Ticket #9909: report-e9209f.html

File report-e9209f.html, 1.2 MB (added by mt, 11 years ago)

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56<body>
57<!-- BUGDESC Potential leak of memory pointed to by 'layerFSName' -->
58
59<!-- BUGTYPE Memory leak -->
60
61<!-- BUGCATEGORY Memory Error -->
62
63<!-- BUGFILE /home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp -->
64
65<!-- BUGLINE 7321 -->
66
67<!-- BUGPATHLENGTH 31 -->
68
69<!-- BUGMETAEND -->
70<!-- REPORTHEADER -->
71<h3>Bug Summary</h3>
72<table class="simpletable">
73<tr><td class="rowname">File:</td><td>src/system/kernel/fs/vfs.cpp</td></tr>
74<tr><td class="rowname">Location:</td><td><a href="#EndPath">line 7321, column 7</a></td></tr>
75<tr><td class="rowname">Description:</td><td>Potential leak of memory pointed to by 'layerFSName'</td></tr>
76</table>
77<!-- REPORTSUMMARYEXTRA -->
78<h3>Annotated Source Code</h3>
79<table class="code">
80<tr><td class="num" id="LN1">1</td><td class="line"><span class='comment'>/*</span></td></tr>
81<tr><td class="num" id="LN2">2</td><td class="line"> <span class='comment'>* Copyright 2005-2011, Ingo Weinhold, ingo_weinhold@gmx.de.</span></td></tr>
82<tr><td class="num" id="LN3">3</td><td class="line"> <span class='comment'>* Copyright 2002-2011, Axel Dörfler, axeld@pinc-software.de.</span></td></tr>
83<tr><td class="num" id="LN4">4</td><td class="line"> <span class='comment'>* Distributed under the terms of the MIT License.</span></td></tr>
84<tr><td class="num" id="LN5">5</td><td class="line"> <span class='comment'>*</span></td></tr>
85<tr><td class="num" id="LN6">6</td><td class="line"> <span class='comment'>* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.</span></td></tr>
86<tr><td class="num" id="LN7">7</td><td class="line"> <span class='comment'>* Distributed under the terms of the NewOS License.</span></td></tr>
87<tr><td class="num" id="LN8">8</td><td class="line"> <span class='comment'>*/</span></td></tr>
88<tr><td class="num" id="LN9">9</td><td class="line"> </td></tr>
89<tr><td class="num" id="LN10">10</td><td class="line"> </td></tr>
90<tr><td class="num" id="LN11">11</td><td class="line"><span class='comment'>/*! Virtual File System and File System Interface Layer */</span></td></tr>
91<tr><td class="num" id="LN12">12</td><td class="line"> </td></tr>
92<tr><td class="num" id="LN13">13</td><td class="line"> </td></tr>
93<tr><td class="num" id="LN14">14</td><td class="line"><span class='directive'>#include &lt;ctype.h&gt;</span></td></tr>
94<tr><td class="num" id="LN15">15</td><td class="line"><span class='directive'>#include &lt;fcntl.h&gt;</span></td></tr>
95<tr><td class="num" id="LN16">16</td><td class="line"><span class='directive'>#include &lt;limits.h&gt;</span></td></tr>
96<tr><td class="num" id="LN17">17</td><td class="line"><span class='directive'>#include &lt;stddef.h&gt;</span></td></tr>
97<tr><td class="num" id="LN18">18</td><td class="line"><span class='directive'>#include &lt;stdio.h&gt;</span></td></tr>
98<tr><td class="num" id="LN19">19</td><td class="line"><span class='directive'>#include &lt;string.h&gt;</span></td></tr>
99<tr><td class="num" id="LN20">20</td><td class="line"><span class='directive'>#include &lt;sys/file.h&gt;</span></td></tr>
100<tr><td class="num" id="LN21">21</td><td class="line"><span class='directive'>#include &lt;sys/resource.h&gt;</span></td></tr>
101<tr><td class="num" id="LN22">22</td><td class="line"><span class='directive'>#include &lt;sys/stat.h&gt;</span></td></tr>
102<tr><td class="num" id="LN23">23</td><td class="line"><span class='directive'>#include &lt;unistd.h&gt;</span></td></tr>
103<tr><td class="num" id="LN24">24</td><td class="line"> </td></tr>
104<tr><td class="num" id="LN25">25</td><td class="line"><span class='directive'>#include &lt;fs_attr.h&gt;</span></td></tr>
105<tr><td class="num" id="LN26">26</td><td class="line"><span class='directive'>#include &lt;fs_info.h&gt;</span></td></tr>
106<tr><td class="num" id="LN27">27</td><td class="line"><span class='directive'>#include &lt;fs_interface.h&gt;</span></td></tr>
107<tr><td class="num" id="LN28">28</td><td class="line"><span class='directive'>#include &lt;fs_volume.h&gt;</span></td></tr>
108<tr><td class="num" id="LN29">29</td><td class="line"><span class='directive'>#include &lt;OS.h&gt;</span></td></tr>
109<tr><td class="num" id="LN30">30</td><td class="line"><span class='directive'>#include &lt;StorageDefs.h&gt;</span></td></tr>
110<tr><td class="num" id="LN31">31</td><td class="line"> </td></tr>
111<tr><td class="num" id="LN32">32</td><td class="line"><span class='directive'>#include &lt;AutoDeleter.h&gt;</span></td></tr>
112<tr><td class="num" id="LN33">33</td><td class="line"><span class='directive'>#include &lt;block_cache.h&gt;</span></td></tr>
113<tr><td class="num" id="LN34">34</td><td class="line"><span class='directive'>#include &lt;boot/kernel_args.h&gt;</span></td></tr>
114<tr><td class="num" id="LN35">35</td><td class="line"><span class='directive'>#include &lt;debug_heap.h&gt;</span></td></tr>
115<tr><td class="num" id="LN36">36</td><td class="line"><span class='directive'>#include &lt;disk_device_manager/KDiskDevice.h&gt;</span></td></tr>
116<tr><td class="num" id="LN37">37</td><td class="line"><span class='directive'>#include &lt;disk_device_manager/KDiskDeviceManager.h&gt;</span></td></tr>
117<tr><td class="num" id="LN38">38</td><td class="line"><span class='directive'>#include &lt;disk_device_manager/KDiskDeviceUtils.h&gt;</span></td></tr>
118<tr><td class="num" id="LN39">39</td><td class="line"><span class='directive'>#include &lt;disk_device_manager/KDiskSystem.h&gt;</span></td></tr>
119<tr><td class="num" id="LN40">40</td><td class="line"><span class='directive'>#include &lt;fd.h&gt;</span></td></tr>
120<tr><td class="num" id="LN41">41</td><td class="line"><span class='directive'>#include &lt;file_cache.h&gt;</span></td></tr>
121<tr><td class="num" id="LN42">42</td><td class="line"><span class='directive'>#include &lt;fs/node_monitor.h&gt;</span></td></tr>
122<tr><td class="num" id="LN43">43</td><td class="line"><span class='directive'>#include &lt;khash.h&gt;</span></td></tr>
123<tr><td class="num" id="LN44">44</td><td class="line"><span class='directive'>#include &lt;KPath.h&gt;</span></td></tr>
124<tr><td class="num" id="LN45">45</td><td class="line"><span class='directive'>#include &lt;lock.h&gt;</span></td></tr>
125<tr><td class="num" id="LN46">46</td><td class="line"><span class='directive'>#include &lt;low_resource_manager.h&gt;</span></td></tr>
126<tr><td class="num" id="LN47">47</td><td class="line"><span class='directive'>#include &lt;syscalls.h&gt;</span></td></tr>
127<tr><td class="num" id="LN48">48</td><td class="line"><span class='directive'>#include &lt;syscall_restart.h&gt;</span></td></tr>
128<tr><td class="num" id="LN49">49</td><td class="line"><span class='directive'>#include &lt;tracing.h&gt;</span></td></tr>
129<tr><td class="num" id="LN50">50</td><td class="line"><span class='directive'>#include &lt;util/atomic.h&gt;</span></td></tr>
130<tr><td class="num" id="LN51">51</td><td class="line"><span class='directive'>#include &lt;util/AutoLock.h&gt;</span></td></tr>
131<tr><td class="num" id="LN52">52</td><td class="line"><span class='directive'>#include &lt;util/DoublyLinkedList.h&gt;</span></td></tr>
132<tr><td class="num" id="LN53">53</td><td class="line"><span class='directive'>#include &lt;vfs.h&gt;</span></td></tr>
133<tr><td class="num" id="LN54">54</td><td class="line"><span class='directive'>#include &lt;vm/vm.h&gt;</span></td></tr>
134<tr><td class="num" id="LN55">55</td><td class="line"><span class='directive'>#include &lt;vm/VMCache.h&gt;</span></td></tr>
135<tr><td class="num" id="LN56">56</td><td class="line"> </td></tr>
136<tr><td class="num" id="LN57">57</td><td class="line"><span class='directive'>#include "EntryCache.h"</span></td></tr>
137<tr><td class="num" id="LN58">58</td><td class="line"><span class='directive'>#include "fifo.h"</span></td></tr>
138<tr><td class="num" id="LN59">59</td><td class="line"><span class='directive'>#include "IORequest.h"</span></td></tr>
139<tr><td class="num" id="LN60">60</td><td class="line"><span class='directive'>#include "unused_vnodes.h"</span></td></tr>
140<tr><td class="num" id="LN61">61</td><td class="line"><span class='directive'>#include "vfs_tracing.h"</span></td></tr>
141<tr><td class="num" id="LN62">62</td><td class="line"><span class='directive'>#include "Vnode.h"</span></td></tr>
142<tr><td class="num" id="LN63">63</td><td class="line"><span class='directive'>#include "../cache/vnode_store.h"</span></td></tr>
143<tr><td class="num" id="LN64">64</td><td class="line"> </td></tr>
144<tr><td class="num" id="LN65">65</td><td class="line"> </td></tr>
145<tr><td class="num" id="LN66">66</td><td class="line"><span class='comment'>//#define TRACE_VFS</span></td></tr>
146<tr><td class="num" id="LN67">67</td><td class="line"><span class='directive'>#ifdef TRACE_VFS</span></td></tr>
147<tr><td class="num" id="LN68">68</td><td class="line"><span class='directive'># define <span class='macro'>TRACE(x)<span class='expansion'>;</span></span> dprintf x</span></td></tr>
148<tr><td class="num" id="LN69">69</td><td class="line"><span class='directive'># define <span class='macro'>FUNCTION(x)<span class='expansion'>;</span></span> dprintf x</span></td></tr>
149<tr><td class="num" id="LN70">70</td><td class="line"><span class='directive'>#else</span></td></tr>
150<tr><td class="num" id="LN71">71</td><td class="line"><span class='directive'># define <span class='macro'>TRACE(x)<span class='expansion'>;</span></span> ;</span></td></tr>
151<tr><td class="num" id="LN72">72</td><td class="line"><span class='directive'># define <span class='macro'>FUNCTION(x)<span class='expansion'>;</span></span> ;</span></td></tr>
152<tr><td class="num" id="LN73">73</td><td class="line"><span class='directive'>#endif</span></td></tr>
153<tr><td class="num" id="LN74">74</td><td class="line"> </td></tr>
154<tr><td class="num" id="LN75">75</td><td class="line"><span class='directive'>#define ADD_DEBUGGER_COMMANDS</span></td></tr>
155<tr><td class="num" id="LN76">76</td><td class="line"> </td></tr>
156<tr><td class="num" id="LN77">77</td><td class="line"> </td></tr>
157<tr><td class="num" id="LN78">78</td><td class="line"><span class='directive'>#define <span class='macro'>HAS_FS_CALL(vnode, op)<span class='expansion'>(vnode-&gt;ops-&gt;op != __null)</span></span> (vnode-&gt;ops-&gt;op != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</span></td></tr>
158<tr><td class="num" id="LN79">79</td><td class="line"><span class='directive'>#define <span class='macro'>HAS_FS_MOUNT_CALL(mount, op)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;op != __null)</span></span> (mount-&gt;volume-&gt;ops-&gt;op != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</span></td></tr>
159<tr><td class="num" id="LN80">80</td><td class="line"> </td></tr>
160<tr><td class="num" id="LN81">81</td><td class="line"><span class='directive'>#if <span class='macro'>KDEBUG<span class='expansion'>(2 &gt;= 2)</span></span></span></td></tr>
161<tr><td class="num" id="LN82">82</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL(vnode, op, params...)<span class='expansion'>( (vnode-&gt;ops-&gt;op != __null) ? vnode-&gt;ops-&gt;op(vnode<br>-&gt;mount-&gt;volume, vnode, params...) : (panic("FS_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
162<tr><td class="num" id="LN83">83</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_CALL(vnode, op)<span class='expansion'>(vnode-&gt;ops-&gt;op != __null)</span></span> ? \</span></td></tr>
163<tr><td class="num" id="LN84">84</td><td class="line"> <span class='directive'>vnode-&gt;ops-&gt;op(vnode-&gt;mount-&gt;volume, vnode, params) \</span></td></tr>
164<tr><td class="num" id="LN85">85</td><td class="line"> <span class='directive'>: (panic("FS_CALL op " #op " is NULL"), 0))</span></td></tr>
165<tr><td class="num" id="LN86">86</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL_NO_PARAMS(vnode, op)<span class='expansion'>( (vnode-&gt;ops-&gt;op != __null) ? vnode-&gt;ops-&gt;op(vnode<br>-&gt;mount-&gt;volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
166<tr><td class="num" id="LN87">87</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_CALL(vnode, op)<span class='expansion'>(vnode-&gt;ops-&gt;op != __null)</span></span> ? \</span></td></tr>
167<tr><td class="num" id="LN88">88</td><td class="line"> <span class='directive'>vnode-&gt;ops-&gt;op(vnode-&gt;mount-&gt;volume, vnode) \</span></td></tr>
168<tr><td class="num" id="LN89">89</td><td class="line"> <span class='directive'>: (panic("FS_CALL_NO_PARAMS op " #op " is NULL"), 0))</span></td></tr>
169<tr><td class="num" id="LN90">90</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL(mount, op, params...)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;op != __null) ? mount-&gt;volume<br>-&gt;ops-&gt;op(mount-&gt;volume, params...) : (panic("FS_MOUNT_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
170<tr><td class="num" id="LN91">91</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_MOUNT_CALL(mount, op)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;op != __null)</span></span> ? \</span></td></tr>
171<tr><td class="num" id="LN92">92</td><td class="line"> <span class='directive'>mount-&gt;volume-&gt;ops-&gt;op(mount-&gt;volume, params) \</span></td></tr>
172<tr><td class="num" id="LN93">93</td><td class="line"> <span class='directive'>: (panic("FS_MOUNT_CALL op " #op " is NULL"), 0))</span></td></tr>
173<tr><td class="num" id="LN94">94</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, op)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;op != __null) ? mount-&gt;volume<br>-&gt;ops-&gt;op(mount-&gt;volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
174<tr><td class="num" id="LN95">95</td><td class="line"> <span class='directive'>( <span class='macro'>HAS_FS_MOUNT_CALL(mount, op)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;op != __null)</span></span> ? \</span></td></tr>
175<tr><td class="num" id="LN96">96</td><td class="line"> <span class='directive'>mount-&gt;volume-&gt;ops-&gt;op(mount-&gt;volume) \</span></td></tr>
176<tr><td class="num" id="LN97">97</td><td class="line"> <span class='directive'>: (panic("FS_MOUNT_CALL_NO_PARAMS op " #op " is NULL"), 0))</span></td></tr>
177<tr><td class="num" id="LN98">98</td><td class="line"><span class='directive'>#else</span></td></tr>
178<tr><td class="num" id="LN99">99</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL(vnode, op, params...)<span class='expansion'>( (vnode-&gt;ops-&gt;op != __null) ? vnode-&gt;ops-&gt;op(vnode<br>-&gt;mount-&gt;volume, vnode, params...) : (panic("FS_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
179<tr><td class="num" id="LN100">100</td><td class="line"> <span class='directive'>vnode-&gt;ops-&gt;op(vnode-&gt;mount-&gt;volume, vnode, params)</span></td></tr>
180<tr><td class="num" id="LN101">101</td><td class="line"><span class='directive'># define <span class='macro'>FS_CALL_NO_PARAMS(vnode, op)<span class='expansion'>( (vnode-&gt;ops-&gt;op != __null) ? vnode-&gt;ops-&gt;op(vnode<br>-&gt;mount-&gt;volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
181<tr><td class="num" id="LN102">102</td><td class="line"> <span class='directive'>vnode-&gt;ops-&gt;op(vnode-&gt;mount-&gt;volume, vnode)</span></td></tr>
182<tr><td class="num" id="LN103">103</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL(mount, op, params...)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;op != __null) ? mount-&gt;volume<br>-&gt;ops-&gt;op(mount-&gt;volume, params...) : (panic("FS_MOUNT_CALL op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
183<tr><td class="num" id="LN104">104</td><td class="line"> <span class='directive'>mount-&gt;volume-&gt;ops-&gt;op(mount-&gt;volume, params)</span></td></tr>
184<tr><td class="num" id="LN105">105</td><td class="line"><span class='directive'># define <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, op)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;op != __null) ? mount-&gt;volume<br>-&gt;ops-&gt;op(mount-&gt;volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "op" " is NULL"), 0))</span></span> \</span></td></tr>
185<tr><td class="num" id="LN106">106</td><td class="line"> <span class='directive'>mount-&gt;volume-&gt;ops-&gt;op(mount-&gt;volume)</span></td></tr>
186<tr><td class="num" id="LN107">107</td><td class="line"><span class='directive'>#endif</span></td></tr>
187<tr><td class="num" id="LN108">108</td><td class="line"> </td></tr>
188<tr><td class="num" id="LN109">109</td><td class="line"> </td></tr>
189<tr><td class="num" id="LN110">110</td><td class="line"><span class='keyword'>const</span> <span class='keyword'>static</span> size_t kMaxPathLength = 65536;</td></tr>
190<tr><td class="num" id="LN111">111</td><td class="line"> <span class='comment'>// The absolute maximum path length (for getcwd() - this is not depending</span></td></tr>
191<tr><td class="num" id="LN112">112</td><td class="line"> <span class='comment'>// on PATH_MAX</span></td></tr>
192<tr><td class="num" id="LN113">113</td><td class="line"> </td></tr>
193<tr><td class="num" id="LN114">114</td><td class="line"> </td></tr>
194<tr><td class="num" id="LN115">115</td><td class="line"><span class='keyword'>struct</span> vnode_hash_key {</td></tr>
195<tr><td class="num" id="LN116">116</td><td class="line"> dev_t device;</td></tr>
196<tr><td class="num" id="LN117">117</td><td class="line"> ino_t vnode;</td></tr>
197<tr><td class="num" id="LN118">118</td><td class="line">};</td></tr>
198<tr><td class="num" id="LN119">119</td><td class="line"> </td></tr>
199<tr><td class="num" id="LN120">120</td><td class="line"><span class='keyword'>typedef</span> DoublyLinkedList&lt;vnode&gt; VnodeList;</td></tr>
200<tr><td class="num" id="LN121">121</td><td class="line"> </td></tr>
201<tr><td class="num" id="LN122">122</td><td class="line"><span class='comment'>/*! \brief Structure to manage a mounted file system</span></td></tr>
202<tr><td class="num" id="LN123">123</td><td class="line"> </td></tr>
203<tr><td class="num" id="LN124">124</td><td class="line"> <span class='comment'>Note: The root_vnode and root_vnode-&gt;covers fields (what others?) are</span></td></tr>
204<tr><td class="num" id="LN125">125</td><td class="line"> <span class='comment'>initialized in fs_mount() and not changed afterwards. That is as soon</span></td></tr>
205<tr><td class="num" id="LN126">126</td><td class="line"> <span class='comment'>as the mount is mounted and it is made sure it won't be unmounted</span></td></tr>
206<tr><td class="num" id="LN127">127</td><td class="line"> <span class='comment'>(e.g. by holding a reference to a vnode of that mount) (read) access</span></td></tr>
207<tr><td class="num" id="LN128">128</td><td class="line"> <span class='comment'>to those fields is always safe, even without additional locking. Morever</span></td></tr>
208<tr><td class="num" id="LN129">129</td><td class="line"> <span class='comment'>while mounted the mount holds a reference to the root_vnode-&gt;covers vnode,</span></td></tr>
209<tr><td class="num" id="LN130">130</td><td class="line"> <span class='comment'>and thus making the access path vnode-&gt;mount-&gt;root_vnode-&gt;covers-&gt;mount-&gt;...</span></td></tr>
210<tr><td class="num" id="LN131">131</td><td class="line"> <span class='comment'>safe if a reference to vnode is held (note that for the root mount</span></td></tr>
211<tr><td class="num" id="LN132">132</td><td class="line"> <span class='comment'>root_vnode-&gt;covers is NULL, though).</span></td></tr>
212<tr><td class="num" id="LN133">133</td><td class="line"><span class='comment'>*/</span></td></tr>
213<tr><td class="num" id="LN134">134</td><td class="line"><span class='keyword'>struct</span> fs_mount {</td></tr>
214<tr><td class="num" id="LN135">135</td><td class="line"> fs_mount()</td></tr>
215<tr><td class="num" id="LN136">136</td><td class="line"> :</td></tr>
216<tr><td class="num" id="LN137">137</td><td class="line"> volume(<span class='macro'>NULL<span class='expansion'>__null</span></span>),</td></tr>
217<tr><td class="num" id="LN138">138</td><td class="line"> device_name(<span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
218<tr><td class="num" id="LN139">139</td><td class="line"> {</td></tr>
219<tr><td class="num" id="LN140">140</td><td class="line"> recursive_lock_init(&amp;rlock, <span class='string_literal'>"mount rlock"</span>);</td></tr>
220<tr><td class="num" id="LN141">141</td><td class="line"> }</td></tr>
221<tr><td class="num" id="LN142">142</td><td class="line"> </td></tr>
222<tr><td class="num" id="LN143">143</td><td class="line"> ~fs_mount()</td></tr>
223<tr><td class="num" id="LN144">144</td><td class="line"> {</td></tr>
224<tr><td class="num" id="LN145">145</td><td class="line"> recursive_lock_destroy(&amp;rlock);</td></tr>
225<tr><td class="num" id="LN146">146</td><td class="line"> free(device_name);</td></tr>
226<tr><td class="num" id="LN147">147</td><td class="line"> </td></tr>
227<tr><td class="num" id="LN148">148</td><td class="line"> <span class='keyword'>while</span> (volume) {</td></tr>
228<tr><td class="num" id="LN149">149</td><td class="line"> fs_volume* superVolume = volume-&gt;super_volume;</td></tr>
229<tr><td class="num" id="LN150">150</td><td class="line"> </td></tr>
230<tr><td class="num" id="LN151">151</td><td class="line"> <span class='keyword'>if</span> (volume-&gt;file_system != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
231<tr><td class="num" id="LN152">152</td><td class="line"> put_module(volume-&gt;file_system-&gt;info.name);</td></tr>
232<tr><td class="num" id="LN153">153</td><td class="line"> </td></tr>
233<tr><td class="num" id="LN154">154</td><td class="line"> free(volume-&gt;file_system_name);</td></tr>
234<tr><td class="num" id="LN155">155</td><td class="line"> free(volume);</td></tr>
235<tr><td class="num" id="LN156">156</td><td class="line"> volume = superVolume;</td></tr>
236<tr><td class="num" id="LN157">157</td><td class="line"> }</td></tr>
237<tr><td class="num" id="LN158">158</td><td class="line"> }</td></tr>
238<tr><td class="num" id="LN159">159</td><td class="line"> </td></tr>
239<tr><td class="num" id="LN160">160</td><td class="line"> <span class='keyword'>struct</span> fs_mount* next;</td></tr>
240<tr><td class="num" id="LN161">161</td><td class="line"> dev_t id;</td></tr>
241<tr><td class="num" id="LN162">162</td><td class="line"> fs_volume* volume;</td></tr>
242<tr><td class="num" id="LN163">163</td><td class="line"> <span class='keyword'>char</span>* device_name;</td></tr>
243<tr><td class="num" id="LN164">164</td><td class="line"> recursive_lock rlock; <span class='comment'>// guards the vnodes list</span></td></tr>
244<tr><td class="num" id="LN165">165</td><td class="line"> <span class='comment'>// TODO: Make this a mutex! It is never used recursively.</span></td></tr>
245<tr><td class="num" id="LN166">166</td><td class="line"> <span class='keyword'>struct</span> vnode* root_vnode;</td></tr>
246<tr><td class="num" id="LN167">167</td><td class="line"> <span class='keyword'>struct</span> vnode* covers_vnode; <span class='comment'>// immutable</span></td></tr>
247<tr><td class="num" id="LN168">168</td><td class="line"> KPartition* partition;</td></tr>
248<tr><td class="num" id="LN169">169</td><td class="line"> VnodeList vnodes;</td></tr>
249<tr><td class="num" id="LN170">170</td><td class="line"> EntryCache entry_cache;</td></tr>
250<tr><td class="num" id="LN171">171</td><td class="line"> <span class='keyword'>bool</span> unmounting;</td></tr>
251<tr><td class="num" id="LN172">172</td><td class="line"> <span class='keyword'>bool</span> owns_file_device;</td></tr>
252<tr><td class="num" id="LN173">173</td><td class="line">};</td></tr>
253<tr><td class="num" id="LN174">174</td><td class="line"> </td></tr>
254<tr><td class="num" id="LN175">175</td><td class="line"><span class='keyword'>struct</span> advisory_lock : <span class='keyword'>public</span> DoublyLinkedListLinkImpl&lt;advisory_lock&gt; {</td></tr>
255<tr><td class="num" id="LN176">176</td><td class="line"> list_link link;</td></tr>
256<tr><td class="num" id="LN177">177</td><td class="line"> team_id team;</td></tr>
257<tr><td class="num" id="LN178">178</td><td class="line"> pid_t session;</td></tr>
258<tr><td class="num" id="LN179">179</td><td class="line"> off_t start;</td></tr>
259<tr><td class="num" id="LN180">180</td><td class="line"> off_t end;</td></tr>
260<tr><td class="num" id="LN181">181</td><td class="line"> <span class='keyword'>bool</span> shared;</td></tr>
261<tr><td class="num" id="LN182">182</td><td class="line">};</td></tr>
262<tr><td class="num" id="LN183">183</td><td class="line"> </td></tr>
263<tr><td class="num" id="LN184">184</td><td class="line"><span class='keyword'>typedef</span> DoublyLinkedList&lt;advisory_lock&gt; LockList;</td></tr>
264<tr><td class="num" id="LN185">185</td><td class="line"> </td></tr>
265<tr><td class="num" id="LN186">186</td><td class="line"><span class='keyword'>struct</span> advisory_locking {</td></tr>
266<tr><td class="num" id="LN187">187</td><td class="line"> sem_id lock;</td></tr>
267<tr><td class="num" id="LN188">188</td><td class="line"> sem_id wait_sem;</td></tr>
268<tr><td class="num" id="LN189">189</td><td class="line"> LockList locks;</td></tr>
269<tr><td class="num" id="LN190">190</td><td class="line"> </td></tr>
270<tr><td class="num" id="LN191">191</td><td class="line"> advisory_locking()</td></tr>
271<tr><td class="num" id="LN192">192</td><td class="line"> :</td></tr>
272<tr><td class="num" id="LN193">193</td><td class="line"> lock(-1),</td></tr>
273<tr><td class="num" id="LN194">194</td><td class="line"> wait_sem(-1)</td></tr>
274<tr><td class="num" id="LN195">195</td><td class="line"> {</td></tr>
275<tr><td class="num" id="LN196">196</td><td class="line"> }</td></tr>
276<tr><td class="num" id="LN197">197</td><td class="line"> </td></tr>
277<tr><td class="num" id="LN198">198</td><td class="line"> ~advisory_locking()</td></tr>
278<tr><td class="num" id="LN199">199</td><td class="line"> {</td></tr>
279<tr><td class="num" id="LN200">200</td><td class="line"> <span class='keyword'>if</span> (lock &gt;= 0)</td></tr>
280<tr><td class="num" id="LN201">201</td><td class="line"> delete_sem(lock);</td></tr>
281<tr><td class="num" id="LN202">202</td><td class="line"> <span class='keyword'>if</span> (wait_sem &gt;= 0)</td></tr>
282<tr><td class="num" id="LN203">203</td><td class="line"> delete_sem(wait_sem);</td></tr>
283<tr><td class="num" id="LN204">204</td><td class="line"> }</td></tr>
284<tr><td class="num" id="LN205">205</td><td class="line">};</td></tr>
285<tr><td class="num" id="LN206">206</td><td class="line"> </td></tr>
286<tr><td class="num" id="LN207">207</td><td class="line"><span class='comment'>/*! \brief Guards sMountsTable.</span></td></tr>
287<tr><td class="num" id="LN208">208</td><td class="line"> </td></tr>
288<tr><td class="num" id="LN209">209</td><td class="line"> <span class='comment'>The holder is allowed to read/write access the sMountsTable.</span></td></tr>
289<tr><td class="num" id="LN210">210</td><td class="line"> <span class='comment'>Manipulation of the fs_mount structures themselves</span></td></tr>
290<tr><td class="num" id="LN211">211</td><td class="line"> <span class='comment'>(and their destruction) requires different locks though.</span></td></tr>
291<tr><td class="num" id="LN212">212</td><td class="line"><span class='comment'>*/</span></td></tr>
292<tr><td class="num" id="LN213">213</td><td class="line"><span class='keyword'>static</span> mutex sMountMutex = <span class='macro'>MUTEX_INITIALIZER(<span class='string_literal'>"vfs_mount_lock"</span>)<span class='expansion'>{ "vfs_mount_lock", __null, -1, 0 }</span></span>;</td></tr>
293<tr><td class="num" id="LN214">214</td><td class="line"> </td></tr>
294<tr><td class="num" id="LN215">215</td><td class="line"><span class='comment'>/*! \brief Guards mount/unmount operations.</span></td></tr>
295<tr><td class="num" id="LN216">216</td><td class="line"> </td></tr>
296<tr><td class="num" id="LN217">217</td><td class="line"> <span class='comment'>The fs_mount() and fs_unmount() hold the lock during their whole operation.</span></td></tr>
297<tr><td class="num" id="LN218">218</td><td class="line"> <span class='comment'>That is locking the lock ensures that no FS is mounted/unmounted. In</span></td></tr>
298<tr><td class="num" id="LN219">219</td><td class="line"> <span class='comment'>particular this means that</span></td></tr>
299<tr><td class="num" id="LN220">220</td><td class="line"> <span class='comment'>- sMountsTable will not be modified,</span></td></tr>
300<tr><td class="num" id="LN221">221</td><td class="line"> <span class='comment'>- the fields immutable after initialization of the fs_mount structures in</span></td></tr>
301<tr><td class="num" id="LN222">222</td><td class="line"> <span class='comment'>sMountsTable will not be modified,</span></td></tr>
302<tr><td class="num" id="LN223">223</td><td class="line"> </td></tr>
303<tr><td class="num" id="LN224">224</td><td class="line"> <span class='comment'>The thread trying to lock the lock must not hold sVnodeLock or</span></td></tr>
304<tr><td class="num" id="LN225">225</td><td class="line"> <span class='comment'>sMountMutex.</span></td></tr>
305<tr><td class="num" id="LN226">226</td><td class="line"><span class='comment'>*/</span></td></tr>
306<tr><td class="num" id="LN227">227</td><td class="line"><span class='keyword'>static</span> recursive_lock sMountOpLock;</td></tr>
307<tr><td class="num" id="LN228">228</td><td class="line"> </td></tr>
308<tr><td class="num" id="LN229">229</td><td class="line"><span class='comment'>/*! \brief Guards sVnodeTable.</span></td></tr>
309<tr><td class="num" id="LN230">230</td><td class="line"> </td></tr>
310<tr><td class="num" id="LN231">231</td><td class="line"> <span class='comment'>The holder is allowed read/write access to sVnodeTable and to</span></td></tr>
311<tr><td class="num" id="LN232">232</td><td class="line"> <span class='comment'>any unbusy vnode in that table, save to the immutable fields (device, id,</span></td></tr>
312<tr><td class="num" id="LN233">233</td><td class="line"> <span class='comment'>private_node, mount) to which only read-only access is allowed.</span></td></tr>
313<tr><td class="num" id="LN234">234</td><td class="line"> <span class='comment'>The mutable fields advisory_locking, mandatory_locked_by, and ref_count, as</span></td></tr>
314<tr><td class="num" id="LN235">235</td><td class="line"> <span class='comment'>well as the busy, removed, unused flags, and the vnode's type can also be</span></td></tr>
315<tr><td class="num" id="LN236">236</td><td class="line"> <span class='comment'>write accessed when holding a read lock to sVnodeLock *and* having the vnode</span></td></tr>
316<tr><td class="num" id="LN237">237</td><td class="line"> <span class='comment'>locked. Write access to covered_by and covers requires to write lock</span></td></tr>
317<tr><td class="num" id="LN238">238</td><td class="line"> <span class='comment'>sVnodeLock.</span></td></tr>
318<tr><td class="num" id="LN239">239</td><td class="line"> </td></tr>
319<tr><td class="num" id="LN240">240</td><td class="line"> <span class='comment'>The thread trying to acquire the lock must not hold sMountMutex.</span></td></tr>
320<tr><td class="num" id="LN241">241</td><td class="line"> <span class='comment'>You must not hold this lock when calling create_sem(), as this might call</span></td></tr>
321<tr><td class="num" id="LN242">242</td><td class="line"> <span class='comment'>vfs_free_unused_vnodes() and thus cause a deadlock.</span></td></tr>
322<tr><td class="num" id="LN243">243</td><td class="line"><span class='comment'>*/</span></td></tr>
323<tr><td class="num" id="LN244">244</td><td class="line"><span class='keyword'>static</span> rw_lock sVnodeLock = <span class='macro'>RW_LOCK_INITIALIZER(<span class='string_literal'>"vfs_vnode_lock"</span>)<span class='expansion'>{ "vfs_vnode_lock", __null, -1, 0, 0, 0 }</span></span>;</td></tr>
324<tr><td class="num" id="LN245">245</td><td class="line"> </td></tr>
325<tr><td class="num" id="LN246">246</td><td class="line"><span class='comment'>/*! \brief Guards io_context::root.</span></td></tr>
326<tr><td class="num" id="LN247">247</td><td class="line"> </td></tr>
327<tr><td class="num" id="LN248">248</td><td class="line"> <span class='comment'>Must be held when setting or getting the io_context::root field.</span></td></tr>
328<tr><td class="num" id="LN249">249</td><td class="line"> <span class='comment'>The only operation allowed while holding this lock besides getting or</span></td></tr>
329<tr><td class="num" id="LN250">250</td><td class="line"> <span class='comment'>setting the field is inc_vnode_ref_count() on io_context::root.</span></td></tr>
330<tr><td class="num" id="LN251">251</td><td class="line"><span class='comment'>*/</span></td></tr>
331<tr><td class="num" id="LN252">252</td><td class="line"><span class='keyword'>static</span> mutex sIOContextRootLock = <span class='macro'>MUTEX_INITIALIZER(<span class='string_literal'>"io_context::root lock"</span>)<span class='expansion'>{ "io_context::root lock", __null, -1, 0 }</span></span>;</td></tr>
332<tr><td class="num" id="LN253">253</td><td class="line"> </td></tr>
333<tr><td class="num" id="LN254">254</td><td class="line"> </td></tr>
334<tr><td class="num" id="LN255">255</td><td class="line"><span class='directive'>#define <span class='macro'>VNODE_HASH_TABLE_SIZE<span class='expansion'>1024</span></span> 1024</span></td></tr>
335<tr><td class="num" id="LN256">256</td><td class="line"><span class='keyword'>static</span> hash_table* sVnodeTable;</td></tr>
336<tr><td class="num" id="LN257">257</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> vnode* sRoot;</td></tr>
337<tr><td class="num" id="LN258">258</td><td class="line"> </td></tr>
338<tr><td class="num" id="LN259">259</td><td class="line"><span class='directive'>#define <span class='macro'>MOUNTS_HASH_TABLE_SIZE<span class='expansion'>16</span></span> 16</span></td></tr>
339<tr><td class="num" id="LN260">260</td><td class="line"><span class='keyword'>static</span> hash_table* sMountsTable;</td></tr>
340<tr><td class="num" id="LN261">261</td><td class="line"><span class='keyword'>static</span> dev_t sNextMountID = 1;</td></tr>
341<tr><td class="num" id="LN262">262</td><td class="line"> </td></tr>
342<tr><td class="num" id="LN263">263</td><td class="line"><span class='directive'>#define <span class='macro'>MAX_TEMP_IO_VECS<span class='expansion'>8</span></span> 8</span></td></tr>
343<tr><td class="num" id="LN264">264</td><td class="line"> </td></tr>
344<tr><td class="num" id="LN265">265</td><td class="line">mode_t __gUmask = 022;</td></tr>
345<tr><td class="num" id="LN266">266</td><td class="line"> </td></tr>
346<tr><td class="num" id="LN267">267</td><td class="line"><span class='comment'>/* function declarations */</span></td></tr>
347<tr><td class="num" id="LN268">268</td><td class="line"> </td></tr>
348<tr><td class="num" id="LN269">269</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> free_unused_vnodes();</td></tr>
349<tr><td class="num" id="LN270">270</td><td class="line"> </td></tr>
350<tr><td class="num" id="LN271">271</td><td class="line"><span class='comment'>// file descriptor operation prototypes</span></td></tr>
351<tr><td class="num" id="LN272">272</td><td class="line"><span class='keyword'>static</span> status_t file_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
352<tr><td class="num" id="LN273">273</td><td class="line"> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
353<tr><td class="num" id="LN274">274</td><td class="line"><span class='keyword'>static</span> status_t file_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
354<tr><td class="num" id="LN275">275</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
355<tr><td class="num" id="LN276">276</td><td class="line"><span class='keyword'>static</span> off_t file_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
356<tr><td class="num" id="LN277">277</td><td class="line"> <span class='keyword'>int</span> seekType);</td></tr>
357<tr><td class="num" id="LN278">278</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> file_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
358<tr><td class="num" id="LN279">279</td><td class="line"><span class='keyword'>static</span> status_t file_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
359<tr><td class="num" id="LN280">280</td><td class="line"><span class='keyword'>static</span> status_t file_select(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
360<tr><td class="num" id="LN281">281</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync);</td></tr>
361<tr><td class="num" id="LN282">282</td><td class="line"><span class='keyword'>static</span> status_t file_deselect(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
362<tr><td class="num" id="LN283">283</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync);</td></tr>
363<tr><td class="num" id="LN284">284</td><td class="line"><span class='keyword'>static</span> status_t dir_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
364<tr><td class="num" id="LN285">285</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
365<tr><td class="num" id="LN286">286</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
366<tr><td class="num" id="LN287">287</td><td class="line"><span class='keyword'>static</span> status_t dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> vnode* vnode,</td></tr>
367<tr><td class="num" id="LN288">288</td><td class="line"> <span class='keyword'>void</span>* cookie, <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count);</td></tr>
368<tr><td class="num" id="LN289">289</td><td class="line"><span class='keyword'>static</span> status_t dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
369<tr><td class="num" id="LN290">290</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
370<tr><td class="num" id="LN291">291</td><td class="line"><span class='keyword'>static</span> status_t dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
371<tr><td class="num" id="LN292">292</td><td class="line"><span class='keyword'>static</span> status_t attr_dir_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
372<tr><td class="num" id="LN293">293</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
373<tr><td class="num" id="LN294">294</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
374<tr><td class="num" id="LN295">295</td><td class="line"><span class='keyword'>static</span> status_t attr_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
375<tr><td class="num" id="LN296">296</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> attr_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
376<tr><td class="num" id="LN297">297</td><td class="line"><span class='keyword'>static</span> status_t attr_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
377<tr><td class="num" id="LN298">298</td><td class="line"><span class='keyword'>static</span> status_t attr_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
378<tr><td class="num" id="LN299">299</td><td class="line"> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
379<tr><td class="num" id="LN300">300</td><td class="line"><span class='keyword'>static</span> status_t attr_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
380<tr><td class="num" id="LN301">301</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer, size_t* _bytes);</td></tr>
381<tr><td class="num" id="LN302">302</td><td class="line"><span class='keyword'>static</span> off_t attr_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos,</td></tr>
382<tr><td class="num" id="LN303">303</td><td class="line"> <span class='keyword'>int</span> seekType);</td></tr>
383<tr><td class="num" id="LN304">304</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> attr_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
384<tr><td class="num" id="LN305">305</td><td class="line"><span class='keyword'>static</span> status_t attr_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
385<tr><td class="num" id="LN306">306</td><td class="line"><span class='keyword'>static</span> status_t attr_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
386<tr><td class="num" id="LN307">307</td><td class="line"> <span class='keyword'>struct</span> stat* statData);</td></tr>
387<tr><td class="num" id="LN308">308</td><td class="line"><span class='keyword'>static</span> status_t attr_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
388<tr><td class="num" id="LN309">309</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>int</span> statMask);</td></tr>
389<tr><td class="num" id="LN310">310</td><td class="line"><span class='keyword'>static</span> status_t index_dir_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
390<tr><td class="num" id="LN311">311</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
391<tr><td class="num" id="LN312">312</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
392<tr><td class="num" id="LN313">313</td><td class="line"><span class='keyword'>static</span> status_t index_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
393<tr><td class="num" id="LN314">314</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> index_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
394<tr><td class="num" id="LN315">315</td><td class="line"><span class='keyword'>static</span> status_t index_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
395<tr><td class="num" id="LN316">316</td><td class="line"><span class='keyword'>static</span> status_t query_read(<span class='keyword'>struct</span> io_context* context,</td></tr>
396<tr><td class="num" id="LN317">317</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
397<tr><td class="num" id="LN318">318</td><td class="line"> size_t bufferSize, uint32* _count);</td></tr>
398<tr><td class="num" id="LN319">319</td><td class="line"><span class='keyword'>static</span> status_t query_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
399<tr><td class="num" id="LN320">320</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> query_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
400<tr><td class="num" id="LN321">321</td><td class="line"><span class='keyword'>static</span> status_t query_close(<span class='keyword'>struct</span> file_descriptor* descriptor);</td></tr>
401<tr><td class="num" id="LN322">322</td><td class="line"> </td></tr>
402<tr><td class="num" id="LN323">323</td><td class="line"><span class='keyword'>static</span> status_t common_ioctl(<span class='keyword'>struct</span> file_descriptor* descriptor, ulong op,</td></tr>
403<tr><td class="num" id="LN324">324</td><td class="line"> <span class='keyword'>void</span>* buffer, size_t length);</td></tr>
404<tr><td class="num" id="LN325">325</td><td class="line"><span class='keyword'>static</span> status_t common_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
405<tr><td class="num" id="LN326">326</td><td class="line"> <span class='keyword'>struct</span> stat* statData);</td></tr>
406<tr><td class="num" id="LN327">327</td><td class="line"><span class='keyword'>static</span> status_t common_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
407<tr><td class="num" id="LN328">328</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* statData, <span class='keyword'>int</span> statMask);</td></tr>
408<tr><td class="num" id="LN329">329</td><td class="line"><span class='keyword'>static</span> status_t common_path_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
409<tr><td class="num" id="LN330">330</td><td class="line"> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>bool</span> kernel);</td></tr>
410<tr><td class="num" id="LN331">331</td><td class="line"> </td></tr>
411<tr><td class="num" id="LN332">332</td><td class="line"><span class='keyword'>static</span> status_t vnode_path_to_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path,</td></tr>
412<tr><td class="num" id="LN333">333</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>int</span> count, <span class='keyword'>bool</span> kernel,</td></tr>
413<tr><td class="num" id="LN334">334</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID);</td></tr>
414<tr><td class="num" id="LN335">335</td><td class="line"><span class='keyword'>static</span> status_t dir_vnode_to_path(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* buffer,</td></tr>
415<tr><td class="num" id="LN336">336</td><td class="line"> size_t bufferSize, <span class='keyword'>bool</span> kernel);</td></tr>
416<tr><td class="num" id="LN337">337</td><td class="line"><span class='keyword'>static</span> status_t fd_and_path_to_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
417<tr><td class="num" id="LN338">338</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID, <span class='keyword'>bool</span> kernel);</td></tr>
418<tr><td class="num" id="LN339">339</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span> inc_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode);</td></tr>
419<tr><td class="num" id="LN340">340</td><td class="line"><span class='keyword'>static</span> status_t dec_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> alwaysFree,</td></tr>
420<tr><td class="num" id="LN341">341</td><td class="line"> <span class='keyword'>bool</span> reenter);</td></tr>
421<tr><td class="num" id="LN342">342</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> <span class='keyword'>void</span> put_vnode(<span class='keyword'>struct</span> vnode* vnode);</td></tr>
422<tr><td class="num" id="LN343">343</td><td class="line"><span class='keyword'>static</span> status_t fs_unmount(<span class='keyword'>char</span>* path, dev_t mountID, uint32 flags,</td></tr>
423<tr><td class="num" id="LN344">344</td><td class="line"> <span class='keyword'>bool</span> kernel);</td></tr>
424<tr><td class="num" id="LN345">345</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span> open_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel);</td></tr>
425<tr><td class="num" id="LN346">346</td><td class="line"> </td></tr>
426<tr><td class="num" id="LN347">347</td><td class="line"> </td></tr>
427<tr><td class="num" id="LN348">348</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sFileOps = {</td></tr>
428<tr><td class="num" id="LN349">349</td><td class="line"> file_read,</td></tr>
429<tr><td class="num" id="LN350">350</td><td class="line"> file_write,</td></tr>
430<tr><td class="num" id="LN351">351</td><td class="line"> file_seek,</td></tr>
431<tr><td class="num" id="LN352">352</td><td class="line"> common_ioctl,</td></tr>
432<tr><td class="num" id="LN353">353</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
433<tr><td class="num" id="LN354">354</td><td class="line"> file_select,</td></tr>
434<tr><td class="num" id="LN355">355</td><td class="line"> file_deselect,</td></tr>
435<tr><td class="num" id="LN356">356</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_dir()</span></td></tr>
436<tr><td class="num" id="LN357">357</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// rewind_dir()</span></td></tr>
437<tr><td class="num" id="LN358">358</td><td class="line"> common_read_stat,</td></tr>
438<tr><td class="num" id="LN359">359</td><td class="line"> common_write_stat,</td></tr>
439<tr><td class="num" id="LN360">360</td><td class="line"> file_close,</td></tr>
440<tr><td class="num" id="LN361">361</td><td class="line"> file_free_fd</td></tr>
441<tr><td class="num" id="LN362">362</td><td class="line">};</td></tr>
442<tr><td class="num" id="LN363">363</td><td class="line"> </td></tr>
443<tr><td class="num" id="LN364">364</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sDirectoryOps = {</td></tr>
444<tr><td class="num" id="LN365">365</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
445<tr><td class="num" id="LN366">366</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
446<tr><td class="num" id="LN367">367</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
447<tr><td class="num" id="LN368">368</td><td class="line"> common_ioctl,</td></tr>
448<tr><td class="num" id="LN369">369</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
449<tr><td class="num" id="LN370">370</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
450<tr><td class="num" id="LN371">371</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
451<tr><td class="num" id="LN372">372</td><td class="line"> dir_read,</td></tr>
452<tr><td class="num" id="LN373">373</td><td class="line"> dir_rewind,</td></tr>
453<tr><td class="num" id="LN374">374</td><td class="line"> common_read_stat,</td></tr>
454<tr><td class="num" id="LN375">375</td><td class="line"> common_write_stat,</td></tr>
455<tr><td class="num" id="LN376">376</td><td class="line"> dir_close,</td></tr>
456<tr><td class="num" id="LN377">377</td><td class="line"> dir_free_fd</td></tr>
457<tr><td class="num" id="LN378">378</td><td class="line">};</td></tr>
458<tr><td class="num" id="LN379">379</td><td class="line"> </td></tr>
459<tr><td class="num" id="LN380">380</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sAttributeDirectoryOps = {</td></tr>
460<tr><td class="num" id="LN381">381</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
461<tr><td class="num" id="LN382">382</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
462<tr><td class="num" id="LN383">383</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
463<tr><td class="num" id="LN384">384</td><td class="line"> common_ioctl,</td></tr>
464<tr><td class="num" id="LN385">385</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
465<tr><td class="num" id="LN386">386</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
466<tr><td class="num" id="LN387">387</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
467<tr><td class="num" id="LN388">388</td><td class="line"> attr_dir_read,</td></tr>
468<tr><td class="num" id="LN389">389</td><td class="line"> attr_dir_rewind,</td></tr>
469<tr><td class="num" id="LN390">390</td><td class="line"> common_read_stat,</td></tr>
470<tr><td class="num" id="LN391">391</td><td class="line"> common_write_stat,</td></tr>
471<tr><td class="num" id="LN392">392</td><td class="line"> attr_dir_close,</td></tr>
472<tr><td class="num" id="LN393">393</td><td class="line"> attr_dir_free_fd</td></tr>
473<tr><td class="num" id="LN394">394</td><td class="line">};</td></tr>
474<tr><td class="num" id="LN395">395</td><td class="line"> </td></tr>
475<tr><td class="num" id="LN396">396</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sAttributeOps = {</td></tr>
476<tr><td class="num" id="LN397">397</td><td class="line"> attr_read,</td></tr>
477<tr><td class="num" id="LN398">398</td><td class="line"> attr_write,</td></tr>
478<tr><td class="num" id="LN399">399</td><td class="line"> attr_seek,</td></tr>
479<tr><td class="num" id="LN400">400</td><td class="line"> common_ioctl,</td></tr>
480<tr><td class="num" id="LN401">401</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
481<tr><td class="num" id="LN402">402</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
482<tr><td class="num" id="LN403">403</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
483<tr><td class="num" id="LN404">404</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_dir()</span></td></tr>
484<tr><td class="num" id="LN405">405</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// rewind_dir()</span></td></tr>
485<tr><td class="num" id="LN406">406</td><td class="line"> attr_read_stat,</td></tr>
486<tr><td class="num" id="LN407">407</td><td class="line"> attr_write_stat,</td></tr>
487<tr><td class="num" id="LN408">408</td><td class="line"> attr_close,</td></tr>
488<tr><td class="num" id="LN409">409</td><td class="line"> attr_free_fd</td></tr>
489<tr><td class="num" id="LN410">410</td><td class="line">};</td></tr>
490<tr><td class="num" id="LN411">411</td><td class="line"> </td></tr>
491<tr><td class="num" id="LN412">412</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sIndexDirectoryOps = {</td></tr>
492<tr><td class="num" id="LN413">413</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
493<tr><td class="num" id="LN414">414</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
494<tr><td class="num" id="LN415">415</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
495<tr><td class="num" id="LN416">416</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// ioctl()</span></td></tr>
496<tr><td class="num" id="LN417">417</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
497<tr><td class="num" id="LN418">418</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
498<tr><td class="num" id="LN419">419</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
499<tr><td class="num" id="LN420">420</td><td class="line"> index_dir_read,</td></tr>
500<tr><td class="num" id="LN421">421</td><td class="line"> index_dir_rewind,</td></tr>
501<tr><td class="num" id="LN422">422</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_stat()</span></td></tr>
502<tr><td class="num" id="LN423">423</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write_stat()</span></td></tr>
503<tr><td class="num" id="LN424">424</td><td class="line"> index_dir_close,</td></tr>
504<tr><td class="num" id="LN425">425</td><td class="line"> index_dir_free_fd</td></tr>
505<tr><td class="num" id="LN426">426</td><td class="line">};</td></tr>
506<tr><td class="num" id="LN427">427</td><td class="line"> </td></tr>
507<tr><td class="num" id="LN428">428</td><td class="line"><span class='directive'>#if 0</span></td></tr>
508<tr><td class="num" id="LN429">429</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sIndexOps = {</td></tr>
509<tr><td class="num" id="LN430">430</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
510<tr><td class="num" id="LN431">431</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
511<tr><td class="num" id="LN432">432</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
512<tr><td class="num" id="LN433">433</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// ioctl()</span></td></tr>
513<tr><td class="num" id="LN434">434</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
514<tr><td class="num" id="LN435">435</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
515<tr><td class="num" id="LN436">436</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
516<tr><td class="num" id="LN437">437</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// dir_read()</span></td></tr>
517<tr><td class="num" id="LN438">438</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// dir_rewind()</span></td></tr>
518<tr><td class="num" id="LN439">439</td><td class="line"> index_read_stat, <span class='comment'>// read_stat()</span></td></tr>
519<tr><td class="num" id="LN440">440</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write_stat()</span></td></tr>
520<tr><td class="num" id="LN441">441</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// dir_close()</span></td></tr>
521<tr><td class="num" id="LN442">442</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span> <span class='comment'>// free_fd()</span></td></tr>
522<tr><td class="num" id="LN443">443</td><td class="line">};</td></tr>
523<tr><td class="num" id="LN444">444</td><td class="line"><span class='directive'>#endif</span></td></tr>
524<tr><td class="num" id="LN445">445</td><td class="line"> </td></tr>
525<tr><td class="num" id="LN446">446</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fd_ops sQueryOps = {</td></tr>
526<tr><td class="num" id="LN447">447</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read()</span></td></tr>
527<tr><td class="num" id="LN448">448</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write()</span></td></tr>
528<tr><td class="num" id="LN449">449</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// seek()</span></td></tr>
529<tr><td class="num" id="LN450">450</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// ioctl()</span></td></tr>
530<tr><td class="num" id="LN451">451</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// set_flags</span></td></tr>
531<tr><td class="num" id="LN452">452</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// select()</span></td></tr>
532<tr><td class="num" id="LN453">453</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// deselect()</span></td></tr>
533<tr><td class="num" id="LN454">454</td><td class="line"> query_read,</td></tr>
534<tr><td class="num" id="LN455">455</td><td class="line"> query_rewind,</td></tr>
535<tr><td class="num" id="LN456">456</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// read_stat()</span></td></tr>
536<tr><td class="num" id="LN457">457</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='comment'>// write_stat()</span></td></tr>
537<tr><td class="num" id="LN458">458</td><td class="line"> query_close,</td></tr>
538<tr><td class="num" id="LN459">459</td><td class="line"> query_free_fd</td></tr>
539<tr><td class="num" id="LN460">460</td><td class="line">};</td></tr>
540<tr><td class="num" id="LN461">461</td><td class="line"> </td></tr>
541<tr><td class="num" id="LN462">462</td><td class="line"> </td></tr>
542<tr><td class="num" id="LN463">463</td><td class="line"><span class='comment'>// VNodePutter</span></td></tr>
543<tr><td class="num" id="LN464">464</td><td class="line"><span class='keyword'>class</span> VNodePutter {</td></tr>
544<tr><td class="num" id="LN465">465</td><td class="line"><span class='keyword'>public</span>:</td></tr>
545<tr><td class="num" id="LN466">466</td><td class="line"> VNodePutter(<span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>) : fVNode(vnode) {}</td></tr>
546<tr><td class="num" id="LN467">467</td><td class="line"> </td></tr>
547<tr><td class="num" id="LN468">468</td><td class="line"> ~VNodePutter()</td></tr>
548<tr><td class="num" id="LN469">469</td><td class="line"> {</td></tr>
549<tr><td class="num" id="LN470">470</td><td class="line"> Put();</td></tr>
550<tr><td class="num" id="LN471">471</td><td class="line"> }</td></tr>
551<tr><td class="num" id="LN472">472</td><td class="line"> </td></tr>
552<tr><td class="num" id="LN473">473</td><td class="line"> <span class='keyword'>void</span> SetTo(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
553<tr><td class="num" id="LN474">474</td><td class="line"> {</td></tr>
554<tr><td class="num" id="LN475">475</td><td class="line"> Put();</td></tr>
555<tr><td class="num" id="LN476">476</td><td class="line"> fVNode = vnode;</td></tr>
556<tr><td class="num" id="LN477">477</td><td class="line"> }</td></tr>
557<tr><td class="num" id="LN478">478</td><td class="line"> </td></tr>
558<tr><td class="num" id="LN479">479</td><td class="line"> <span class='keyword'>void</span> Put()</td></tr>
559<tr><td class="num" id="LN480">480</td><td class="line"> {</td></tr>
560<tr><td class="num" id="LN481">481</td><td class="line"> <span class='keyword'>if</span> (fVNode) {</td></tr>
561<tr><td class="num" id="LN482">482</td><td class="line"> put_vnode(fVNode);</td></tr>
562<tr><td class="num" id="LN483">483</td><td class="line"> fVNode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
563<tr><td class="num" id="LN484">484</td><td class="line"> }</td></tr>
564<tr><td class="num" id="LN485">485</td><td class="line"> }</td></tr>
565<tr><td class="num" id="LN486">486</td><td class="line"> </td></tr>
566<tr><td class="num" id="LN487">487</td><td class="line"> <span class='keyword'>struct</span> vnode* Detach()</td></tr>
567<tr><td class="num" id="LN488">488</td><td class="line"> {</td></tr>
568<tr><td class="num" id="LN489">489</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fVNode;</td></tr>
569<tr><td class="num" id="LN490">490</td><td class="line"> fVNode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
570<tr><td class="num" id="LN491">491</td><td class="line"> <span class='keyword'>return</span> vnode;</td></tr>
571<tr><td class="num" id="LN492">492</td><td class="line"> }</td></tr>
572<tr><td class="num" id="LN493">493</td><td class="line"> </td></tr>
573<tr><td class="num" id="LN494">494</td><td class="line"><span class='keyword'>private</span>:</td></tr>
574<tr><td class="num" id="LN495">495</td><td class="line"> <span class='keyword'>struct</span> vnode* fVNode;</td></tr>
575<tr><td class="num" id="LN496">496</td><td class="line">};</td></tr>
576<tr><td class="num" id="LN497">497</td><td class="line"> </td></tr>
577<tr><td class="num" id="LN498">498</td><td class="line"> </td></tr>
578<tr><td class="num" id="LN499">499</td><td class="line"><span class='keyword'>class</span> FDCloser {</td></tr>
579<tr><td class="num" id="LN500">500</td><td class="line"><span class='keyword'>public</span>:</td></tr>
580<tr><td class="num" id="LN501">501</td><td class="line"> FDCloser() : fFD(-1), fKernel(<span class='keyword'>true</span>) {}</td></tr>
581<tr><td class="num" id="LN502">502</td><td class="line"> </td></tr>
582<tr><td class="num" id="LN503">503</td><td class="line"> FDCloser(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel) : fFD(fd), fKernel(kernel) {}</td></tr>
583<tr><td class="num" id="LN504">504</td><td class="line"> </td></tr>
584<tr><td class="num" id="LN505">505</td><td class="line"> ~FDCloser()</td></tr>
585<tr><td class="num" id="LN506">506</td><td class="line"> {</td></tr>
586<tr><td class="num" id="LN507">507</td><td class="line"> Close();</td></tr>
587<tr><td class="num" id="LN508">508</td><td class="line"> }</td></tr>
588<tr><td class="num" id="LN509">509</td><td class="line"> </td></tr>
589<tr><td class="num" id="LN510">510</td><td class="line"> <span class='keyword'>void</span> SetTo(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
590<tr><td class="num" id="LN511">511</td><td class="line"> {</td></tr>
591<tr><td class="num" id="LN512">512</td><td class="line"> Close();</td></tr>
592<tr><td class="num" id="LN513">513</td><td class="line"> fFD = fd;</td></tr>
593<tr><td class="num" id="LN514">514</td><td class="line"> fKernel = kernel;</td></tr>
594<tr><td class="num" id="LN515">515</td><td class="line"> }</td></tr>
595<tr><td class="num" id="LN516">516</td><td class="line"> </td></tr>
596<tr><td class="num" id="LN517">517</td><td class="line"> <span class='keyword'>void</span> Close()</td></tr>
597<tr><td class="num" id="LN518">518</td><td class="line"> {</td></tr>
598<tr><td class="num" id="LN519">519</td><td class="line"> <span class='keyword'>if</span> (fFD &gt;= 0) {</td></tr>
599<tr><td class="num" id="LN520">520</td><td class="line"> <span class='keyword'>if</span> (fKernel)</td></tr>
600<tr><td class="num" id="LN521">521</td><td class="line"> _kern_close(fFD);</td></tr>
601<tr><td class="num" id="LN522">522</td><td class="line"> <span class='keyword'>else</span></td></tr>
602<tr><td class="num" id="LN523">523</td><td class="line"> _user_close(fFD);</td></tr>
603<tr><td class="num" id="LN524">524</td><td class="line"> fFD = -1;</td></tr>
604<tr><td class="num" id="LN525">525</td><td class="line"> }</td></tr>
605<tr><td class="num" id="LN526">526</td><td class="line"> }</td></tr>
606<tr><td class="num" id="LN527">527</td><td class="line"> </td></tr>
607<tr><td class="num" id="LN528">528</td><td class="line"> <span class='keyword'>int</span> Detach()</td></tr>
608<tr><td class="num" id="LN529">529</td><td class="line"> {</td></tr>
609<tr><td class="num" id="LN530">530</td><td class="line"> <span class='keyword'>int</span> fd = fFD;</td></tr>
610<tr><td class="num" id="LN531">531</td><td class="line"> fFD = -1;</td></tr>
611<tr><td class="num" id="LN532">532</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
612<tr><td class="num" id="LN533">533</td><td class="line"> }</td></tr>
613<tr><td class="num" id="LN534">534</td><td class="line"> </td></tr>
614<tr><td class="num" id="LN535">535</td><td class="line"><span class='keyword'>private</span>:</td></tr>
615<tr><td class="num" id="LN536">536</td><td class="line"> <span class='keyword'>int</span> fFD;</td></tr>
616<tr><td class="num" id="LN537">537</td><td class="line"> <span class='keyword'>bool</span> fKernel;</td></tr>
617<tr><td class="num" id="LN538">538</td><td class="line">};</td></tr>
618<tr><td class="num" id="LN539">539</td><td class="line"> </td></tr>
619<tr><td class="num" id="LN540">540</td><td class="line"> </td></tr>
620<tr><td class="num" id="LN541">541</td><td class="line"><span class='directive'>#if VFS_PAGES_IO_TRACING</span></td></tr>
621<tr><td class="num" id="LN542">542</td><td class="line"> </td></tr>
622<tr><td class="num" id="LN543">543</td><td class="line"><span class='keyword'>namespace</span> VFSPagesIOTracing {</td></tr>
623<tr><td class="num" id="LN544">544</td><td class="line"> </td></tr>
624<tr><td class="num" id="LN545">545</td><td class="line"><span class='keyword'>class</span> PagesIOTraceEntry : <span class='keyword'>public</span> AbstractTraceEntry {</td></tr>
625<tr><td class="num" id="LN546">546</td><td class="line"><span class='keyword'>protected</span>:</td></tr>
626<tr><td class="num" id="LN547">547</td><td class="line"> PagesIOTraceEntry(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
627<tr><td class="num" id="LN548">548</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, uint32 count, uint32 flags,</td></tr>
628<tr><td class="num" id="LN549">549</td><td class="line"> generic_size_t bytesRequested, status_t status,</td></tr>
629<tr><td class="num" id="LN550">550</td><td class="line"> generic_size_t bytesTransferred)</td></tr>
630<tr><td class="num" id="LN551">551</td><td class="line"> :</td></tr>
631<tr><td class="num" id="LN552">552</td><td class="line"> fVnode(vnode),</td></tr>
632<tr><td class="num" id="LN553">553</td><td class="line"> fMountID(vnode-&gt;mount-&gt;id),</td></tr>
633<tr><td class="num" id="LN554">554</td><td class="line"> fNodeID(vnode-&gt;id),</td></tr>
634<tr><td class="num" id="LN555">555</td><td class="line"> fCookie(cookie),</td></tr>
635<tr><td class="num" id="LN556">556</td><td class="line"> fPos(pos),</td></tr>
636<tr><td class="num" id="LN557">557</td><td class="line"> fCount(count),</td></tr>
637<tr><td class="num" id="LN558">558</td><td class="line"> fFlags(flags),</td></tr>
638<tr><td class="num" id="LN559">559</td><td class="line"> fBytesRequested(bytesRequested),</td></tr>
639<tr><td class="num" id="LN560">560</td><td class="line"> fStatus(status),</td></tr>
640<tr><td class="num" id="LN561">561</td><td class="line"> fBytesTransferred(bytesTransferred)</td></tr>
641<tr><td class="num" id="LN562">562</td><td class="line"> {</td></tr>
642<tr><td class="num" id="LN563">563</td><td class="line"> fVecs = (generic_io_vec*)alloc_tracing_buffer_memcpy(vecs,</td></tr>
643<tr><td class="num" id="LN564">564</td><td class="line"> <span class='keyword'>sizeof</span>(generic_io_vec) * count, <span class='keyword'>false</span>);</td></tr>
644<tr><td class="num" id="LN565">565</td><td class="line"> }</td></tr>
645<tr><td class="num" id="LN566">566</td><td class="line"> </td></tr>
646<tr><td class="num" id="LN567">567</td><td class="line"> <span class='keyword'>void</span> AddDump(TraceOutput&amp; out, <span class='keyword'>const</span> <span class='keyword'>char</span>* mode)</td></tr>
647<tr><td class="num" id="LN568">568</td><td class="line"> {</td></tr>
648<tr><td class="num" id="LN569">569</td><td class="line"> out.Print(<span class='string_literal'>"vfs pages io %5s: vnode: %p (%"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>", %"</span> <span class='macro'>B_PRId64<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"), "</span></td></tr>
649<tr><td class="num" id="LN570">570</td><td class="line"> <span class='string_literal'>"cookie: %p, pos: %"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>", size: %"</span> <span class='macro'>B_PRIu64<span class='expansion'>"ll" "u"</span></span> <span class='string_literal'>", vecs: {"</span>,</td></tr>
650<tr><td class="num" id="LN571">571</td><td class="line"> mode, fVnode, fMountID, fNodeID, fCookie, fPos,</td></tr>
651<tr><td class="num" id="LN572">572</td><td class="line"> (uint64)fBytesRequested);</td></tr>
652<tr><td class="num" id="LN573">573</td><td class="line"> </td></tr>
653<tr><td class="num" id="LN574">574</td><td class="line"> <span class='keyword'>if</span> (fVecs != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
654<tr><td class="num" id="LN575">575</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i &lt; fCount; i++) {</td></tr>
655<tr><td class="num" id="LN576">576</td><td class="line"> <span class='keyword'>if</span> (i &gt; 0)</td></tr>
656<tr><td class="num" id="LN577">577</td><td class="line"> out.Print(<span class='string_literal'>", "</span>);</td></tr>
657<tr><td class="num" id="LN578">578</td><td class="line"> out.Print(<span class='string_literal'>"(%"</span> <span class='macro'>B_PRIx64<span class='expansion'>"ll" "x"</span></span> <span class='string_literal'>", %"</span> <span class='macro'>B_PRIu64<span class='expansion'>"ll" "u"</span></span> <span class='string_literal'>")"</span>, (uint64)fVecs[i].base,</td></tr>
658<tr><td class="num" id="LN579">579</td><td class="line"> (uint64)fVecs[i].length);</td></tr>
659<tr><td class="num" id="LN580">580</td><td class="line"> }</td></tr>
660<tr><td class="num" id="LN581">581</td><td class="line"> }</td></tr>
661<tr><td class="num" id="LN582">582</td><td class="line"> </td></tr>
662<tr><td class="num" id="LN583">583</td><td class="line"> out.Print(<span class='string_literal'>"}, flags: %#"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>" -&gt; status: %#"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>", "</span></td></tr>
663<tr><td class="num" id="LN584">584</td><td class="line"> <span class='string_literal'>"transferred: %"</span> <span class='macro'>B_PRIu64<span class='expansion'>"ll" "u"</span></span>, fFlags, fStatus,</td></tr>
664<tr><td class="num" id="LN585">585</td><td class="line"> (uint64)fBytesTransferred);</td></tr>
665<tr><td class="num" id="LN586">586</td><td class="line"> }</td></tr>
666<tr><td class="num" id="LN587">587</td><td class="line"> </td></tr>
667<tr><td class="num" id="LN588">588</td><td class="line"><span class='keyword'>protected</span>:</td></tr>
668<tr><td class="num" id="LN589">589</td><td class="line"> <span class='keyword'>struct</span> vnode* fVnode;</td></tr>
669<tr><td class="num" id="LN590">590</td><td class="line"> dev_t fMountID;</td></tr>
670<tr><td class="num" id="LN591">591</td><td class="line"> ino_t fNodeID;</td></tr>
671<tr><td class="num" id="LN592">592</td><td class="line"> <span class='keyword'>void</span>* fCookie;</td></tr>
672<tr><td class="num" id="LN593">593</td><td class="line"> off_t fPos;</td></tr>
673<tr><td class="num" id="LN594">594</td><td class="line"> generic_io_vec* fVecs;</td></tr>
674<tr><td class="num" id="LN595">595</td><td class="line"> uint32 fCount;</td></tr>
675<tr><td class="num" id="LN596">596</td><td class="line"> uint32 fFlags;</td></tr>
676<tr><td class="num" id="LN597">597</td><td class="line"> generic_size_t fBytesRequested;</td></tr>
677<tr><td class="num" id="LN598">598</td><td class="line"> status_t fStatus;</td></tr>
678<tr><td class="num" id="LN599">599</td><td class="line"> generic_size_t fBytesTransferred;</td></tr>
679<tr><td class="num" id="LN600">600</td><td class="line">};</td></tr>
680<tr><td class="num" id="LN601">601</td><td class="line"> </td></tr>
681<tr><td class="num" id="LN602">602</td><td class="line"> </td></tr>
682<tr><td class="num" id="LN603">603</td><td class="line"><span class='keyword'>class</span> ReadPages : <span class='keyword'>public</span> PagesIOTraceEntry {</td></tr>
683<tr><td class="num" id="LN604">604</td><td class="line"><span class='keyword'>public</span>:</td></tr>
684<tr><td class="num" id="LN605">605</td><td class="line"> ReadPages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
685<tr><td class="num" id="LN606">606</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, uint32 count, uint32 flags,</td></tr>
686<tr><td class="num" id="LN607">607</td><td class="line"> generic_size_t bytesRequested, status_t status,</td></tr>
687<tr><td class="num" id="LN608">608</td><td class="line"> generic_size_t bytesTransferred)</td></tr>
688<tr><td class="num" id="LN609">609</td><td class="line"> :</td></tr>
689<tr><td class="num" id="LN610">610</td><td class="line"> PagesIOTraceEntry(vnode, cookie, pos, vecs, count, flags,</td></tr>
690<tr><td class="num" id="LN611">611</td><td class="line"> bytesRequested, status, bytesTransferred)</td></tr>
691<tr><td class="num" id="LN612">612</td><td class="line"> {</td></tr>
692<tr><td class="num" id="LN613">613</td><td class="line"> Initialized();</td></tr>
693<tr><td class="num" id="LN614">614</td><td class="line"> }</td></tr>
694<tr><td class="num" id="LN615">615</td><td class="line"> </td></tr>
695<tr><td class="num" id="LN616">616</td><td class="line"> <span class='keyword'>virtual</span> <span class='keyword'>void</span> AddDump(TraceOutput&amp; out)</td></tr>
696<tr><td class="num" id="LN617">617</td><td class="line"> {</td></tr>
697<tr><td class="num" id="LN618">618</td><td class="line"> PagesIOTraceEntry::AddDump(out, <span class='string_literal'>"read"</span>);</td></tr>
698<tr><td class="num" id="LN619">619</td><td class="line"> }</td></tr>
699<tr><td class="num" id="LN620">620</td><td class="line">};</td></tr>
700<tr><td class="num" id="LN621">621</td><td class="line"> </td></tr>
701<tr><td class="num" id="LN622">622</td><td class="line"> </td></tr>
702<tr><td class="num" id="LN623">623</td><td class="line"><span class='keyword'>class</span> WritePages : <span class='keyword'>public</span> PagesIOTraceEntry {</td></tr>
703<tr><td class="num" id="LN624">624</td><td class="line"><span class='keyword'>public</span>:</td></tr>
704<tr><td class="num" id="LN625">625</td><td class="line"> WritePages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
705<tr><td class="num" id="LN626">626</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, uint32 count, uint32 flags,</td></tr>
706<tr><td class="num" id="LN627">627</td><td class="line"> generic_size_t bytesRequested, status_t status,</td></tr>
707<tr><td class="num" id="LN628">628</td><td class="line"> generic_size_t bytesTransferred)</td></tr>
708<tr><td class="num" id="LN629">629</td><td class="line"> :</td></tr>
709<tr><td class="num" id="LN630">630</td><td class="line"> PagesIOTraceEntry(vnode, cookie, pos, vecs, count, flags,</td></tr>
710<tr><td class="num" id="LN631">631</td><td class="line"> bytesRequested, status, bytesTransferred)</td></tr>
711<tr><td class="num" id="LN632">632</td><td class="line"> {</td></tr>
712<tr><td class="num" id="LN633">633</td><td class="line"> Initialized();</td></tr>
713<tr><td class="num" id="LN634">634</td><td class="line"> }</td></tr>
714<tr><td class="num" id="LN635">635</td><td class="line"> </td></tr>
715<tr><td class="num" id="LN636">636</td><td class="line"> <span class='keyword'>virtual</span> <span class='keyword'>void</span> AddDump(TraceOutput&amp; out)</td></tr>
716<tr><td class="num" id="LN637">637</td><td class="line"> {</td></tr>
717<tr><td class="num" id="LN638">638</td><td class="line"> PagesIOTraceEntry::AddDump(out, <span class='string_literal'>"write"</span>);</td></tr>
718<tr><td class="num" id="LN639">639</td><td class="line"> }</td></tr>
719<tr><td class="num" id="LN640">640</td><td class="line">};</td></tr>
720<tr><td class="num" id="LN641">641</td><td class="line"> </td></tr>
721<tr><td class="num" id="LN642">642</td><td class="line">} <span class='comment'>// namespace VFSPagesIOTracing</span></td></tr>
722<tr><td class="num" id="LN643">643</td><td class="line"> </td></tr>
723<tr><td class="num" id="LN644">644</td><td class="line"><span class='directive'># define <span class='macro'>TPIO(x)<span class='expansion'>;</span></span> new(std::nothrow) VFSPagesIOTracing::x;</span></td></tr>
724<tr><td class="num" id="LN645">645</td><td class="line"><span class='directive'>#else</span></td></tr>
725<tr><td class="num" id="LN646">646</td><td class="line"><span class='directive'># define <span class='macro'>TPIO(x)<span class='expansion'>;</span></span> ;</span></td></tr>
726<tr><td class="num" id="LN647">647</td><td class="line"><span class='directive'>#endif // VFS_PAGES_IO_TRACING</span></td></tr>
727<tr><td class="num" id="LN648">648</td><td class="line"> </td></tr>
728<tr><td class="num" id="LN649">649</td><td class="line"> </td></tr>
729<tr><td class="num" id="LN650">650</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
730<tr><td class="num" id="LN651">651</td><td class="line">mount_compare(<span class='keyword'>void</span>* _m, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key)</td></tr>
731<tr><td class="num" id="LN652">652</td><td class="line">{</td></tr>
732<tr><td class="num" id="LN653">653</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = (fs_mount*)_m;</td></tr>
733<tr><td class="num" id="LN654">654</td><td class="line"> <span class='keyword'>const</span> dev_t* id = (dev_t*)_key;</td></tr>
734<tr><td class="num" id="LN655">655</td><td class="line"> </td></tr>
735<tr><td class="num" id="LN656">656</td><td class="line"> <span class='keyword'>if</span> (mount-&gt;id == *id)</td></tr>
736<tr><td class="num" id="LN657">657</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
737<tr><td class="num" id="LN658">658</td><td class="line"> </td></tr>
738<tr><td class="num" id="LN659">659</td><td class="line"> <span class='keyword'>return</span> -1;</td></tr>
739<tr><td class="num" id="LN660">660</td><td class="line">}</td></tr>
740<tr><td class="num" id="LN661">661</td><td class="line"> </td></tr>
741<tr><td class="num" id="LN662">662</td><td class="line"> </td></tr>
742<tr><td class="num" id="LN663">663</td><td class="line"><span class='keyword'>static</span> uint32</td></tr>
743<tr><td class="num" id="LN664">664</td><td class="line">mount_hash(<span class='keyword'>void</span>* _m, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key, uint32 range)</td></tr>
744<tr><td class="num" id="LN665">665</td><td class="line">{</td></tr>
745<tr><td class="num" id="LN666">666</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = (fs_mount*)_m;</td></tr>
746<tr><td class="num" id="LN667">667</td><td class="line"> <span class='keyword'>const</span> dev_t* id = (dev_t*)_key;</td></tr>
747<tr><td class="num" id="LN668">668</td><td class="line"> </td></tr>
748<tr><td class="num" id="LN669">669</td><td class="line"> <span class='keyword'>if</span> (mount)</td></tr>
749<tr><td class="num" id="LN670">670</td><td class="line"> <span class='keyword'>return</span> mount-&gt;id % range;</td></tr>
750<tr><td class="num" id="LN671">671</td><td class="line"> </td></tr>
751<tr><td class="num" id="LN672">672</td><td class="line"> <span class='keyword'>return</span> (uint32)*id % range;</td></tr>
752<tr><td class="num" id="LN673">673</td><td class="line">}</td></tr>
753<tr><td class="num" id="LN674">674</td><td class="line"> </td></tr>
754<tr><td class="num" id="LN675">675</td><td class="line"> </td></tr>
755<tr><td class="num" id="LN676">676</td><td class="line"><span class='comment'>/*! Finds the mounted device (the fs_mount structure) with the given ID.</span></td></tr>
756<tr><td class="num" id="LN677">677</td><td class="line"> <span class='comment'>Note, you must hold the gMountMutex lock when you call this function.</span></td></tr>
757<tr><td class="num" id="LN678">678</td><td class="line"><span class='comment'>*/</span></td></tr>
758<tr><td class="num" id="LN679">679</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> fs_mount*</td></tr>
759<tr><td class="num" id="LN680">680</td><td class="line">find_mount(dev_t id)</td></tr>
760<tr><td class="num" id="LN681">681</td><td class="line">{</td></tr>
761<tr><td class="num" id="LN682">682</td><td class="line"> <span class='macro'>ASSERT_LOCKED_MUTEX(&amp;sMountMutex)<span class='expansion'>{ do { if (!(find_thread(__null) == (&amp;sMountMutex)-&gt;holder<br>)) { panic("ASSERT FAILED (%s:%d): %s", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 682, "find_thread(__null) == (&amp;sMountMutex)-&gt;holder"<br>); } } while (0); }</span></span>;</td></tr>
762<tr><td class="num" id="LN683">683</td><td class="line"> </td></tr>
763<tr><td class="num" id="LN684">684</td><td class="line"> <span class='keyword'>return</span> (fs_mount*)hash_lookup(sMountsTable, (<span class='keyword'>void</span>*)&amp;id);</td></tr>
764<tr><td class="num" id="LN685">685</td><td class="line">}</td></tr>
765<tr><td class="num" id="LN686">686</td><td class="line"> </td></tr>
766<tr><td class="num" id="LN687">687</td><td class="line"> </td></tr>
767<tr><td class="num" id="LN688">688</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
768<tr><td class="num" id="LN689">689</td><td class="line">get_mount(dev_t id, <span class='keyword'>struct</span> fs_mount** _mount)</td></tr>
769<tr><td class="num" id="LN690">690</td><td class="line">{</td></tr>
770<tr><td class="num" id="LN691">691</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
771<tr><td class="num" id="LN692">692</td><td class="line"> </td></tr>
772<tr><td class="num" id="LN693">693</td><td class="line"> ReadLocker nodeLocker(sVnodeLock);</td></tr>
773<tr><td class="num" id="LN694">694</td><td class="line"> MutexLocker mountLocker(sMountMutex);</td></tr>
774<tr><td class="num" id="LN695">695</td><td class="line"> </td></tr>
775<tr><td class="num" id="LN696">696</td><td class="line"> mount = find_mount(id);</td></tr>
776<tr><td class="num" id="LN697">697</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
777<tr><td class="num" id="LN698">698</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
778<tr><td class="num" id="LN699">699</td><td class="line"> </td></tr>
779<tr><td class="num" id="LN700">700</td><td class="line"> <span class='keyword'>struct</span> vnode* rootNode = mount-&gt;root_vnode;</td></tr>
780<tr><td class="num" id="LN701">701</td><td class="line"> <span class='keyword'>if</span> (rootNode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || rootNode-&gt;IsBusy() || rootNode-&gt;ref_count == 0) {</td></tr>
781<tr><td class="num" id="LN702">702</td><td class="line"> <span class='comment'>// might have been called during a mount/unmount operation</span></td></tr>
782<tr><td class="num" id="LN703">703</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
783<tr><td class="num" id="LN704">704</td><td class="line"> }</td></tr>
784<tr><td class="num" id="LN705">705</td><td class="line"> </td></tr>
785<tr><td class="num" id="LN706">706</td><td class="line"> inc_vnode_ref_count(mount-&gt;root_vnode);</td></tr>
786<tr><td class="num" id="LN707">707</td><td class="line"> *_mount = mount;</td></tr>
787<tr><td class="num" id="LN708">708</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
788<tr><td class="num" id="LN709">709</td><td class="line">}</td></tr>
789<tr><td class="num" id="LN710">710</td><td class="line"> </td></tr>
790<tr><td class="num" id="LN711">711</td><td class="line"> </td></tr>
791<tr><td class="num" id="LN712">712</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
792<tr><td class="num" id="LN713">713</td><td class="line">put_mount(<span class='keyword'>struct</span> fs_mount* mount)</td></tr>
793<tr><td class="num" id="LN714">714</td><td class="line">{</td></tr>
794<tr><td class="num" id="LN715">715</td><td class="line"> <span class='keyword'>if</span> (mount)</td></tr>
795<tr><td class="num" id="LN716">716</td><td class="line"> put_vnode(mount-&gt;root_vnode);</td></tr>
796<tr><td class="num" id="LN717">717</td><td class="line">}</td></tr>
797<tr><td class="num" id="LN718">718</td><td class="line"> </td></tr>
798<tr><td class="num" id="LN719">719</td><td class="line"> </td></tr>
799<tr><td class="num" id="LN720">720</td><td class="line"><span class='comment'>/*! Tries to open the specified file system module.</span></td></tr>
800<tr><td class="num" id="LN721">721</td><td class="line"> <span class='comment'>Accepts a file system name of the form "bfs" or "file_systems/bfs/v1".</span></td></tr>
801<tr><td class="num" id="LN722">722</td><td class="line"> <span class='comment'>Returns a pointer to file system module interface, or NULL if it</span></td></tr>
802<tr><td class="num" id="LN723">723</td><td class="line"> <span class='comment'>could not open the module.</span></td></tr>
803<tr><td class="num" id="LN724">724</td><td class="line"><span class='comment'>*/</span></td></tr>
804<tr><td class="num" id="LN725">725</td><td class="line"><span class='keyword'>static</span> file_system_module_info*</td></tr>
805<tr><td class="num" id="LN726">726</td><td class="line">get_file_system(<span class='keyword'>const</span> <span class='keyword'>char</span>* fsName)</td></tr>
806<tr><td class="num" id="LN727">727</td><td class="line">{</td></tr>
807<tr><td class="num" id="LN728">728</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
808<tr><td class="num" id="LN729">729</td><td class="line"> <span class='keyword'>if</span> (strncmp(fsName, <span class='string_literal'>"file_systems/"</span>, strlen(<span class='string_literal'>"file_systems/"</span>))) {</td></tr>
809<tr><td class="num" id="LN730">730</td><td class="line"> <span class='comment'>// construct module name if we didn't get one</span></td></tr>
810<tr><td class="num" id="LN731">731</td><td class="line"> <span class='comment'>// (we currently support only one API)</span></td></tr>
811<tr><td class="num" id="LN732">732</td><td class="line"> snprintf(name, <span class='keyword'>sizeof</span>(name), <span class='string_literal'>"file_systems/%s/v1"</span>, fsName);</td></tr>
812<tr><td class="num" id="LN733">733</td><td class="line"> fsName = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
813<tr><td class="num" id="LN734">734</td><td class="line"> }</td></tr>
814<tr><td class="num" id="LN735">735</td><td class="line"> </td></tr>
815<tr><td class="num" id="LN736">736</td><td class="line"> file_system_module_info* info;</td></tr>
816<tr><td class="num" id="LN737">737</td><td class="line"> <span class='keyword'>if</span> (get_module(fsName ? fsName : name, (module_info**)&amp;info) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
817<tr><td class="num" id="LN738">738</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
818<tr><td class="num" id="LN739">739</td><td class="line"> </td></tr>
819<tr><td class="num" id="LN740">740</td><td class="line"> <span class='keyword'>return</span> info;</td></tr>
820<tr><td class="num" id="LN741">741</td><td class="line">}</td></tr>
821<tr><td class="num" id="LN742">742</td><td class="line"> </td></tr>
822<tr><td class="num" id="LN743">743</td><td class="line"> </td></tr>
823<tr><td class="num" id="LN744">744</td><td class="line"><span class='comment'>/*! Accepts a file system name of the form "bfs" or "file_systems/bfs/v1"</span></td></tr>
824<tr><td class="num" id="LN745">745</td><td class="line"> <span class='comment'>and returns a compatible fs_info.fsh_name name ("bfs" in both cases).</span></td></tr>
825<tr><td class="num" id="LN746">746</td><td class="line"> <span class='comment'>The name is allocated for you, and you have to free() it when you're</span></td></tr>
826<tr><td class="num" id="LN747">747</td><td class="line"> <span class='comment'>done with it.</span></td></tr>
827<tr><td class="num" id="LN748">748</td><td class="line"> <span class='comment'>Returns NULL if the required memory is not available.</span></td></tr>
828<tr><td class="num" id="LN749">749</td><td class="line"><span class='comment'>*/</span></td></tr>
829<tr><td class="num" id="LN750">750</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>char</span>*</td></tr>
830<tr><td class="num" id="LN751">751</td><td class="line">get_file_system_name(<span class='keyword'>const</span> <span class='keyword'>char</span>* fsName)</td></tr>
831<tr><td class="num" id="LN752">752</td><td class="line">{</td></tr>
832<tr><td class="num" id="LN753">753</td><td class="line"> <span class='keyword'>const</span> size_t length = strlen(<span class='string_literal'>"file_systems/"</span>);</td></tr>
833<tr><td class="num" id="LN754">754</td><td class="line"> </td></tr>
834<tr><td class="num" id="LN755">755</td><td class="line"> <span class='keyword'>if</span> (strncmp(fsName, <span class='string_literal'>"file_systems/"</span>, length)) {</td></tr>
835<tr><td class="num" id="LN756">756</td><td class="line"> <span class='comment'>// the name already seems to be the module's file name</span></td></tr>
836<tr><td class="num" id="LN757">757</td><td class="line"> <span class='keyword'>return</span> strdup(fsName);</td></tr>
837<tr><td class="num" id="LN758">758</td><td class="line"> }</td></tr>
838<tr><td class="num" id="LN759">759</td><td class="line"> </td></tr>
839<tr><td class="num" id="LN760">760</td><td class="line"> fsName += length;</td></tr>
840<tr><td class="num" id="LN761">761</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* end = strchr(fsName, '/');</td></tr>
841<tr><td class="num" id="LN762">762</td><td class="line"> <span class='keyword'>if</span> (end == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
842<tr><td class="num" id="LN763">763</td><td class="line"> <span class='comment'>// this doesn't seem to be a valid name, but well...</span></td></tr>
843<tr><td class="num" id="LN764">764</td><td class="line"> <span class='keyword'>return</span> strdup(fsName);</td></tr>
844<tr><td class="num" id="LN765">765</td><td class="line"> }</td></tr>
845<tr><td class="num" id="LN766">766</td><td class="line"> </td></tr>
846<tr><td class="num" id="LN767">767</td><td class="line"> <span class='comment'>// cut off the trailing /v1</span></td></tr>
847<tr><td class="num" id="LN768">768</td><td class="line"> </td></tr>
848<tr><td class="num" id="LN769">769</td><td class="line"> <span class='keyword'>char</span>* name = (<span class='keyword'>char</span>*)malloc(end + 1 - fsName);</td></tr>
849<tr><td class="num" id="LN770">770</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
850<tr><td class="num" id="LN771">771</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
851<tr><td class="num" id="LN772">772</td><td class="line"> </td></tr>
852<tr><td class="num" id="LN773">773</td><td class="line"> strlcpy(name, fsName, end + 1 - fsName);</td></tr>
853<tr><td class="num" id="LN774">774</td><td class="line"> <span class='keyword'>return</span> name;</td></tr>
854<tr><td class="num" id="LN775">775</td><td class="line">}</td></tr>
855<tr><td class="num" id="LN776">776</td><td class="line"> </td></tr>
856<tr><td class="num" id="LN777">777</td><td class="line"> </td></tr>
857<tr><td class="num" id="LN778">778</td><td class="line"><span class='comment'>/*! Accepts a list of file system names separated by a colon, one for each</span></td></tr>
858<tr><td class="num" id="LN779">779</td><td class="line"> <span class='comment'>layer and returns the file system name for the specified layer.</span></td></tr>
859<tr><td class="num" id="LN780">780</td><td class="line"> <span class='comment'>The name is allocated for you, and you have to free() it when you're</span></td></tr>
860<tr><td class="num" id="LN781">781</td><td class="line"> <span class='comment'>done with it.</span></td></tr>
861<tr><td class="num" id="LN782">782</td><td class="line"> <span class='comment'>Returns NULL if the required memory is not available or if there is no</span></td></tr>
862<tr><td class="num" id="LN783">783</td><td class="line"> <span class='comment'>name for the specified layer.</span></td></tr>
863<tr><td class="num" id="LN784">784</td><td class="line"><span class='comment'>*/</span></td></tr>
864<tr><td class="num" id="LN785">785</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>char</span>*</td></tr>
865<tr><td class="num" id="LN786">786</td><td class="line">get_file_system_name_for_layer(<span class='keyword'>const</span> <span class='keyword'>char</span>* fsNames, int32 layer)</td></tr>
866<tr><td class="num" id="LN787">787</td><td class="line">{</td></tr>
867<tr><td class="num" id="LN788">788</td><td class="line"> <span class='keyword'>while</span> (layer &gt;= 0) {</td></tr>
868<tr><td class="num"></td><td class="line"><div id="Path18" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">18</div></td><td><div class="PathNav"><a href="#Path17" title="Previous event (17)">&#x2190;</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path19" title="Next event (19)">&#x2192;</a></div></td></tr></table></div></td></tr>
869<tr><td class="num"></td><td class="line"><div id="Path21" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">21</div></td><td><div class="PathNav"><a href="#Path20" title="Previous event (20)">&#x2190;</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path22" title="Next event (22)">&#x2192;</a></div></td></tr></table></div></td></tr>
870<tr><td class="num" id="LN789">789</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* end = strchr(fsNames, ':');</td></tr>
871<tr><td class="num" id="LN790">790</td><td class="line"> <span class='keyword'>if</span> (end == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
872<tr><td class="num"></td><td class="line"><div id="Path19" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">19</div></td><td><div class="PathNav"><a href="#Path18" title="Previous event (18)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path20" title="Next event (20)">&#x2192;</a></div></td></tr></table></div></td></tr>
873<tr><td class="num"></td><td class="line"><div id="Path22" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">22</div></td><td><div class="PathNav"><a href="#Path21" title="Previous event (21)">&#x2190;</a></div></td></td><td>Taking true branch</td><td><div class="PathNav"><a href="#Path23" title="Next event (23)">&#x2192;</a></div></td></tr></table></div></td></tr>
874<tr><td class="num" id="LN791">791</td><td class="line"> <span class='keyword'>if</span> (layer == 0)</td></tr>
875<tr><td class="num"></td><td class="line"><div id="Path23" class="msg msgControl" style="margin-left:25ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">23</div></td><td><div class="PathNav"><a href="#Path22" title="Previous event (22)">&#x2190;</a></div></td></td><td>Taking true branch</td><td><div class="PathNav"><a href="#Path24" title="Next event (24)">&#x2192;</a></div></td></tr></table></div></td></tr>
876<tr><td class="num" id="LN792">792</td><td class="line"> <span class='keyword'>return</span> <span class="mrange">strdup(fsNames)</span>;</td></tr>
877<tr><td class="num"></td><td class="line"><div id="Path24" class="msg msgEvent" style="margin-left:40ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">24</div></td><td><div class="PathNav"><a href="#Path23" title="Previous event (23)">&#x2190;</a></div></td></td><td>Memory is allocated</td><td><div class="PathNav"><a href="#Path25" title="Next event (25)">&#x2192;</a></div></td></tr></table></div></td></tr>
878<tr><td class="num" id="LN793">793</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
879<tr><td class="num" id="LN794">794</td><td class="line"> }</td></tr>
880<tr><td class="num" id="LN795">795</td><td class="line"> </td></tr>
881<tr><td class="num" id="LN796">796</td><td class="line"> <span class='keyword'>if</span> (layer == 0) {</td></tr>
882<tr><td class="num"></td><td class="line"><div id="Path20" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">20</div></td><td><div class="PathNav"><a href="#Path19" title="Previous event (19)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path21" title="Next event (21)">&#x2192;</a></div></td></tr></table></div></td></tr>
883<tr><td class="num" id="LN797">797</td><td class="line"> size_t length = end - fsNames + 1;</td></tr>
884<tr><td class="num" id="LN798">798</td><td class="line"> <span class='keyword'>char</span>* result = (<span class='keyword'>char</span>*)malloc(length);</td></tr>
885<tr><td class="num" id="LN799">799</td><td class="line"> strlcpy(result, fsNames, length);</td></tr>
886<tr><td class="num" id="LN800">800</td><td class="line"> <span class='keyword'>return</span> result;</td></tr>
887<tr><td class="num" id="LN801">801</td><td class="line"> }</td></tr>
888<tr><td class="num" id="LN802">802</td><td class="line"> </td></tr>
889<tr><td class="num" id="LN803">803</td><td class="line"> fsNames = end + 1;</td></tr>
890<tr><td class="num" id="LN804">804</td><td class="line"> layer--;</td></tr>
891<tr><td class="num" id="LN805">805</td><td class="line"> }</td></tr>
892<tr><td class="num" id="LN806">806</td><td class="line"> </td></tr>
893<tr><td class="num" id="LN807">807</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
894<tr><td class="num" id="LN808">808</td><td class="line">}</td></tr>
895<tr><td class="num" id="LN809">809</td><td class="line"> </td></tr>
896<tr><td class="num" id="LN810">810</td><td class="line"> </td></tr>
897<tr><td class="num" id="LN811">811</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
898<tr><td class="num" id="LN812">812</td><td class="line">vnode_compare(<span class='keyword'>void</span>* _vnode, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key)</td></tr>
899<tr><td class="num" id="LN813">813</td><td class="line">{</td></tr>
900<tr><td class="num" id="LN814">814</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)_vnode;</td></tr>
901<tr><td class="num" id="LN815">815</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> vnode_hash_key* key = (vnode_hash_key*)_key;</td></tr>
902<tr><td class="num" id="LN816">816</td><td class="line"> </td></tr>
903<tr><td class="num" id="LN817">817</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;device == key-&gt;device &amp;&amp; vnode-&gt;id == key-&gt;vnode)</td></tr>
904<tr><td class="num" id="LN818">818</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
905<tr><td class="num" id="LN819">819</td><td class="line"> </td></tr>
906<tr><td class="num" id="LN820">820</td><td class="line"> <span class='keyword'>return</span> -1;</td></tr>
907<tr><td class="num" id="LN821">821</td><td class="line">}</td></tr>
908<tr><td class="num" id="LN822">822</td><td class="line"> </td></tr>
909<tr><td class="num" id="LN823">823</td><td class="line"> </td></tr>
910<tr><td class="num" id="LN824">824</td><td class="line"><span class='keyword'>static</span> uint32</td></tr>
911<tr><td class="num" id="LN825">825</td><td class="line">vnode_hash(<span class='keyword'>void</span>* _vnode, <span class='keyword'>const</span> <span class='keyword'>void</span>* _key, uint32 range)</td></tr>
912<tr><td class="num" id="LN826">826</td><td class="line">{</td></tr>
913<tr><td class="num" id="LN827">827</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)_vnode;</td></tr>
914<tr><td class="num" id="LN828">828</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> vnode_hash_key* key = (vnode_hash_key*)_key;</td></tr>
915<tr><td class="num" id="LN829">829</td><td class="line"> </td></tr>
916<tr><td class="num" id="LN830">830</td><td class="line"><span class='directive'>#define VHASH(mountid, vnodeid) \</span></td></tr>
917<tr><td class="num" id="LN831">831</td><td class="line"> <span class='directive'>(((uint32)((vnodeid) &gt;&gt; 32) + (uint32)(vnodeid)) ^ (uint32)(mountid))</span></td></tr>
918<tr><td class="num" id="LN832">832</td><td class="line"> </td></tr>
919<tr><td class="num" id="LN833">833</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
920<tr><td class="num" id="LN834">834</td><td class="line"> <span class='keyword'>return</span> VHASH(vnode-&gt;device, vnode-&gt;id) % range;</td></tr>
921<tr><td class="num" id="LN835">835</td><td class="line"> </td></tr>
922<tr><td class="num" id="LN836">836</td><td class="line"> <span class='keyword'>return</span> VHASH(key-&gt;device, key-&gt;vnode) % range;</td></tr>
923<tr><td class="num" id="LN837">837</td><td class="line"> </td></tr>
924<tr><td class="num" id="LN838">838</td><td class="line"><span class='directive'>#undef VHASH</span></td></tr>
925<tr><td class="num" id="LN839">839</td><td class="line">}</td></tr>
926<tr><td class="num" id="LN840">840</td><td class="line"> </td></tr>
927<tr><td class="num" id="LN841">841</td><td class="line"> </td></tr>
928<tr><td class="num" id="LN842">842</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
929<tr><td class="num" id="LN843">843</td><td class="line">add_vnode_to_mount_list(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> fs_mount* mount)</td></tr>
930<tr><td class="num" id="LN844">844</td><td class="line">{</td></tr>
931<tr><td class="num" id="LN845">845</td><td class="line"> RecursiveLocker _(mount-&gt;rlock);</td></tr>
932<tr><td class="num" id="LN846">846</td><td class="line"> mount-&gt;vnodes.Add(vnode);</td></tr>
933<tr><td class="num" id="LN847">847</td><td class="line">}</td></tr>
934<tr><td class="num" id="LN848">848</td><td class="line"> </td></tr>
935<tr><td class="num" id="LN849">849</td><td class="line"> </td></tr>
936<tr><td class="num" id="LN850">850</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
937<tr><td class="num" id="LN851">851</td><td class="line">remove_vnode_from_mount_list(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> fs_mount* mount)</td></tr>
938<tr><td class="num" id="LN852">852</td><td class="line">{</td></tr>
939<tr><td class="num" id="LN853">853</td><td class="line"> RecursiveLocker _(mount-&gt;rlock);</td></tr>
940<tr><td class="num" id="LN854">854</td><td class="line"> mount-&gt;vnodes.Remove(vnode);</td></tr>
941<tr><td class="num" id="LN855">855</td><td class="line">}</td></tr>
942<tr><td class="num" id="LN856">856</td><td class="line"> </td></tr>
943<tr><td class="num" id="LN857">857</td><td class="line"> </td></tr>
944<tr><td class="num" id="LN858">858</td><td class="line"><span class='comment'>/*! \brief Looks up a vnode by mount and node ID in the sVnodeTable.</span></td></tr>
945<tr><td class="num" id="LN859">859</td><td class="line"> </td></tr>
946<tr><td class="num" id="LN860">860</td><td class="line"> <span class='comment'>The caller must hold the sVnodeLock (read lock at least).</span></td></tr>
947<tr><td class="num" id="LN861">861</td><td class="line"> </td></tr>
948<tr><td class="num" id="LN862">862</td><td class="line"> <span class='comment'>\param mountID the mount ID.</span></td></tr>
949<tr><td class="num" id="LN863">863</td><td class="line"> <span class='comment'>\param vnodeID the node ID.</span></td></tr>
950<tr><td class="num" id="LN864">864</td><td class="line"> </td></tr>
951<tr><td class="num" id="LN865">865</td><td class="line"> <span class='comment'>\return The vnode structure, if it was found in the hash table, \c NULL</span></td></tr>
952<tr><td class="num" id="LN866">866</td><td class="line"> <span class='comment'>otherwise.</span></td></tr>
953<tr><td class="num" id="LN867">867</td><td class="line"><span class='comment'>*/</span></td></tr>
954<tr><td class="num" id="LN868">868</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> vnode*</td></tr>
955<tr><td class="num" id="LN869">869</td><td class="line">lookup_vnode(dev_t mountID, ino_t vnodeID)</td></tr>
956<tr><td class="num" id="LN870">870</td><td class="line">{</td></tr>
957<tr><td class="num" id="LN871">871</td><td class="line"> <span class='keyword'>struct</span> vnode_hash_key key;</td></tr>
958<tr><td class="num" id="LN872">872</td><td class="line"> </td></tr>
959<tr><td class="num" id="LN873">873</td><td class="line"> key.device = mountID;</td></tr>
960<tr><td class="num" id="LN874">874</td><td class="line"> key.vnode = vnodeID;</td></tr>
961<tr><td class="num" id="LN875">875</td><td class="line"> </td></tr>
962<tr><td class="num" id="LN876">876</td><td class="line"> <span class='keyword'>return</span> (vnode*)hash_lookup(sVnodeTable, &amp;key);</td></tr>
963<tr><td class="num" id="LN877">877</td><td class="line">}</td></tr>
964<tr><td class="num" id="LN878">878</td><td class="line"> </td></tr>
965<tr><td class="num" id="LN879">879</td><td class="line"> </td></tr>
966<tr><td class="num" id="LN880">880</td><td class="line"><span class='comment'>/*! Creates a new vnode with the given mount and node ID.</span></td></tr>
967<tr><td class="num" id="LN881">881</td><td class="line"> <span class='comment'>If the node already exists, it is returned instead and no new node is</span></td></tr>
968<tr><td class="num" id="LN882">882</td><td class="line"> <span class='comment'>created. In either case -- but not, if an error occurs -- the function write</span></td></tr>
969<tr><td class="num" id="LN883">883</td><td class="line"> <span class='comment'>locks \c sVnodeLock and keeps it locked for the caller when returning. On</span></td></tr>
970<tr><td class="num" id="LN884">884</td><td class="line"> <span class='comment'>error the lock is not not held on return.</span></td></tr>
971<tr><td class="num" id="LN885">885</td><td class="line"> </td></tr>
972<tr><td class="num" id="LN886">886</td><td class="line"> <span class='comment'>\param mountID The mount ID.</span></td></tr>
973<tr><td class="num" id="LN887">887</td><td class="line"> <span class='comment'>\param vnodeID The vnode ID.</span></td></tr>
974<tr><td class="num" id="LN888">888</td><td class="line"> <span class='comment'>\param _vnode Will be set to the new vnode on success.</span></td></tr>
975<tr><td class="num" id="LN889">889</td><td class="line"> <span class='comment'>\param _nodeCreated Will be set to \c true when the returned vnode has</span></td></tr>
976<tr><td class="num" id="LN890">890</td><td class="line"> <span class='comment'>been newly created, \c false when it already existed. Will not be</span></td></tr>
977<tr><td class="num" id="LN891">891</td><td class="line"> <span class='comment'>changed on error.</span></td></tr>
978<tr><td class="num" id="LN892">892</td><td class="line"> <span class='comment'>\return \c B_OK, when the vnode was successfully created and inserted or</span></td></tr>
979<tr><td class="num" id="LN893">893</td><td class="line"> <span class='comment'>a node with the given ID was found, \c B_NO_MEMORY or</span></td></tr>
980<tr><td class="num" id="LN894">894</td><td class="line"> <span class='comment'>\c B_ENTRY_NOT_FOUND on error.</span></td></tr>
981<tr><td class="num" id="LN895">895</td><td class="line"><span class='comment'>*/</span></td></tr>
982<tr><td class="num" id="LN896">896</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
983<tr><td class="num" id="LN897">897</td><td class="line">create_new_vnode_and_lock(dev_t mountID, ino_t vnodeID, <span class='keyword'>struct</span> vnode*&amp; _vnode,</td></tr>
984<tr><td class="num" id="LN898">898</td><td class="line"> <span class='keyword'>bool</span>&amp; _nodeCreated)</td></tr>
985<tr><td class="num" id="LN899">899</td><td class="line">{</td></tr>
986<tr><td class="num" id="LN900">900</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"create_new_vnode_and_lock()\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
987<tr><td class="num" id="LN901">901</td><td class="line"> </td></tr>
988<tr><td class="num" id="LN902">902</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)malloc(<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> vnode));</td></tr>
989<tr><td class="num" id="LN903">903</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
990<tr><td class="num" id="LN904">904</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
991<tr><td class="num" id="LN905">905</td><td class="line"> </td></tr>
992<tr><td class="num" id="LN906">906</td><td class="line"> <span class='comment'>// initialize basic values</span></td></tr>
993<tr><td class="num" id="LN907">907</td><td class="line"> memset(vnode, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> vnode));</td></tr>
994<tr><td class="num" id="LN908">908</td><td class="line"> vnode-&gt;device = mountID;</td></tr>
995<tr><td class="num" id="LN909">909</td><td class="line"> vnode-&gt;id = vnodeID;</td></tr>
996<tr><td class="num" id="LN910">910</td><td class="line"> vnode-&gt;ref_count = 1;</td></tr>
997<tr><td class="num" id="LN911">911</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>true</span>);</td></tr>
998<tr><td class="num" id="LN912">912</td><td class="line"> </td></tr>
999<tr><td class="num" id="LN913">913</td><td class="line"> <span class='comment'>// look up the the node -- it might have been added by someone else in the</span></td></tr>
1000<tr><td class="num" id="LN914">914</td><td class="line"> <span class='comment'>// meantime</span></td></tr>
1001<tr><td class="num" id="LN915">915</td><td class="line"> rw_lock_write_lock(&amp;sVnodeLock);</td></tr>
1002<tr><td class="num" id="LN916">916</td><td class="line"> <span class='keyword'>struct</span> vnode* existingVnode = lookup_vnode(mountID, vnodeID);</td></tr>
1003<tr><td class="num" id="LN917">917</td><td class="line"> <span class='keyword'>if</span> (existingVnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1004<tr><td class="num" id="LN918">918</td><td class="line"> free(vnode);</td></tr>
1005<tr><td class="num" id="LN919">919</td><td class="line"> _vnode = existingVnode;</td></tr>
1006<tr><td class="num" id="LN920">920</td><td class="line"> _nodeCreated = <span class='keyword'>false</span>;</td></tr>
1007<tr><td class="num" id="LN921">921</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1008<tr><td class="num" id="LN922">922</td><td class="line"> }</td></tr>
1009<tr><td class="num" id="LN923">923</td><td class="line"> </td></tr>
1010<tr><td class="num" id="LN924">924</td><td class="line"> <span class='comment'>// get the mount structure</span></td></tr>
1011<tr><td class="num" id="LN925">925</td><td class="line"> mutex_lock(&amp;sMountMutex);</td></tr>
1012<tr><td class="num" id="LN926">926</td><td class="line"> vnode-&gt;mount = find_mount(mountID);</td></tr>
1013<tr><td class="num" id="LN927">927</td><td class="line"> <span class='keyword'>if</span> (!vnode-&gt;mount || vnode-&gt;mount-&gt;unmounting) {</td></tr>
1014<tr><td class="num" id="LN928">928</td><td class="line"> mutex_unlock(&amp;sMountMutex);</td></tr>
1015<tr><td class="num" id="LN929">929</td><td class="line"> rw_lock_write_unlock(&amp;sVnodeLock);</td></tr>
1016<tr><td class="num" id="LN930">930</td><td class="line"> free(vnode);</td></tr>
1017<tr><td class="num" id="LN931">931</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
1018<tr><td class="num" id="LN932">932</td><td class="line"> }</td></tr>
1019<tr><td class="num" id="LN933">933</td><td class="line"> </td></tr>
1020<tr><td class="num" id="LN934">934</td><td class="line"> <span class='comment'>// add the vnode to the mount's node list and the hash table</span></td></tr>
1021<tr><td class="num" id="LN935">935</td><td class="line"> hash_insert(sVnodeTable, vnode);</td></tr>
1022<tr><td class="num" id="LN936">936</td><td class="line"> add_vnode_to_mount_list(vnode, vnode-&gt;mount);</td></tr>
1023<tr><td class="num" id="LN937">937</td><td class="line"> </td></tr>
1024<tr><td class="num" id="LN938">938</td><td class="line"> mutex_unlock(&amp;sMountMutex);</td></tr>
1025<tr><td class="num" id="LN939">939</td><td class="line"> </td></tr>
1026<tr><td class="num" id="LN940">940</td><td class="line"> _vnode = vnode;</td></tr>
1027<tr><td class="num" id="LN941">941</td><td class="line"> _nodeCreated = <span class='keyword'>true</span>;</td></tr>
1028<tr><td class="num" id="LN942">942</td><td class="line"> </td></tr>
1029<tr><td class="num" id="LN943">943</td><td class="line"> <span class='comment'>// keep the vnode lock locked</span></td></tr>
1030<tr><td class="num" id="LN944">944</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1031<tr><td class="num" id="LN945">945</td><td class="line">}</td></tr>
1032<tr><td class="num" id="LN946">946</td><td class="line"> </td></tr>
1033<tr><td class="num" id="LN947">947</td><td class="line"> </td></tr>
1034<tr><td class="num" id="LN948">948</td><td class="line"><span class='comment'>/*! Frees the vnode and all resources it has acquired, and removes</span></td></tr>
1035<tr><td class="num" id="LN949">949</td><td class="line"> <span class='comment'>it from the vnode hash as well as from its mount structure.</span></td></tr>
1036<tr><td class="num" id="LN950">950</td><td class="line"> <span class='comment'>Will also make sure that any cache modifications are written back.</span></td></tr>
1037<tr><td class="num" id="LN951">951</td><td class="line"><span class='comment'>*/</span></td></tr>
1038<tr><td class="num" id="LN952">952</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
1039<tr><td class="num" id="LN953">953</td><td class="line">free_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> reenter)</td></tr>
1040<tr><td class="num" id="LN954">954</td><td class="line">{</td></tr>
1041<tr><td class="num" id="LN955">955</td><td class="line"> <span class='macro'>ASSERT_PRINT(vnode-&gt;ref_count == 0 &amp;&amp; vnode-&gt;IsBusy(), <span class='string_literal'>"vnode: %p\n"</span>,<span class='expansion'>do { if (!(vnode-&gt;ref_count == 0 &amp;&amp; vnode-&gt;IsBusy<br>())) { panic("ASSERT FAILED (%s:%d): %s; " "vnode: %p\n", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 956, "vnode-&gt;ref_count == 0 &amp;&amp; vnode-&gt;IsBusy()"<br>, vnode); } } while (0)</span></span></td></tr>
1042<tr><td class="num" id="LN956">956</td><td class="line"> <span class='macro'>vnode)<span class='expansion'>do { if (!(vnode-&gt;ref_count == 0 &amp;&amp; vnode-&gt;IsBusy<br>())) { panic("ASSERT FAILED (%s:%d): %s; " "vnode: %p\n", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 956, "vnode-&gt;ref_count == 0 &amp;&amp; vnode-&gt;IsBusy()"<br>, vnode); } } while (0)</span></span>;</td></tr>
1043<tr><td class="num" id="LN957">957</td><td class="line"> </td></tr>
1044<tr><td class="num" id="LN958">958</td><td class="line"> <span class='comment'>// write back any changes in this vnode's cache -- but only</span></td></tr>
1045<tr><td class="num" id="LN959">959</td><td class="line"> <span class='comment'>// if the vnode won't be deleted, in which case the changes</span></td></tr>
1046<tr><td class="num" id="LN960">960</td><td class="line"> <span class='comment'>// will be discarded</span></td></tr>
1047<tr><td class="num" id="LN961">961</td><td class="line"> </td></tr>
1048<tr><td class="num" id="LN962">962</td><td class="line"> <span class='keyword'>if</span> (!vnode-&gt;IsRemoved() &amp;&amp; <span class='macro'>HAS_FS_CALL(vnode, fsync)<span class='expansion'>(vnode-&gt;ops-&gt;fsync != __null)</span></span>)</td></tr>
1049<tr><td class="num" id="LN963">963</td><td class="line"> <span class='macro'>FS_CALL_NO_PARAMS(vnode, fsync)<span class='expansion'>( (vnode-&gt;ops-&gt;fsync != __null) ? vnode-&gt;ops-&gt;fsync<br>(vnode-&gt;mount-&gt;volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "fsync" " is NULL"), 0))</span></span>;</td></tr>
1050<tr><td class="num" id="LN964">964</td><td class="line"> </td></tr>
1051<tr><td class="num" id="LN965">965</td><td class="line"> <span class='comment'>// Note: If this vnode has a cache attached, there will still be two</span></td></tr>
1052<tr><td class="num" id="LN966">966</td><td class="line"> <span class='comment'>// references to that cache at this point. The last one belongs to the vnode</span></td></tr>
1053<tr><td class="num" id="LN967">967</td><td class="line"> <span class='comment'>// itself (cf. vfs_get_vnode_cache()) and one belongs to the node's file</span></td></tr>
1054<tr><td class="num" id="LN968">968</td><td class="line"> <span class='comment'>// cache. Each but the last reference to a cache also includes a reference</span></td></tr>
1055<tr><td class="num" id="LN969">969</td><td class="line"> <span class='comment'>// to the vnode. The file cache, however, released its reference (cf.</span></td></tr>
1056<tr><td class="num" id="LN970">970</td><td class="line"> <span class='comment'>// file_cache_create()), so that this vnode's ref count has the chance to</span></td></tr>
1057<tr><td class="num" id="LN971">971</td><td class="line"> <span class='comment'>// ever drop to 0. Deleting the file cache now, will cause the next to last</span></td></tr>
1058<tr><td class="num" id="LN972">972</td><td class="line"> <span class='comment'>// cache reference to be released, which will also release a (no longer</span></td></tr>
1059<tr><td class="num" id="LN973">973</td><td class="line"> <span class='comment'>// existing) vnode reference. To avoid problems, we set the vnode's ref</span></td></tr>
1060<tr><td class="num" id="LN974">974</td><td class="line"> <span class='comment'>// count, so that it will neither become negative nor 0.</span></td></tr>
1061<tr><td class="num" id="LN975">975</td><td class="line"> vnode-&gt;ref_count = 2;</td></tr>
1062<tr><td class="num" id="LN976">976</td><td class="line"> </td></tr>
1063<tr><td class="num" id="LN977">977</td><td class="line"> <span class='keyword'>if</span> (!vnode-&gt;IsUnpublished()) {</td></tr>
1064<tr><td class="num" id="LN978">978</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;IsRemoved())</td></tr>
1065<tr><td class="num" id="LN979">979</td><td class="line"> <span class='macro'>FS_CALL(vnode, remove_vnode, reenter)<span class='expansion'>( (vnode-&gt;ops-&gt;remove_vnode != __null) ? vnode-&gt;ops-&gt;<br>remove_vnode(vnode-&gt;mount-&gt;volume, vnode, reenter) : (panic<br>("FS_CALL op " "remove_vnode" " is NULL"), 0))</span></span>;</td></tr>
1066<tr><td class="num" id="LN980">980</td><td class="line"> <span class='keyword'>else</span></td></tr>
1067<tr><td class="num" id="LN981">981</td><td class="line"> <span class='macro'>FS_CALL(vnode, put_vnode, reenter)<span class='expansion'>( (vnode-&gt;ops-&gt;put_vnode != __null) ? vnode-&gt;ops-&gt;<br>put_vnode(vnode-&gt;mount-&gt;volume, vnode, reenter) : (panic<br>("FS_CALL op " "put_vnode" " is NULL"), 0))</span></span>;</td></tr>
1068<tr><td class="num" id="LN982">982</td><td class="line"> }</td></tr>
1069<tr><td class="num" id="LN983">983</td><td class="line"> </td></tr>
1070<tr><td class="num" id="LN984">984</td><td class="line"> <span class='comment'>// If the vnode has a VMCache attached, make sure that it won't try to get</span></td></tr>
1071<tr><td class="num" id="LN985">985</td><td class="line"> <span class='comment'>// another reference via VMVnodeCache::AcquireUnreferencedStoreRef(). As</span></td></tr>
1072<tr><td class="num" id="LN986">986</td><td class="line"> <span class='comment'>// long as the vnode is busy and in the hash, that won't happen, but as</span></td></tr>
1073<tr><td class="num" id="LN987">987</td><td class="line"> <span class='comment'>// soon as we've removed it from the hash, it could reload the vnode -- with</span></td></tr>
1074<tr><td class="num" id="LN988">988</td><td class="line"> <span class='comment'>// a new cache attached!</span></td></tr>
1075<tr><td class="num" id="LN989">989</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;cache != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1076<tr><td class="num" id="LN990">990</td><td class="line"> ((VMVnodeCache*)vnode-&gt;cache)-&gt;VnodeDeleted();</td></tr>
1077<tr><td class="num" id="LN991">991</td><td class="line"> </td></tr>
1078<tr><td class="num" id="LN992">992</td><td class="line"> <span class='comment'>// The file system has removed the resources of the vnode now, so we can</span></td></tr>
1079<tr><td class="num" id="LN993">993</td><td class="line"> <span class='comment'>// make it available again (by removing the busy vnode from the hash).</span></td></tr>
1080<tr><td class="num" id="LN994">994</td><td class="line"> rw_lock_write_lock(&amp;sVnodeLock);</td></tr>
1081<tr><td class="num" id="LN995">995</td><td class="line"> hash_remove(sVnodeTable, vnode);</td></tr>
1082<tr><td class="num" id="LN996">996</td><td class="line"> rw_lock_write_unlock(&amp;sVnodeLock);</td></tr>
1083<tr><td class="num" id="LN997">997</td><td class="line"> </td></tr>
1084<tr><td class="num" id="LN998">998</td><td class="line"> <span class='comment'>// if we have a VMCache attached, remove it</span></td></tr>
1085<tr><td class="num" id="LN999">999</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;cache)</td></tr>
1086<tr><td class="num" id="LN1000">1000</td><td class="line"> vnode-&gt;cache-&gt;ReleaseRef();</td></tr>
1087<tr><td class="num" id="LN1001">1001</td><td class="line"> </td></tr>
1088<tr><td class="num" id="LN1002">1002</td><td class="line"> vnode-&gt;cache = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1089<tr><td class="num" id="LN1003">1003</td><td class="line"> </td></tr>
1090<tr><td class="num" id="LN1004">1004</td><td class="line"> remove_vnode_from_mount_list(vnode, vnode-&gt;mount);</td></tr>
1091<tr><td class="num" id="LN1005">1005</td><td class="line"> </td></tr>
1092<tr><td class="num" id="LN1006">1006</td><td class="line"> free(vnode);</td></tr>
1093<tr><td class="num" id="LN1007">1007</td><td class="line">}</td></tr>
1094<tr><td class="num" id="LN1008">1008</td><td class="line"> </td></tr>
1095<tr><td class="num" id="LN1009">1009</td><td class="line"> </td></tr>
1096<tr><td class="num" id="LN1010">1010</td><td class="line"><span class='comment'>/*! \brief Decrements the reference counter of the given vnode and deletes it,</span></td></tr>
1097<tr><td class="num" id="LN1011">1011</td><td class="line"> <span class='comment'>if the counter dropped to 0.</span></td></tr>
1098<tr><td class="num" id="LN1012">1012</td><td class="line"> </td></tr>
1099<tr><td class="num" id="LN1013">1013</td><td class="line"> <span class='comment'>The caller must, of course, own a reference to the vnode to call this</span></td></tr>
1100<tr><td class="num" id="LN1014">1014</td><td class="line"> <span class='comment'>function.</span></td></tr>
1101<tr><td class="num" id="LN1015">1015</td><td class="line"> <span class='comment'>The caller must not hold the sVnodeLock or the sMountMutex.</span></td></tr>
1102<tr><td class="num" id="LN1016">1016</td><td class="line"> </td></tr>
1103<tr><td class="num" id="LN1017">1017</td><td class="line"> <span class='comment'>\param vnode the vnode.</span></td></tr>
1104<tr><td class="num" id="LN1018">1018</td><td class="line"> <span class='comment'>\param alwaysFree don't move this vnode into the unused list, but really</span></td></tr>
1105<tr><td class="num" id="LN1019">1019</td><td class="line"> <span class='comment'>delete it if possible.</span></td></tr>
1106<tr><td class="num" id="LN1020">1020</td><td class="line"> <span class='comment'>\param reenter \c true, if this function is called (indirectly) from within</span></td></tr>
1107<tr><td class="num" id="LN1021">1021</td><td class="line"> <span class='comment'>a file system. This will be passed to file system hooks only.</span></td></tr>
1108<tr><td class="num" id="LN1022">1022</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, an error code otherwise.</span></td></tr>
1109<tr><td class="num" id="LN1023">1023</td><td class="line"><span class='comment'>*/</span></td></tr>
1110<tr><td class="num" id="LN1024">1024</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1111<tr><td class="num" id="LN1025">1025</td><td class="line">dec_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> alwaysFree, <span class='keyword'>bool</span> reenter)</td></tr>
1112<tr><td class="num" id="LN1026">1026</td><td class="line">{</td></tr>
1113<tr><td class="num" id="LN1027">1027</td><td class="line"> ReadLocker locker(sVnodeLock);</td></tr>
1114<tr><td class="num" id="LN1028">1028</td><td class="line"> AutoLocker&lt;Vnode&gt; nodeLocker(vnode);</td></tr>
1115<tr><td class="num" id="LN1029">1029</td><td class="line"> </td></tr>
1116<tr><td class="num" id="LN1030">1030</td><td class="line"> int32 oldRefCount = <span class='macro'>atomic_add(&amp;vnode-&gt;ref_count, -1)<span class='expansion'>__sync_fetch_and_add(&amp;vnode-&gt;ref_count, -1)</span></span>;</td></tr>
1117<tr><td class="num" id="LN1031">1031</td><td class="line"> </td></tr>
1118<tr><td class="num" id="LN1032">1032</td><td class="line"> <span class='macro'>ASSERT_PRINT(oldRefCount &gt; 0, <span class='string_literal'>"vnode %p\n"</span>, vnode)<span class='expansion'>do { if (!(oldRefCount &gt; 0)) { panic("ASSERT FAILED (%s:%d): %s; "<br> "vnode %p\n", "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp"<br>, 1032, "oldRefCount &gt; 0", vnode); } } while (0)</span></span>;</td></tr>
1119<tr><td class="num" id="LN1033">1033</td><td class="line"> </td></tr>
1120<tr><td class="num" id="LN1034">1034</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"dec_vnode_ref_count: vnode %p, ref now %"</span> B_PRId32 <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
1121<tr><td class="num" id="LN1035">1035</td><td class="line"> <span class='macro'>vnode-&gt;ref_count))<span class='expansion'>;</span></span>;</td></tr>
1122<tr><td class="num" id="LN1036">1036</td><td class="line"> </td></tr>
1123<tr><td class="num" id="LN1037">1037</td><td class="line"> <span class='keyword'>if</span> (oldRefCount != 1)</td></tr>
1124<tr><td class="num" id="LN1038">1038</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1125<tr><td class="num" id="LN1039">1039</td><td class="line"> </td></tr>
1126<tr><td class="num" id="LN1040">1040</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;IsBusy())</td></tr>
1127<tr><td class="num" id="LN1041">1041</td><td class="line"> panic(<span class='string_literal'>"dec_vnode_ref_count: called on busy vnode %p\n"</span>, vnode);</td></tr>
1128<tr><td class="num" id="LN1042">1042</td><td class="line"> </td></tr>
1129<tr><td class="num" id="LN1043">1043</td><td class="line"> <span class='keyword'>bool</span> freeNode = <span class='keyword'>false</span>;</td></tr>
1130<tr><td class="num" id="LN1044">1044</td><td class="line"> <span class='keyword'>bool</span> freeUnusedNodes = <span class='keyword'>false</span>;</td></tr>
1131<tr><td class="num" id="LN1045">1045</td><td class="line"> </td></tr>
1132<tr><td class="num" id="LN1046">1046</td><td class="line"> <span class='comment'>// Just insert the vnode into an unused list if we don't need</span></td></tr>
1133<tr><td class="num" id="LN1047">1047</td><td class="line"> <span class='comment'>// to delete it</span></td></tr>
1134<tr><td class="num" id="LN1048">1048</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;IsRemoved() || alwaysFree) {</td></tr>
1135<tr><td class="num" id="LN1049">1049</td><td class="line"> vnode_to_be_freed(vnode);</td></tr>
1136<tr><td class="num" id="LN1050">1050</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>true</span>);</td></tr>
1137<tr><td class="num" id="LN1051">1051</td><td class="line"> freeNode = <span class='keyword'>true</span>;</td></tr>
1138<tr><td class="num" id="LN1052">1052</td><td class="line"> } <span class='keyword'>else</span></td></tr>
1139<tr><td class="num" id="LN1053">1053</td><td class="line"> freeUnusedNodes = vnode_unused(vnode);</td></tr>
1140<tr><td class="num" id="LN1054">1054</td><td class="line"> </td></tr>
1141<tr><td class="num" id="LN1055">1055</td><td class="line"> nodeLocker.Unlock();</td></tr>
1142<tr><td class="num" id="LN1056">1056</td><td class="line"> locker.Unlock();</td></tr>
1143<tr><td class="num" id="LN1057">1057</td><td class="line"> </td></tr>
1144<tr><td class="num" id="LN1058">1058</td><td class="line"> <span class='keyword'>if</span> (freeNode)</td></tr>
1145<tr><td class="num" id="LN1059">1059</td><td class="line"> free_vnode(vnode, reenter);</td></tr>
1146<tr><td class="num" id="LN1060">1060</td><td class="line"> <span class='keyword'>else</span> <span class='keyword'>if</span> (freeUnusedNodes)</td></tr>
1147<tr><td class="num" id="LN1061">1061</td><td class="line"> free_unused_vnodes();</td></tr>
1148<tr><td class="num" id="LN1062">1062</td><td class="line"> </td></tr>
1149<tr><td class="num" id="LN1063">1063</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1150<tr><td class="num" id="LN1064">1064</td><td class="line">}</td></tr>
1151<tr><td class="num" id="LN1065">1065</td><td class="line"> </td></tr>
1152<tr><td class="num" id="LN1066">1066</td><td class="line"> </td></tr>
1153<tr><td class="num" id="LN1067">1067</td><td class="line"><span class='comment'>/*! \brief Increments the reference counter of the given vnode.</span></td></tr>
1154<tr><td class="num" id="LN1068">1068</td><td class="line"> </td></tr>
1155<tr><td class="num" id="LN1069">1069</td><td class="line"> <span class='comment'>The caller must make sure that the node isn't deleted while this function</span></td></tr>
1156<tr><td class="num" id="LN1070">1070</td><td class="line"> <span class='comment'>is called. This can be done either:</span></td></tr>
1157<tr><td class="num" id="LN1071">1071</td><td class="line"> <span class='comment'>- by ensuring that a reference to the node exists and remains in existence,</span></td></tr>
1158<tr><td class="num" id="LN1072">1072</td><td class="line"> <span class='comment'>or</span></td></tr>
1159<tr><td class="num" id="LN1073">1073</td><td class="line"> <span class='comment'>- by holding the vnode's lock (which also requires read locking sVnodeLock)</span></td></tr>
1160<tr><td class="num" id="LN1074">1074</td><td class="line"> <span class='comment'>or by holding sVnodeLock write locked.</span></td></tr>
1161<tr><td class="num" id="LN1075">1075</td><td class="line"> </td></tr>
1162<tr><td class="num" id="LN1076">1076</td><td class="line"> <span class='comment'>In the second case the caller is responsible for dealing with the ref count</span></td></tr>
1163<tr><td class="num" id="LN1077">1077</td><td class="line"> <span class='comment'>0 -&gt; 1 transition. That is 1. this function must not be invoked when the</span></td></tr>
1164<tr><td class="num" id="LN1078">1078</td><td class="line"> <span class='comment'>node is busy in the first place and 2. vnode_used() must be called for the</span></td></tr>
1165<tr><td class="num" id="LN1079">1079</td><td class="line"> <span class='comment'>node.</span></td></tr>
1166<tr><td class="num" id="LN1080">1080</td><td class="line"> </td></tr>
1167<tr><td class="num" id="LN1081">1081</td><td class="line"> <span class='comment'>\param vnode the vnode.</span></td></tr>
1168<tr><td class="num" id="LN1082">1082</td><td class="line"><span class='comment'>*/</span></td></tr>
1169<tr><td class="num" id="LN1083">1083</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
1170<tr><td class="num" id="LN1084">1084</td><td class="line">inc_vnode_ref_count(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
1171<tr><td class="num" id="LN1085">1085</td><td class="line">{</td></tr>
1172<tr><td class="num" id="LN1086">1086</td><td class="line"> <span class='macro'>atomic_add(&amp;vnode-&gt;ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&amp;vnode-&gt;ref_count, 1)</span></span>;</td></tr>
1173<tr><td class="num" id="LN1087">1087</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"inc_vnode_ref_count: vnode %p, ref now %"</span> B_PRId32 <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
1174<tr><td class="num" id="LN1088">1088</td><td class="line"> <span class='macro'>vnode-&gt;ref_count))<span class='expansion'>;</span></span>;</td></tr>
1175<tr><td class="num" id="LN1089">1089</td><td class="line">}</td></tr>
1176<tr><td class="num" id="LN1090">1090</td><td class="line"> </td></tr>
1177<tr><td class="num" id="LN1091">1091</td><td class="line"> </td></tr>
1178<tr><td class="num" id="LN1092">1092</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
1179<tr><td class="num" id="LN1093">1093</td><td class="line">is_special_node_type(<span class='keyword'>int</span> type)</td></tr>
1180<tr><td class="num" id="LN1094">1094</td><td class="line">{</td></tr>
1181<tr><td class="num" id="LN1095">1095</td><td class="line"> <span class='comment'>// at the moment only FIFOs are supported</span></td></tr>
1182<tr><td class="num" id="LN1096">1096</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>S_ISFIFO(type)<span class='expansion'>(((type) &amp; 00000170000) == 00000010000)</span></span>;</td></tr>
1183<tr><td class="num" id="LN1097">1097</td><td class="line">}</td></tr>
1184<tr><td class="num" id="LN1098">1098</td><td class="line"> </td></tr>
1185<tr><td class="num" id="LN1099">1099</td><td class="line"> </td></tr>
1186<tr><td class="num" id="LN1100">1100</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1187<tr><td class="num" id="LN1101">1101</td><td class="line">create_special_sub_node(<span class='keyword'>struct</span> vnode* vnode, uint32 flags)</td></tr>
1188<tr><td class="num" id="LN1102">1102</td><td class="line">{</td></tr>
1189<tr><td class="num" id="LN1103">1103</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISFIFO(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000010000)</span></span>)</td></tr>
1190<tr><td class="num" id="LN1104">1104</td><td class="line"> <span class='keyword'>return</span> create_fifo_vnode(vnode-&gt;mount-&gt;volume, vnode);</td></tr>
1191<tr><td class="num" id="LN1105">1105</td><td class="line"> </td></tr>
1192<tr><td class="num" id="LN1106">1106</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
1193<tr><td class="num" id="LN1107">1107</td><td class="line">}</td></tr>
1194<tr><td class="num" id="LN1108">1108</td><td class="line"> </td></tr>
1195<tr><td class="num" id="LN1109">1109</td><td class="line"> </td></tr>
1196<tr><td class="num" id="LN1110">1110</td><td class="line"><span class='comment'>/*! \brief Retrieves a vnode for a given mount ID, node ID pair.</span></td></tr>
1197<tr><td class="num" id="LN1111">1111</td><td class="line"> </td></tr>
1198<tr><td class="num" id="LN1112">1112</td><td class="line"> <span class='comment'>If the node is not yet in memory, it will be loaded.</span></td></tr>
1199<tr><td class="num" id="LN1113">1113</td><td class="line"> </td></tr>
1200<tr><td class="num" id="LN1114">1114</td><td class="line"> <span class='comment'>The caller must not hold the sVnodeLock or the sMountMutex.</span></td></tr>
1201<tr><td class="num" id="LN1115">1115</td><td class="line"> </td></tr>
1202<tr><td class="num" id="LN1116">1116</td><td class="line"> <span class='comment'>\param mountID the mount ID.</span></td></tr>
1203<tr><td class="num" id="LN1117">1117</td><td class="line"> <span class='comment'>\param vnodeID the node ID.</span></td></tr>
1204<tr><td class="num" id="LN1118">1118</td><td class="line"> <span class='comment'>\param _vnode Pointer to a vnode* variable into which the pointer to the</span></td></tr>
1205<tr><td class="num" id="LN1119">1119</td><td class="line"> <span class='comment'>retrieved vnode structure shall be written.</span></td></tr>
1206<tr><td class="num" id="LN1120">1120</td><td class="line"> <span class='comment'>\param reenter \c true, if this function is called (indirectly) from within</span></td></tr>
1207<tr><td class="num" id="LN1121">1121</td><td class="line"> <span class='comment'>a file system.</span></td></tr>
1208<tr><td class="num" id="LN1122">1122</td><td class="line"> <span class='comment'>\return \c B_OK, if everything when fine, an error code otherwise.</span></td></tr>
1209<tr><td class="num" id="LN1123">1123</td><td class="line"><span class='comment'>*/</span></td></tr>
1210<tr><td class="num" id="LN1124">1124</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1211<tr><td class="num" id="LN1125">1125</td><td class="line">get_vnode(dev_t mountID, ino_t vnodeID, <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>bool</span> canWait,</td></tr>
1212<tr><td class="num" id="LN1126">1126</td><td class="line"> <span class='keyword'>int</span> reenter)</td></tr>
1213<tr><td class="num" id="LN1127">1127</td><td class="line">{</td></tr>
1214<tr><td class="num" id="LN1128">1128</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"get_vnode: mountid %"</span> B_PRId32 <span class='string_literal'>" vnid 0x%"</span> B_PRIx64 <span class='string_literal'>" %p\n"</span>,<span class='expansion'>;</span></span></td></tr>
1215<tr><td class="num" id="LN1129">1129</td><td class="line"> <span class='macro'>mountID, vnodeID, _vnode))<span class='expansion'>;</span></span>;</td></tr>
1216<tr><td class="num" id="LN1130">1130</td><td class="line"> </td></tr>
1217<tr><td class="num" id="LN1131">1131</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
1218<tr><td class="num" id="LN1132">1132</td><td class="line"> </td></tr>
1219<tr><td class="num" id="LN1133">1133</td><td class="line"> int32 tries = 2000;</td></tr>
1220<tr><td class="num" id="LN1134">1134</td><td class="line"> <span class='comment'>// try for 10 secs</span></td></tr>
1221<tr><td class="num" id="LN1135">1135</td><td class="line">restart:</td></tr>
1222<tr><td class="num" id="LN1136">1136</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(mountID, vnodeID);</td></tr>
1223<tr><td class="num" id="LN1137">1137</td><td class="line"> AutoLocker&lt;Vnode&gt; nodeLocker(vnode);</td></tr>
1224<tr><td class="num" id="LN1138">1138</td><td class="line"> </td></tr>
1225<tr><td class="num" id="LN1139">1139</td><td class="line"> <span class='keyword'>if</span> (vnode &amp;&amp; vnode-&gt;IsBusy()) {</td></tr>
1226<tr><td class="num" id="LN1140">1140</td><td class="line"> nodeLocker.Unlock();</td></tr>
1227<tr><td class="num" id="LN1141">1141</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
1228<tr><td class="num" id="LN1142">1142</td><td class="line"> <span class='keyword'>if</span> (!canWait || --tries &lt; 0) {</td></tr>
1229<tr><td class="num" id="LN1143">1143</td><td class="line"> <span class='comment'>// vnode doesn't seem to become unbusy</span></td></tr>
1230<tr><td class="num" id="LN1144">1144</td><td class="line"> dprintf(<span class='string_literal'>"vnode %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>":%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" is not becoming unbusy!\n"</span>,</td></tr>
1231<tr><td class="num" id="LN1145">1145</td><td class="line"> mountID, vnodeID);</td></tr>
1232<tr><td class="num" id="LN1146">1146</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
1233<tr><td class="num" id="LN1147">1147</td><td class="line"> }</td></tr>
1234<tr><td class="num" id="LN1148">1148</td><td class="line"> snooze(5000); <span class='comment'>// 5 ms</span></td></tr>
1235<tr><td class="num" id="LN1149">1149</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
1236<tr><td class="num" id="LN1150">1150</td><td class="line"> <span class='keyword'>goto</span> restart;</td></tr>
1237<tr><td class="num" id="LN1151">1151</td><td class="line"> }</td></tr>
1238<tr><td class="num" id="LN1152">1152</td><td class="line"> </td></tr>
1239<tr><td class="num" id="LN1153">1153</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"get_vnode: tried to lookup vnode, got %p\n"</span>, vnode))<span class='expansion'>;</span></span>;</td></tr>
1240<tr><td class="num" id="LN1154">1154</td><td class="line"> </td></tr>
1241<tr><td class="num" id="LN1155">1155</td><td class="line"> status_t status;</td></tr>
1242<tr><td class="num" id="LN1156">1156</td><td class="line"> </td></tr>
1243<tr><td class="num" id="LN1157">1157</td><td class="line"> <span class='keyword'>if</span> (vnode) {</td></tr>
1244<tr><td class="num" id="LN1158">1158</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;ref_count == 0) {</td></tr>
1245<tr><td class="num" id="LN1159">1159</td><td class="line"> <span class='comment'>// this vnode has been unused before</span></td></tr>
1246<tr><td class="num" id="LN1160">1160</td><td class="line"> vnode_used(vnode);</td></tr>
1247<tr><td class="num" id="LN1161">1161</td><td class="line"> }</td></tr>
1248<tr><td class="num" id="LN1162">1162</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
1249<tr><td class="num" id="LN1163">1163</td><td class="line"> </td></tr>
1250<tr><td class="num" id="LN1164">1164</td><td class="line"> nodeLocker.Unlock();</td></tr>
1251<tr><td class="num" id="LN1165">1165</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
1252<tr><td class="num" id="LN1166">1166</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
1253<tr><td class="num" id="LN1167">1167</td><td class="line"> <span class='comment'>// we need to create a new vnode and read it in</span></td></tr>
1254<tr><td class="num" id="LN1168">1168</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
1255<tr><td class="num" id="LN1169">1169</td><td class="line"> <span class='comment'>// unlock -- create_new_vnode_and_lock() write-locks on success</span></td></tr>
1256<tr><td class="num" id="LN1170">1170</td><td class="line"> <span class='keyword'>bool</span> nodeCreated;</td></tr>
1257<tr><td class="num" id="LN1171">1171</td><td class="line"> status = create_new_vnode_and_lock(mountID, vnodeID, vnode,</td></tr>
1258<tr><td class="num" id="LN1172">1172</td><td class="line"> nodeCreated);</td></tr>
1259<tr><td class="num" id="LN1173">1173</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
1260<tr><td class="num" id="LN1174">1174</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
1261<tr><td class="num" id="LN1175">1175</td><td class="line"> </td></tr>
1262<tr><td class="num" id="LN1176">1176</td><td class="line"> <span class='keyword'>if</span> (!nodeCreated) {</td></tr>
1263<tr><td class="num" id="LN1177">1177</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
1264<tr><td class="num" id="LN1178">1178</td><td class="line"> rw_lock_write_unlock(&amp;sVnodeLock);</td></tr>
1265<tr><td class="num" id="LN1179">1179</td><td class="line"> <span class='keyword'>goto</span> restart;</td></tr>
1266<tr><td class="num" id="LN1180">1180</td><td class="line"> }</td></tr>
1267<tr><td class="num" id="LN1181">1181</td><td class="line"> </td></tr>
1268<tr><td class="num" id="LN1182">1182</td><td class="line"> rw_lock_write_unlock(&amp;sVnodeLock);</td></tr>
1269<tr><td class="num" id="LN1183">1183</td><td class="line"> </td></tr>
1270<tr><td class="num" id="LN1184">1184</td><td class="line"> <span class='keyword'>int</span> type;</td></tr>
1271<tr><td class="num" id="LN1185">1185</td><td class="line"> uint32 flags;</td></tr>
1272<tr><td class="num" id="LN1186">1186</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(vnode-&gt;mount, get_vnode, vnodeID, vnode, &amp;type,<span class='expansion'>( (vnode-&gt;mount-&gt;volume-&gt;ops-&gt;get_vnode != __null<br>) ? vnode-&gt;mount-&gt;volume-&gt;ops-&gt;get_vnode(vnode-&gt;<br>mount-&gt;volume, vnodeID, vnode, &amp;type, &amp;flags, reenter<br>) : (panic("FS_MOUNT_CALL op " "get_vnode" " is NULL"), 0))</span></span></td></tr>
1273<tr><td class="num" id="LN1187">1187</td><td class="line"> <span class='macro'>&amp;flags, reenter)<span class='expansion'>( (vnode-&gt;mount-&gt;volume-&gt;ops-&gt;get_vnode != __null<br>) ? vnode-&gt;mount-&gt;volume-&gt;ops-&gt;get_vnode(vnode-&gt;<br>mount-&gt;volume, vnodeID, vnode, &amp;type, &amp;flags, reenter<br>) : (panic("FS_MOUNT_CALL op " "get_vnode" " is NULL"), 0))</span></span>;</td></tr>
1274<tr><td class="num" id="LN1188">1188</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; vnode-&gt;private_node == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1275<tr><td class="num" id="LN1189">1189</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
1276<tr><td class="num" id="LN1190">1190</td><td class="line"> </td></tr>
1277<tr><td class="num" id="LN1191">1191</td><td class="line"> <span class='keyword'>bool</span> gotNode = status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1278<tr><td class="num" id="LN1192">1192</td><td class="line"> <span class='keyword'>bool</span> publishSpecialSubNode = <span class='keyword'>false</span>;</td></tr>
1279<tr><td class="num" id="LN1193">1193</td><td class="line"> <span class='keyword'>if</span> (gotNode) {</td></tr>
1280<tr><td class="num" id="LN1194">1194</td><td class="line"> vnode-&gt;SetType(type);</td></tr>
1281<tr><td class="num" id="LN1195">1195</td><td class="line"> publishSpecialSubNode = is_special_node_type(type)</td></tr>
1282<tr><td class="num" id="LN1196">1196</td><td class="line"> &amp;&amp; (flags &amp; <span class='macro'>B_VNODE_DONT_CREATE_SPECIAL_SUB_NODE<span class='expansion'>0x02</span></span>) == 0;</td></tr>
1283<tr><td class="num" id="LN1197">1197</td><td class="line"> }</td></tr>
1284<tr><td class="num" id="LN1198">1198</td><td class="line"> </td></tr>
1285<tr><td class="num" id="LN1199">1199</td><td class="line"> <span class='keyword'>if</span> (gotNode &amp;&amp; publishSpecialSubNode)</td></tr>
1286<tr><td class="num" id="LN1200">1200</td><td class="line"> status = create_special_sub_node(vnode, flags);</td></tr>
1287<tr><td class="num" id="LN1201">1201</td><td class="line"> </td></tr>
1288<tr><td class="num" id="LN1202">1202</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
1289<tr><td class="num" id="LN1203">1203</td><td class="line"> <span class='keyword'>if</span> (gotNode)</td></tr>
1290<tr><td class="num" id="LN1204">1204</td><td class="line"> <span class='macro'>FS_CALL(vnode, put_vnode, reenter)<span class='expansion'>( (vnode-&gt;ops-&gt;put_vnode != __null) ? vnode-&gt;ops-&gt;<br>put_vnode(vnode-&gt;mount-&gt;volume, vnode, reenter) : (panic<br>("FS_CALL op " "put_vnode" " is NULL"), 0))</span></span>;</td></tr>
1291<tr><td class="num" id="LN1205">1205</td><td class="line"> </td></tr>
1292<tr><td class="num" id="LN1206">1206</td><td class="line"> rw_lock_write_lock(&amp;sVnodeLock);</td></tr>
1293<tr><td class="num" id="LN1207">1207</td><td class="line"> hash_remove(sVnodeTable, vnode);</td></tr>
1294<tr><td class="num" id="LN1208">1208</td><td class="line"> remove_vnode_from_mount_list(vnode, vnode-&gt;mount);</td></tr>
1295<tr><td class="num" id="LN1209">1209</td><td class="line"> rw_lock_write_unlock(&amp;sVnodeLock);</td></tr>
1296<tr><td class="num" id="LN1210">1210</td><td class="line"> </td></tr>
1297<tr><td class="num" id="LN1211">1211</td><td class="line"> free(vnode);</td></tr>
1298<tr><td class="num" id="LN1212">1212</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
1299<tr><td class="num" id="LN1213">1213</td><td class="line"> }</td></tr>
1300<tr><td class="num" id="LN1214">1214</td><td class="line"> </td></tr>
1301<tr><td class="num" id="LN1215">1215</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
1302<tr><td class="num" id="LN1216">1216</td><td class="line"> vnode-&gt;Lock();</td></tr>
1303<tr><td class="num" id="LN1217">1217</td><td class="line"> </td></tr>
1304<tr><td class="num" id="LN1218">1218</td><td class="line"> vnode-&gt;SetRemoved((flags &amp; <span class='macro'>B_VNODE_PUBLISH_REMOVED<span class='expansion'>0x01</span></span>) != 0);</td></tr>
1305<tr><td class="num" id="LN1219">1219</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>false</span>);</td></tr>
1306<tr><td class="num" id="LN1220">1220</td><td class="line"> </td></tr>
1307<tr><td class="num" id="LN1221">1221</td><td class="line"> vnode-&gt;Unlock();</td></tr>
1308<tr><td class="num" id="LN1222">1222</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
1309<tr><td class="num" id="LN1223">1223</td><td class="line"> }</td></tr>
1310<tr><td class="num" id="LN1224">1224</td><td class="line"> </td></tr>
1311<tr><td class="num" id="LN1225">1225</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"get_vnode: returning %p\n"</span>, vnode))<span class='expansion'>;</span></span>;</td></tr>
1312<tr><td class="num" id="LN1226">1226</td><td class="line"> </td></tr>
1313<tr><td class="num" id="LN1227">1227</td><td class="line"> *_vnode = vnode;</td></tr>
1314<tr><td class="num" id="LN1228">1228</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1315<tr><td class="num" id="LN1229">1229</td><td class="line">}</td></tr>
1316<tr><td class="num" id="LN1230">1230</td><td class="line"> </td></tr>
1317<tr><td class="num" id="LN1231">1231</td><td class="line"> </td></tr>
1318<tr><td class="num" id="LN1232">1232</td><td class="line"><span class='comment'>/*! \brief Decrements the reference counter of the given vnode and deletes it,</span></td></tr>
1319<tr><td class="num" id="LN1233">1233</td><td class="line"> <span class='comment'>if the counter dropped to 0.</span></td></tr>
1320<tr><td class="num" id="LN1234">1234</td><td class="line"> </td></tr>
1321<tr><td class="num" id="LN1235">1235</td><td class="line"> <span class='comment'>The caller must, of course, own a reference to the vnode to call this</span></td></tr>
1322<tr><td class="num" id="LN1236">1236</td><td class="line"> <span class='comment'>function.</span></td></tr>
1323<tr><td class="num" id="LN1237">1237</td><td class="line"> <span class='comment'>The caller must not hold the sVnodeLock or the sMountMutex.</span></td></tr>
1324<tr><td class="num" id="LN1238">1238</td><td class="line"> </td></tr>
1325<tr><td class="num" id="LN1239">1239</td><td class="line"> <span class='comment'>\param vnode the vnode.</span></td></tr>
1326<tr><td class="num" id="LN1240">1240</td><td class="line"><span class='comment'>*/</span></td></tr>
1327<tr><td class="num" id="LN1241">1241</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> <span class='keyword'>void</span></td></tr>
1328<tr><td class="num" id="LN1242">1242</td><td class="line">put_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
1329<tr><td class="num" id="LN1243">1243</td><td class="line">{</td></tr>
1330<tr><td class="num" id="LN1244">1244</td><td class="line"> dec_vnode_ref_count(vnode, <span class='keyword'>false</span>, <span class='keyword'>false</span>);</td></tr>
1331<tr><td class="num" id="LN1245">1245</td><td class="line">}</td></tr>
1332<tr><td class="num" id="LN1246">1246</td><td class="line"> </td></tr>
1333<tr><td class="num" id="LN1247">1247</td><td class="line"> </td></tr>
1334<tr><td class="num" id="LN1248">1248</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
1335<tr><td class="num" id="LN1249">1249</td><td class="line">free_unused_vnodes(int32 level)</td></tr>
1336<tr><td class="num" id="LN1250">1250</td><td class="line">{</td></tr>
1337<tr><td class="num" id="LN1251">1251</td><td class="line"> unused_vnodes_check_started();</td></tr>
1338<tr><td class="num" id="LN1252">1252</td><td class="line"> </td></tr>
1339<tr><td class="num" id="LN1253">1253</td><td class="line"> <span class='keyword'>if</span> (level == B_NO_LOW_RESOURCE) {</td></tr>
1340<tr><td class="num" id="LN1254">1254</td><td class="line"> unused_vnodes_check_done();</td></tr>
1341<tr><td class="num" id="LN1255">1255</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
1342<tr><td class="num" id="LN1256">1256</td><td class="line"> }</td></tr>
1343<tr><td class="num" id="LN1257">1257</td><td class="line"> </td></tr>
1344<tr><td class="num" id="LN1258">1258</td><td class="line"> flush_hot_vnodes();</td></tr>
1345<tr><td class="num" id="LN1259">1259</td><td class="line"> </td></tr>
1346<tr><td class="num" id="LN1260">1260</td><td class="line"> <span class='comment'>// determine how many nodes to free</span></td></tr>
1347<tr><td class="num" id="LN1261">1261</td><td class="line"> uint32 count = 1;</td></tr>
1348<tr><td class="num" id="LN1262">1262</td><td class="line"> {</td></tr>
1349<tr><td class="num" id="LN1263">1263</td><td class="line"> MutexLocker unusedVnodesLocker(sUnusedVnodesLock);</td></tr>
1350<tr><td class="num" id="LN1264">1264</td><td class="line"> </td></tr>
1351<tr><td class="num" id="LN1265">1265</td><td class="line"> <span class='keyword'>switch</span> (level) {</td></tr>
1352<tr><td class="num" id="LN1266">1266</td><td class="line"> <span class='keyword'>case</span> B_LOW_RESOURCE_NOTE:</td></tr>
1353<tr><td class="num" id="LN1267">1267</td><td class="line"> count = sUnusedVnodes / 100;</td></tr>
1354<tr><td class="num" id="LN1268">1268</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1355<tr><td class="num" id="LN1269">1269</td><td class="line"> <span class='keyword'>case</span> B_LOW_RESOURCE_WARNING:</td></tr>
1356<tr><td class="num" id="LN1270">1270</td><td class="line"> count = sUnusedVnodes / 10;</td></tr>
1357<tr><td class="num" id="LN1271">1271</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1358<tr><td class="num" id="LN1272">1272</td><td class="line"> <span class='keyword'>case</span> B_LOW_RESOURCE_CRITICAL:</td></tr>
1359<tr><td class="num" id="LN1273">1273</td><td class="line"> count = sUnusedVnodes;</td></tr>
1360<tr><td class="num" id="LN1274">1274</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1361<tr><td class="num" id="LN1275">1275</td><td class="line"> }</td></tr>
1362<tr><td class="num" id="LN1276">1276</td><td class="line"> </td></tr>
1363<tr><td class="num" id="LN1277">1277</td><td class="line"> <span class='keyword'>if</span> (count &gt; sUnusedVnodes)</td></tr>
1364<tr><td class="num" id="LN1278">1278</td><td class="line"> count = sUnusedVnodes;</td></tr>
1365<tr><td class="num" id="LN1279">1279</td><td class="line"> }</td></tr>
1366<tr><td class="num" id="LN1280">1280</td><td class="line"> </td></tr>
1367<tr><td class="num" id="LN1281">1281</td><td class="line"> <span class='comment'>// Write back the modified pages of some unused vnodes and free them.</span></td></tr>
1368<tr><td class="num" id="LN1282">1282</td><td class="line"> </td></tr>
1369<tr><td class="num" id="LN1283">1283</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i &lt; count; i++) {</td></tr>
1370<tr><td class="num" id="LN1284">1284</td><td class="line"> ReadLocker vnodesReadLocker(sVnodeLock);</td></tr>
1371<tr><td class="num" id="LN1285">1285</td><td class="line"> </td></tr>
1372<tr><td class="num" id="LN1286">1286</td><td class="line"> <span class='comment'>// get the first node</span></td></tr>
1373<tr><td class="num" id="LN1287">1287</td><td class="line"> MutexLocker unusedVnodesLocker(sUnusedVnodesLock);</td></tr>
1374<tr><td class="num" id="LN1288">1288</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = (<span class='keyword'>struct</span> vnode*)list_get_first_item(</td></tr>
1375<tr><td class="num" id="LN1289">1289</td><td class="line"> &amp;sUnusedVnodeList);</td></tr>
1376<tr><td class="num" id="LN1290">1290</td><td class="line"> unusedVnodesLocker.Unlock();</td></tr>
1377<tr><td class="num" id="LN1291">1291</td><td class="line"> </td></tr>
1378<tr><td class="num" id="LN1292">1292</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1379<tr><td class="num" id="LN1293">1293</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1380<tr><td class="num" id="LN1294">1294</td><td class="line"> </td></tr>
1381<tr><td class="num" id="LN1295">1295</td><td class="line"> <span class='comment'>// lock the node</span></td></tr>
1382<tr><td class="num" id="LN1296">1296</td><td class="line"> AutoLocker&lt;Vnode&gt; nodeLocker(vnode);</td></tr>
1383<tr><td class="num" id="LN1297">1297</td><td class="line"> </td></tr>
1384<tr><td class="num" id="LN1298">1298</td><td class="line"> <span class='comment'>// Check whether the node is still unused -- since we only append to the</span></td></tr>
1385<tr><td class="num" id="LN1299">1299</td><td class="line"> <span class='comment'>// the tail of the unused queue, the vnode should still be at its head.</span></td></tr>
1386<tr><td class="num" id="LN1300">1300</td><td class="line"> <span class='comment'>// Alternatively we could check its ref count for 0 and its busy flag,</span></td></tr>
1387<tr><td class="num" id="LN1301">1301</td><td class="line"> <span class='comment'>// but if the node is no longer at the head of the queue, it means it</span></td></tr>
1388<tr><td class="num" id="LN1302">1302</td><td class="line"> <span class='comment'>// has been touched in the meantime, i.e. it is no longer the least</span></td></tr>
1389<tr><td class="num" id="LN1303">1303</td><td class="line"> <span class='comment'>// recently used unused vnode and we rather don't free it.</span></td></tr>
1390<tr><td class="num" id="LN1304">1304</td><td class="line"> unusedVnodesLocker.Lock();</td></tr>
1391<tr><td class="num" id="LN1305">1305</td><td class="line"> <span class='keyword'>if</span> (vnode != list_get_first_item(&amp;sUnusedVnodeList))</td></tr>
1392<tr><td class="num" id="LN1306">1306</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
1393<tr><td class="num" id="LN1307">1307</td><td class="line"> unusedVnodesLocker.Unlock();</td></tr>
1394<tr><td class="num" id="LN1308">1308</td><td class="line"> </td></tr>
1395<tr><td class="num" id="LN1309">1309</td><td class="line"> <span class='macro'>ASSERT(!vnode-&gt;IsBusy())<span class='expansion'>do { if (!(!vnode-&gt;IsBusy())) { panic("ASSERT FAILED (%s:%d): %s"<br>, "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp", 1309<br>, "!vnode-&gt;IsBusy()"); } } while (0)</span></span>;</td></tr>
1396<tr><td class="num" id="LN1310">1310</td><td class="line"> </td></tr>
1397<tr><td class="num" id="LN1311">1311</td><td class="line"> <span class='comment'>// grab a reference</span></td></tr>
1398<tr><td class="num" id="LN1312">1312</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
1399<tr><td class="num" id="LN1313">1313</td><td class="line"> vnode_used(vnode);</td></tr>
1400<tr><td class="num" id="LN1314">1314</td><td class="line"> </td></tr>
1401<tr><td class="num" id="LN1315">1315</td><td class="line"> <span class='comment'>// write back changes and free the node</span></td></tr>
1402<tr><td class="num" id="LN1316">1316</td><td class="line"> nodeLocker.Unlock();</td></tr>
1403<tr><td class="num" id="LN1317">1317</td><td class="line"> vnodesReadLocker.Unlock();</td></tr>
1404<tr><td class="num" id="LN1318">1318</td><td class="line"> </td></tr>
1405<tr><td class="num" id="LN1319">1319</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;cache != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1406<tr><td class="num" id="LN1320">1320</td><td class="line"> vnode-&gt;cache-&gt;WriteModified();</td></tr>
1407<tr><td class="num" id="LN1321">1321</td><td class="line"> </td></tr>
1408<tr><td class="num" id="LN1322">1322</td><td class="line"> dec_vnode_ref_count(vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
1409<tr><td class="num" id="LN1323">1323</td><td class="line"> <span class='comment'>// this should free the vnode when it's still unused</span></td></tr>
1410<tr><td class="num" id="LN1324">1324</td><td class="line"> }</td></tr>
1411<tr><td class="num" id="LN1325">1325</td><td class="line"> </td></tr>
1412<tr><td class="num" id="LN1326">1326</td><td class="line"> unused_vnodes_check_done();</td></tr>
1413<tr><td class="num" id="LN1327">1327</td><td class="line">}</td></tr>
1414<tr><td class="num" id="LN1328">1328</td><td class="line"> </td></tr>
1415<tr><td class="num" id="LN1329">1329</td><td class="line"> </td></tr>
1416<tr><td class="num" id="LN1330">1330</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covering.</span></td></tr>
1417<tr><td class="num" id="LN1331">1331</td><td class="line"> </td></tr>
1418<tr><td class="num" id="LN1332">1332</td><td class="line"> <span class='comment'>The caller must have \c sVnodeLock read-locked at least.</span></td></tr>
1419<tr><td class="num" id="LN1333">1333</td><td class="line"> </td></tr>
1420<tr><td class="num" id="LN1334">1334</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
1421<tr><td class="num" id="LN1335">1335</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
1422<tr><td class="num" id="LN1336">1336</td><td class="line"> </td></tr>
1423<tr><td class="num" id="LN1337">1337</td><td class="line"> <span class='comment'>\param vnode The vnode whose covered node shall be returned.</span></td></tr>
1424<tr><td class="num" id="LN1338">1338</td><td class="line"> <span class='comment'>\return The covered vnode, or \c NULL if the given vnode doesn't cover any</span></td></tr>
1425<tr><td class="num" id="LN1339">1339</td><td class="line"> <span class='comment'>vnode.</span></td></tr>
1426<tr><td class="num" id="LN1340">1340</td><td class="line"><span class='comment'>*/</span></td></tr>
1427<tr><td class="num" id="LN1341">1341</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> Vnode*</td></tr>
1428<tr><td class="num" id="LN1342">1342</td><td class="line">get_covered_vnode_locked(Vnode* vnode)</td></tr>
1429<tr><td class="num" id="LN1343">1343</td><td class="line">{</td></tr>
1430<tr><td class="num" id="LN1344">1344</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredNode = vnode-&gt;covers) {</td></tr>
1431<tr><td class="num" id="LN1345">1345</td><td class="line"> <span class='keyword'>while</span> (coveredNode-&gt;covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1432<tr><td class="num" id="LN1346">1346</td><td class="line"> coveredNode = coveredNode-&gt;covers;</td></tr>
1433<tr><td class="num" id="LN1347">1347</td><td class="line"> </td></tr>
1434<tr><td class="num" id="LN1348">1348</td><td class="line"> inc_vnode_ref_count(coveredNode);</td></tr>
1435<tr><td class="num" id="LN1349">1349</td><td class="line"> <span class='keyword'>return</span> coveredNode;</td></tr>
1436<tr><td class="num" id="LN1350">1350</td><td class="line"> }</td></tr>
1437<tr><td class="num" id="LN1351">1351</td><td class="line"> </td></tr>
1438<tr><td class="num" id="LN1352">1352</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1439<tr><td class="num" id="LN1353">1353</td><td class="line">}</td></tr>
1440<tr><td class="num" id="LN1354">1354</td><td class="line"> </td></tr>
1441<tr><td class="num" id="LN1355">1355</td><td class="line"> </td></tr>
1442<tr><td class="num" id="LN1356">1356</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covering.</span></td></tr>
1443<tr><td class="num" id="LN1357">1357</td><td class="line"> </td></tr>
1444<tr><td class="num" id="LN1358">1358</td><td class="line"> <span class='comment'>The caller must not hold \c sVnodeLock. Note that this implies a race</span></td></tr>
1445<tr><td class="num" id="LN1359">1359</td><td class="line"> <span class='comment'>condition, since the situation can change at any time.</span></td></tr>
1446<tr><td class="num" id="LN1360">1360</td><td class="line"> </td></tr>
1447<tr><td class="num" id="LN1361">1361</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
1448<tr><td class="num" id="LN1362">1362</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
1449<tr><td class="num" id="LN1363">1363</td><td class="line"> </td></tr>
1450<tr><td class="num" id="LN1364">1364</td><td class="line"> <span class='comment'>\param vnode The vnode whose covered node shall be returned.</span></td></tr>
1451<tr><td class="num" id="LN1365">1365</td><td class="line"> <span class='comment'>\return The covered vnode, or \c NULL if the given vnode doesn't cover any</span></td></tr>
1452<tr><td class="num" id="LN1366">1366</td><td class="line"> <span class='comment'>vnode.</span></td></tr>
1453<tr><td class="num" id="LN1367">1367</td><td class="line"><span class='comment'>*/</span></td></tr>
1454<tr><td class="num" id="LN1368">1368</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> Vnode*</td></tr>
1455<tr><td class="num" id="LN1369">1369</td><td class="line">get_covered_vnode(Vnode* vnode)</td></tr>
1456<tr><td class="num" id="LN1370">1370</td><td class="line">{</td></tr>
1457<tr><td class="num" id="LN1371">1371</td><td class="line"> <span class='keyword'>if</span> (!vnode-&gt;IsCovering())</td></tr>
1458<tr><td class="num" id="LN1372">1372</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1459<tr><td class="num" id="LN1373">1373</td><td class="line"> </td></tr>
1460<tr><td class="num" id="LN1374">1374</td><td class="line"> ReadLocker vnodeReadLocker(sVnodeLock);</td></tr>
1461<tr><td class="num" id="LN1375">1375</td><td class="line"> <span class='keyword'>return</span> get_covered_vnode_locked(vnode);</td></tr>
1462<tr><td class="num" id="LN1376">1376</td><td class="line">}</td></tr>
1463<tr><td class="num" id="LN1377">1377</td><td class="line"> </td></tr>
1464<tr><td class="num" id="LN1378">1378</td><td class="line"> </td></tr>
1465<tr><td class="num" id="LN1379">1379</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covered by.</span></td></tr>
1466<tr><td class="num" id="LN1380">1380</td><td class="line"> </td></tr>
1467<tr><td class="num" id="LN1381">1381</td><td class="line"> <span class='comment'>The caller must have \c sVnodeLock read-locked at least.</span></td></tr>
1468<tr><td class="num" id="LN1382">1382</td><td class="line"> </td></tr>
1469<tr><td class="num" id="LN1383">1383</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
1470<tr><td class="num" id="LN1384">1384</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
1471<tr><td class="num" id="LN1385">1385</td><td class="line"> </td></tr>
1472<tr><td class="num" id="LN1386">1386</td><td class="line"> <span class='comment'>\param vnode The vnode whose covering node shall be returned.</span></td></tr>
1473<tr><td class="num" id="LN1387">1387</td><td class="line"> <span class='comment'>\return The covering vnode, or \c NULL if the given vnode isn't covered by</span></td></tr>
1474<tr><td class="num" id="LN1388">1388</td><td class="line"> <span class='comment'>any vnode.</span></td></tr>
1475<tr><td class="num" id="LN1389">1389</td><td class="line"><span class='comment'>*/</span></td></tr>
1476<tr><td class="num" id="LN1390">1390</td><td class="line"><span class='keyword'>static</span> Vnode*</td></tr>
1477<tr><td class="num" id="LN1391">1391</td><td class="line">get_covering_vnode_locked(Vnode* vnode)</td></tr>
1478<tr><td class="num" id="LN1392">1392</td><td class="line">{</td></tr>
1479<tr><td class="num" id="LN1393">1393</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = vnode-&gt;covered_by) {</td></tr>
1480<tr><td class="num" id="LN1394">1394</td><td class="line"> <span class='keyword'>while</span> (coveringNode-&gt;covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1481<tr><td class="num" id="LN1395">1395</td><td class="line"> coveringNode = coveringNode-&gt;covered_by;</td></tr>
1482<tr><td class="num" id="LN1396">1396</td><td class="line"> </td></tr>
1483<tr><td class="num" id="LN1397">1397</td><td class="line"> inc_vnode_ref_count(coveringNode);</td></tr>
1484<tr><td class="num" id="LN1398">1398</td><td class="line"> <span class='keyword'>return</span> coveringNode;</td></tr>
1485<tr><td class="num" id="LN1399">1399</td><td class="line"> }</td></tr>
1486<tr><td class="num" id="LN1400">1400</td><td class="line"> </td></tr>
1487<tr><td class="num" id="LN1401">1401</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1488<tr><td class="num" id="LN1402">1402</td><td class="line">}</td></tr>
1489<tr><td class="num" id="LN1403">1403</td><td class="line"> </td></tr>
1490<tr><td class="num" id="LN1404">1404</td><td class="line"> </td></tr>
1491<tr><td class="num" id="LN1405">1405</td><td class="line"><span class='comment'>/*! Gets the vnode the given vnode is covered by.</span></td></tr>
1492<tr><td class="num" id="LN1406">1406</td><td class="line"> </td></tr>
1493<tr><td class="num" id="LN1407">1407</td><td class="line"> <span class='comment'>The caller must not hold \c sVnodeLock. Note that this implies a race</span></td></tr>
1494<tr><td class="num" id="LN1408">1408</td><td class="line"> <span class='comment'>condition, since the situation can change at any time.</span></td></tr>
1495<tr><td class="num" id="LN1409">1409</td><td class="line"> </td></tr>
1496<tr><td class="num" id="LN1410">1410</td><td class="line"> <span class='comment'>The function returns a reference to the retrieved vnode (if any), the caller</span></td></tr>
1497<tr><td class="num" id="LN1411">1411</td><td class="line"> <span class='comment'>is responsible to free.</span></td></tr>
1498<tr><td class="num" id="LN1412">1412</td><td class="line"> </td></tr>
1499<tr><td class="num" id="LN1413">1413</td><td class="line"> <span class='comment'>\param vnode The vnode whose covering node shall be returned.</span></td></tr>
1500<tr><td class="num" id="LN1414">1414</td><td class="line"> <span class='comment'>\return The covering vnode, or \c NULL if the given vnode isn't covered by</span></td></tr>
1501<tr><td class="num" id="LN1415">1415</td><td class="line"> <span class='comment'>any vnode.</span></td></tr>
1502<tr><td class="num" id="LN1416">1416</td><td class="line"><span class='comment'>*/</span></td></tr>
1503<tr><td class="num" id="LN1417">1417</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> Vnode*</td></tr>
1504<tr><td class="num" id="LN1418">1418</td><td class="line">get_covering_vnode(Vnode* vnode)</td></tr>
1505<tr><td class="num" id="LN1419">1419</td><td class="line">{</td></tr>
1506<tr><td class="num" id="LN1420">1420</td><td class="line"> <span class='keyword'>if</span> (!vnode-&gt;IsCovered())</td></tr>
1507<tr><td class="num" id="LN1421">1421</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1508<tr><td class="num" id="LN1422">1422</td><td class="line"> </td></tr>
1509<tr><td class="num" id="LN1423">1423</td><td class="line"> ReadLocker vnodeReadLocker(sVnodeLock);</td></tr>
1510<tr><td class="num" id="LN1424">1424</td><td class="line"> <span class='keyword'>return</span> get_covering_vnode_locked(vnode);</td></tr>
1511<tr><td class="num" id="LN1425">1425</td><td class="line">}</td></tr>
1512<tr><td class="num" id="LN1426">1426</td><td class="line"> </td></tr>
1513<tr><td class="num" id="LN1427">1427</td><td class="line"> </td></tr>
1514<tr><td class="num" id="LN1428">1428</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
1515<tr><td class="num" id="LN1429">1429</td><td class="line">free_unused_vnodes()</td></tr>
1516<tr><td class="num" id="LN1430">1430</td><td class="line">{</td></tr>
1517<tr><td class="num" id="LN1431">1431</td><td class="line"> free_unused_vnodes(</td></tr>
1518<tr><td class="num" id="LN1432">1432</td><td class="line"> low_resource_state(B_KERNEL_RESOURCE_PAGES | B_KERNEL_RESOURCE_MEMORY</td></tr>
1519<tr><td class="num" id="LN1433">1433</td><td class="line"> | B_KERNEL_RESOURCE_ADDRESS_SPACE));</td></tr>
1520<tr><td class="num" id="LN1434">1434</td><td class="line">}</td></tr>
1521<tr><td class="num" id="LN1435">1435</td><td class="line"> </td></tr>
1522<tr><td class="num" id="LN1436">1436</td><td class="line"> </td></tr>
1523<tr><td class="num" id="LN1437">1437</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
1524<tr><td class="num" id="LN1438">1438</td><td class="line">vnode_low_resource_handler(<span class='keyword'>void</span>* <span class='comment'>/*data*/</span>, uint32 resources, int32 level)</td></tr>
1525<tr><td class="num" id="LN1439">1439</td><td class="line">{</td></tr>
1526<tr><td class="num" id="LN1440">1440</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vnode_low_resource_handler(level = %"</span> B_PRId32 <span class='string_literal'>")\n"</span>, level))<span class='expansion'>;</span></span>;</td></tr>
1527<tr><td class="num" id="LN1441">1441</td><td class="line"> </td></tr>
1528<tr><td class="num" id="LN1442">1442</td><td class="line"> free_unused_vnodes(level);</td></tr>
1529<tr><td class="num" id="LN1443">1443</td><td class="line">}</td></tr>
1530<tr><td class="num" id="LN1444">1444</td><td class="line"> </td></tr>
1531<tr><td class="num" id="LN1445">1445</td><td class="line"> </td></tr>
1532<tr><td class="num" id="LN1446">1446</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>inline</span> <span class='keyword'>void</span></td></tr>
1533<tr><td class="num" id="LN1447">1447</td><td class="line">put_advisory_locking(<span class='keyword'>struct</span> advisory_locking* locking)</td></tr>
1534<tr><td class="num" id="LN1448">1448</td><td class="line">{</td></tr>
1535<tr><td class="num" id="LN1449">1449</td><td class="line"> release_sem(locking-&gt;lock);</td></tr>
1536<tr><td class="num" id="LN1450">1450</td><td class="line">}</td></tr>
1537<tr><td class="num" id="LN1451">1451</td><td class="line"> </td></tr>
1538<tr><td class="num" id="LN1452">1452</td><td class="line"> </td></tr>
1539<tr><td class="num" id="LN1453">1453</td><td class="line"><span class='comment'>/*! Returns the advisory_locking object of the \a vnode in case it</span></td></tr>
1540<tr><td class="num" id="LN1454">1454</td><td class="line"> <span class='comment'>has one, and locks it.</span></td></tr>
1541<tr><td class="num" id="LN1455">1455</td><td class="line"> <span class='comment'>You have to call put_advisory_locking() when you're done with</span></td></tr>
1542<tr><td class="num" id="LN1456">1456</td><td class="line"> <span class='comment'>it.</span></td></tr>
1543<tr><td class="num" id="LN1457">1457</td><td class="line"> <span class='comment'>Note, you must not have the vnode mutex locked when calling</span></td></tr>
1544<tr><td class="num" id="LN1458">1458</td><td class="line"> <span class='comment'>this function.</span></td></tr>
1545<tr><td class="num" id="LN1459">1459</td><td class="line"><span class='comment'>*/</span></td></tr>
1546<tr><td class="num" id="LN1460">1460</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> advisory_locking*</td></tr>
1547<tr><td class="num" id="LN1461">1461</td><td class="line">get_advisory_locking(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
1548<tr><td class="num" id="LN1462">1462</td><td class="line">{</td></tr>
1549<tr><td class="num" id="LN1463">1463</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
1550<tr><td class="num" id="LN1464">1464</td><td class="line"> vnode-&gt;Lock();</td></tr>
1551<tr><td class="num" id="LN1465">1465</td><td class="line"> </td></tr>
1552<tr><td class="num" id="LN1466">1466</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = vnode-&gt;advisory_locking;</td></tr>
1553<tr><td class="num" id="LN1467">1467</td><td class="line"> sem_id lock = locking != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? locking-&gt;lock : <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
1554<tr><td class="num" id="LN1468">1468</td><td class="line"> </td></tr>
1555<tr><td class="num" id="LN1469">1469</td><td class="line"> vnode-&gt;Unlock();</td></tr>
1556<tr><td class="num" id="LN1470">1470</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
1557<tr><td class="num" id="LN1471">1471</td><td class="line"> </td></tr>
1558<tr><td class="num" id="LN1472">1472</td><td class="line"> <span class='keyword'>if</span> (lock &gt;= 0)</td></tr>
1559<tr><td class="num" id="LN1473">1473</td><td class="line"> lock = acquire_sem(lock);</td></tr>
1560<tr><td class="num" id="LN1474">1474</td><td class="line"> <span class='keyword'>if</span> (lock &lt; 0) {</td></tr>
1561<tr><td class="num" id="LN1475">1475</td><td class="line"> <span class='comment'>// This means the locking has been deleted in the mean time</span></td></tr>
1562<tr><td class="num" id="LN1476">1476</td><td class="line"> <span class='comment'>// or had never existed in the first place - otherwise, we</span></td></tr>
1563<tr><td class="num" id="LN1477">1477</td><td class="line"> <span class='comment'>// would get the lock at some point.</span></td></tr>
1564<tr><td class="num" id="LN1478">1478</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1565<tr><td class="num" id="LN1479">1479</td><td class="line"> }</td></tr>
1566<tr><td class="num" id="LN1480">1480</td><td class="line"> </td></tr>
1567<tr><td class="num" id="LN1481">1481</td><td class="line"> <span class='keyword'>return</span> locking;</td></tr>
1568<tr><td class="num" id="LN1482">1482</td><td class="line">}</td></tr>
1569<tr><td class="num" id="LN1483">1483</td><td class="line"> </td></tr>
1570<tr><td class="num" id="LN1484">1484</td><td class="line"> </td></tr>
1571<tr><td class="num" id="LN1485">1485</td><td class="line"><span class='comment'>/*! Creates a locked advisory_locking object, and attaches it to the</span></td></tr>
1572<tr><td class="num" id="LN1486">1486</td><td class="line"> <span class='comment'>given \a vnode.</span></td></tr>
1573<tr><td class="num" id="LN1487">1487</td><td class="line"> <span class='comment'>Returns B_OK in case of success - also if the vnode got such an</span></td></tr>
1574<tr><td class="num" id="LN1488">1488</td><td class="line"> <span class='comment'>object from someone else in the mean time, you'll still get this</span></td></tr>
1575<tr><td class="num" id="LN1489">1489</td><td class="line"> <span class='comment'>one locked then.</span></td></tr>
1576<tr><td class="num" id="LN1490">1490</td><td class="line"><span class='comment'>*/</span></td></tr>
1577<tr><td class="num" id="LN1491">1491</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1578<tr><td class="num" id="LN1492">1492</td><td class="line">create_advisory_locking(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
1579<tr><td class="num" id="LN1493">1493</td><td class="line">{</td></tr>
1580<tr><td class="num" id="LN1494">1494</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1581<tr><td class="num" id="LN1495">1495</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
1582<tr><td class="num" id="LN1496">1496</td><td class="line"> </td></tr>
1583<tr><td class="num" id="LN1497">1497</td><td class="line"> ObjectDeleter&lt;advisory_locking&gt; lockingDeleter;</td></tr>
1584<tr><td class="num" id="LN1498">1498</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1585<tr><td class="num" id="LN1499">1499</td><td class="line"> </td></tr>
1586<tr><td class="num" id="LN1500">1500</td><td class="line"> <span class='keyword'>while</span> (get_advisory_locking(vnode) == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1587<tr><td class="num" id="LN1501">1501</td><td class="line"> <span class='comment'>// no locking object set on the vnode yet, create one</span></td></tr>
1588<tr><td class="num" id="LN1502">1502</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1589<tr><td class="num" id="LN1503">1503</td><td class="line"> locking = <span class='keyword'>new</span>(std::nothrow) advisory_locking;</td></tr>
1590<tr><td class="num" id="LN1504">1504</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1591<tr><td class="num" id="LN1505">1505</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
1592<tr><td class="num" id="LN1506">1506</td><td class="line"> lockingDeleter.SetTo(locking);</td></tr>
1593<tr><td class="num" id="LN1507">1507</td><td class="line"> </td></tr>
1594<tr><td class="num" id="LN1508">1508</td><td class="line"> locking-&gt;wait_sem = create_sem(0, <span class='string_literal'>"advisory lock"</span>);</td></tr>
1595<tr><td class="num" id="LN1509">1509</td><td class="line"> <span class='keyword'>if</span> (locking-&gt;wait_sem &lt; 0)</td></tr>
1596<tr><td class="num" id="LN1510">1510</td><td class="line"> <span class='keyword'>return</span> locking-&gt;wait_sem;</td></tr>
1597<tr><td class="num" id="LN1511">1511</td><td class="line"> </td></tr>
1598<tr><td class="num" id="LN1512">1512</td><td class="line"> locking-&gt;lock = create_sem(0, <span class='string_literal'>"advisory locking"</span>);</td></tr>
1599<tr><td class="num" id="LN1513">1513</td><td class="line"> <span class='keyword'>if</span> (locking-&gt;lock &lt; 0)</td></tr>
1600<tr><td class="num" id="LN1514">1514</td><td class="line"> <span class='keyword'>return</span> locking-&gt;lock;</td></tr>
1601<tr><td class="num" id="LN1515">1515</td><td class="line"> }</td></tr>
1602<tr><td class="num" id="LN1516">1516</td><td class="line"> </td></tr>
1603<tr><td class="num" id="LN1517">1517</td><td class="line"> <span class='comment'>// set our newly created locking object</span></td></tr>
1604<tr><td class="num" id="LN1518">1518</td><td class="line"> ReadLocker _(sVnodeLock);</td></tr>
1605<tr><td class="num" id="LN1519">1519</td><td class="line"> AutoLocker&lt;Vnode&gt; nodeLocker(vnode);</td></tr>
1606<tr><td class="num" id="LN1520">1520</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;advisory_locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1607<tr><td class="num" id="LN1521">1521</td><td class="line"> vnode-&gt;advisory_locking = locking;</td></tr>
1608<tr><td class="num" id="LN1522">1522</td><td class="line"> lockingDeleter.Detach();</td></tr>
1609<tr><td class="num" id="LN1523">1523</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1610<tr><td class="num" id="LN1524">1524</td><td class="line"> }</td></tr>
1611<tr><td class="num" id="LN1525">1525</td><td class="line"> }</td></tr>
1612<tr><td class="num" id="LN1526">1526</td><td class="line"> </td></tr>
1613<tr><td class="num" id="LN1527">1527</td><td class="line"> <span class='comment'>// The vnode already had a locking object. That's just as well.</span></td></tr>
1614<tr><td class="num" id="LN1528">1528</td><td class="line"> </td></tr>
1615<tr><td class="num" id="LN1529">1529</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1616<tr><td class="num" id="LN1530">1530</td><td class="line">}</td></tr>
1617<tr><td class="num" id="LN1531">1531</td><td class="line"> </td></tr>
1618<tr><td class="num" id="LN1532">1532</td><td class="line"> </td></tr>
1619<tr><td class="num" id="LN1533">1533</td><td class="line"><span class='comment'>/*! Returns \c true when either \a flock is \c NULL or the \a flock intersects</span></td></tr>
1620<tr><td class="num" id="LN1534">1534</td><td class="line"> <span class='comment'>with the advisory_lock \a lock.</span></td></tr>
1621<tr><td class="num" id="LN1535">1535</td><td class="line"><span class='comment'>*/</span></td></tr>
1622<tr><td class="num" id="LN1536">1536</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
1623<tr><td class="num" id="LN1537">1537</td><td class="line">advisory_lock_intersects(<span class='keyword'>struct</span> advisory_lock* lock, <span class='keyword'>struct</span> flock* flock)</td></tr>
1624<tr><td class="num" id="LN1538">1538</td><td class="line">{</td></tr>
1625<tr><td class="num" id="LN1539">1539</td><td class="line"> <span class='keyword'>if</span> (flock == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1626<tr><td class="num" id="LN1540">1540</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
1627<tr><td class="num" id="LN1541">1541</td><td class="line"> </td></tr>
1628<tr><td class="num" id="LN1542">1542</td><td class="line"> <span class='keyword'>return</span> lock-&gt;start &lt;= flock-&gt;l_start - 1 + flock-&gt;l_len</td></tr>
1629<tr><td class="num" id="LN1543">1543</td><td class="line"> &amp;&amp; lock-&gt;end &gt;= flock-&gt;l_start;</td></tr>
1630<tr><td class="num" id="LN1544">1544</td><td class="line">}</td></tr>
1631<tr><td class="num" id="LN1545">1545</td><td class="line"> </td></tr>
1632<tr><td class="num" id="LN1546">1546</td><td class="line"> </td></tr>
1633<tr><td class="num" id="LN1547">1547</td><td class="line"><span class='comment'>/*! Tests whether acquiring a lock would block.</span></td></tr>
1634<tr><td class="num" id="LN1548">1548</td><td class="line"><span class='comment'>*/</span></td></tr>
1635<tr><td class="num" id="LN1549">1549</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1636<tr><td class="num" id="LN1550">1550</td><td class="line">test_advisory_lock(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> flock* flock)</td></tr>
1637<tr><td class="num" id="LN1551">1551</td><td class="line">{</td></tr>
1638<tr><td class="num" id="LN1552">1552</td><td class="line"> flock-&gt;l_type = <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>;</td></tr>
1639<tr><td class="num" id="LN1553">1553</td><td class="line"> </td></tr>
1640<tr><td class="num" id="LN1554">1554</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = get_advisory_locking(vnode);</td></tr>
1641<tr><td class="num" id="LN1555">1555</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1642<tr><td class="num" id="LN1556">1556</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1643<tr><td class="num" id="LN1557">1557</td><td class="line"> </td></tr>
1644<tr><td class="num" id="LN1558">1558</td><td class="line"> team_id team = team_get_current_team_id();</td></tr>
1645<tr><td class="num" id="LN1559">1559</td><td class="line"> </td></tr>
1646<tr><td class="num" id="LN1560">1560</td><td class="line"> LockList::Iterator iterator = locking-&gt;locks.GetIterator();</td></tr>
1647<tr><td class="num" id="LN1561">1561</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
1648<tr><td class="num" id="LN1562">1562</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
1649<tr><td class="num" id="LN1563">1563</td><td class="line"> </td></tr>
1650<tr><td class="num" id="LN1564">1564</td><td class="line"> <span class='keyword'>if</span> (lock-&gt;team != team &amp;&amp; advisory_lock_intersects(lock, flock)) {</td></tr>
1651<tr><td class="num" id="LN1565">1565</td><td class="line"> <span class='comment'>// locks do overlap</span></td></tr>
1652<tr><td class="num" id="LN1566">1566</td><td class="line"> <span class='keyword'>if</span> (flock-&gt;l_type != <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span> || !lock-&gt;shared) {</td></tr>
1653<tr><td class="num" id="LN1567">1567</td><td class="line"> <span class='comment'>// collision</span></td></tr>
1654<tr><td class="num" id="LN1568">1568</td><td class="line"> flock-&gt;l_type = lock-&gt;shared ? <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span> : <span class='macro'>F_WRLCK<span class='expansion'>0x0400</span></span>;</td></tr>
1655<tr><td class="num" id="LN1569">1569</td><td class="line"> flock-&gt;l_whence = <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>;</td></tr>
1656<tr><td class="num" id="LN1570">1570</td><td class="line"> flock-&gt;l_start = lock-&gt;start;</td></tr>
1657<tr><td class="num" id="LN1571">1571</td><td class="line"> flock-&gt;l_len = lock-&gt;end - lock-&gt;start + 1;</td></tr>
1658<tr><td class="num" id="LN1572">1572</td><td class="line"> flock-&gt;l_pid = lock-&gt;team;</td></tr>
1659<tr><td class="num" id="LN1573">1573</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1660<tr><td class="num" id="LN1574">1574</td><td class="line"> }</td></tr>
1661<tr><td class="num" id="LN1575">1575</td><td class="line"> }</td></tr>
1662<tr><td class="num" id="LN1576">1576</td><td class="line"> }</td></tr>
1663<tr><td class="num" id="LN1577">1577</td><td class="line"> </td></tr>
1664<tr><td class="num" id="LN1578">1578</td><td class="line"> put_advisory_locking(locking);</td></tr>
1665<tr><td class="num" id="LN1579">1579</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1666<tr><td class="num" id="LN1580">1580</td><td class="line">}</td></tr>
1667<tr><td class="num" id="LN1581">1581</td><td class="line"> </td></tr>
1668<tr><td class="num" id="LN1582">1582</td><td class="line"> </td></tr>
1669<tr><td class="num" id="LN1583">1583</td><td class="line"><span class='comment'>/*! Removes the specified lock, or all locks of the calling team</span></td></tr>
1670<tr><td class="num" id="LN1584">1584</td><td class="line"> <span class='comment'>if \a flock is NULL.</span></td></tr>
1671<tr><td class="num" id="LN1585">1585</td><td class="line"><span class='comment'>*/</span></td></tr>
1672<tr><td class="num" id="LN1586">1586</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1673<tr><td class="num" id="LN1587">1587</td><td class="line">release_advisory_lock(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> flock* flock)</td></tr>
1674<tr><td class="num" id="LN1588">1588</td><td class="line">{</td></tr>
1675<tr><td class="num" id="LN1589">1589</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"release_advisory_lock(vnode = %p, flock = %p)\n"</span>, vnode, flock))<span class='expansion'>;</span></span>;</td></tr>
1676<tr><td class="num" id="LN1590">1590</td><td class="line"> </td></tr>
1677<tr><td class="num" id="LN1591">1591</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking = get_advisory_locking(vnode);</td></tr>
1678<tr><td class="num" id="LN1592">1592</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1679<tr><td class="num" id="LN1593">1593</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1680<tr><td class="num" id="LN1594">1594</td><td class="line"> </td></tr>
1681<tr><td class="num" id="LN1595">1595</td><td class="line"> <span class='comment'>// TODO: use the thread ID instead??</span></td></tr>
1682<tr><td class="num" id="LN1596">1596</td><td class="line"> team_id team = team_get_current_team_id();</td></tr>
1683<tr><td class="num" id="LN1597">1597</td><td class="line"> pid_t session = <span class='macro'>thread_get_current_thread<span class='expansion'>arch_thread_get_current_thread</span></span>()-&gt;team-&gt;session_id;</td></tr>
1684<tr><td class="num" id="LN1598">1598</td><td class="line"> </td></tr>
1685<tr><td class="num" id="LN1599">1599</td><td class="line"> <span class='comment'>// find matching lock entries</span></td></tr>
1686<tr><td class="num" id="LN1600">1600</td><td class="line"> </td></tr>
1687<tr><td class="num" id="LN1601">1601</td><td class="line"> LockList::Iterator iterator = locking-&gt;locks.GetIterator();</td></tr>
1688<tr><td class="num" id="LN1602">1602</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
1689<tr><td class="num" id="LN1603">1603</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
1690<tr><td class="num" id="LN1604">1604</td><td class="line"> <span class='keyword'>bool</span> removeLock = <span class='keyword'>false</span>;</td></tr>
1691<tr><td class="num" id="LN1605">1605</td><td class="line"> </td></tr>
1692<tr><td class="num" id="LN1606">1606</td><td class="line"> <span class='keyword'>if</span> (lock-&gt;session == session)</td></tr>
1693<tr><td class="num" id="LN1607">1607</td><td class="line"> removeLock = <span class='keyword'>true</span>;</td></tr>
1694<tr><td class="num" id="LN1608">1608</td><td class="line"> <span class='keyword'>else</span> <span class='keyword'>if</span> (lock-&gt;team == team &amp;&amp; advisory_lock_intersects(lock, flock)) {</td></tr>
1695<tr><td class="num" id="LN1609">1609</td><td class="line"> <span class='keyword'>bool</span> endsBeyond = <span class='keyword'>false</span>;</td></tr>
1696<tr><td class="num" id="LN1610">1610</td><td class="line"> <span class='keyword'>bool</span> startsBefore = <span class='keyword'>false</span>;</td></tr>
1697<tr><td class="num" id="LN1611">1611</td><td class="line"> <span class='keyword'>if</span> (flock != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1698<tr><td class="num" id="LN1612">1612</td><td class="line"> startsBefore = lock-&gt;start &lt; flock-&gt;l_start;</td></tr>
1699<tr><td class="num" id="LN1613">1613</td><td class="line"> endsBeyond = lock-&gt;end &gt; flock-&gt;l_start - 1 + flock-&gt;l_len;</td></tr>
1700<tr><td class="num" id="LN1614">1614</td><td class="line"> }</td></tr>
1701<tr><td class="num" id="LN1615">1615</td><td class="line"> </td></tr>
1702<tr><td class="num" id="LN1616">1616</td><td class="line"> <span class='keyword'>if</span> (!startsBefore &amp;&amp; !endsBeyond) {</td></tr>
1703<tr><td class="num" id="LN1617">1617</td><td class="line"> <span class='comment'>// lock is completely contained in flock</span></td></tr>
1704<tr><td class="num" id="LN1618">1618</td><td class="line"> removeLock = <span class='keyword'>true</span>;</td></tr>
1705<tr><td class="num" id="LN1619">1619</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (startsBefore &amp;&amp; !endsBeyond) {</td></tr>
1706<tr><td class="num" id="LN1620">1620</td><td class="line"> <span class='comment'>// cut the end of the lock</span></td></tr>
1707<tr><td class="num" id="LN1621">1621</td><td class="line"> lock-&gt;end = flock-&gt;l_start - 1;</td></tr>
1708<tr><td class="num" id="LN1622">1622</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (!startsBefore &amp;&amp; endsBeyond) {</td></tr>
1709<tr><td class="num" id="LN1623">1623</td><td class="line"> <span class='comment'>// cut the start of the lock</span></td></tr>
1710<tr><td class="num" id="LN1624">1624</td><td class="line"> lock-&gt;start = flock-&gt;l_start + flock-&gt;l_len;</td></tr>
1711<tr><td class="num" id="LN1625">1625</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
1712<tr><td class="num" id="LN1626">1626</td><td class="line"> <span class='comment'>// divide the lock into two locks</span></td></tr>
1713<tr><td class="num" id="LN1627">1627</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* secondLock = <span class='keyword'>new</span> advisory_lock;</td></tr>
1714<tr><td class="num" id="LN1628">1628</td><td class="line"> <span class='keyword'>if</span> (secondLock == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1715<tr><td class="num" id="LN1629">1629</td><td class="line"> <span class='comment'>// TODO: we should probably revert the locks we already</span></td></tr>
1716<tr><td class="num" id="LN1630">1630</td><td class="line"> <span class='comment'>// changed... (ie. allocate upfront)</span></td></tr>
1717<tr><td class="num" id="LN1631">1631</td><td class="line"> put_advisory_locking(locking);</td></tr>
1718<tr><td class="num" id="LN1632">1632</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
1719<tr><td class="num" id="LN1633">1633</td><td class="line"> }</td></tr>
1720<tr><td class="num" id="LN1634">1634</td><td class="line"> </td></tr>
1721<tr><td class="num" id="LN1635">1635</td><td class="line"> lock-&gt;end = flock-&gt;l_start - 1;</td></tr>
1722<tr><td class="num" id="LN1636">1636</td><td class="line"> </td></tr>
1723<tr><td class="num" id="LN1637">1637</td><td class="line"> secondLock-&gt;team = lock-&gt;team;</td></tr>
1724<tr><td class="num" id="LN1638">1638</td><td class="line"> secondLock-&gt;session = lock-&gt;session;</td></tr>
1725<tr><td class="num" id="LN1639">1639</td><td class="line"> <span class='comment'>// values must already be normalized when getting here</span></td></tr>
1726<tr><td class="num" id="LN1640">1640</td><td class="line"> secondLock-&gt;start = flock-&gt;l_start + flock-&gt;l_len;</td></tr>
1727<tr><td class="num" id="LN1641">1641</td><td class="line"> secondLock-&gt;end = lock-&gt;end;</td></tr>
1728<tr><td class="num" id="LN1642">1642</td><td class="line"> secondLock-&gt;shared = lock-&gt;shared;</td></tr>
1729<tr><td class="num" id="LN1643">1643</td><td class="line"> </td></tr>
1730<tr><td class="num" id="LN1644">1644</td><td class="line"> locking-&gt;locks.Add(secondLock);</td></tr>
1731<tr><td class="num" id="LN1645">1645</td><td class="line"> }</td></tr>
1732<tr><td class="num" id="LN1646">1646</td><td class="line"> }</td></tr>
1733<tr><td class="num" id="LN1647">1647</td><td class="line"> </td></tr>
1734<tr><td class="num" id="LN1648">1648</td><td class="line"> <span class='keyword'>if</span> (removeLock) {</td></tr>
1735<tr><td class="num" id="LN1649">1649</td><td class="line"> <span class='comment'>// this lock is no longer used</span></td></tr>
1736<tr><td class="num" id="LN1650">1650</td><td class="line"> iterator.Remove();</td></tr>
1737<tr><td class="num" id="LN1651">1651</td><td class="line"> free(lock);</td></tr>
1738<tr><td class="num" id="LN1652">1652</td><td class="line"> }</td></tr>
1739<tr><td class="num" id="LN1653">1653</td><td class="line"> }</td></tr>
1740<tr><td class="num" id="LN1654">1654</td><td class="line"> </td></tr>
1741<tr><td class="num" id="LN1655">1655</td><td class="line"> <span class='keyword'>bool</span> removeLocking = locking-&gt;locks.IsEmpty();</td></tr>
1742<tr><td class="num" id="LN1656">1656</td><td class="line"> release_sem_etc(locking-&gt;wait_sem, 1, B_RELEASE_ALL);</td></tr>
1743<tr><td class="num" id="LN1657">1657</td><td class="line"> </td></tr>
1744<tr><td class="num" id="LN1658">1658</td><td class="line"> put_advisory_locking(locking);</td></tr>
1745<tr><td class="num" id="LN1659">1659</td><td class="line"> </td></tr>
1746<tr><td class="num" id="LN1660">1660</td><td class="line"> <span class='keyword'>if</span> (removeLocking) {</td></tr>
1747<tr><td class="num" id="LN1661">1661</td><td class="line"> <span class='comment'>// We can remove the whole advisory locking structure; it's no</span></td></tr>
1748<tr><td class="num" id="LN1662">1662</td><td class="line"> <span class='comment'>// longer used</span></td></tr>
1749<tr><td class="num" id="LN1663">1663</td><td class="line"> locking = get_advisory_locking(vnode);</td></tr>
1750<tr><td class="num" id="LN1664">1664</td><td class="line"> <span class='keyword'>if</span> (locking != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1751<tr><td class="num" id="LN1665">1665</td><td class="line"> ReadLocker locker(sVnodeLock);</td></tr>
1752<tr><td class="num" id="LN1666">1666</td><td class="line"> AutoLocker&lt;Vnode&gt; nodeLocker(vnode);</td></tr>
1753<tr><td class="num" id="LN1667">1667</td><td class="line"> </td></tr>
1754<tr><td class="num" id="LN1668">1668</td><td class="line"> <span class='comment'>// the locking could have been changed in the mean time</span></td></tr>
1755<tr><td class="num" id="LN1669">1669</td><td class="line"> <span class='keyword'>if</span> (locking-&gt;locks.IsEmpty()) {</td></tr>
1756<tr><td class="num" id="LN1670">1670</td><td class="line"> vnode-&gt;advisory_locking = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
1757<tr><td class="num" id="LN1671">1671</td><td class="line"> nodeLocker.Unlock();</td></tr>
1758<tr><td class="num" id="LN1672">1672</td><td class="line"> locker.Unlock();</td></tr>
1759<tr><td class="num" id="LN1673">1673</td><td class="line"> </td></tr>
1760<tr><td class="num" id="LN1674">1674</td><td class="line"> <span class='comment'>// we've detached the locking from the vnode, so we can</span></td></tr>
1761<tr><td class="num" id="LN1675">1675</td><td class="line"> <span class='comment'>// safely delete it</span></td></tr>
1762<tr><td class="num" id="LN1676">1676</td><td class="line"> <span class='keyword'>delete</span> locking;</td></tr>
1763<tr><td class="num" id="LN1677">1677</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
1764<tr><td class="num" id="LN1678">1678</td><td class="line"> <span class='comment'>// the locking is in use again</span></td></tr>
1765<tr><td class="num" id="LN1679">1679</td><td class="line"> nodeLocker.Unlock();</td></tr>
1766<tr><td class="num" id="LN1680">1680</td><td class="line"> locker.Unlock();</td></tr>
1767<tr><td class="num" id="LN1681">1681</td><td class="line"> release_sem_etc(locking-&gt;lock, 1, B_DO_NOT_RESCHEDULE);</td></tr>
1768<tr><td class="num" id="LN1682">1682</td><td class="line"> }</td></tr>
1769<tr><td class="num" id="LN1683">1683</td><td class="line"> }</td></tr>
1770<tr><td class="num" id="LN1684">1684</td><td class="line"> }</td></tr>
1771<tr><td class="num" id="LN1685">1685</td><td class="line"> </td></tr>
1772<tr><td class="num" id="LN1686">1686</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1773<tr><td class="num" id="LN1687">1687</td><td class="line">}</td></tr>
1774<tr><td class="num" id="LN1688">1688</td><td class="line"> </td></tr>
1775<tr><td class="num" id="LN1689">1689</td><td class="line"> </td></tr>
1776<tr><td class="num" id="LN1690">1690</td><td class="line"><span class='comment'>/*! Acquires an advisory lock for the \a vnode. If \a wait is \c true, it</span></td></tr>
1777<tr><td class="num" id="LN1691">1691</td><td class="line"> <span class='comment'>will wait for the lock to become available, if there are any collisions</span></td></tr>
1778<tr><td class="num" id="LN1692">1692</td><td class="line"> <span class='comment'>(it will return B_PERMISSION_DENIED in this case if \a wait is \c false).</span></td></tr>
1779<tr><td class="num" id="LN1693">1693</td><td class="line"> </td></tr>
1780<tr><td class="num" id="LN1694">1694</td><td class="line"> <span class='comment'>If \a session is -1, POSIX semantics are used for this lock. Otherwise,</span></td></tr>
1781<tr><td class="num" id="LN1695">1695</td><td class="line"> <span class='comment'>BSD flock() semantics are used, that is, all children can unlock the file</span></td></tr>
1782<tr><td class="num" id="LN1696">1696</td><td class="line"> <span class='comment'>in question (we even allow parents to remove the lock, though, but that</span></td></tr>
1783<tr><td class="num" id="LN1697">1697</td><td class="line"> <span class='comment'>seems to be in line to what the BSD's are doing).</span></td></tr>
1784<tr><td class="num" id="LN1698">1698</td><td class="line"><span class='comment'>*/</span></td></tr>
1785<tr><td class="num" id="LN1699">1699</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1786<tr><td class="num" id="LN1700">1700</td><td class="line">acquire_advisory_lock(<span class='keyword'>struct</span> vnode* vnode, pid_t session, <span class='keyword'>struct</span> flock* flock,</td></tr>
1787<tr><td class="num" id="LN1701">1701</td><td class="line"> <span class='keyword'>bool</span> wait)</td></tr>
1788<tr><td class="num" id="LN1702">1702</td><td class="line">{</td></tr>
1789<tr><td class="num" id="LN1703">1703</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"acquire_advisory_lock(vnode = %p, flock = %p, wait = %s)\n"</span>,<span class='expansion'>;</span></span></td></tr>
1790<tr><td class="num" id="LN1704">1704</td><td class="line"> <span class='macro'>vnode, flock, wait ? <span class='string_literal'>"yes"</span> : <span class='string_literal'>"no"</span>))<span class='expansion'>;</span></span>;</td></tr>
1791<tr><td class="num" id="LN1705">1705</td><td class="line"> </td></tr>
1792<tr><td class="num" id="LN1706">1706</td><td class="line"> <span class='keyword'>bool</span> shared = flock-&gt;l_type == <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span>;</td></tr>
1793<tr><td class="num" id="LN1707">1707</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1794<tr><td class="num" id="LN1708">1708</td><td class="line"> </td></tr>
1795<tr><td class="num" id="LN1709">1709</td><td class="line"> <span class='comment'>// TODO: do deadlock detection!</span></td></tr>
1796<tr><td class="num" id="LN1710">1710</td><td class="line"> </td></tr>
1797<tr><td class="num" id="LN1711">1711</td><td class="line"> <span class='keyword'>struct</span> advisory_locking* locking;</td></tr>
1798<tr><td class="num" id="LN1712">1712</td><td class="line"> </td></tr>
1799<tr><td class="num" id="LN1713">1713</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
1800<tr><td class="num" id="LN1714">1714</td><td class="line"> <span class='comment'>// if this vnode has an advisory_locking structure attached,</span></td></tr>
1801<tr><td class="num" id="LN1715">1715</td><td class="line"> <span class='comment'>// lock that one and search for any colliding file lock</span></td></tr>
1802<tr><td class="num" id="LN1716">1716</td><td class="line"> status = create_advisory_locking(vnode);</td></tr>
1803<tr><td class="num" id="LN1717">1717</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
1804<tr><td class="num" id="LN1718">1718</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
1805<tr><td class="num" id="LN1719">1719</td><td class="line"> </td></tr>
1806<tr><td class="num" id="LN1720">1720</td><td class="line"> locking = vnode-&gt;advisory_locking;</td></tr>
1807<tr><td class="num" id="LN1721">1721</td><td class="line"> team_id team = team_get_current_team_id();</td></tr>
1808<tr><td class="num" id="LN1722">1722</td><td class="line"> sem_id waitForLock = -1;</td></tr>
1809<tr><td class="num" id="LN1723">1723</td><td class="line"> </td></tr>
1810<tr><td class="num" id="LN1724">1724</td><td class="line"> <span class='comment'>// test for collisions</span></td></tr>
1811<tr><td class="num" id="LN1725">1725</td><td class="line"> LockList::Iterator iterator = locking-&gt;locks.GetIterator();</td></tr>
1812<tr><td class="num" id="LN1726">1726</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
1813<tr><td class="num" id="LN1727">1727</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
1814<tr><td class="num" id="LN1728">1728</td><td class="line"> </td></tr>
1815<tr><td class="num" id="LN1729">1729</td><td class="line"> <span class='comment'>// TODO: locks from the same team might be joinable!</span></td></tr>
1816<tr><td class="num" id="LN1730">1730</td><td class="line"> <span class='keyword'>if</span> (lock-&gt;team != team &amp;&amp; advisory_lock_intersects(lock, flock)) {</td></tr>
1817<tr><td class="num" id="LN1731">1731</td><td class="line"> <span class='comment'>// locks do overlap</span></td></tr>
1818<tr><td class="num" id="LN1732">1732</td><td class="line"> <span class='keyword'>if</span> (!shared || !lock-&gt;shared) {</td></tr>
1819<tr><td class="num" id="LN1733">1733</td><td class="line"> <span class='comment'>// we need to wait</span></td></tr>
1820<tr><td class="num" id="LN1734">1734</td><td class="line"> waitForLock = locking-&gt;wait_sem;</td></tr>
1821<tr><td class="num" id="LN1735">1735</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1822<tr><td class="num" id="LN1736">1736</td><td class="line"> }</td></tr>
1823<tr><td class="num" id="LN1737">1737</td><td class="line"> }</td></tr>
1824<tr><td class="num" id="LN1738">1738</td><td class="line"> }</td></tr>
1825<tr><td class="num" id="LN1739">1739</td><td class="line"> </td></tr>
1826<tr><td class="num" id="LN1740">1740</td><td class="line"> <span class='keyword'>if</span> (waitForLock &lt; 0)</td></tr>
1827<tr><td class="num" id="LN1741">1741</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1828<tr><td class="num" id="LN1742">1742</td><td class="line"> </td></tr>
1829<tr><td class="num" id="LN1743">1743</td><td class="line"> <span class='comment'>// We need to wait. Do that or fail now, if we've been asked not to.</span></td></tr>
1830<tr><td class="num" id="LN1744">1744</td><td class="line"> </td></tr>
1831<tr><td class="num" id="LN1745">1745</td><td class="line"> <span class='keyword'>if</span> (!wait) {</td></tr>
1832<tr><td class="num" id="LN1746">1746</td><td class="line"> put_advisory_locking(locking);</td></tr>
1833<tr><td class="num" id="LN1747">1747</td><td class="line"> <span class='keyword'>return</span> session != -1 ? <span class='macro'>B_WOULD_BLOCK<span class='expansion'>((-2147483647 - 1) + 11)</span></span> : <span class='macro'>B_PERMISSION_DENIED<span class='expansion'>((-2147483647 - 1) + 2)</span></span>;</td></tr>
1834<tr><td class="num" id="LN1748">1748</td><td class="line"> }</td></tr>
1835<tr><td class="num" id="LN1749">1749</td><td class="line"> </td></tr>
1836<tr><td class="num" id="LN1750">1750</td><td class="line"> status = switch_sem_etc(locking-&gt;lock, waitForLock, 1,</td></tr>
1837<tr><td class="num" id="LN1751">1751</td><td class="line"> B_CAN_INTERRUPT, 0);</td></tr>
1838<tr><td class="num" id="LN1752">1752</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; status != <span class='macro'>B_BAD_SEM_ID<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0)</span></span>)</td></tr>
1839<tr><td class="num" id="LN1753">1753</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
1840<tr><td class="num" id="LN1754">1754</td><td class="line"> </td></tr>
1841<tr><td class="num" id="LN1755">1755</td><td class="line"> <span class='comment'>// We have been notified, but we need to re-lock the locking object. So</span></td></tr>
1842<tr><td class="num" id="LN1756">1756</td><td class="line"> <span class='comment'>// go another round...</span></td></tr>
1843<tr><td class="num" id="LN1757">1757</td><td class="line"> }</td></tr>
1844<tr><td class="num" id="LN1758">1758</td><td class="line"> </td></tr>
1845<tr><td class="num" id="LN1759">1759</td><td class="line"> <span class='comment'>// install new lock</span></td></tr>
1846<tr><td class="num" id="LN1760">1760</td><td class="line"> </td></tr>
1847<tr><td class="num" id="LN1761">1761</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = (<span class='keyword'>struct</span> advisory_lock*)malloc(</td></tr>
1848<tr><td class="num" id="LN1762">1762</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> advisory_lock));</td></tr>
1849<tr><td class="num" id="LN1763">1763</td><td class="line"> <span class='keyword'>if</span> (lock == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1850<tr><td class="num" id="LN1764">1764</td><td class="line"> put_advisory_locking(locking);</td></tr>
1851<tr><td class="num" id="LN1765">1765</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
1852<tr><td class="num" id="LN1766">1766</td><td class="line"> }</td></tr>
1853<tr><td class="num" id="LN1767">1767</td><td class="line"> </td></tr>
1854<tr><td class="num" id="LN1768">1768</td><td class="line"> lock-&gt;team = team_get_current_team_id();</td></tr>
1855<tr><td class="num" id="LN1769">1769</td><td class="line"> lock-&gt;session = session;</td></tr>
1856<tr><td class="num" id="LN1770">1770</td><td class="line"> <span class='comment'>// values must already be normalized when getting here</span></td></tr>
1857<tr><td class="num" id="LN1771">1771</td><td class="line"> lock-&gt;start = flock-&gt;l_start;</td></tr>
1858<tr><td class="num" id="LN1772">1772</td><td class="line"> lock-&gt;end = flock-&gt;l_start - 1 + flock-&gt;l_len;</td></tr>
1859<tr><td class="num" id="LN1773">1773</td><td class="line"> lock-&gt;shared = shared;</td></tr>
1860<tr><td class="num" id="LN1774">1774</td><td class="line"> </td></tr>
1861<tr><td class="num" id="LN1775">1775</td><td class="line"> locking-&gt;locks.Add(lock);</td></tr>
1862<tr><td class="num" id="LN1776">1776</td><td class="line"> put_advisory_locking(locking);</td></tr>
1863<tr><td class="num" id="LN1777">1777</td><td class="line"> </td></tr>
1864<tr><td class="num" id="LN1778">1778</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
1865<tr><td class="num" id="LN1779">1779</td><td class="line">}</td></tr>
1866<tr><td class="num" id="LN1780">1780</td><td class="line"> </td></tr>
1867<tr><td class="num" id="LN1781">1781</td><td class="line"> </td></tr>
1868<tr><td class="num" id="LN1782">1782</td><td class="line"><span class='comment'>/*! Normalizes the \a flock structure to make it easier to compare the</span></td></tr>
1869<tr><td class="num" id="LN1783">1783</td><td class="line"> <span class='comment'>structure with others. The l_start and l_len fields are set to absolute</span></td></tr>
1870<tr><td class="num" id="LN1784">1784</td><td class="line"> <span class='comment'>values according to the l_whence field.</span></td></tr>
1871<tr><td class="num" id="LN1785">1785</td><td class="line"><span class='comment'>*/</span></td></tr>
1872<tr><td class="num" id="LN1786">1786</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
1873<tr><td class="num" id="LN1787">1787</td><td class="line">normalize_flock(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> flock* flock)</td></tr>
1874<tr><td class="num" id="LN1788">1788</td><td class="line">{</td></tr>
1875<tr><td class="num" id="LN1789">1789</td><td class="line"> <span class='keyword'>switch</span> (flock-&gt;l_whence) {</td></tr>
1876<tr><td class="num" id="LN1790">1790</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>:</td></tr>
1877<tr><td class="num" id="LN1791">1791</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1878<tr><td class="num" id="LN1792">1792</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_CUR<span class='expansion'>1</span></span>:</td></tr>
1879<tr><td class="num" id="LN1793">1793</td><td class="line"> flock-&gt;l_start += descriptor-&gt;pos;</td></tr>
1880<tr><td class="num" id="LN1794">1794</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1881<tr><td class="num" id="LN1795">1795</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_END<span class='expansion'>2</span></span>:</td></tr>
1882<tr><td class="num" id="LN1796">1796</td><td class="line"> {</td></tr>
1883<tr><td class="num" id="LN1797">1797</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
1884<tr><td class="num" id="LN1798">1798</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
1885<tr><td class="num" id="LN1799">1799</td><td class="line"> status_t status;</td></tr>
1886<tr><td class="num" id="LN1800">1800</td><td class="line"> </td></tr>
1887<tr><td class="num" id="LN1801">1801</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_stat)<span class='expansion'>(vnode-&gt;ops-&gt;read_stat != __null)</span></span>)</td></tr>
1888<tr><td class="num" id="LN1802">1802</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
1889<tr><td class="num" id="LN1803">1803</td><td class="line"> </td></tr>
1890<tr><td class="num" id="LN1804">1804</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_stat, &amp;stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_stat != __null) ? vnode-&gt;ops-&gt;<br>read_stat(vnode-&gt;mount-&gt;volume, vnode, &amp;stat) : (panic<br>("FS_CALL op " "read_stat" " is NULL"), 0))</span></span>;</td></tr>
1891<tr><td class="num" id="LN1805">1805</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
1892<tr><td class="num" id="LN1806">1806</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
1893<tr><td class="num" id="LN1807">1807</td><td class="line"> </td></tr>
1894<tr><td class="num" id="LN1808">1808</td><td class="line"> flock-&gt;l_start += stat.st_size;</td></tr>
1895<tr><td class="num" id="LN1809">1809</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
1896<tr><td class="num" id="LN1810">1810</td><td class="line"> }</td></tr>
1897<tr><td class="num" id="LN1811">1811</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
1898<tr><td class="num" id="LN1812">1812</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
1899<tr><td class="num" id="LN1813">1813</td><td class="line"> }</td></tr>
1900<tr><td class="num" id="LN1814">1814</td><td class="line"> </td></tr>
1901<tr><td class="num" id="LN1815">1815</td><td class="line"> <span class='keyword'>if</span> (flock-&gt;l_start &lt; 0)</td></tr>
1902<tr><td class="num" id="LN1816">1816</td><td class="line"> flock-&gt;l_start = 0;</td></tr>
1903<tr><td class="num" id="LN1817">1817</td><td class="line"> <span class='keyword'>if</span> (flock-&gt;l_len == 0)</td></tr>
1904<tr><td class="num" id="LN1818">1818</td><td class="line"> flock-&gt;l_len = <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span>;</td></tr>
1905<tr><td class="num" id="LN1819">1819</td><td class="line"> </td></tr>
1906<tr><td class="num" id="LN1820">1820</td><td class="line"> <span class='comment'>// don't let the offset and length overflow</span></td></tr>
1907<tr><td class="num" id="LN1821">1821</td><td class="line"> <span class='keyword'>if</span> (flock-&gt;l_start &gt; 0 &amp;&amp; <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - flock-&gt;l_start &lt; flock-&gt;l_len)</td></tr>
1908<tr><td class="num" id="LN1822">1822</td><td class="line"> flock-&gt;l_len = <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - flock-&gt;l_start;</td></tr>
1909<tr><td class="num" id="LN1823">1823</td><td class="line"> </td></tr>
1910<tr><td class="num" id="LN1824">1824</td><td class="line"> <span class='keyword'>if</span> (flock-&gt;l_len &lt; 0) {</td></tr>
1911<tr><td class="num" id="LN1825">1825</td><td class="line"> <span class='comment'>// a negative length reverses the region</span></td></tr>
1912<tr><td class="num" id="LN1826">1826</td><td class="line"> flock-&gt;l_start += flock-&gt;l_len;</td></tr>
1913<tr><td class="num" id="LN1827">1827</td><td class="line"> flock-&gt;l_len = -flock-&gt;l_len;</td></tr>
1914<tr><td class="num" id="LN1828">1828</td><td class="line"> }</td></tr>
1915<tr><td class="num" id="LN1829">1829</td><td class="line"> </td></tr>
1916<tr><td class="num" id="LN1830">1830</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
1917<tr><td class="num" id="LN1831">1831</td><td class="line">}</td></tr>
1918<tr><td class="num" id="LN1832">1832</td><td class="line"> </td></tr>
1919<tr><td class="num" id="LN1833">1833</td><td class="line"> </td></tr>
1920<tr><td class="num" id="LN1834">1834</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
1921<tr><td class="num" id="LN1835">1835</td><td class="line">replace_vnode_if_disconnected(<span class='keyword'>struct</span> fs_mount* mount,</td></tr>
1922<tr><td class="num" id="LN1836">1836</td><td class="line"> <span class='keyword'>struct</span> vnode* vnodeToDisconnect, <span class='keyword'>struct</span> vnode*&amp; vnode,</td></tr>
1923<tr><td class="num" id="LN1837">1837</td><td class="line"> <span class='keyword'>struct</span> vnode* fallBack, <span class='keyword'>bool</span> lockRootLock)</td></tr>
1924<tr><td class="num" id="LN1838">1838</td><td class="line">{</td></tr>
1925<tr><td class="num" id="LN1839">1839</td><td class="line"> <span class='keyword'>struct</span> vnode* givenVnode = vnode;</td></tr>
1926<tr><td class="num" id="LN1840">1840</td><td class="line"> <span class='keyword'>bool</span> vnodeReplaced = <span class='keyword'>false</span>;</td></tr>
1927<tr><td class="num" id="LN1841">1841</td><td class="line"> </td></tr>
1928<tr><td class="num" id="LN1842">1842</td><td class="line"> ReadLocker vnodeReadLocker(sVnodeLock);</td></tr>
1929<tr><td class="num" id="LN1843">1843</td><td class="line"> </td></tr>
1930<tr><td class="num" id="LN1844">1844</td><td class="line"> <span class='keyword'>if</span> (lockRootLock)</td></tr>
1931<tr><td class="num" id="LN1845">1845</td><td class="line"> mutex_lock(&amp;sIOContextRootLock);</td></tr>
1932<tr><td class="num" id="LN1846">1846</td><td class="line"> </td></tr>
1933<tr><td class="num" id="LN1847">1847</td><td class="line"> <span class='keyword'>while</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; vnode-&gt;mount == mount</td></tr>
1934<tr><td class="num" id="LN1848">1848</td><td class="line"> &amp;&amp; (vnodeToDisconnect == <span class='macro'>NULL<span class='expansion'>__null</span></span> || vnodeToDisconnect == vnode)) {</td></tr>
1935<tr><td class="num" id="LN1849">1849</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1936<tr><td class="num" id="LN1850">1850</td><td class="line"> <span class='comment'>// redirect the vnode to the covered vnode</span></td></tr>
1937<tr><td class="num" id="LN1851">1851</td><td class="line"> vnode = vnode-&gt;covers;</td></tr>
1938<tr><td class="num" id="LN1852">1852</td><td class="line"> } <span class='keyword'>else</span></td></tr>
1939<tr><td class="num" id="LN1853">1853</td><td class="line"> vnode = fallBack;</td></tr>
1940<tr><td class="num" id="LN1854">1854</td><td class="line"> </td></tr>
1941<tr><td class="num" id="LN1855">1855</td><td class="line"> vnodeReplaced = <span class='keyword'>true</span>;</td></tr>
1942<tr><td class="num" id="LN1856">1856</td><td class="line"> }</td></tr>
1943<tr><td class="num" id="LN1857">1857</td><td class="line"> </td></tr>
1944<tr><td class="num" id="LN1858">1858</td><td class="line"> <span class='comment'>// If we've replaced the node, grab a reference for the new one.</span></td></tr>
1945<tr><td class="num" id="LN1859">1859</td><td class="line"> <span class='keyword'>if</span> (vnodeReplaced &amp;&amp; vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
1946<tr><td class="num" id="LN1860">1860</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
1947<tr><td class="num" id="LN1861">1861</td><td class="line"> </td></tr>
1948<tr><td class="num" id="LN1862">1862</td><td class="line"> <span class='keyword'>if</span> (lockRootLock)</td></tr>
1949<tr><td class="num" id="LN1863">1863</td><td class="line"> mutex_unlock(&amp;sIOContextRootLock);</td></tr>
1950<tr><td class="num" id="LN1864">1864</td><td class="line"> </td></tr>
1951<tr><td class="num" id="LN1865">1865</td><td class="line"> vnodeReadLocker.Unlock();</td></tr>
1952<tr><td class="num" id="LN1866">1866</td><td class="line"> </td></tr>
1953<tr><td class="num" id="LN1867">1867</td><td class="line"> <span class='keyword'>if</span> (vnodeReplaced)</td></tr>
1954<tr><td class="num" id="LN1868">1868</td><td class="line"> put_vnode(givenVnode);</td></tr>
1955<tr><td class="num" id="LN1869">1869</td><td class="line">}</td></tr>
1956<tr><td class="num" id="LN1870">1870</td><td class="line"> </td></tr>
1957<tr><td class="num" id="LN1871">1871</td><td class="line"> </td></tr>
1958<tr><td class="num" id="LN1872">1872</td><td class="line"><span class='comment'>/*! Disconnects all file descriptors that are associated with the</span></td></tr>
1959<tr><td class="num" id="LN1873">1873</td><td class="line"> <span class='comment'>\a vnodeToDisconnect, or if this is NULL, all vnodes of the specified</span></td></tr>
1960<tr><td class="num" id="LN1874">1874</td><td class="line"> <span class='comment'>\a mount object.</span></td></tr>
1961<tr><td class="num" id="LN1875">1875</td><td class="line"> </td></tr>
1962<tr><td class="num" id="LN1876">1876</td><td class="line"> <span class='comment'>Note, after you've called this function, there might still be ongoing</span></td></tr>
1963<tr><td class="num" id="LN1877">1877</td><td class="line"> <span class='comment'>accesses - they won't be interrupted if they already happened before.</span></td></tr>
1964<tr><td class="num" id="LN1878">1878</td><td class="line"> <span class='comment'>However, any subsequent access will fail.</span></td></tr>
1965<tr><td class="num" id="LN1879">1879</td><td class="line"> </td></tr>
1966<tr><td class="num" id="LN1880">1880</td><td class="line"> <span class='comment'>This is not a cheap function and should be used with care and rarely.</span></td></tr>
1967<tr><td class="num" id="LN1881">1881</td><td class="line"> <span class='comment'>TODO: there is currently no means to stop a blocking read/write!</span></td></tr>
1968<tr><td class="num" id="LN1882">1882</td><td class="line"><span class='comment'>*/</span></td></tr>
1969<tr><td class="num" id="LN1883">1883</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
1970<tr><td class="num" id="LN1884">1884</td><td class="line">disconnect_mount_or_vnode_fds(<span class='keyword'>struct</span> fs_mount* mount,</td></tr>
1971<tr><td class="num" id="LN1885">1885</td><td class="line"> <span class='keyword'>struct</span> vnode* vnodeToDisconnect)</td></tr>
1972<tr><td class="num" id="LN1886">1886</td><td class="line">{</td></tr>
1973<tr><td class="num" id="LN1887">1887</td><td class="line"> <span class='comment'>// iterate over all teams and peek into their file descriptors</span></td></tr>
1974<tr><td class="num" id="LN1888">1888</td><td class="line"> TeamListIterator teamIterator;</td></tr>
1975<tr><td class="num" id="LN1889">1889</td><td class="line"> <span class='keyword'>while</span> (Team* team = teamIterator.Next()) {</td></tr>
1976<tr><td class="num" id="LN1890">1890</td><td class="line"> BReference&lt;Team&gt; teamReference(team, <span class='keyword'>true</span>);</td></tr>
1977<tr><td class="num" id="LN1891">1891</td><td class="line"> </td></tr>
1978<tr><td class="num" id="LN1892">1892</td><td class="line"> <span class='comment'>// lock the I/O context</span></td></tr>
1979<tr><td class="num" id="LN1893">1893</td><td class="line"> io_context* context = team-&gt;io_context;</td></tr>
1980<tr><td class="num" id="LN1894">1894</td><td class="line"> MutexLocker contextLocker(context-&gt;io_mutex);</td></tr>
1981<tr><td class="num" id="LN1895">1895</td><td class="line"> </td></tr>
1982<tr><td class="num" id="LN1896">1896</td><td class="line"> replace_vnode_if_disconnected(mount, vnodeToDisconnect, context-&gt;root,</td></tr>
1983<tr><td class="num" id="LN1897">1897</td><td class="line"> sRoot, <span class='keyword'>true</span>);</td></tr>
1984<tr><td class="num" id="LN1898">1898</td><td class="line"> replace_vnode_if_disconnected(mount, vnodeToDisconnect, context-&gt;cwd,</td></tr>
1985<tr><td class="num" id="LN1899">1899</td><td class="line"> sRoot, <span class='keyword'>false</span>);</td></tr>
1986<tr><td class="num" id="LN1900">1900</td><td class="line"> </td></tr>
1987<tr><td class="num" id="LN1901">1901</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i &lt; context-&gt;table_size; i++) {</td></tr>
1988<tr><td class="num" id="LN1902">1902</td><td class="line"> <span class='keyword'>if</span> (<span class='keyword'>struct</span> file_descriptor* descriptor = context-&gt;fds[i]) {</td></tr>
1989<tr><td class="num" id="LN1903">1903</td><td class="line"> inc_fd_ref_count(descriptor);</td></tr>
1990<tr><td class="num" id="LN1904">1904</td><td class="line"> </td></tr>
1991<tr><td class="num" id="LN1905">1905</td><td class="line"> <span class='comment'>// if this descriptor points at this mount, we</span></td></tr>
1992<tr><td class="num" id="LN1906">1906</td><td class="line"> <span class='comment'>// need to disconnect it to be able to unmount</span></td></tr>
1993<tr><td class="num" id="LN1907">1907</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
1994<tr><td class="num" id="LN1908">1908</td><td class="line"> <span class='keyword'>if</span> (vnodeToDisconnect != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
1995<tr><td class="num" id="LN1909">1909</td><td class="line"> <span class='keyword'>if</span> (vnode == vnodeToDisconnect)</td></tr>
1996<tr><td class="num" id="LN1910">1910</td><td class="line"> disconnect_fd(descriptor);</td></tr>
1997<tr><td class="num" id="LN1911">1911</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> ((vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; vnode-&gt;mount == mount)</td></tr>
1998<tr><td class="num" id="LN1912">1912</td><td class="line"> || (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; descriptor-&gt;u.mount == mount))</td></tr>
1999<tr><td class="num" id="LN1913">1913</td><td class="line"> disconnect_fd(descriptor);</td></tr>
2000<tr><td class="num" id="LN1914">1914</td><td class="line"> </td></tr>
2001<tr><td class="num" id="LN1915">1915</td><td class="line"> put_fd(descriptor);</td></tr>
2002<tr><td class="num" id="LN1916">1916</td><td class="line"> }</td></tr>
2003<tr><td class="num" id="LN1917">1917</td><td class="line"> }</td></tr>
2004<tr><td class="num" id="LN1918">1918</td><td class="line"> }</td></tr>
2005<tr><td class="num" id="LN1919">1919</td><td class="line">}</td></tr>
2006<tr><td class="num" id="LN1920">1920</td><td class="line"> </td></tr>
2007<tr><td class="num" id="LN1921">1921</td><td class="line"> </td></tr>
2008<tr><td class="num" id="LN1922">1922</td><td class="line"><span class='comment'>/*! \brief Gets the root node of the current IO context.</span></td></tr>
2009<tr><td class="num" id="LN1923">1923</td><td class="line"> <span class='comment'>If \a kernel is \c true, the kernel IO context will be used.</span></td></tr>
2010<tr><td class="num" id="LN1924">1924</td><td class="line"> <span class='comment'>The caller obtains a reference to the returned node.</span></td></tr>
2011<tr><td class="num" id="LN1925">1925</td><td class="line"><span class='comment'>*/</span></td></tr>
2012<tr><td class="num" id="LN1926">1926</td><td class="line"><span class='keyword'>struct</span> vnode*</td></tr>
2013<tr><td class="num" id="LN1927">1927</td><td class="line">get_root_vnode(<span class='keyword'>bool</span> kernel)</td></tr>
2014<tr><td class="num" id="LN1928">1928</td><td class="line">{</td></tr>
2015<tr><td class="num" id="LN1929">1929</td><td class="line"> <span class='keyword'>if</span> (!kernel) {</td></tr>
2016<tr><td class="num" id="LN1930">1930</td><td class="line"> <span class='comment'>// Get current working directory from io context</span></td></tr>
2017<tr><td class="num" id="LN1931">1931</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
2018<tr><td class="num" id="LN1932">1932</td><td class="line"> </td></tr>
2019<tr><td class="num" id="LN1933">1933</td><td class="line"> mutex_lock(&amp;sIOContextRootLock);</td></tr>
2020<tr><td class="num" id="LN1934">1934</td><td class="line"> </td></tr>
2021<tr><td class="num" id="LN1935">1935</td><td class="line"> <span class='keyword'>struct</span> vnode* root = context-&gt;root;</td></tr>
2022<tr><td class="num" id="LN1936">1936</td><td class="line"> <span class='keyword'>if</span> (root != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
2023<tr><td class="num" id="LN1937">1937</td><td class="line"> inc_vnode_ref_count(root);</td></tr>
2024<tr><td class="num" id="LN1938">1938</td><td class="line"> </td></tr>
2025<tr><td class="num" id="LN1939">1939</td><td class="line"> mutex_unlock(&amp;sIOContextRootLock);</td></tr>
2026<tr><td class="num" id="LN1940">1940</td><td class="line"> </td></tr>
2027<tr><td class="num" id="LN1941">1941</td><td class="line"> <span class='keyword'>if</span> (root != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
2028<tr><td class="num" id="LN1942">1942</td><td class="line"> <span class='keyword'>return</span> root;</td></tr>
2029<tr><td class="num" id="LN1943">1943</td><td class="line"> </td></tr>
2030<tr><td class="num" id="LN1944">1944</td><td class="line"> <span class='comment'>// That should never happen.</span></td></tr>
2031<tr><td class="num" id="LN1945">1945</td><td class="line"> dprintf(<span class='string_literal'>"get_root_vnode(): IO context for team %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" doesn't "</span></td></tr>
2032<tr><td class="num" id="LN1946">1946</td><td class="line"> <span class='string_literal'>"have a root\n"</span>, team_get_current_team_id());</td></tr>
2033<tr><td class="num" id="LN1947">1947</td><td class="line"> }</td></tr>
2034<tr><td class="num" id="LN1948">1948</td><td class="line"> </td></tr>
2035<tr><td class="num" id="LN1949">1949</td><td class="line"> inc_vnode_ref_count(sRoot);</td></tr>
2036<tr><td class="num" id="LN1950">1950</td><td class="line"> <span class='keyword'>return</span> sRoot;</td></tr>
2037<tr><td class="num" id="LN1951">1951</td><td class="line">}</td></tr>
2038<tr><td class="num" id="LN1952">1952</td><td class="line"> </td></tr>
2039<tr><td class="num" id="LN1953">1953</td><td class="line"> </td></tr>
2040<tr><td class="num" id="LN1954">1954</td><td class="line"><span class='comment'>/*! \brief Resolves a vnode to the vnode it is covered by, if any.</span></td></tr>
2041<tr><td class="num" id="LN1955">1955</td><td class="line"> </td></tr>
2042<tr><td class="num" id="LN1956">1956</td><td class="line"> <span class='comment'>Given an arbitrary vnode (identified by mount and node ID), the function</span></td></tr>
2043<tr><td class="num" id="LN1957">1957</td><td class="line"> <span class='comment'>checks, whether the vnode is covered by another vnode. If it is, the</span></td></tr>
2044<tr><td class="num" id="LN1958">1958</td><td class="line"> <span class='comment'>function returns the mount and node ID of the covering vnode. Otherwise</span></td></tr>
2045<tr><td class="num" id="LN1959">1959</td><td class="line"> <span class='comment'>it simply returns the supplied mount and node ID.</span></td></tr>
2046<tr><td class="num" id="LN1960">1960</td><td class="line"> </td></tr>
2047<tr><td class="num" id="LN1961">1961</td><td class="line"> <span class='comment'>In case of error (e.g. the supplied node could not be found) the variables</span></td></tr>
2048<tr><td class="num" id="LN1962">1962</td><td class="line"> <span class='comment'>for storing the resolved mount and node ID remain untouched and an error</span></td></tr>
2049<tr><td class="num" id="LN1963">1963</td><td class="line"> <span class='comment'>code is returned.</span></td></tr>
2050<tr><td class="num" id="LN1964">1964</td><td class="line"> </td></tr>
2051<tr><td class="num" id="LN1965">1965</td><td class="line"> <span class='comment'>\param mountID The mount ID of the vnode in question.</span></td></tr>
2052<tr><td class="num" id="LN1966">1966</td><td class="line"> <span class='comment'>\param nodeID The node ID of the vnode in question.</span></td></tr>
2053<tr><td class="num" id="LN1967">1967</td><td class="line"> <span class='comment'>\param resolvedMountID Pointer to storage for the resolved mount ID.</span></td></tr>
2054<tr><td class="num" id="LN1968">1968</td><td class="line"> <span class='comment'>\param resolvedNodeID Pointer to storage for the resolved node ID.</span></td></tr>
2055<tr><td class="num" id="LN1969">1969</td><td class="line"> <span class='comment'>\return</span></td></tr>
2056<tr><td class="num" id="LN1970">1970</td><td class="line"> <span class='comment'>- \c B_OK, if everything went fine,</span></td></tr>
2057<tr><td class="num" id="LN1971">1971</td><td class="line"> <span class='comment'>- another error code, if something went wrong.</span></td></tr>
2058<tr><td class="num" id="LN1972">1972</td><td class="line"><span class='comment'>*/</span></td></tr>
2059<tr><td class="num" id="LN1973">1973</td><td class="line">status_t</td></tr>
2060<tr><td class="num" id="LN1974">1974</td><td class="line">vfs_resolve_vnode_to_covering_vnode(dev_t mountID, ino_t nodeID,</td></tr>
2061<tr><td class="num" id="LN1975">1975</td><td class="line"> dev_t* resolvedMountID, ino_t* resolvedNodeID)</td></tr>
2062<tr><td class="num" id="LN1976">1976</td><td class="line">{</td></tr>
2063<tr><td class="num" id="LN1977">1977</td><td class="line"> <span class='comment'>// get the node</span></td></tr>
2064<tr><td class="num" id="LN1978">1978</td><td class="line"> <span class='keyword'>struct</span> vnode* node;</td></tr>
2065<tr><td class="num" id="LN1979">1979</td><td class="line"> status_t error = get_vnode(mountID, nodeID, &amp;node, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
2066<tr><td class="num" id="LN1980">1980</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2067<tr><td class="num" id="LN1981">1981</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
2068<tr><td class="num" id="LN1982">1982</td><td class="line"> </td></tr>
2069<tr><td class="num" id="LN1983">1983</td><td class="line"> <span class='comment'>// resolve the node</span></td></tr>
2070<tr><td class="num" id="LN1984">1984</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = get_covering_vnode(node)) {</td></tr>
2071<tr><td class="num" id="LN1985">1985</td><td class="line"> put_vnode(node);</td></tr>
2072<tr><td class="num" id="LN1986">1986</td><td class="line"> node = coveringNode;</td></tr>
2073<tr><td class="num" id="LN1987">1987</td><td class="line"> }</td></tr>
2074<tr><td class="num" id="LN1988">1988</td><td class="line"> </td></tr>
2075<tr><td class="num" id="LN1989">1989</td><td class="line"> <span class='comment'>// set the return values</span></td></tr>
2076<tr><td class="num" id="LN1990">1990</td><td class="line"> *resolvedMountID = node-&gt;device;</td></tr>
2077<tr><td class="num" id="LN1991">1991</td><td class="line"> *resolvedNodeID = node-&gt;id;</td></tr>
2078<tr><td class="num" id="LN1992">1992</td><td class="line"> </td></tr>
2079<tr><td class="num" id="LN1993">1993</td><td class="line"> put_vnode(node);</td></tr>
2080<tr><td class="num" id="LN1994">1994</td><td class="line"> </td></tr>
2081<tr><td class="num" id="LN1995">1995</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2082<tr><td class="num" id="LN1996">1996</td><td class="line">}</td></tr>
2083<tr><td class="num" id="LN1997">1997</td><td class="line"> </td></tr>
2084<tr><td class="num" id="LN1998">1998</td><td class="line"> </td></tr>
2085<tr><td class="num" id="LN1999">1999</td><td class="line"><span class='comment'>/*! \brief Gets the directory path and leaf name for a given path.</span></td></tr>
2086<tr><td class="num" id="LN2000">2000</td><td class="line"> </td></tr>
2087<tr><td class="num" id="LN2001">2001</td><td class="line"> <span class='comment'>The supplied \a path is transformed to refer to the directory part of</span></td></tr>
2088<tr><td class="num" id="LN2002">2002</td><td class="line"> <span class='comment'>the entry identified by the original path, and into the buffer \a filename</span></td></tr>
2089<tr><td class="num" id="LN2003">2003</td><td class="line"> <span class='comment'>the leaf name of the original entry is written.</span></td></tr>
2090<tr><td class="num" id="LN2004">2004</td><td class="line"> <span class='comment'>Neither the returned path nor the leaf name can be expected to be</span></td></tr>
2091<tr><td class="num" id="LN2005">2005</td><td class="line"> <span class='comment'>canonical.</span></td></tr>
2092<tr><td class="num" id="LN2006">2006</td><td class="line"> </td></tr>
2093<tr><td class="num" id="LN2007">2007</td><td class="line"> <span class='comment'>\param path The path to be analyzed. Must be able to store at least one</span></td></tr>
2094<tr><td class="num" id="LN2008">2008</td><td class="line"> <span class='comment'>additional character.</span></td></tr>
2095<tr><td class="num" id="LN2009">2009</td><td class="line"> <span class='comment'>\param filename The buffer into which the leaf name will be written.</span></td></tr>
2096<tr><td class="num" id="LN2010">2010</td><td class="line"> <span class='comment'>Must be of size B_FILE_NAME_LENGTH at least.</span></td></tr>
2097<tr><td class="num" id="LN2011">2011</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, \c B_NAME_TOO_LONG, if the leaf</span></td></tr>
2098<tr><td class="num" id="LN2012">2012</td><td class="line"> <span class='comment'>name is longer than \c B_FILE_NAME_LENGTH, or \c B_ENTRY_NOT_FOUND,</span></td></tr>
2099<tr><td class="num" id="LN2013">2013</td><td class="line"> <span class='comment'>if the given path name is empty.</span></td></tr>
2100<tr><td class="num" id="LN2014">2014</td><td class="line"><span class='comment'>*/</span></td></tr>
2101<tr><td class="num" id="LN2015">2015</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2102<tr><td class="num" id="LN2016">2016</td><td class="line">get_dir_path_and_leaf(<span class='keyword'>char</span>* path, <span class='keyword'>char</span>* filename)</td></tr>
2103<tr><td class="num" id="LN2017">2017</td><td class="line">{</td></tr>
2104<tr><td class="num" id="LN2018">2018</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
2105<tr><td class="num" id="LN2019">2019</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2106<tr><td class="num" id="LN2020">2020</td><td class="line"> </td></tr>
2107<tr><td class="num" id="LN2021">2021</td><td class="line"> <span class='keyword'>char</span>* last = strrchr(path, '/');</td></tr>
2108<tr><td class="num" id="LN2022">2022</td><td class="line"> <span class='comment'>// '/' are not allowed in file names!</span></td></tr>
2109<tr><td class="num" id="LN2023">2023</td><td class="line"> </td></tr>
2110<tr><td class="num" id="LN2024">2024</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"get_dir_path_and_leaf(path = %s)\n"</span>, path))<span class='expansion'>;</span></span>;</td></tr>
2111<tr><td class="num" id="LN2025">2025</td><td class="line"> </td></tr>
2112<tr><td class="num" id="LN2026">2026</td><td class="line"> <span class='keyword'>if</span> (last == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
2113<tr><td class="num" id="LN2027">2027</td><td class="line"> <span class='comment'>// this path is single segment with no '/' in it</span></td></tr>
2114<tr><td class="num" id="LN2028">2028</td><td class="line"> <span class='comment'>// ex. "foo"</span></td></tr>
2115<tr><td class="num" id="LN2029">2029</td><td class="line"> <span class='keyword'>if</span> (strlcpy(filename, path, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &gt;= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
2116<tr><td class="num" id="LN2030">2030</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
2117<tr><td class="num" id="LN2031">2031</td><td class="line"> </td></tr>
2118<tr><td class="num" id="LN2032">2032</td><td class="line"> strcpy(path, <span class='string_literal'>"."</span>);</td></tr>
2119<tr><td class="num" id="LN2033">2033</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
2120<tr><td class="num" id="LN2034">2034</td><td class="line"> last++;</td></tr>
2121<tr><td class="num" id="LN2035">2035</td><td class="line"> <span class='keyword'>if</span> (last[0] == '\0') {</td></tr>
2122<tr><td class="num" id="LN2036">2036</td><td class="line"> <span class='comment'>// special case: the path ends in one or more '/' - remove them</span></td></tr>
2123<tr><td class="num" id="LN2037">2037</td><td class="line"> <span class='keyword'>while</span> (*--last == '/' &amp;&amp; last != path);</td></tr>
2124<tr><td class="num" id="LN2038">2038</td><td class="line"> last[1] = '\0';</td></tr>
2125<tr><td class="num" id="LN2039">2039</td><td class="line"> </td></tr>
2126<tr><td class="num" id="LN2040">2040</td><td class="line"> <span class='keyword'>if</span> (last == path &amp;&amp; last[0] == '/') {</td></tr>
2127<tr><td class="num" id="LN2041">2041</td><td class="line"> <span class='comment'>// This path points to the root of the file system</span></td></tr>
2128<tr><td class="num" id="LN2042">2042</td><td class="line"> strcpy(filename, <span class='string_literal'>"."</span>);</td></tr>
2129<tr><td class="num" id="LN2043">2043</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2130<tr><td class="num" id="LN2044">2044</td><td class="line"> }</td></tr>
2131<tr><td class="num" id="LN2045">2045</td><td class="line"> <span class='keyword'>for</span> (; last != path &amp;&amp; *(last - 1) != '/'; last--);</td></tr>
2132<tr><td class="num" id="LN2046">2046</td><td class="line"> <span class='comment'>// rewind to the start of the leaf before the '/'</span></td></tr>
2133<tr><td class="num" id="LN2047">2047</td><td class="line"> }</td></tr>
2134<tr><td class="num" id="LN2048">2048</td><td class="line"> </td></tr>
2135<tr><td class="num" id="LN2049">2049</td><td class="line"> <span class='comment'>// normal leaf: replace the leaf portion of the path with a '.'</span></td></tr>
2136<tr><td class="num" id="LN2050">2050</td><td class="line"> <span class='keyword'>if</span> (strlcpy(filename, last, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &gt;= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
2137<tr><td class="num" id="LN2051">2051</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
2138<tr><td class="num" id="LN2052">2052</td><td class="line"> </td></tr>
2139<tr><td class="num" id="LN2053">2053</td><td class="line"> last[0] = '.';</td></tr>
2140<tr><td class="num" id="LN2054">2054</td><td class="line"> last[1] = '\0';</td></tr>
2141<tr><td class="num" id="LN2055">2055</td><td class="line"> }</td></tr>
2142<tr><td class="num" id="LN2056">2056</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2143<tr><td class="num" id="LN2057">2057</td><td class="line">}</td></tr>
2144<tr><td class="num" id="LN2058">2058</td><td class="line"> </td></tr>
2145<tr><td class="num" id="LN2059">2059</td><td class="line"> </td></tr>
2146<tr><td class="num" id="LN2060">2060</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2147<tr><td class="num" id="LN2061">2061</td><td class="line">entry_ref_to_vnode(dev_t mountID, ino_t directoryID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
2148<tr><td class="num" id="LN2062">2062</td><td class="line"> <span class='keyword'>bool</span> traverse, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
2149<tr><td class="num" id="LN2063">2063</td><td class="line">{</td></tr>
2150<tr><td class="num" id="LN2064">2064</td><td class="line"> <span class='keyword'>char</span> clonedName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span> + 1];</td></tr>
2151<tr><td class="num" id="LN2065">2065</td><td class="line"> <span class='keyword'>if</span> (strlcpy(clonedName, name, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &gt;= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
2152<tr><td class="num" id="LN2066">2066</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
2153<tr><td class="num" id="LN2067">2067</td><td class="line"> </td></tr>
2154<tr><td class="num" id="LN2068">2068</td><td class="line"> <span class='comment'>// get the directory vnode and let vnode_path_to_vnode() do the rest</span></td></tr>
2155<tr><td class="num" id="LN2069">2069</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
2156<tr><td class="num" id="LN2070">2070</td><td class="line"> </td></tr>
2157<tr><td class="num" id="LN2071">2071</td><td class="line"> status_t status = get_vnode(mountID, directoryID, &amp;directory, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
2158<tr><td class="num" id="LN2072">2072</td><td class="line"> <span class='keyword'>if</span> (status &lt; 0)</td></tr>
2159<tr><td class="num" id="LN2073">2073</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2160<tr><td class="num" id="LN2074">2074</td><td class="line"> </td></tr>
2161<tr><td class="num" id="LN2075">2075</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(directory, clonedName, traverse, 0, kernel,</td></tr>
2162<tr><td class="num" id="LN2076">2076</td><td class="line"> _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
2163<tr><td class="num" id="LN2077">2077</td><td class="line">}</td></tr>
2164<tr><td class="num" id="LN2078">2078</td><td class="line"> </td></tr>
2165<tr><td class="num" id="LN2079">2079</td><td class="line"> </td></tr>
2166<tr><td class="num" id="LN2080">2080</td><td class="line"><span class='comment'>/*! Looks up the entry with name \a name in the directory represented by \a dir</span></td></tr>
2167<tr><td class="num" id="LN2081">2081</td><td class="line"> <span class='comment'>and returns the respective vnode.</span></td></tr>
2168<tr><td class="num" id="LN2082">2082</td><td class="line"> <span class='comment'>On success a reference to the vnode is acquired for the caller.</span></td></tr>
2169<tr><td class="num" id="LN2083">2083</td><td class="line"><span class='comment'>*/</span></td></tr>
2170<tr><td class="num" id="LN2084">2084</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2171<tr><td class="num" id="LN2085">2085</td><td class="line">lookup_dir_entry(<span class='keyword'>struct</span> vnode* dir, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
2172<tr><td class="num" id="LN2086">2086</td><td class="line">{</td></tr>
2173<tr><td class="num" id="LN2087">2087</td><td class="line"> ino_t id;</td></tr>
2174<tr><td class="num" id="LN2088">2088</td><td class="line"> </td></tr>
2175<tr><td class="num" id="LN2089">2089</td><td class="line"> <span class='keyword'>if</span> (dir-&gt;mount-&gt;entry_cache.Lookup(dir-&gt;id, name, id))</td></tr>
2176<tr><td class="num" id="LN2090">2090</td><td class="line"> <span class='keyword'>return</span> get_vnode(dir-&gt;device, id, _vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
2177<tr><td class="num" id="LN2091">2091</td><td class="line"> </td></tr>
2178<tr><td class="num" id="LN2092">2092</td><td class="line"> status_t status = <span class='macro'>FS_CALL(dir, lookup, name, &amp;id)<span class='expansion'>( (dir-&gt;ops-&gt;lookup != __null) ? dir-&gt;ops-&gt;lookup<br>(dir-&gt;mount-&gt;volume, dir, name, &amp;id) : (panic("FS_CALL op "<br> "lookup" " is NULL"), 0))</span></span>;</td></tr>
2179<tr><td class="num" id="LN2093">2093</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2180<tr><td class="num" id="LN2094">2094</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2181<tr><td class="num" id="LN2095">2095</td><td class="line"> </td></tr>
2182<tr><td class="num" id="LN2096">2096</td><td class="line"> <span class='comment'>// The lookup() hook call get_vnode() or publish_vnode(), so we do already</span></td></tr>
2183<tr><td class="num" id="LN2097">2097</td><td class="line"> <span class='comment'>// have a reference and just need to look the node up.</span></td></tr>
2184<tr><td class="num" id="LN2098">2098</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
2185<tr><td class="num" id="LN2099">2099</td><td class="line"> *_vnode = lookup_vnode(dir-&gt;device, id);</td></tr>
2186<tr><td class="num" id="LN2100">2100</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
2187<tr><td class="num" id="LN2101">2101</td><td class="line"> </td></tr>
2188<tr><td class="num" id="LN2102">2102</td><td class="line"> <span class='keyword'>if</span> (*_vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
2189<tr><td class="num" id="LN2103">2103</td><td class="line"> panic(<span class='string_literal'>"lookup_dir_entry(): could not lookup vnode (mountid 0x%"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span></td></tr>
2190<tr><td class="num" id="LN2104">2104</td><td class="line"> <span class='string_literal'>" vnid 0x%"</span> <span class='macro'>B_PRIx64<span class='expansion'>"ll" "x"</span></span> <span class='string_literal'>")\n"</span>, dir-&gt;device, id);</td></tr>
2191<tr><td class="num" id="LN2105">2105</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2192<tr><td class="num" id="LN2106">2106</td><td class="line"> }</td></tr>
2193<tr><td class="num" id="LN2107">2107</td><td class="line"> </td></tr>
2194<tr><td class="num" id="LN2108">2108</td><td class="line"><span class='comment'>// ktrace_printf("lookup_dir_entry(): dir: %p (%ld, %lld), name: \"%s\" -&gt; "</span></td></tr>
2195<tr><td class="num" id="LN2109">2109</td><td class="line"><span class='comment'>// "%p (%ld, %lld)", dir, dir-&gt;mount-&gt;id, dir-&gt;id, name, *_vnode,</span></td></tr>
2196<tr><td class="num" id="LN2110">2110</td><td class="line"><span class='comment'>// (*_vnode)-&gt;mount-&gt;id, (*_vnode)-&gt;id);</span></td></tr>
2197<tr><td class="num" id="LN2111">2111</td><td class="line"> </td></tr>
2198<tr><td class="num" id="LN2112">2112</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2199<tr><td class="num" id="LN2113">2113</td><td class="line">}</td></tr>
2200<tr><td class="num" id="LN2114">2114</td><td class="line"> </td></tr>
2201<tr><td class="num" id="LN2115">2115</td><td class="line"> </td></tr>
2202<tr><td class="num" id="LN2116">2116</td><td class="line"><span class='comment'>/*! Returns the vnode for the relative path starting at the specified \a vnode.</span></td></tr>
2203<tr><td class="num" id="LN2117">2117</td><td class="line"> <span class='comment'>\a path must not be NULL.</span></td></tr>
2204<tr><td class="num" id="LN2118">2118</td><td class="line"> <span class='comment'>If it returns successfully, \a path contains the name of the last path</span></td></tr>
2205<tr><td class="num" id="LN2119">2119</td><td class="line"> <span class='comment'>component. This function clobbers the buffer pointed to by \a path only</span></td></tr>
2206<tr><td class="num" id="LN2120">2120</td><td class="line"> <span class='comment'>if it does contain more than one component.</span></td></tr>
2207<tr><td class="num" id="LN2121">2121</td><td class="line"> <span class='comment'>Note, this reduces the ref_count of the starting \a vnode, no matter if</span></td></tr>
2208<tr><td class="num" id="LN2122">2122</td><td class="line"> <span class='comment'>it is successful or not!</span></td></tr>
2209<tr><td class="num" id="LN2123">2123</td><td class="line"><span class='comment'>*/</span></td></tr>
2210<tr><td class="num" id="LN2124">2124</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2211<tr><td class="num" id="LN2125">2125</td><td class="line">vnode_path_to_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
2212<tr><td class="num" id="LN2126">2126</td><td class="line"> <span class='keyword'>int</span> count, <span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> vnode** _vnode,</td></tr>
2213<tr><td class="num" id="LN2127">2127</td><td class="line"> ino_t* _parentID)</td></tr>
2214<tr><td class="num" id="LN2128">2128</td><td class="line">{</td></tr>
2215<tr><td class="num" id="LN2129">2129</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2216<tr><td class="num" id="LN2130">2130</td><td class="line"> ino_t lastParentID = vnode-&gt;id;</td></tr>
2217<tr><td class="num" id="LN2131">2131</td><td class="line"> </td></tr>
2218<tr><td class="num" id="LN2132">2132</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vnode_path_to_vnode(vnode = %p, path = %s)\n"</span>, vnode, path))<span class='expansion'>;</span></span>;</td></tr>
2219<tr><td class="num" id="LN2133">2133</td><td class="line"> </td></tr>
2220<tr><td class="num" id="LN2134">2134</td><td class="line"> <span class='keyword'>if</span> (path == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
2221<tr><td class="num" id="LN2135">2135</td><td class="line"> put_vnode(vnode);</td></tr>
2222<tr><td class="num" id="LN2136">2136</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2223<tr><td class="num" id="LN2137">2137</td><td class="line"> }</td></tr>
2224<tr><td class="num" id="LN2138">2138</td><td class="line"> </td></tr>
2225<tr><td class="num" id="LN2139">2139</td><td class="line"> <span class='keyword'>if</span> (*path == '\0') {</td></tr>
2226<tr><td class="num" id="LN2140">2140</td><td class="line"> put_vnode(vnode);</td></tr>
2227<tr><td class="num" id="LN2141">2141</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2228<tr><td class="num" id="LN2142">2142</td><td class="line"> }</td></tr>
2229<tr><td class="num" id="LN2143">2143</td><td class="line"> </td></tr>
2230<tr><td class="num" id="LN2144">2144</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
2231<tr><td class="num" id="LN2145">2145</td><td class="line"> <span class='keyword'>struct</span> vnode* nextVnode;</td></tr>
2232<tr><td class="num" id="LN2146">2146</td><td class="line"> <span class='keyword'>char</span>* nextPath;</td></tr>
2233<tr><td class="num" id="LN2147">2147</td><td class="line"> </td></tr>
2234<tr><td class="num" id="LN2148">2148</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vnode_path_to_vnode: top of loop. p = %p, p = '%s'\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
2235<tr><td class="num" id="LN2149">2149</td><td class="line"> <span class='macro'>path))<span class='expansion'>;</span></span>;</td></tr>
2236<tr><td class="num" id="LN2150">2150</td><td class="line"> </td></tr>
2237<tr><td class="num" id="LN2151">2151</td><td class="line"> <span class='comment'>// done?</span></td></tr>
2238<tr><td class="num" id="LN2152">2152</td><td class="line"> <span class='keyword'>if</span> (path[0] == '\0')</td></tr>
2239<tr><td class="num" id="LN2153">2153</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2240<tr><td class="num" id="LN2154">2154</td><td class="line"> </td></tr>
2241<tr><td class="num" id="LN2155">2155</td><td class="line"> <span class='comment'>// walk to find the next path component ("path" will point to a single</span></td></tr>
2242<tr><td class="num" id="LN2156">2156</td><td class="line"> <span class='comment'>// path component), and filter out multiple slashes</span></td></tr>
2243<tr><td class="num" id="LN2157">2157</td><td class="line"> <span class='keyword'>for</span> (nextPath = path + 1; *nextPath != '\0' &amp;&amp; *nextPath != '/';</td></tr>
2244<tr><td class="num" id="LN2158">2158</td><td class="line"> nextPath++);</td></tr>
2245<tr><td class="num" id="LN2159">2159</td><td class="line"> </td></tr>
2246<tr><td class="num" id="LN2160">2160</td><td class="line"> <span class='keyword'>if</span> (*nextPath == '/') {</td></tr>
2247<tr><td class="num" id="LN2161">2161</td><td class="line"> *nextPath = '\0';</td></tr>
2248<tr><td class="num" id="LN2162">2162</td><td class="line"> <span class='keyword'>do</span></td></tr>
2249<tr><td class="num" id="LN2163">2163</td><td class="line"> nextPath++;</td></tr>
2250<tr><td class="num" id="LN2164">2164</td><td class="line"> <span class='keyword'>while</span> (*nextPath == '/');</td></tr>
2251<tr><td class="num" id="LN2165">2165</td><td class="line"> }</td></tr>
2252<tr><td class="num" id="LN2166">2166</td><td class="line"> </td></tr>
2253<tr><td class="num" id="LN2167">2167</td><td class="line"> <span class='comment'>// See if the '..' is at a covering vnode move to the covered</span></td></tr>
2254<tr><td class="num" id="LN2168">2168</td><td class="line"> <span class='comment'>// vnode so we pass the '..' path to the underlying filesystem.</span></td></tr>
2255<tr><td class="num" id="LN2169">2169</td><td class="line"> <span class='comment'>// Also prevent breaking the root of the IO context.</span></td></tr>
2256<tr><td class="num" id="LN2170">2170</td><td class="line"> <span class='keyword'>if</span> (strcmp(<span class='string_literal'>".."</span>, path) == 0) {</td></tr>
2257<tr><td class="num" id="LN2171">2171</td><td class="line"> <span class='keyword'>if</span> (vnode == ioContext-&gt;root) {</td></tr>
2258<tr><td class="num" id="LN2172">2172</td><td class="line"> <span class='comment'>// Attempted prison break! Keep it contained.</span></td></tr>
2259<tr><td class="num" id="LN2173">2173</td><td class="line"> path = nextPath;</td></tr>
2260<tr><td class="num" id="LN2174">2174</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
2261<tr><td class="num" id="LN2175">2175</td><td class="line"> }</td></tr>
2262<tr><td class="num" id="LN2176">2176</td><td class="line"> </td></tr>
2263<tr><td class="num" id="LN2177">2177</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(vnode)) {</td></tr>
2264<tr><td class="num" id="LN2178">2178</td><td class="line"> nextVnode = coveredVnode;</td></tr>
2265<tr><td class="num" id="LN2179">2179</td><td class="line"> put_vnode(vnode);</td></tr>
2266<tr><td class="num" id="LN2180">2180</td><td class="line"> vnode = nextVnode;</td></tr>
2267<tr><td class="num" id="LN2181">2181</td><td class="line"> }</td></tr>
2268<tr><td class="num" id="LN2182">2182</td><td class="line"> }</td></tr>
2269<tr><td class="num" id="LN2183">2183</td><td class="line"> </td></tr>
2270<tr><td class="num" id="LN2184">2184</td><td class="line"> <span class='comment'>// check if vnode is really a directory</span></td></tr>
2271<tr><td class="num" id="LN2185">2185</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; !<span class='macro'>S_ISDIR(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000040000)</span></span>)</td></tr>
2272<tr><td class="num" id="LN2186">2186</td><td class="line"> status = <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
2273<tr><td class="num" id="LN2187">2187</td><td class="line"> </td></tr>
2274<tr><td class="num" id="LN2188">2188</td><td class="line"> <span class='comment'>// Check if we have the right to search the current directory vnode.</span></td></tr>
2275<tr><td class="num" id="LN2189">2189</td><td class="line"> <span class='comment'>// If a file system doesn't have the access() function, we assume that</span></td></tr>
2276<tr><td class="num" id="LN2190">2190</td><td class="line"> <span class='comment'>// searching a directory is always allowed</span></td></tr>
2277<tr><td class="num" id="LN2191">2191</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; <span class='macro'>HAS_FS_CALL(vnode, access)<span class='expansion'>(vnode-&gt;ops-&gt;access != __null)</span></span>)</td></tr>
2278<tr><td class="num" id="LN2192">2192</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, access, X_OK)<span class='expansion'>( (vnode-&gt;ops-&gt;access != __null) ? vnode-&gt;ops-&gt;access<br>(vnode-&gt;mount-&gt;volume, vnode, 1) : (panic("FS_CALL op "<br> "access" " is NULL"), 0))</span></span>;</td></tr>
2279<tr><td class="num" id="LN2193">2193</td><td class="line"> </td></tr>
2280<tr><td class="num" id="LN2194">2194</td><td class="line"> <span class='comment'>// Tell the filesystem to get the vnode of this path component (if we</span></td></tr>
2281<tr><td class="num" id="LN2195">2195</td><td class="line"> <span class='comment'>// got the permission from the call above)</span></td></tr>
2282<tr><td class="num" id="LN2196">2196</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2283<tr><td class="num" id="LN2197">2197</td><td class="line"> status = lookup_dir_entry(vnode, path, &amp;nextVnode);</td></tr>
2284<tr><td class="num" id="LN2198">2198</td><td class="line"> </td></tr>
2285<tr><td class="num" id="LN2199">2199</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
2286<tr><td class="num" id="LN2200">2200</td><td class="line"> put_vnode(vnode);</td></tr>
2287<tr><td class="num" id="LN2201">2201</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2288<tr><td class="num" id="LN2202">2202</td><td class="line"> }</td></tr>
2289<tr><td class="num" id="LN2203">2203</td><td class="line"> </td></tr>
2290<tr><td class="num" id="LN2204">2204</td><td class="line"> <span class='comment'>// If the new node is a symbolic link, resolve it (if we've been told</span></td></tr>
2291<tr><td class="num" id="LN2205">2205</td><td class="line"> <span class='comment'>// to do it)</span></td></tr>
2292<tr><td class="num" id="LN2206">2206</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISLNK(nextVnode-&gt;Type())<span class='expansion'>(((nextVnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span></td></tr>
2293<tr><td class="num" id="LN2207">2207</td><td class="line"> &amp;&amp; (traverseLeafLink || nextPath[0] != '\0')) {</td></tr>
2294<tr><td class="num" id="LN2208">2208</td><td class="line"> size_t bufferSize;</td></tr>
2295<tr><td class="num" id="LN2209">2209</td><td class="line"> <span class='keyword'>char</span>* buffer;</td></tr>
2296<tr><td class="num" id="LN2210">2210</td><td class="line"> </td></tr>
2297<tr><td class="num" id="LN2211">2211</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"traverse link\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
2298<tr><td class="num" id="LN2212">2212</td><td class="line"> </td></tr>
2299<tr><td class="num" id="LN2213">2213</td><td class="line"> <span class='comment'>// it's not exactly nice style using goto in this way, but hey,</span></td></tr>
2300<tr><td class="num" id="LN2214">2214</td><td class="line"> <span class='comment'>// it works :-/</span></td></tr>
2301<tr><td class="num" id="LN2215">2215</td><td class="line"> <span class='keyword'>if</span> (count + 1 &gt; <span class='macro'>B_MAX_SYMLINKS<span class='expansion'>(16)</span></span>) {</td></tr>
2302<tr><td class="num" id="LN2216">2216</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
2303<tr><td class="num" id="LN2217">2217</td><td class="line"> <span class='keyword'>goto</span> resolve_link_error;</td></tr>
2304<tr><td class="num" id="LN2218">2218</td><td class="line"> }</td></tr>
2305<tr><td class="num" id="LN2219">2219</td><td class="line"> </td></tr>
2306<tr><td class="num" id="LN2220">2220</td><td class="line"> buffer = (<span class='keyword'>char</span>*)malloc(bufferSize = <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
2307<tr><td class="num" id="LN2221">2221</td><td class="line"> <span class='keyword'>if</span> (buffer == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
2308<tr><td class="num" id="LN2222">2222</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
2309<tr><td class="num" id="LN2223">2223</td><td class="line"> <span class='keyword'>goto</span> resolve_link_error;</td></tr>
2310<tr><td class="num" id="LN2224">2224</td><td class="line"> }</td></tr>
2311<tr><td class="num" id="LN2225">2225</td><td class="line"> </td></tr>
2312<tr><td class="num" id="LN2226">2226</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(nextVnode, read_symlink)<span class='expansion'>(nextVnode-&gt;ops-&gt;read_symlink != __null)</span></span>) {</td></tr>
2313<tr><td class="num" id="LN2227">2227</td><td class="line"> bufferSize--;</td></tr>
2314<tr><td class="num" id="LN2228">2228</td><td class="line"> status = <span class='macro'>FS_CALL(nextVnode, read_symlink, buffer, &amp;bufferSize)<span class='expansion'>( (nextVnode-&gt;ops-&gt;read_symlink != __null) ? nextVnode-&gt;<br>ops-&gt;read_symlink(nextVnode-&gt;mount-&gt;volume, nextVnode<br>, buffer, &amp;bufferSize) : (panic("FS_CALL op " "read_symlink"<br> " is NULL"), 0))</span></span>;</td></tr>
2315<tr><td class="num" id="LN2229">2229</td><td class="line"> <span class='comment'>// null-terminate</span></td></tr>
2316<tr><td class="num" id="LN2230">2230</td><td class="line"> <span class='keyword'>if</span> (status &gt;= 0)</td></tr>
2317<tr><td class="num" id="LN2231">2231</td><td class="line"> buffer[bufferSize] = '\0';</td></tr>
2318<tr><td class="num" id="LN2232">2232</td><td class="line"> } <span class='keyword'>else</span></td></tr>
2319<tr><td class="num" id="LN2233">2233</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2320<tr><td class="num" id="LN2234">2234</td><td class="line"> </td></tr>
2321<tr><td class="num" id="LN2235">2235</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
2322<tr><td class="num" id="LN2236">2236</td><td class="line"> free(buffer);</td></tr>
2323<tr><td class="num" id="LN2237">2237</td><td class="line"> </td></tr>
2324<tr><td class="num" id="LN2238">2238</td><td class="line"> resolve_link_error:</td></tr>
2325<tr><td class="num" id="LN2239">2239</td><td class="line"> put_vnode(vnode);</td></tr>
2326<tr><td class="num" id="LN2240">2240</td><td class="line"> put_vnode(nextVnode);</td></tr>
2327<tr><td class="num" id="LN2241">2241</td><td class="line"> </td></tr>
2328<tr><td class="num" id="LN2242">2242</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2329<tr><td class="num" id="LN2243">2243</td><td class="line"> }</td></tr>
2330<tr><td class="num" id="LN2244">2244</td><td class="line"> put_vnode(nextVnode);</td></tr>
2331<tr><td class="num" id="LN2245">2245</td><td class="line"> </td></tr>
2332<tr><td class="num" id="LN2246">2246</td><td class="line"> <span class='comment'>// Check if we start from the root directory or the current</span></td></tr>
2333<tr><td class="num" id="LN2247">2247</td><td class="line"> <span class='comment'>// directory ("vnode" still points to that one).</span></td></tr>
2334<tr><td class="num" id="LN2248">2248</td><td class="line"> <span class='comment'>// Cut off all leading slashes if it's the root directory</span></td></tr>
2335<tr><td class="num" id="LN2249">2249</td><td class="line"> path = buffer;</td></tr>
2336<tr><td class="num" id="LN2250">2250</td><td class="line"> <span class='keyword'>bool</span> absoluteSymlink = <span class='keyword'>false</span>;</td></tr>
2337<tr><td class="num" id="LN2251">2251</td><td class="line"> <span class='keyword'>if</span> (path[0] == '/') {</td></tr>
2338<tr><td class="num" id="LN2252">2252</td><td class="line"> <span class='comment'>// we don't need the old directory anymore</span></td></tr>
2339<tr><td class="num" id="LN2253">2253</td><td class="line"> put_vnode(vnode);</td></tr>
2340<tr><td class="num" id="LN2254">2254</td><td class="line"> </td></tr>
2341<tr><td class="num" id="LN2255">2255</td><td class="line"> <span class='keyword'>while</span> (*++path == '/')</td></tr>
2342<tr><td class="num" id="LN2256">2256</td><td class="line"> ;</td></tr>
2343<tr><td class="num" id="LN2257">2257</td><td class="line"> </td></tr>
2344<tr><td class="num" id="LN2258">2258</td><td class="line"> mutex_lock(&amp;sIOContextRootLock);</td></tr>
2345<tr><td class="num" id="LN2259">2259</td><td class="line"> vnode = ioContext-&gt;root;</td></tr>
2346<tr><td class="num" id="LN2260">2260</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
2347<tr><td class="num" id="LN2261">2261</td><td class="line"> mutex_unlock(&amp;sIOContextRootLock);</td></tr>
2348<tr><td class="num" id="LN2262">2262</td><td class="line"> </td></tr>
2349<tr><td class="num" id="LN2263">2263</td><td class="line"> absoluteSymlink = <span class='keyword'>true</span>;</td></tr>
2350<tr><td class="num" id="LN2264">2264</td><td class="line"> }</td></tr>
2351<tr><td class="num" id="LN2265">2265</td><td class="line"> </td></tr>
2352<tr><td class="num" id="LN2266">2266</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
2353<tr><td class="num" id="LN2267">2267</td><td class="line"> <span class='comment'>// balance the next recursion - we will decrement the</span></td></tr>
2354<tr><td class="num" id="LN2268">2268</td><td class="line"> <span class='comment'>// ref_count of the vnode, no matter if we succeeded or not</span></td></tr>
2355<tr><td class="num" id="LN2269">2269</td><td class="line"> </td></tr>
2356<tr><td class="num" id="LN2270">2270</td><td class="line"> <span class='keyword'>if</span> (absoluteSymlink &amp;&amp; *path == '\0') {</td></tr>
2357<tr><td class="num" id="LN2271">2271</td><td class="line"> <span class='comment'>// symlink was just "/"</span></td></tr>
2358<tr><td class="num" id="LN2272">2272</td><td class="line"> nextVnode = vnode;</td></tr>
2359<tr><td class="num" id="LN2273">2273</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
2360<tr><td class="num" id="LN2274">2274</td><td class="line"> status = vnode_path_to_vnode(vnode, path, <span class='keyword'>true</span>, count + 1,</td></tr>
2361<tr><td class="num" id="LN2275">2275</td><td class="line"> ioContext, &amp;nextVnode, &amp;lastParentID);</td></tr>
2362<tr><td class="num" id="LN2276">2276</td><td class="line"> }</td></tr>
2363<tr><td class="num" id="LN2277">2277</td><td class="line"> </td></tr>
2364<tr><td class="num" id="LN2278">2278</td><td class="line"> free(buffer);</td></tr>
2365<tr><td class="num" id="LN2279">2279</td><td class="line"> </td></tr>
2366<tr><td class="num" id="LN2280">2280</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
2367<tr><td class="num" id="LN2281">2281</td><td class="line"> put_vnode(vnode);</td></tr>
2368<tr><td class="num" id="LN2282">2282</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2369<tr><td class="num" id="LN2283">2283</td><td class="line"> }</td></tr>
2370<tr><td class="num" id="LN2284">2284</td><td class="line"> } <span class='keyword'>else</span></td></tr>
2371<tr><td class="num" id="LN2285">2285</td><td class="line"> lastParentID = vnode-&gt;id;</td></tr>
2372<tr><td class="num" id="LN2286">2286</td><td class="line"> </td></tr>
2373<tr><td class="num" id="LN2287">2287</td><td class="line"> <span class='comment'>// decrease the ref count on the old dir we just looked up into</span></td></tr>
2374<tr><td class="num" id="LN2288">2288</td><td class="line"> put_vnode(vnode);</td></tr>
2375<tr><td class="num" id="LN2289">2289</td><td class="line"> </td></tr>
2376<tr><td class="num" id="LN2290">2290</td><td class="line"> path = nextPath;</td></tr>
2377<tr><td class="num" id="LN2291">2291</td><td class="line"> vnode = nextVnode;</td></tr>
2378<tr><td class="num" id="LN2292">2292</td><td class="line"> </td></tr>
2379<tr><td class="num" id="LN2293">2293</td><td class="line"> <span class='comment'>// see if we hit a covered node</span></td></tr>
2380<tr><td class="num" id="LN2294">2294</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = get_covering_vnode(vnode)) {</td></tr>
2381<tr><td class="num" id="LN2295">2295</td><td class="line"> put_vnode(vnode);</td></tr>
2382<tr><td class="num" id="LN2296">2296</td><td class="line"> vnode = coveringNode;</td></tr>
2383<tr><td class="num" id="LN2297">2297</td><td class="line"> }</td></tr>
2384<tr><td class="num" id="LN2298">2298</td><td class="line"> }</td></tr>
2385<tr><td class="num" id="LN2299">2299</td><td class="line"> </td></tr>
2386<tr><td class="num" id="LN2300">2300</td><td class="line"> *_vnode = vnode;</td></tr>
2387<tr><td class="num" id="LN2301">2301</td><td class="line"> <span class='keyword'>if</span> (_parentID)</td></tr>
2388<tr><td class="num" id="LN2302">2302</td><td class="line"> *_parentID = lastParentID;</td></tr>
2389<tr><td class="num" id="LN2303">2303</td><td class="line"> </td></tr>
2390<tr><td class="num" id="LN2304">2304</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2391<tr><td class="num" id="LN2305">2305</td><td class="line">}</td></tr>
2392<tr><td class="num" id="LN2306">2306</td><td class="line"> </td></tr>
2393<tr><td class="num" id="LN2307">2307</td><td class="line"> </td></tr>
2394<tr><td class="num" id="LN2308">2308</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2395<tr><td class="num" id="LN2309">2309</td><td class="line">vnode_path_to_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
2396<tr><td class="num" id="LN2310">2310</td><td class="line"> <span class='keyword'>int</span> count, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID)</td></tr>
2397<tr><td class="num" id="LN2311">2311</td><td class="line">{</td></tr>
2398<tr><td class="num" id="LN2312">2312</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(vnode, path, traverseLeafLink, count,</td></tr>
2399<tr><td class="num" id="LN2313">2313</td><td class="line"> get_current_io_context(kernel), _vnode, _parentID);</td></tr>
2400<tr><td class="num" id="LN2314">2314</td><td class="line">}</td></tr>
2401<tr><td class="num" id="LN2315">2315</td><td class="line"> </td></tr>
2402<tr><td class="num" id="LN2316">2316</td><td class="line"> </td></tr>
2403<tr><td class="num" id="LN2317">2317</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2404<tr><td class="num" id="LN2318">2318</td><td class="line">path_to_vnode(<span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLink, <span class='keyword'>struct</span> vnode** _vnode,</td></tr>
2405<tr><td class="num" id="LN2319">2319</td><td class="line"> ino_t* _parentID, <span class='keyword'>bool</span> kernel)</td></tr>
2406<tr><td class="num" id="LN2320">2320</td><td class="line">{</td></tr>
2407<tr><td class="num" id="LN2321">2321</td><td class="line"> <span class='keyword'>struct</span> vnode* start = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
2408<tr><td class="num" id="LN2322">2322</td><td class="line"> </td></tr>
2409<tr><td class="num" id="LN2323">2323</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"path_to_vnode(path = \"%s\")\n"</span>, path))<span class='expansion'>;</span></span>;</td></tr>
2410<tr><td class="num" id="LN2324">2324</td><td class="line"> </td></tr>
2411<tr><td class="num" id="LN2325">2325</td><td class="line"> <span class='keyword'>if</span> (!path)</td></tr>
2412<tr><td class="num" id="LN2326">2326</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2413<tr><td class="num" id="LN2327">2327</td><td class="line"> </td></tr>
2414<tr><td class="num" id="LN2328">2328</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
2415<tr><td class="num" id="LN2329">2329</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2416<tr><td class="num" id="LN2330">2330</td><td class="line"> </td></tr>
2417<tr><td class="num" id="LN2331">2331</td><td class="line"> <span class='comment'>// figure out if we need to start at root or at cwd</span></td></tr>
2418<tr><td class="num" id="LN2332">2332</td><td class="line"> <span class='keyword'>if</span> (*path == '/') {</td></tr>
2419<tr><td class="num" id="LN2333">2333</td><td class="line"> <span class='keyword'>if</span> (sRoot == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
2420<tr><td class="num" id="LN2334">2334</td><td class="line"> <span class='comment'>// we're a bit early, aren't we?</span></td></tr>
2421<tr><td class="num" id="LN2335">2335</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
2422<tr><td class="num" id="LN2336">2336</td><td class="line"> }</td></tr>
2423<tr><td class="num" id="LN2337">2337</td><td class="line"> </td></tr>
2424<tr><td class="num" id="LN2338">2338</td><td class="line"> <span class='keyword'>while</span> (*++path == '/')</td></tr>
2425<tr><td class="num" id="LN2339">2339</td><td class="line"> ;</td></tr>
2426<tr><td class="num" id="LN2340">2340</td><td class="line"> start = get_root_vnode(kernel);</td></tr>
2427<tr><td class="num" id="LN2341">2341</td><td class="line"> </td></tr>
2428<tr><td class="num" id="LN2342">2342</td><td class="line"> <span class='keyword'>if</span> (*path == '\0') {</td></tr>
2429<tr><td class="num" id="LN2343">2343</td><td class="line"> *_vnode = start;</td></tr>
2430<tr><td class="num" id="LN2344">2344</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2431<tr><td class="num" id="LN2345">2345</td><td class="line"> }</td></tr>
2432<tr><td class="num" id="LN2346">2346</td><td class="line"> </td></tr>
2433<tr><td class="num" id="LN2347">2347</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
2434<tr><td class="num" id="LN2348">2348</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
2435<tr><td class="num" id="LN2349">2349</td><td class="line"> </td></tr>
2436<tr><td class="num" id="LN2350">2350</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
2437<tr><td class="num" id="LN2351">2351</td><td class="line"> start = context-&gt;cwd;</td></tr>
2438<tr><td class="num" id="LN2352">2352</td><td class="line"> <span class='keyword'>if</span> (start != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
2439<tr><td class="num" id="LN2353">2353</td><td class="line"> inc_vnode_ref_count(start);</td></tr>
2440<tr><td class="num" id="LN2354">2354</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
2441<tr><td class="num" id="LN2355">2355</td><td class="line"> </td></tr>
2442<tr><td class="num" id="LN2356">2356</td><td class="line"> <span class='keyword'>if</span> (start == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
2443<tr><td class="num" id="LN2357">2357</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
2444<tr><td class="num" id="LN2358">2358</td><td class="line"> }</td></tr>
2445<tr><td class="num" id="LN2359">2359</td><td class="line"> </td></tr>
2446<tr><td class="num" id="LN2360">2360</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(start, path, traverseLink, 0, kernel, _vnode,</td></tr>
2447<tr><td class="num" id="LN2361">2361</td><td class="line"> _parentID);</td></tr>
2448<tr><td class="num" id="LN2362">2362</td><td class="line">}</td></tr>
2449<tr><td class="num" id="LN2363">2363</td><td class="line"> </td></tr>
2450<tr><td class="num" id="LN2364">2364</td><td class="line"> </td></tr>
2451<tr><td class="num" id="LN2365">2365</td><td class="line"><span class='comment'>/*! Returns the vnode in the next to last segment of the path, and returns</span></td></tr>
2452<tr><td class="num" id="LN2366">2366</td><td class="line"> <span class='comment'>the last portion in filename.</span></td></tr>
2453<tr><td class="num" id="LN2367">2367</td><td class="line"> <span class='comment'>The path buffer must be able to store at least one additional character.</span></td></tr>
2454<tr><td class="num" id="LN2368">2368</td><td class="line"><span class='comment'>*/</span></td></tr>
2455<tr><td class="num" id="LN2369">2369</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2456<tr><td class="num" id="LN2370">2370</td><td class="line">path_to_dir_vnode(<span class='keyword'>char</span>* path, <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>char</span>* filename,</td></tr>
2457<tr><td class="num" id="LN2371">2371</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
2458<tr><td class="num" id="LN2372">2372</td><td class="line">{</td></tr>
2459<tr><td class="num" id="LN2373">2373</td><td class="line"> status_t status = get_dir_path_and_leaf(path, filename);</td></tr>
2460<tr><td class="num" id="LN2374">2374</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2461<tr><td class="num" id="LN2375">2375</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2462<tr><td class="num" id="LN2376">2376</td><td class="line"> </td></tr>
2463<tr><td class="num" id="LN2377">2377</td><td class="line"> <span class='keyword'>return</span> path_to_vnode(path, <span class='keyword'>true</span>, _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
2464<tr><td class="num" id="LN2378">2378</td><td class="line">}</td></tr>
2465<tr><td class="num" id="LN2379">2379</td><td class="line"> </td></tr>
2466<tr><td class="num" id="LN2380">2380</td><td class="line"> </td></tr>
2467<tr><td class="num" id="LN2381">2381</td><td class="line"><span class='comment'>/*! \brief Retrieves the directory vnode and the leaf name of an entry referred</span></td></tr>
2468<tr><td class="num" id="LN2382">2382</td><td class="line"> <span class='comment'>to by a FD + path pair.</span></td></tr>
2469<tr><td class="num" id="LN2383">2383</td><td class="line"> </td></tr>
2470<tr><td class="num" id="LN2384">2384</td><td class="line"> <span class='comment'>\a path must be given in either case. \a fd might be omitted, in which</span></td></tr>
2471<tr><td class="num" id="LN2385">2385</td><td class="line"> <span class='comment'>case \a path is either an absolute path or one relative to the current</span></td></tr>
2472<tr><td class="num" id="LN2386">2386</td><td class="line"> <span class='comment'>directory. If both a supplied and \a path is relative it is reckoned off</span></td></tr>
2473<tr><td class="num" id="LN2387">2387</td><td class="line"> <span class='comment'>of the directory referred to by \a fd. If \a path is absolute \a fd is</span></td></tr>
2474<tr><td class="num" id="LN2388">2388</td><td class="line"> <span class='comment'>ignored.</span></td></tr>
2475<tr><td class="num" id="LN2389">2389</td><td class="line"> </td></tr>
2476<tr><td class="num" id="LN2390">2390</td><td class="line"> <span class='comment'>The caller has the responsibility to call put_vnode() on the returned</span></td></tr>
2477<tr><td class="num" id="LN2391">2391</td><td class="line"> <span class='comment'>directory vnode.</span></td></tr>
2478<tr><td class="num" id="LN2392">2392</td><td class="line"> </td></tr>
2479<tr><td class="num" id="LN2393">2393</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
2480<tr><td class="num" id="LN2394">2394</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL. The buffer</span></td></tr>
2481<tr><td class="num" id="LN2395">2395</td><td class="line"> <span class='comment'>is modified by this function. It must have at least room for a</span></td></tr>
2482<tr><td class="num" id="LN2396">2396</td><td class="line"> <span class='comment'>string one character longer than the path it contains.</span></td></tr>
2483<tr><td class="num" id="LN2397">2397</td><td class="line"> <span class='comment'>\param _vnode A pointer to a variable the directory vnode shall be written</span></td></tr>
2484<tr><td class="num" id="LN2398">2398</td><td class="line"> <span class='comment'>into.</span></td></tr>
2485<tr><td class="num" id="LN2399">2399</td><td class="line"> <span class='comment'>\param filename A buffer of size B_FILE_NAME_LENGTH or larger into which</span></td></tr>
2486<tr><td class="num" id="LN2400">2400</td><td class="line"> <span class='comment'>the leaf name of the specified entry will be written.</span></td></tr>
2487<tr><td class="num" id="LN2401">2401</td><td class="line"> <span class='comment'>\param kernel \c true, if invoked from inside the kernel, \c false if</span></td></tr>
2488<tr><td class="num" id="LN2402">2402</td><td class="line"> <span class='comment'>invoked from userland.</span></td></tr>
2489<tr><td class="num" id="LN2403">2403</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, another error code otherwise.</span></td></tr>
2490<tr><td class="num" id="LN2404">2404</td><td class="line"><span class='comment'>*/</span></td></tr>
2491<tr><td class="num" id="LN2405">2405</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2492<tr><td class="num" id="LN2406">2406</td><td class="line">fd_and_path_to_dir_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>struct</span> vnode** _vnode,</td></tr>
2493<tr><td class="num" id="LN2407">2407</td><td class="line"> <span class='keyword'>char</span>* filename, <span class='keyword'>bool</span> kernel)</td></tr>
2494<tr><td class="num" id="LN2408">2408</td><td class="line">{</td></tr>
2495<tr><td class="num" id="LN2409">2409</td><td class="line"> <span class='keyword'>if</span> (!path)</td></tr>
2496<tr><td class="num" id="LN2410">2410</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2497<tr><td class="num" id="LN2411">2411</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
2498<tr><td class="num" id="LN2412">2412</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2499<tr><td class="num" id="LN2413">2413</td><td class="line"> <span class='keyword'>if</span> (fd &lt; 0)</td></tr>
2500<tr><td class="num" id="LN2414">2414</td><td class="line"> <span class='keyword'>return</span> path_to_dir_vnode(path, _vnode, filename, kernel);</td></tr>
2501<tr><td class="num" id="LN2415">2415</td><td class="line"> </td></tr>
2502<tr><td class="num" id="LN2416">2416</td><td class="line"> status_t status = get_dir_path_and_leaf(path, filename);</td></tr>
2503<tr><td class="num" id="LN2417">2417</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2504<tr><td class="num" id="LN2418">2418</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2505<tr><td class="num" id="LN2419">2419</td><td class="line"> </td></tr>
2506<tr><td class="num" id="LN2420">2420</td><td class="line"> <span class='keyword'>return</span> fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
2507<tr><td class="num" id="LN2421">2421</td><td class="line">}</td></tr>
2508<tr><td class="num" id="LN2422">2422</td><td class="line"> </td></tr>
2509<tr><td class="num" id="LN2423">2423</td><td class="line"> </td></tr>
2510<tr><td class="num" id="LN2424">2424</td><td class="line"><span class='comment'>/*! \brief Retrieves the directory vnode and the leaf name of an entry referred</span></td></tr>
2511<tr><td class="num" id="LN2425">2425</td><td class="line"> <span class='comment'>to by a vnode + path pair.</span></td></tr>
2512<tr><td class="num" id="LN2426">2426</td><td class="line"> </td></tr>
2513<tr><td class="num" id="LN2427">2427</td><td class="line"> <span class='comment'>\a path must be given in either case. \a vnode might be omitted, in which</span></td></tr>
2514<tr><td class="num" id="LN2428">2428</td><td class="line"> <span class='comment'>case \a path is either an absolute path or one relative to the current</span></td></tr>
2515<tr><td class="num" id="LN2429">2429</td><td class="line"> <span class='comment'>directory. If both a supplied and \a path is relative it is reckoned off</span></td></tr>
2516<tr><td class="num" id="LN2430">2430</td><td class="line"> <span class='comment'>of the directory referred to by \a vnode. If \a path is absolute \a vnode is</span></td></tr>
2517<tr><td class="num" id="LN2431">2431</td><td class="line"> <span class='comment'>ignored.</span></td></tr>
2518<tr><td class="num" id="LN2432">2432</td><td class="line"> </td></tr>
2519<tr><td class="num" id="LN2433">2433</td><td class="line"> <span class='comment'>The caller has the responsibility to call put_vnode() on the returned</span></td></tr>
2520<tr><td class="num" id="LN2434">2434</td><td class="line"> <span class='comment'>directory vnode.</span></td></tr>
2521<tr><td class="num" id="LN2435">2435</td><td class="line"> </td></tr>
2522<tr><td class="num" id="LN2436">2436</td><td class="line"> <span class='comment'>\param vnode The vnode. May be \c NULL.</span></td></tr>
2523<tr><td class="num" id="LN2437">2437</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL. The buffer</span></td></tr>
2524<tr><td class="num" id="LN2438">2438</td><td class="line"> <span class='comment'>is modified by this function. It must have at least room for a</span></td></tr>
2525<tr><td class="num" id="LN2439">2439</td><td class="line"> <span class='comment'>string one character longer than the path it contains.</span></td></tr>
2526<tr><td class="num" id="LN2440">2440</td><td class="line"> <span class='comment'>\param _vnode A pointer to a variable the directory vnode shall be written</span></td></tr>
2527<tr><td class="num" id="LN2441">2441</td><td class="line"> <span class='comment'>into.</span></td></tr>
2528<tr><td class="num" id="LN2442">2442</td><td class="line"> <span class='comment'>\param filename A buffer of size B_FILE_NAME_LENGTH or larger into which</span></td></tr>
2529<tr><td class="num" id="LN2443">2443</td><td class="line"> <span class='comment'>the leaf name of the specified entry will be written.</span></td></tr>
2530<tr><td class="num" id="LN2444">2444</td><td class="line"> <span class='comment'>\param kernel \c true, if invoked from inside the kernel, \c false if</span></td></tr>
2531<tr><td class="num" id="LN2445">2445</td><td class="line"> <span class='comment'>invoked from userland.</span></td></tr>
2532<tr><td class="num" id="LN2446">2446</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, another error code otherwise.</span></td></tr>
2533<tr><td class="num" id="LN2447">2447</td><td class="line"><span class='comment'>*/</span></td></tr>
2534<tr><td class="num" id="LN2448">2448</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2535<tr><td class="num" id="LN2449">2449</td><td class="line">vnode_and_path_to_dir_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* path,</td></tr>
2536<tr><td class="num" id="LN2450">2450</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>char</span>* filename, <span class='keyword'>bool</span> kernel)</td></tr>
2537<tr><td class="num" id="LN2451">2451</td><td class="line">{</td></tr>
2538<tr><td class="num" id="LN2452">2452</td><td class="line"> <span class='keyword'>if</span> (!path)</td></tr>
2539<tr><td class="num" id="LN2453">2453</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2540<tr><td class="num" id="LN2454">2454</td><td class="line"> <span class='keyword'>if</span> (*path == '\0')</td></tr>
2541<tr><td class="num" id="LN2455">2455</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2542<tr><td class="num" id="LN2456">2456</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || path[0] == '/')</td></tr>
2543<tr><td class="num" id="LN2457">2457</td><td class="line"> <span class='keyword'>return</span> path_to_dir_vnode(path, _vnode, filename, kernel);</td></tr>
2544<tr><td class="num" id="LN2458">2458</td><td class="line"> </td></tr>
2545<tr><td class="num" id="LN2459">2459</td><td class="line"> status_t status = get_dir_path_and_leaf(path, filename);</td></tr>
2546<tr><td class="num" id="LN2460">2460</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2547<tr><td class="num" id="LN2461">2461</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2548<tr><td class="num" id="LN2462">2462</td><td class="line"> </td></tr>
2549<tr><td class="num" id="LN2463">2463</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
2550<tr><td class="num" id="LN2464">2464</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() always decrements the ref count</span></td></tr>
2551<tr><td class="num" id="LN2465">2465</td><td class="line"> </td></tr>
2552<tr><td class="num" id="LN2466">2466</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(vnode, path, <span class='keyword'>true</span>, 0, kernel, _vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
2553<tr><td class="num" id="LN2467">2467</td><td class="line">}</td></tr>
2554<tr><td class="num" id="LN2468">2468</td><td class="line"> </td></tr>
2555<tr><td class="num" id="LN2469">2469</td><td class="line"> </td></tr>
2556<tr><td class="num" id="LN2470">2470</td><td class="line"><span class='comment'>/*! Returns a vnode's name in the d_name field of a supplied dirent buffer.</span></td></tr>
2557<tr><td class="num" id="LN2471">2471</td><td class="line"><span class='comment'>*/</span></td></tr>
2558<tr><td class="num" id="LN2472">2472</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2559<tr><td class="num" id="LN2473">2473</td><td class="line">get_vnode_name(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> vnode* parent, <span class='keyword'>struct</span> dirent* buffer,</td></tr>
2560<tr><td class="num" id="LN2474">2474</td><td class="line"> size_t bufferSize, <span class='keyword'>struct</span> io_context* ioContext)</td></tr>
2561<tr><td class="num" id="LN2475">2475</td><td class="line">{</td></tr>
2562<tr><td class="num" id="LN2476">2476</td><td class="line"> <span class='keyword'>if</span> (bufferSize &lt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent))</td></tr>
2563<tr><td class="num" id="LN2477">2477</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2564<tr><td class="num" id="LN2478">2478</td><td class="line"> </td></tr>
2565<tr><td class="num" id="LN2479">2479</td><td class="line"> <span class='comment'>// See if the vnode is convering another vnode and move to the covered</span></td></tr>
2566<tr><td class="num" id="LN2480">2480</td><td class="line"> <span class='comment'>// vnode so we get the underlying file system</span></td></tr>
2567<tr><td class="num" id="LN2481">2481</td><td class="line"> VNodePutter vnodePutter;</td></tr>
2568<tr><td class="num" id="LN2482">2482</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(vnode)) {</td></tr>
2569<tr><td class="num" id="LN2483">2483</td><td class="line"> vnode = coveredVnode;</td></tr>
2570<tr><td class="num" id="LN2484">2484</td><td class="line"> vnodePutter.SetTo(vnode);</td></tr>
2571<tr><td class="num" id="LN2485">2485</td><td class="line"> }</td></tr>
2572<tr><td class="num" id="LN2486">2486</td><td class="line"> </td></tr>
2573<tr><td class="num" id="LN2487">2487</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, get_vnode_name)<span class='expansion'>(vnode-&gt;ops-&gt;get_vnode_name != __null)</span></span>) {</td></tr>
2574<tr><td class="num" id="LN2488">2488</td><td class="line"> <span class='comment'>// The FS supports getting the name of a vnode.</span></td></tr>
2575<tr><td class="num" id="LN2489">2489</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>FS_CALL(vnode, get_vnode_name, buffer-&gt;d_name,<span class='expansion'>( (vnode-&gt;ops-&gt;get_vnode_name != __null) ? vnode-&gt;ops<br>-&gt;get_vnode_name(vnode-&gt;mount-&gt;volume, vnode, buffer<br>-&gt;d_name, (char*)buffer + bufferSize - buffer-&gt;d_name) :<br> (panic("FS_CALL op " "get_vnode_name" " is NULL"), 0))</span></span></td></tr>
2576<tr><td class="num" id="LN2490">2490</td><td class="line"> <span class='macro'>(<span class='keyword'>char</span>*)buffer + bufferSize - buffer-&gt;d_name)<span class='expansion'>( (vnode-&gt;ops-&gt;get_vnode_name != __null) ? vnode-&gt;ops<br>-&gt;get_vnode_name(vnode-&gt;mount-&gt;volume, vnode, buffer<br>-&gt;d_name, (char*)buffer + bufferSize - buffer-&gt;d_name) :<br> (panic("FS_CALL op " "get_vnode_name" " is NULL"), 0))</span></span> == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2577<tr><td class="num" id="LN2491">2491</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2578<tr><td class="num" id="LN2492">2492</td><td class="line"> }</td></tr>
2579<tr><td class="num" id="LN2493">2493</td><td class="line"> </td></tr>
2580<tr><td class="num" id="LN2494">2494</td><td class="line"> <span class='comment'>// The FS doesn't support getting the name of a vnode. So we search the</span></td></tr>
2581<tr><td class="num" id="LN2495">2495</td><td class="line"> <span class='comment'>// parent directory for the vnode, if the caller let us.</span></td></tr>
2582<tr><td class="num" id="LN2496">2496</td><td class="line"> </td></tr>
2583<tr><td class="num" id="LN2497">2497</td><td class="line"> <span class='keyword'>if</span> (parent == <span class='macro'>NULL<span class='expansion'>__null</span></span> || !<span class='macro'>HAS_FS_CALL(parent, read_dir)<span class='expansion'>(parent-&gt;ops-&gt;read_dir != __null)</span></span>)</td></tr>
2584<tr><td class="num" id="LN2498">2498</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
2585<tr><td class="num" id="LN2499">2499</td><td class="line"> </td></tr>
2586<tr><td class="num" id="LN2500">2500</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
2587<tr><td class="num" id="LN2501">2501</td><td class="line"> </td></tr>
2588<tr><td class="num" id="LN2502">2502</td><td class="line"> status_t status = <span class='macro'>FS_CALL(parent, open_dir, &amp;cookie)<span class='expansion'>( (parent-&gt;ops-&gt;open_dir != __null) ? parent-&gt;ops-&gt;<br>open_dir(parent-&gt;mount-&gt;volume, parent, &amp;cookie) : (<br>panic("FS_CALL op " "open_dir" " is NULL"), 0))</span></span>;</td></tr>
2589<tr><td class="num" id="LN2503">2503</td><td class="line"> <span class='keyword'>if</span> (status &gt;= <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
2590<tr><td class="num" id="LN2504">2504</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
2591<tr><td class="num" id="LN2505">2505</td><td class="line"> uint32 num = 1;</td></tr>
2592<tr><td class="num" id="LN2506">2506</td><td class="line"> <span class='comment'>// We use the FS hook directly instead of dir_read(), since we don't</span></td></tr>
2593<tr><td class="num" id="LN2507">2507</td><td class="line"> <span class='comment'>// want the entries to be fixed. We have already resolved vnode to</span></td></tr>
2594<tr><td class="num" id="LN2508">2508</td><td class="line"> <span class='comment'>// the covered node.</span></td></tr>
2595<tr><td class="num" id="LN2509">2509</td><td class="line"> status = <span class='macro'>FS_CALL(parent, read_dir, cookie, buffer, bufferSize,<span class='expansion'>( (parent-&gt;ops-&gt;read_dir != __null) ? parent-&gt;ops-&gt;<br>read_dir(parent-&gt;mount-&gt;volume, parent, cookie, buffer,<br> bufferSize, &amp;num) : (panic("FS_CALL op " "read_dir" " is NULL"<br>), 0))</span></span></td></tr>
2596<tr><td class="num" id="LN2510">2510</td><td class="line"> <span class='macro'>&amp;num)<span class='expansion'>( (parent-&gt;ops-&gt;read_dir != __null) ? parent-&gt;ops-&gt;<br>read_dir(parent-&gt;mount-&gt;volume, parent, cookie, buffer,<br> bufferSize, &amp;num) : (panic("FS_CALL op " "read_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
2597<tr><td class="num" id="LN2511">2511</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2598<tr><td class="num" id="LN2512">2512</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2599<tr><td class="num" id="LN2513">2513</td><td class="line"> <span class='keyword'>if</span> (num == 0) {</td></tr>
2600<tr><td class="num" id="LN2514">2514</td><td class="line"> status = <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2601<tr><td class="num" id="LN2515">2515</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2602<tr><td class="num" id="LN2516">2516</td><td class="line"> }</td></tr>
2603<tr><td class="num" id="LN2517">2517</td><td class="line"> </td></tr>
2604<tr><td class="num" id="LN2518">2518</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;id == buffer-&gt;d_ino) {</td></tr>
2605<tr><td class="num" id="LN2519">2519</td><td class="line"> <span class='comment'>// found correct entry!</span></td></tr>
2606<tr><td class="num" id="LN2520">2520</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2607<tr><td class="num" id="LN2521">2521</td><td class="line"> }</td></tr>
2608<tr><td class="num" id="LN2522">2522</td><td class="line"> }</td></tr>
2609<tr><td class="num" id="LN2523">2523</td><td class="line"> </td></tr>
2610<tr><td class="num" id="LN2524">2524</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_dir, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_dir != __null) ? vnode-&gt;ops-&gt;<br>close_dir(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_dir" " is NULL"), 0))</span></span>;</td></tr>
2611<tr><td class="num" id="LN2525">2525</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_dir_cookie, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_dir_cookie != __null) ? vnode-&gt;ops<br>-&gt;free_dir_cookie(vnode-&gt;mount-&gt;volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_dir_cookie" " is NULL"), 0))</span></span>;</td></tr>
2612<tr><td class="num" id="LN2526">2526</td><td class="line"> }</td></tr>
2613<tr><td class="num" id="LN2527">2527</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2614<tr><td class="num" id="LN2528">2528</td><td class="line">}</td></tr>
2615<tr><td class="num" id="LN2529">2529</td><td class="line"> </td></tr>
2616<tr><td class="num" id="LN2530">2530</td><td class="line"> </td></tr>
2617<tr><td class="num" id="LN2531">2531</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2618<tr><td class="num" id="LN2532">2532</td><td class="line">get_vnode_name(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> vnode* parent, <span class='keyword'>char</span>* name,</td></tr>
2619<tr><td class="num" id="LN2533">2533</td><td class="line"> size_t nameSize, <span class='keyword'>bool</span> kernel)</td></tr>
2620<tr><td class="num" id="LN2534">2534</td><td class="line">{</td></tr>
2621<tr><td class="num" id="LN2535">2535</td><td class="line"> <span class='keyword'>char</span> buffer[<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent) + <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
2622<tr><td class="num" id="LN2536">2536</td><td class="line"> <span class='keyword'>struct</span> dirent* dirent = (<span class='keyword'>struct</span> dirent*)buffer;</td></tr>
2623<tr><td class="num" id="LN2537">2537</td><td class="line"> </td></tr>
2624<tr><td class="num" id="LN2538">2538</td><td class="line"> status_t status = get_vnode_name(vnode, parent, dirent, <span class='keyword'>sizeof</span>(buffer),</td></tr>
2625<tr><td class="num" id="LN2539">2539</td><td class="line"> get_current_io_context(kernel));</td></tr>
2626<tr><td class="num" id="LN2540">2540</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2627<tr><td class="num" id="LN2541">2541</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2628<tr><td class="num" id="LN2542">2542</td><td class="line"> </td></tr>
2629<tr><td class="num" id="LN2543">2543</td><td class="line"> <span class='keyword'>if</span> (strlcpy(name, dirent-&gt;d_name, nameSize) &gt;= nameSize)</td></tr>
2630<tr><td class="num" id="LN2544">2544</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
2631<tr><td class="num" id="LN2545">2545</td><td class="line"> </td></tr>
2632<tr><td class="num" id="LN2546">2546</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2633<tr><td class="num" id="LN2547">2547</td><td class="line">}</td></tr>
2634<tr><td class="num" id="LN2548">2548</td><td class="line"> </td></tr>
2635<tr><td class="num" id="LN2549">2549</td><td class="line"> </td></tr>
2636<tr><td class="num" id="LN2550">2550</td><td class="line"><span class='comment'>/*! Gets the full path to a given directory vnode.</span></td></tr>
2637<tr><td class="num" id="LN2551">2551</td><td class="line"> <span class='comment'>It uses the fs_get_vnode_name() call to get the name of a vnode; if a</span></td></tr>
2638<tr><td class="num" id="LN2552">2552</td><td class="line"> <span class='comment'>file system doesn't support this call, it will fall back to iterating</span></td></tr>
2639<tr><td class="num" id="LN2553">2553</td><td class="line"> <span class='comment'>through the parent directory to get the name of the child.</span></td></tr>
2640<tr><td class="num" id="LN2554">2554</td><td class="line"> </td></tr>
2641<tr><td class="num" id="LN2555">2555</td><td class="line"> <span class='comment'>To protect against circular loops, it supports a maximum tree depth</span></td></tr>
2642<tr><td class="num" id="LN2556">2556</td><td class="line"> <span class='comment'>of 256 levels.</span></td></tr>
2643<tr><td class="num" id="LN2557">2557</td><td class="line"> </td></tr>
2644<tr><td class="num" id="LN2558">2558</td><td class="line"> <span class='comment'>Note that the path may not be correct the time this function returns!</span></td></tr>
2645<tr><td class="num" id="LN2559">2559</td><td class="line"> <span class='comment'>It doesn't use any locking to prevent returning the correct path, as</span></td></tr>
2646<tr><td class="num" id="LN2560">2560</td><td class="line"> <span class='comment'>paths aren't safe anyway: the path to a file can change at any time.</span></td></tr>
2647<tr><td class="num" id="LN2561">2561</td><td class="line"> </td></tr>
2648<tr><td class="num" id="LN2562">2562</td><td class="line"> <span class='comment'>It might be a good idea, though, to check if the returned path exists</span></td></tr>
2649<tr><td class="num" id="LN2563">2563</td><td class="line"> <span class='comment'>in the calling function (it's not done here because of efficiency)</span></td></tr>
2650<tr><td class="num" id="LN2564">2564</td><td class="line"><span class='comment'>*/</span></td></tr>
2651<tr><td class="num" id="LN2565">2565</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2652<tr><td class="num" id="LN2566">2566</td><td class="line">dir_vnode_to_path(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* buffer, size_t bufferSize,</td></tr>
2653<tr><td class="num" id="LN2567">2567</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
2654<tr><td class="num" id="LN2568">2568</td><td class="line">{</td></tr>
2655<tr><td class="num" id="LN2569">2569</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_vnode_to_path(%p, %p, %lu)\n"</span>, vnode, buffer, bufferSize))<span class='expansion'>;</span></span>;</td></tr>
2656<tr><td class="num" id="LN2570">2570</td><td class="line"> </td></tr>
2657<tr><td class="num" id="LN2571">2571</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || buffer == <span class='macro'>NULL<span class='expansion'>__null</span></span> || bufferSize == 0)</td></tr>
2658<tr><td class="num" id="LN2572">2572</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2659<tr><td class="num" id="LN2573">2573</td><td class="line"> </td></tr>
2660<tr><td class="num" id="LN2574">2574</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>S_ISDIR(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000040000)</span></span>)</td></tr>
2661<tr><td class="num" id="LN2575">2575</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
2662<tr><td class="num" id="LN2576">2576</td><td class="line"> </td></tr>
2663<tr><td class="num" id="LN2577">2577</td><td class="line"> <span class='keyword'>char</span>* path = buffer;</td></tr>
2664<tr><td class="num" id="LN2578">2578</td><td class="line"> int32 insert = bufferSize;</td></tr>
2665<tr><td class="num" id="LN2579">2579</td><td class="line"> int32 maxLevel = 256;</td></tr>
2666<tr><td class="num" id="LN2580">2580</td><td class="line"> int32 length;</td></tr>
2667<tr><td class="num" id="LN2581">2581</td><td class="line"> status_t status;</td></tr>
2668<tr><td class="num" id="LN2582">2582</td><td class="line"> <span class='keyword'>struct</span> io_context* ioContext = get_current_io_context(kernel);</td></tr>
2669<tr><td class="num" id="LN2583">2583</td><td class="line"> </td></tr>
2670<tr><td class="num" id="LN2584">2584</td><td class="line"> <span class='comment'>// we don't use get_vnode() here because this call is more</span></td></tr>
2671<tr><td class="num" id="LN2585">2585</td><td class="line"> <span class='comment'>// efficient and does all we need from get_vnode()</span></td></tr>
2672<tr><td class="num" id="LN2586">2586</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
2673<tr><td class="num" id="LN2587">2587</td><td class="line"> </td></tr>
2674<tr><td class="num" id="LN2588">2588</td><td class="line"> <span class='keyword'>if</span> (vnode != ioContext-&gt;root) {</td></tr>
2675<tr><td class="num" id="LN2589">2589</td><td class="line"> <span class='comment'>// we don't hit the IO context root</span></td></tr>
2676<tr><td class="num" id="LN2590">2590</td><td class="line"> <span class='comment'>// resolve a vnode to its covered vnode</span></td></tr>
2677<tr><td class="num" id="LN2591">2591</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(vnode)) {</td></tr>
2678<tr><td class="num" id="LN2592">2592</td><td class="line"> put_vnode(vnode);</td></tr>
2679<tr><td class="num" id="LN2593">2593</td><td class="line"> vnode = coveredVnode;</td></tr>
2680<tr><td class="num" id="LN2594">2594</td><td class="line"> }</td></tr>
2681<tr><td class="num" id="LN2595">2595</td><td class="line"> }</td></tr>
2682<tr><td class="num" id="LN2596">2596</td><td class="line"> </td></tr>
2683<tr><td class="num" id="LN2597">2597</td><td class="line"> path[--insert] = '\0';</td></tr>
2684<tr><td class="num" id="LN2598">2598</td><td class="line"> <span class='comment'>// the path is filled right to left</span></td></tr>
2685<tr><td class="num" id="LN2599">2599</td><td class="line"> </td></tr>
2686<tr><td class="num" id="LN2600">2600</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
2687<tr><td class="num" id="LN2601">2601</td><td class="line"> <span class='comment'>// the name buffer is also used for fs_read_dir()</span></td></tr>
2688<tr><td class="num" id="LN2602">2602</td><td class="line"> <span class='keyword'>char</span> nameBuffer[<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent) + <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
2689<tr><td class="num" id="LN2603">2603</td><td class="line"> <span class='keyword'>char</span>* name = &amp;((<span class='keyword'>struct</span> dirent*)nameBuffer)-&gt;d_name[0];</td></tr>
2690<tr><td class="num" id="LN2604">2604</td><td class="line"> <span class='keyword'>struct</span> vnode* parentVnode;</td></tr>
2691<tr><td class="num" id="LN2605">2605</td><td class="line"> </td></tr>
2692<tr><td class="num" id="LN2606">2606</td><td class="line"> <span class='comment'>// lookup the parent vnode</span></td></tr>
2693<tr><td class="num" id="LN2607">2607</td><td class="line"> <span class='keyword'>if</span> (vnode == ioContext-&gt;root) {</td></tr>
2694<tr><td class="num" id="LN2608">2608</td><td class="line"> <span class='comment'>// we hit the IO context root</span></td></tr>
2695<tr><td class="num" id="LN2609">2609</td><td class="line"> parentVnode = vnode;</td></tr>
2696<tr><td class="num" id="LN2610">2610</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
2697<tr><td class="num" id="LN2611">2611</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
2698<tr><td class="num" id="LN2612">2612</td><td class="line"> status = lookup_dir_entry(vnode, <span class='string_literal'>".."</span>, &amp;parentVnode);</td></tr>
2699<tr><td class="num" id="LN2613">2613</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2700<tr><td class="num" id="LN2614">2614</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
2701<tr><td class="num" id="LN2615">2615</td><td class="line"> }</td></tr>
2702<tr><td class="num" id="LN2616">2616</td><td class="line"> </td></tr>
2703<tr><td class="num" id="LN2617">2617</td><td class="line"> <span class='comment'>// get the node's name</span></td></tr>
2704<tr><td class="num" id="LN2618">2618</td><td class="line"> status = get_vnode_name(vnode, parentVnode, (<span class='keyword'>struct</span> dirent*)nameBuffer,</td></tr>
2705<tr><td class="num" id="LN2619">2619</td><td class="line"> <span class='keyword'>sizeof</span>(nameBuffer), ioContext);</td></tr>
2706<tr><td class="num" id="LN2620">2620</td><td class="line"> </td></tr>
2707<tr><td class="num" id="LN2621">2621</td><td class="line"> <span class='keyword'>if</span> (vnode != ioContext-&gt;root) {</td></tr>
2708<tr><td class="num" id="LN2622">2622</td><td class="line"> <span class='comment'>// we don't hit the IO context root</span></td></tr>
2709<tr><td class="num" id="LN2623">2623</td><td class="line"> <span class='comment'>// resolve a vnode to its covered vnode</span></td></tr>
2710<tr><td class="num" id="LN2624">2624</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredVnode = get_covered_vnode(parentVnode)) {</td></tr>
2711<tr><td class="num" id="LN2625">2625</td><td class="line"> put_vnode(parentVnode);</td></tr>
2712<tr><td class="num" id="LN2626">2626</td><td class="line"> parentVnode = coveredVnode;</td></tr>
2713<tr><td class="num" id="LN2627">2627</td><td class="line"> }</td></tr>
2714<tr><td class="num" id="LN2628">2628</td><td class="line"> }</td></tr>
2715<tr><td class="num" id="LN2629">2629</td><td class="line"> </td></tr>
2716<tr><td class="num" id="LN2630">2630</td><td class="line"> <span class='keyword'>bool</span> hitRoot = (parentVnode == vnode);</td></tr>
2717<tr><td class="num" id="LN2631">2631</td><td class="line"> </td></tr>
2718<tr><td class="num" id="LN2632">2632</td><td class="line"> <span class='comment'>// release the current vnode, we only need its parent from now on</span></td></tr>
2719<tr><td class="num" id="LN2633">2633</td><td class="line"> put_vnode(vnode);</td></tr>
2720<tr><td class="num" id="LN2634">2634</td><td class="line"> vnode = parentVnode;</td></tr>
2721<tr><td class="num" id="LN2635">2635</td><td class="line"> </td></tr>
2722<tr><td class="num" id="LN2636">2636</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2723<tr><td class="num" id="LN2637">2637</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
2724<tr><td class="num" id="LN2638">2638</td><td class="line"> </td></tr>
2725<tr><td class="num" id="LN2639">2639</td><td class="line"> <span class='keyword'>if</span> (hitRoot) {</td></tr>
2726<tr><td class="num" id="LN2640">2640</td><td class="line"> <span class='comment'>// we have reached "/", which means we have constructed the full</span></td></tr>
2727<tr><td class="num" id="LN2641">2641</td><td class="line"> <span class='comment'>// path</span></td></tr>
2728<tr><td class="num" id="LN2642">2642</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2729<tr><td class="num" id="LN2643">2643</td><td class="line"> }</td></tr>
2730<tr><td class="num" id="LN2644">2644</td><td class="line"> </td></tr>
2731<tr><td class="num" id="LN2645">2645</td><td class="line"> <span class='comment'>// TODO: add an explicit check for loops in about 10 levels to do</span></td></tr>
2732<tr><td class="num" id="LN2646">2646</td><td class="line"> <span class='comment'>// real loop detection</span></td></tr>
2733<tr><td class="num" id="LN2647">2647</td><td class="line"> </td></tr>
2734<tr><td class="num" id="LN2648">2648</td><td class="line"> <span class='comment'>// don't go deeper as 'maxLevel' to prevent circular loops</span></td></tr>
2735<tr><td class="num" id="LN2649">2649</td><td class="line"> <span class='keyword'>if</span> (maxLevel-- &lt; 0) {</td></tr>
2736<tr><td class="num" id="LN2650">2650</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
2737<tr><td class="num" id="LN2651">2651</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
2738<tr><td class="num" id="LN2652">2652</td><td class="line"> }</td></tr>
2739<tr><td class="num" id="LN2653">2653</td><td class="line"> </td></tr>
2740<tr><td class="num" id="LN2654">2654</td><td class="line"> <span class='comment'>// add the name in front of the current path</span></td></tr>
2741<tr><td class="num" id="LN2655">2655</td><td class="line"> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span> - 1] = '\0';</td></tr>
2742<tr><td class="num" id="LN2656">2656</td><td class="line"> length = strlen(name);</td></tr>
2743<tr><td class="num" id="LN2657">2657</td><td class="line"> insert -= length;</td></tr>
2744<tr><td class="num" id="LN2658">2658</td><td class="line"> <span class='keyword'>if</span> (insert &lt;= 0) {</td></tr>
2745<tr><td class="num" id="LN2659">2659</td><td class="line"> status = <span class='macro'>B_RESULT_NOT_REPRESENTABLE<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 17))</span></span>;</td></tr>
2746<tr><td class="num" id="LN2660">2660</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
2747<tr><td class="num" id="LN2661">2661</td><td class="line"> }</td></tr>
2748<tr><td class="num" id="LN2662">2662</td><td class="line"> memcpy(path + insert, name, length);</td></tr>
2749<tr><td class="num" id="LN2663">2663</td><td class="line"> path[--insert] = '/';</td></tr>
2750<tr><td class="num" id="LN2664">2664</td><td class="line"> }</td></tr>
2751<tr><td class="num" id="LN2665">2665</td><td class="line"> </td></tr>
2752<tr><td class="num" id="LN2666">2666</td><td class="line"> <span class='comment'>// the root dir will result in an empty path: fix it</span></td></tr>
2753<tr><td class="num" id="LN2667">2667</td><td class="line"> <span class='keyword'>if</span> (path[insert] == '\0')</td></tr>
2754<tr><td class="num" id="LN2668">2668</td><td class="line"> path[--insert] = '/';</td></tr>
2755<tr><td class="num" id="LN2669">2669</td><td class="line"> </td></tr>
2756<tr><td class="num" id="LN2670">2670</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>" path is: %s\n"</span>, path + insert))<span class='expansion'>;</span></span>;</td></tr>
2757<tr><td class="num" id="LN2671">2671</td><td class="line"> </td></tr>
2758<tr><td class="num" id="LN2672">2672</td><td class="line"> <span class='comment'>// move the path to the start of the buffer</span></td></tr>
2759<tr><td class="num" id="LN2673">2673</td><td class="line"> length = bufferSize - insert;</td></tr>
2760<tr><td class="num" id="LN2674">2674</td><td class="line"> memmove(buffer, path + insert, length);</td></tr>
2761<tr><td class="num" id="LN2675">2675</td><td class="line"> </td></tr>
2762<tr><td class="num" id="LN2676">2676</td><td class="line">out:</td></tr>
2763<tr><td class="num" id="LN2677">2677</td><td class="line"> put_vnode(vnode);</td></tr>
2764<tr><td class="num" id="LN2678">2678</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
2765<tr><td class="num" id="LN2679">2679</td><td class="line">}</td></tr>
2766<tr><td class="num" id="LN2680">2680</td><td class="line"> </td></tr>
2767<tr><td class="num" id="LN2681">2681</td><td class="line"> </td></tr>
2768<tr><td class="num" id="LN2682">2682</td><td class="line"><span class='comment'>/*! Checks the length of every path component, and adds a '.'</span></td></tr>
2769<tr><td class="num" id="LN2683">2683</td><td class="line"> <span class='comment'>if the path ends in a slash.</span></td></tr>
2770<tr><td class="num" id="LN2684">2684</td><td class="line"> <span class='comment'>The given path buffer must be able to store at least one</span></td></tr>
2771<tr><td class="num" id="LN2685">2685</td><td class="line"> <span class='comment'>additional character.</span></td></tr>
2772<tr><td class="num" id="LN2686">2686</td><td class="line"><span class='comment'>*/</span></td></tr>
2773<tr><td class="num" id="LN2687">2687</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2774<tr><td class="num" id="LN2688">2688</td><td class="line">check_path(<span class='keyword'>char</span>* to)</td></tr>
2775<tr><td class="num" id="LN2689">2689</td><td class="line">{</td></tr>
2776<tr><td class="num" id="LN2690">2690</td><td class="line"> int32 length = 0;</td></tr>
2777<tr><td class="num" id="LN2691">2691</td><td class="line"> </td></tr>
2778<tr><td class="num" id="LN2692">2692</td><td class="line"> <span class='comment'>// check length of every path component</span></td></tr>
2779<tr><td class="num" id="LN2693">2693</td><td class="line"> </td></tr>
2780<tr><td class="num" id="LN2694">2694</td><td class="line"> <span class='keyword'>while</span> (*to) {</td></tr>
2781<tr><td class="num" id="LN2695">2695</td><td class="line"> <span class='keyword'>char</span>* begin;</td></tr>
2782<tr><td class="num" id="LN2696">2696</td><td class="line"> <span class='keyword'>if</span> (*to == '/')</td></tr>
2783<tr><td class="num" id="LN2697">2697</td><td class="line"> to++, length++;</td></tr>
2784<tr><td class="num" id="LN2698">2698</td><td class="line"> </td></tr>
2785<tr><td class="num" id="LN2699">2699</td><td class="line"> begin = to;</td></tr>
2786<tr><td class="num" id="LN2700">2700</td><td class="line"> <span class='keyword'>while</span> (*to != '/' &amp;&amp; *to)</td></tr>
2787<tr><td class="num" id="LN2701">2701</td><td class="line"> to++, length++;</td></tr>
2788<tr><td class="num" id="LN2702">2702</td><td class="line"> </td></tr>
2789<tr><td class="num" id="LN2703">2703</td><td class="line"> <span class='keyword'>if</span> (to - begin &gt; <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
2790<tr><td class="num" id="LN2704">2704</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
2791<tr><td class="num" id="LN2705">2705</td><td class="line"> }</td></tr>
2792<tr><td class="num" id="LN2706">2706</td><td class="line"> </td></tr>
2793<tr><td class="num" id="LN2707">2707</td><td class="line"> <span class='keyword'>if</span> (length == 0)</td></tr>
2794<tr><td class="num" id="LN2708">2708</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2795<tr><td class="num" id="LN2709">2709</td><td class="line"> </td></tr>
2796<tr><td class="num" id="LN2710">2710</td><td class="line"> <span class='comment'>// complete path if there is a slash at the end</span></td></tr>
2797<tr><td class="num" id="LN2711">2711</td><td class="line"> </td></tr>
2798<tr><td class="num" id="LN2712">2712</td><td class="line"> <span class='keyword'>if</span> (*(to - 1) == '/') {</td></tr>
2799<tr><td class="num" id="LN2713">2713</td><td class="line"> <span class='keyword'>if</span> (length &gt; <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> - 2)</td></tr>
2800<tr><td class="num" id="LN2714">2714</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
2801<tr><td class="num" id="LN2715">2715</td><td class="line"> </td></tr>
2802<tr><td class="num" id="LN2716">2716</td><td class="line"> to[0] = '.';</td></tr>
2803<tr><td class="num" id="LN2717">2717</td><td class="line"> to[1] = '\0';</td></tr>
2804<tr><td class="num" id="LN2718">2718</td><td class="line"> }</td></tr>
2805<tr><td class="num" id="LN2719">2719</td><td class="line"> </td></tr>
2806<tr><td class="num" id="LN2720">2720</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2807<tr><td class="num" id="LN2721">2721</td><td class="line">}</td></tr>
2808<tr><td class="num" id="LN2722">2722</td><td class="line"> </td></tr>
2809<tr><td class="num" id="LN2723">2723</td><td class="line"> </td></tr>
2810<tr><td class="num" id="LN2724">2724</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> file_descriptor*</td></tr>
2811<tr><td class="num" id="LN2725">2725</td><td class="line">get_fd_and_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>struct</span> vnode** _vnode, <span class='keyword'>bool</span> kernel)</td></tr>
2812<tr><td class="num" id="LN2726">2726</td><td class="line">{</td></tr>
2813<tr><td class="num" id="LN2727">2727</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
2814<tr><td class="num" id="LN2728">2728</td><td class="line"> = get_fd(get_current_io_context(kernel), fd);</td></tr>
2815<tr><td class="num" id="LN2729">2729</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
2816<tr><td class="num" id="LN2730">2730</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
2817<tr><td class="num" id="LN2731">2731</td><td class="line"> </td></tr>
2818<tr><td class="num" id="LN2732">2732</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
2819<tr><td class="num" id="LN2733">2733</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
2820<tr><td class="num" id="LN2734">2734</td><td class="line"> put_fd(descriptor);</td></tr>
2821<tr><td class="num" id="LN2735">2735</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
2822<tr><td class="num" id="LN2736">2736</td><td class="line"> }</td></tr>
2823<tr><td class="num" id="LN2737">2737</td><td class="line"> </td></tr>
2824<tr><td class="num" id="LN2738">2738</td><td class="line"> <span class='comment'>// ToDo: when we can close a file descriptor at any point, investigate</span></td></tr>
2825<tr><td class="num" id="LN2739">2739</td><td class="line"> <span class='comment'>// if this is still valid to do (accessing the vnode without ref_count</span></td></tr>
2826<tr><td class="num" id="LN2740">2740</td><td class="line"> <span class='comment'>// or locking)</span></td></tr>
2827<tr><td class="num" id="LN2741">2741</td><td class="line"> *_vnode = vnode;</td></tr>
2828<tr><td class="num" id="LN2742">2742</td><td class="line"> <span class='keyword'>return</span> descriptor;</td></tr>
2829<tr><td class="num" id="LN2743">2743</td><td class="line">}</td></tr>
2830<tr><td class="num" id="LN2744">2744</td><td class="line"> </td></tr>
2831<tr><td class="num" id="LN2745">2745</td><td class="line"> </td></tr>
2832<tr><td class="num" id="LN2746">2746</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>struct</span> vnode*</td></tr>
2833<tr><td class="num" id="LN2747">2747</td><td class="line">get_vnode_from_fd(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
2834<tr><td class="num" id="LN2748">2748</td><td class="line">{</td></tr>
2835<tr><td class="num" id="LN2749">2749</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
2836<tr><td class="num" id="LN2750">2750</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
2837<tr><td class="num" id="LN2751">2751</td><td class="line"> </td></tr>
2838<tr><td class="num" id="LN2752">2752</td><td class="line"> descriptor = get_fd(get_current_io_context(kernel), fd);</td></tr>
2839<tr><td class="num" id="LN2753">2753</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
2840<tr><td class="num" id="LN2754">2754</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
2841<tr><td class="num" id="LN2755">2755</td><td class="line"> </td></tr>
2842<tr><td class="num" id="LN2756">2756</td><td class="line"> vnode = fd_vnode(descriptor);</td></tr>
2843<tr><td class="num" id="LN2757">2757</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
2844<tr><td class="num" id="LN2758">2758</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
2845<tr><td class="num" id="LN2759">2759</td><td class="line"> </td></tr>
2846<tr><td class="num" id="LN2760">2760</td><td class="line"> put_fd(descriptor);</td></tr>
2847<tr><td class="num" id="LN2761">2761</td><td class="line"> <span class='keyword'>return</span> vnode;</td></tr>
2848<tr><td class="num" id="LN2762">2762</td><td class="line">}</td></tr>
2849<tr><td class="num" id="LN2763">2763</td><td class="line"> </td></tr>
2850<tr><td class="num" id="LN2764">2764</td><td class="line"> </td></tr>
2851<tr><td class="num" id="LN2765">2765</td><td class="line"><span class='comment'>/*! Gets the vnode from an FD + path combination. If \a fd is lower than zero,</span></td></tr>
2852<tr><td class="num" id="LN2766">2766</td><td class="line"> <span class='comment'>only the path will be considered. In this case, the \a path must not be</span></td></tr>
2853<tr><td class="num" id="LN2767">2767</td><td class="line"> <span class='comment'>NULL.</span></td></tr>
2854<tr><td class="num" id="LN2768">2768</td><td class="line"> <span class='comment'>If \a fd is a valid file descriptor, \a path may be NULL for directories,</span></td></tr>
2855<tr><td class="num" id="LN2769">2769</td><td class="line"> <span class='comment'>and should be NULL for files.</span></td></tr>
2856<tr><td class="num" id="LN2770">2770</td><td class="line"><span class='comment'>*/</span></td></tr>
2857<tr><td class="num" id="LN2771">2771</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2858<tr><td class="num" id="LN2772">2772</td><td class="line">fd_and_path_to_vnode(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
2859<tr><td class="num" id="LN2773">2773</td><td class="line"> <span class='keyword'>struct</span> vnode** _vnode, ino_t* _parentID, <span class='keyword'>bool</span> kernel)</td></tr>
2860<tr><td class="num" id="LN2774">2774</td><td class="line">{</td></tr>
2861<tr><td class="num" id="LN2775">2775</td><td class="line"> <span class='keyword'>if</span> (fd &lt; 0 &amp;&amp; !path)</td></tr>
2862<tr><td class="num" id="LN2776">2776</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
2863<tr><td class="num" id="LN2777">2777</td><td class="line"> </td></tr>
2864<tr><td class="num" id="LN2778">2778</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; *path == '\0')</td></tr>
2865<tr><td class="num" id="LN2779">2779</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
2866<tr><td class="num" id="LN2780">2780</td><td class="line"> </td></tr>
2867<tr><td class="num" id="LN2781">2781</td><td class="line"> <span class='keyword'>if</span> (fd &lt; 0 || (path != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; path[0] == '/')) {</td></tr>
2868<tr><td class="num" id="LN2782">2782</td><td class="line"> <span class='comment'>// no FD or absolute path</span></td></tr>
2869<tr><td class="num" id="LN2783">2783</td><td class="line"> <span class='keyword'>return</span> path_to_vnode(path, traverseLeafLink, _vnode, _parentID, kernel);</td></tr>
2870<tr><td class="num" id="LN2784">2784</td><td class="line"> }</td></tr>
2871<tr><td class="num" id="LN2785">2785</td><td class="line"> </td></tr>
2872<tr><td class="num" id="LN2786">2786</td><td class="line"> <span class='comment'>// FD only, or FD + relative path</span></td></tr>
2873<tr><td class="num" id="LN2787">2787</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = get_vnode_from_fd(fd, kernel);</td></tr>
2874<tr><td class="num" id="LN2788">2788</td><td class="line"> <span class='keyword'>if</span> (!vnode)</td></tr>
2875<tr><td class="num" id="LN2789">2789</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
2876<tr><td class="num" id="LN2790">2790</td><td class="line"> </td></tr>
2877<tr><td class="num" id="LN2791">2791</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
2878<tr><td class="num" id="LN2792">2792</td><td class="line"> <span class='keyword'>return</span> vnode_path_to_vnode(vnode, path, traverseLeafLink, 0, kernel,</td></tr>
2879<tr><td class="num" id="LN2793">2793</td><td class="line"> _vnode, _parentID);</td></tr>
2880<tr><td class="num" id="LN2794">2794</td><td class="line"> }</td></tr>
2881<tr><td class="num" id="LN2795">2795</td><td class="line"> </td></tr>
2882<tr><td class="num" id="LN2796">2796</td><td class="line"> <span class='comment'>// there is no relative path to take into account</span></td></tr>
2883<tr><td class="num" id="LN2797">2797</td><td class="line"> </td></tr>
2884<tr><td class="num" id="LN2798">2798</td><td class="line"> *_vnode = vnode;</td></tr>
2885<tr><td class="num" id="LN2799">2799</td><td class="line"> <span class='keyword'>if</span> (_parentID)</td></tr>
2886<tr><td class="num" id="LN2800">2800</td><td class="line"> *_parentID = -1;</td></tr>
2887<tr><td class="num" id="LN2801">2801</td><td class="line"> </td></tr>
2888<tr><td class="num" id="LN2802">2802</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
2889<tr><td class="num" id="LN2803">2803</td><td class="line">}</td></tr>
2890<tr><td class="num" id="LN2804">2804</td><td class="line"> </td></tr>
2891<tr><td class="num" id="LN2805">2805</td><td class="line"> </td></tr>
2892<tr><td class="num" id="LN2806">2806</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
2893<tr><td class="num" id="LN2807">2807</td><td class="line">get_new_fd(<span class='keyword'>int</span> type, <span class='keyword'>struct</span> fs_mount* mount, <span class='keyword'>struct</span> vnode* vnode,</td></tr>
2894<tr><td class="num" id="LN2808">2808</td><td class="line"> <span class='keyword'>void</span>* cookie, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
2895<tr><td class="num" id="LN2809">2809</td><td class="line">{</td></tr>
2896<tr><td class="num" id="LN2810">2810</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
2897<tr><td class="num" id="LN2811">2811</td><td class="line"> <span class='keyword'>int</span> fd;</td></tr>
2898<tr><td class="num" id="LN2812">2812</td><td class="line"> </td></tr>
2899<tr><td class="num" id="LN2813">2813</td><td class="line"> <span class='comment'>// If the vnode is locked, we don't allow creating a new file/directory</span></td></tr>
2900<tr><td class="num" id="LN2814">2814</td><td class="line"> <span class='comment'>// file_descriptor for it</span></td></tr>
2901<tr><td class="num" id="LN2815">2815</td><td class="line"> <span class='keyword'>if</span> (vnode &amp;&amp; vnode-&gt;mandatory_locked_by != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
2902<tr><td class="num" id="LN2816">2816</td><td class="line"> &amp;&amp; (type == FDTYPE_FILE || type == FDTYPE_DIR))</td></tr>
2903<tr><td class="num" id="LN2817">2817</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
2904<tr><td class="num" id="LN2818">2818</td><td class="line"> </td></tr>
2905<tr><td class="num" id="LN2819">2819</td><td class="line"> descriptor = alloc_fd();</td></tr>
2906<tr><td class="num" id="LN2820">2820</td><td class="line"> <span class='keyword'>if</span> (!descriptor)</td></tr>
2907<tr><td class="num" id="LN2821">2821</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
2908<tr><td class="num" id="LN2822">2822</td><td class="line"> </td></tr>
2909<tr><td class="num" id="LN2823">2823</td><td class="line"> <span class='keyword'>if</span> (vnode)</td></tr>
2910<tr><td class="num" id="LN2824">2824</td><td class="line"> descriptor-&gt;u.vnode = vnode;</td></tr>
2911<tr><td class="num" id="LN2825">2825</td><td class="line"> <span class='keyword'>else</span></td></tr>
2912<tr><td class="num" id="LN2826">2826</td><td class="line"> descriptor-&gt;u.mount = mount;</td></tr>
2913<tr><td class="num" id="LN2827">2827</td><td class="line"> descriptor-&gt;cookie = cookie;</td></tr>
2914<tr><td class="num" id="LN2828">2828</td><td class="line"> </td></tr>
2915<tr><td class="num" id="LN2829">2829</td><td class="line"> <span class='keyword'>switch</span> (type) {</td></tr>
2916<tr><td class="num" id="LN2830">2830</td><td class="line"> <span class='comment'>// vnode types</span></td></tr>
2917<tr><td class="num" id="LN2831">2831</td><td class="line"> <span class='keyword'>case</span> FDTYPE_FILE:</td></tr>
2918<tr><td class="num" id="LN2832">2832</td><td class="line"> descriptor-&gt;ops = &amp;sFileOps;</td></tr>
2919<tr><td class="num" id="LN2833">2833</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2920<tr><td class="num" id="LN2834">2834</td><td class="line"> <span class='keyword'>case</span> FDTYPE_DIR:</td></tr>
2921<tr><td class="num" id="LN2835">2835</td><td class="line"> descriptor-&gt;ops = &amp;sDirectoryOps;</td></tr>
2922<tr><td class="num" id="LN2836">2836</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2923<tr><td class="num" id="LN2837">2837</td><td class="line"> <span class='keyword'>case</span> FDTYPE_ATTR:</td></tr>
2924<tr><td class="num" id="LN2838">2838</td><td class="line"> descriptor-&gt;ops = &amp;sAttributeOps;</td></tr>
2925<tr><td class="num" id="LN2839">2839</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2926<tr><td class="num" id="LN2840">2840</td><td class="line"> <span class='keyword'>case</span> FDTYPE_ATTR_DIR:</td></tr>
2927<tr><td class="num" id="LN2841">2841</td><td class="line"> descriptor-&gt;ops = &amp;sAttributeDirectoryOps;</td></tr>
2928<tr><td class="num" id="LN2842">2842</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2929<tr><td class="num" id="LN2843">2843</td><td class="line"> </td></tr>
2930<tr><td class="num" id="LN2844">2844</td><td class="line"> <span class='comment'>// mount types</span></td></tr>
2931<tr><td class="num" id="LN2845">2845</td><td class="line"> <span class='keyword'>case</span> FDTYPE_INDEX_DIR:</td></tr>
2932<tr><td class="num" id="LN2846">2846</td><td class="line"> descriptor-&gt;ops = &amp;sIndexDirectoryOps;</td></tr>
2933<tr><td class="num" id="LN2847">2847</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2934<tr><td class="num" id="LN2848">2848</td><td class="line"> <span class='keyword'>case</span> FDTYPE_QUERY:</td></tr>
2935<tr><td class="num" id="LN2849">2849</td><td class="line"> descriptor-&gt;ops = &amp;sQueryOps;</td></tr>
2936<tr><td class="num" id="LN2850">2850</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2937<tr><td class="num" id="LN2851">2851</td><td class="line"> </td></tr>
2938<tr><td class="num" id="LN2852">2852</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
2939<tr><td class="num" id="LN2853">2853</td><td class="line"> panic(<span class='string_literal'>"get_new_fd() called with unknown type %d\n"</span>, type);</td></tr>
2940<tr><td class="num" id="LN2854">2854</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
2941<tr><td class="num" id="LN2855">2855</td><td class="line"> }</td></tr>
2942<tr><td class="num" id="LN2856">2856</td><td class="line"> descriptor-&gt;type = type;</td></tr>
2943<tr><td class="num" id="LN2857">2857</td><td class="line"> descriptor-&gt;open_mode = openMode;</td></tr>
2944<tr><td class="num" id="LN2858">2858</td><td class="line"> </td></tr>
2945<tr><td class="num" id="LN2859">2859</td><td class="line"> io_context* context = get_current_io_context(kernel);</td></tr>
2946<tr><td class="num" id="LN2860">2860</td><td class="line"> fd = new_fd(context, descriptor);</td></tr>
2947<tr><td class="num" id="LN2861">2861</td><td class="line"> <span class='keyword'>if</span> (fd &lt; 0) {</td></tr>
2948<tr><td class="num" id="LN2862">2862</td><td class="line"> free(descriptor);</td></tr>
2949<tr><td class="num" id="LN2863">2863</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MORE_FDS<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 10)</span></span>;</td></tr>
2950<tr><td class="num" id="LN2864">2864</td><td class="line"> }</td></tr>
2951<tr><td class="num" id="LN2865">2865</td><td class="line"> </td></tr>
2952<tr><td class="num" id="LN2866">2866</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
2953<tr><td class="num" id="LN2867">2867</td><td class="line"> fd_set_close_on_exec(context, fd, (openMode &amp; <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>) != 0);</td></tr>
2954<tr><td class="num" id="LN2868">2868</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
2955<tr><td class="num" id="LN2869">2869</td><td class="line"> </td></tr>
2956<tr><td class="num" id="LN2870">2870</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
2957<tr><td class="num" id="LN2871">2871</td><td class="line">}</td></tr>
2958<tr><td class="num" id="LN2872">2872</td><td class="line"> </td></tr>
2959<tr><td class="num" id="LN2873">2873</td><td class="line"> </td></tr>
2960<tr><td class="num" id="LN2874">2874</td><td class="line"><span class='comment'>/*! In-place normalizes \a path. It's otherwise semantically equivalent to</span></td></tr>
2961<tr><td class="num" id="LN2875">2875</td><td class="line"> <span class='comment'>vfs_normalize_path(). See there for more documentation.</span></td></tr>
2962<tr><td class="num" id="LN2876">2876</td><td class="line"><span class='comment'>*/</span></td></tr>
2963<tr><td class="num" id="LN2877">2877</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
2964<tr><td class="num" id="LN2878">2878</td><td class="line">normalize_path(<span class='keyword'>char</span>* path, size_t pathSize, <span class='keyword'>bool</span> traverseLink, <span class='keyword'>bool</span> kernel)</td></tr>
2965<tr><td class="num" id="LN2879">2879</td><td class="line">{</td></tr>
2966<tr><td class="num" id="LN2880">2880</td><td class="line"> VNodePutter dirPutter;</td></tr>
2967<tr><td class="num" id="LN2881">2881</td><td class="line"> <span class='keyword'>struct</span> vnode* dir = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
2968<tr><td class="num" id="LN2882">2882</td><td class="line"> status_t error;</td></tr>
2969<tr><td class="num" id="LN2883">2883</td><td class="line"> </td></tr>
2970<tr><td class="num" id="LN2884">2884</td><td class="line"> <span class='keyword'>for</span> (<span class='keyword'>int</span> i = 0; i &lt; <span class='macro'>B_MAX_SYMLINKS<span class='expansion'>(16)</span></span>; i++) {</td></tr>
2971<tr><td class="num" id="LN2885">2885</td><td class="line"> <span class='comment'>// get dir vnode + leaf name</span></td></tr>
2972<tr><td class="num" id="LN2886">2886</td><td class="line"> <span class='keyword'>struct</span> vnode* nextDir;</td></tr>
2973<tr><td class="num" id="LN2887">2887</td><td class="line"> <span class='keyword'>char</span> leaf[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
2974<tr><td class="num" id="LN2888">2888</td><td class="line"> error = vnode_and_path_to_dir_vnode(dir, path, &amp;nextDir, leaf, kernel);</td></tr>
2975<tr><td class="num" id="LN2889">2889</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
2976<tr><td class="num" id="LN2890">2890</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
2977<tr><td class="num" id="LN2891">2891</td><td class="line"> </td></tr>
2978<tr><td class="num" id="LN2892">2892</td><td class="line"> dir = nextDir;</td></tr>
2979<tr><td class="num" id="LN2893">2893</td><td class="line"> strcpy(path, leaf);</td></tr>
2980<tr><td class="num" id="LN2894">2894</td><td class="line"> dirPutter.SetTo(dir);</td></tr>
2981<tr><td class="num" id="LN2895">2895</td><td class="line"> </td></tr>
2982<tr><td class="num" id="LN2896">2896</td><td class="line"> <span class='comment'>// get file vnode, if we shall resolve links</span></td></tr>
2983<tr><td class="num" id="LN2897">2897</td><td class="line"> <span class='keyword'>bool</span> fileExists = <span class='keyword'>false</span>;</td></tr>
2984<tr><td class="num" id="LN2898">2898</td><td class="line"> <span class='keyword'>struct</span> vnode* fileVnode;</td></tr>
2985<tr><td class="num" id="LN2899">2899</td><td class="line"> VNodePutter fileVnodePutter;</td></tr>
2986<tr><td class="num" id="LN2900">2900</td><td class="line"> <span class='keyword'>if</span> (traverseLink) {</td></tr>
2987<tr><td class="num" id="LN2901">2901</td><td class="line"> inc_vnode_ref_count(dir);</td></tr>
2988<tr><td class="num" id="LN2902">2902</td><td class="line"> <span class='keyword'>if</span> (vnode_path_to_vnode(dir, path, <span class='keyword'>false</span>, 0, kernel, &amp;fileVnode,</td></tr>
2989<tr><td class="num" id="LN2903">2903</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>) == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
2990<tr><td class="num" id="LN2904">2904</td><td class="line"> fileVnodePutter.SetTo(fileVnode);</td></tr>
2991<tr><td class="num" id="LN2905">2905</td><td class="line"> fileExists = <span class='keyword'>true</span>;</td></tr>
2992<tr><td class="num" id="LN2906">2906</td><td class="line"> }</td></tr>
2993<tr><td class="num" id="LN2907">2907</td><td class="line"> }</td></tr>
2994<tr><td class="num" id="LN2908">2908</td><td class="line"> </td></tr>
2995<tr><td class="num" id="LN2909">2909</td><td class="line"> <span class='keyword'>if</span> (!fileExists || !traverseLink || !<span class='macro'>S_ISLNK(fileVnode-&gt;Type())<span class='expansion'>(((fileVnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span>) {</td></tr>
2996<tr><td class="num" id="LN2910">2910</td><td class="line"> <span class='comment'>// we're done -- construct the path</span></td></tr>
2997<tr><td class="num" id="LN2911">2911</td><td class="line"> <span class='keyword'>bool</span> hasLeaf = <span class='keyword'>true</span>;</td></tr>
2998<tr><td class="num" id="LN2912">2912</td><td class="line"> <span class='keyword'>if</span> (strcmp(leaf, <span class='string_literal'>"."</span>) == 0 || strcmp(leaf, <span class='string_literal'>".."</span>) == 0) {</td></tr>
2999<tr><td class="num" id="LN2913">2913</td><td class="line"> <span class='comment'>// special cases "." and ".." -- get the dir, forget the leaf</span></td></tr>
3000<tr><td class="num" id="LN2914">2914</td><td class="line"> inc_vnode_ref_count(dir);</td></tr>
3001<tr><td class="num" id="LN2915">2915</td><td class="line"> error = vnode_path_to_vnode(dir, leaf, <span class='keyword'>false</span>, 0, kernel,</td></tr>
3002<tr><td class="num" id="LN2916">2916</td><td class="line"> &amp;nextDir, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
3003<tr><td class="num" id="LN2917">2917</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3004<tr><td class="num" id="LN2918">2918</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
3005<tr><td class="num" id="LN2919">2919</td><td class="line"> dir = nextDir;</td></tr>
3006<tr><td class="num" id="LN2920">2920</td><td class="line"> dirPutter.SetTo(dir);</td></tr>
3007<tr><td class="num" id="LN2921">2921</td><td class="line"> hasLeaf = <span class='keyword'>false</span>;</td></tr>
3008<tr><td class="num" id="LN2922">2922</td><td class="line"> }</td></tr>
3009<tr><td class="num" id="LN2923">2923</td><td class="line"> </td></tr>
3010<tr><td class="num" id="LN2924">2924</td><td class="line"> <span class='comment'>// get the directory path</span></td></tr>
3011<tr><td class="num" id="LN2925">2925</td><td class="line"> error = dir_vnode_to_path(dir, path, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>, kernel);</td></tr>
3012<tr><td class="num" id="LN2926">2926</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3013<tr><td class="num" id="LN2927">2927</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
3014<tr><td class="num" id="LN2928">2928</td><td class="line"> </td></tr>
3015<tr><td class="num" id="LN2929">2929</td><td class="line"> <span class='comment'>// append the leaf name</span></td></tr>
3016<tr><td class="num" id="LN2930">2930</td><td class="line"> <span class='keyword'>if</span> (hasLeaf) {</td></tr>
3017<tr><td class="num" id="LN2931">2931</td><td class="line"> <span class='comment'>// insert a directory separator if this is not the file system</span></td></tr>
3018<tr><td class="num" id="LN2932">2932</td><td class="line"> <span class='comment'>// root</span></td></tr>
3019<tr><td class="num" id="LN2933">2933</td><td class="line"> <span class='keyword'>if</span> ((strcmp(path, <span class='string_literal'>"/"</span>) != 0</td></tr>
3020<tr><td class="num" id="LN2934">2934</td><td class="line"> &amp;&amp; strlcat(path, <span class='string_literal'>"/"</span>, pathSize) &gt;= pathSize)</td></tr>
3021<tr><td class="num" id="LN2935">2935</td><td class="line"> || strlcat(path, leaf, pathSize) &gt;= pathSize) {</td></tr>
3022<tr><td class="num" id="LN2936">2936</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
3023<tr><td class="num" id="LN2937">2937</td><td class="line"> }</td></tr>
3024<tr><td class="num" id="LN2938">2938</td><td class="line"> }</td></tr>
3025<tr><td class="num" id="LN2939">2939</td><td class="line"> </td></tr>
3026<tr><td class="num" id="LN2940">2940</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3027<tr><td class="num" id="LN2941">2941</td><td class="line"> }</td></tr>
3028<tr><td class="num" id="LN2942">2942</td><td class="line"> </td></tr>
3029<tr><td class="num" id="LN2943">2943</td><td class="line"> <span class='comment'>// read link</span></td></tr>
3030<tr><td class="num" id="LN2944">2944</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(fileVnode, read_symlink)<span class='expansion'>(fileVnode-&gt;ops-&gt;read_symlink != __null)</span></span>) {</td></tr>
3031<tr><td class="num" id="LN2945">2945</td><td class="line"> size_t bufferSize = <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> - 1;</td></tr>
3032<tr><td class="num" id="LN2946">2946</td><td class="line"> error = <span class='macro'>FS_CALL(fileVnode, read_symlink, path, &amp;bufferSize)<span class='expansion'>( (fileVnode-&gt;ops-&gt;read_symlink != __null) ? fileVnode-&gt;<br>ops-&gt;read_symlink(fileVnode-&gt;mount-&gt;volume, fileVnode<br>, path, &amp;bufferSize) : (panic("FS_CALL op " "read_symlink"<br> " is NULL"), 0))</span></span>;</td></tr>
3033<tr><td class="num" id="LN2947">2947</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3034<tr><td class="num" id="LN2948">2948</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
3035<tr><td class="num" id="LN2949">2949</td><td class="line"> path[bufferSize] = '\0';</td></tr>
3036<tr><td class="num" id="LN2950">2950</td><td class="line"> } <span class='keyword'>else</span></td></tr>
3037<tr><td class="num" id="LN2951">2951</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3038<tr><td class="num" id="LN2952">2952</td><td class="line"> }</td></tr>
3039<tr><td class="num" id="LN2953">2953</td><td class="line"> </td></tr>
3040<tr><td class="num" id="LN2954">2954</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
3041<tr><td class="num" id="LN2955">2955</td><td class="line">}</td></tr>
3042<tr><td class="num" id="LN2956">2956</td><td class="line"> </td></tr>
3043<tr><td class="num" id="LN2957">2957</td><td class="line"> </td></tr>
3044<tr><td class="num" id="LN2958">2958</td><td class="line"><span class='directive'>#ifdef ADD_DEBUGGER_COMMANDS</span></td></tr>
3045<tr><td class="num" id="LN2959">2959</td><td class="line"> </td></tr>
3046<tr><td class="num" id="LN2960">2960</td><td class="line"> </td></tr>
3047<tr><td class="num" id="LN2961">2961</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
3048<tr><td class="num" id="LN2962">2962</td><td class="line">_dump_advisory_locking(advisory_locking* locking)</td></tr>
3049<tr><td class="num" id="LN2963">2963</td><td class="line">{</td></tr>
3050<tr><td class="num" id="LN2964">2964</td><td class="line"> <span class='keyword'>if</span> (locking == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3051<tr><td class="num" id="LN2965">2965</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
3052<tr><td class="num" id="LN2966">2966</td><td class="line"> </td></tr>
3053<tr><td class="num" id="LN2967">2967</td><td class="line"> kprintf(<span class='string_literal'>" lock: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span>, locking-&gt;lock);</td></tr>
3054<tr><td class="num" id="LN2968">2968</td><td class="line"> kprintf(<span class='string_literal'>" wait_sem: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span>, locking-&gt;wait_sem);</td></tr>
3055<tr><td class="num" id="LN2969">2969</td><td class="line"> </td></tr>
3056<tr><td class="num" id="LN2970">2970</td><td class="line"> int32 index = 0;</td></tr>
3057<tr><td class="num" id="LN2971">2971</td><td class="line"> LockList::Iterator iterator = locking-&gt;locks.GetIterator();</td></tr>
3058<tr><td class="num" id="LN2972">2972</td><td class="line"> <span class='keyword'>while</span> (iterator.HasNext()) {</td></tr>
3059<tr><td class="num" id="LN2973">2973</td><td class="line"> <span class='keyword'>struct</span> advisory_lock* lock = iterator.Next();</td></tr>
3060<tr><td class="num" id="LN2974">2974</td><td class="line"> </td></tr>
3061<tr><td class="num" id="LN2975">2975</td><td class="line"> kprintf(<span class='string_literal'>" [%2"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"] team: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, index++, lock-&gt;team);</td></tr>
3062<tr><td class="num" id="LN2976">2976</td><td class="line"> kprintf(<span class='string_literal'>" start: %"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"\n"</span>, lock-&gt;start);</td></tr>
3063<tr><td class="num" id="LN2977">2977</td><td class="line"> kprintf(<span class='string_literal'>" end: %"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"\n"</span>, lock-&gt;end);</td></tr>
3064<tr><td class="num" id="LN2978">2978</td><td class="line"> kprintf(<span class='string_literal'>" shared? %s\n"</span>, lock-&gt;shared ? <span class='string_literal'>"yes"</span> : <span class='string_literal'>"no"</span>);</td></tr>
3065<tr><td class="num" id="LN2979">2979</td><td class="line"> }</td></tr>
3066<tr><td class="num" id="LN2980">2980</td><td class="line">}</td></tr>
3067<tr><td class="num" id="LN2981">2981</td><td class="line"> </td></tr>
3068<tr><td class="num" id="LN2982">2982</td><td class="line"> </td></tr>
3069<tr><td class="num" id="LN2983">2983</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
3070<tr><td class="num" id="LN2984">2984</td><td class="line">_dump_mount(<span class='keyword'>struct</span> fs_mount* mount)</td></tr>
3071<tr><td class="num" id="LN2985">2985</td><td class="line">{</td></tr>
3072<tr><td class="num" id="LN2986">2986</td><td class="line"> kprintf(<span class='string_literal'>"MOUNT: %p\n"</span>, mount);</td></tr>
3073<tr><td class="num" id="LN2987">2987</td><td class="line"> kprintf(<span class='string_literal'>" id: %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, mount-&gt;id);</td></tr>
3074<tr><td class="num" id="LN2988">2988</td><td class="line"> kprintf(<span class='string_literal'>" device_name: %s\n"</span>, mount-&gt;device_name);</td></tr>
3075<tr><td class="num" id="LN2989">2989</td><td class="line"> kprintf(<span class='string_literal'>" root_vnode: %p\n"</span>, mount-&gt;root_vnode);</td></tr>
3076<tr><td class="num" id="LN2990">2990</td><td class="line"> kprintf(<span class='string_literal'>" covers: %p\n"</span>, mount-&gt;root_vnode-&gt;covers);</td></tr>
3077<tr><td class="num" id="LN2991">2991</td><td class="line"> kprintf(<span class='string_literal'>" partition: %p\n"</span>, mount-&gt;partition);</td></tr>
3078<tr><td class="num" id="LN2992">2992</td><td class="line"> kprintf(<span class='string_literal'>" lock: %p\n"</span>, &amp;mount-&gt;rlock);</td></tr>
3079<tr><td class="num" id="LN2993">2993</td><td class="line"> kprintf(<span class='string_literal'>" flags: %s%s\n"</span>, mount-&gt;unmounting ? <span class='string_literal'>" unmounting"</span> : <span class='string_literal'>""</span>,</td></tr>
3080<tr><td class="num" id="LN2994">2994</td><td class="line"> mount-&gt;owns_file_device ? <span class='string_literal'>" owns_file_device"</span> : <span class='string_literal'>""</span>);</td></tr>
3081<tr><td class="num" id="LN2995">2995</td><td class="line"> </td></tr>
3082<tr><td class="num" id="LN2996">2996</td><td class="line"> fs_volume* volume = mount-&gt;volume;</td></tr>
3083<tr><td class="num" id="LN2997">2997</td><td class="line"> <span class='keyword'>while</span> (volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3084<tr><td class="num" id="LN2998">2998</td><td class="line"> kprintf(<span class='string_literal'>" volume %p:\n"</span>, volume);</td></tr>
3085<tr><td class="num" id="LN2999">2999</td><td class="line"> kprintf(<span class='string_literal'>" layer: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, volume-&gt;layer);</td></tr>
3086<tr><td class="num" id="LN3000">3000</td><td class="line"> kprintf(<span class='string_literal'>" private_volume: %p\n"</span>, volume-&gt;private_volume);</td></tr>
3087<tr><td class="num" id="LN3001">3001</td><td class="line"> kprintf(<span class='string_literal'>" ops: %p\n"</span>, volume-&gt;ops);</td></tr>
3088<tr><td class="num" id="LN3002">3002</td><td class="line"> kprintf(<span class='string_literal'>" file_system: %p\n"</span>, volume-&gt;file_system);</td></tr>
3089<tr><td class="num" id="LN3003">3003</td><td class="line"> kprintf(<span class='string_literal'>" file_system_name: %s\n"</span>, volume-&gt;file_system_name);</td></tr>
3090<tr><td class="num" id="LN3004">3004</td><td class="line"> volume = volume-&gt;super_volume;</td></tr>
3091<tr><td class="num" id="LN3005">3005</td><td class="line"> }</td></tr>
3092<tr><td class="num" id="LN3006">3006</td><td class="line"> </td></tr>
3093<tr><td class="num" id="LN3007">3007</td><td class="line"> set_debug_variable(<span class='string_literal'>"_volume"</span>, (addr_t)mount-&gt;volume-&gt;private_volume);</td></tr>
3094<tr><td class="num" id="LN3008">3008</td><td class="line"> set_debug_variable(<span class='string_literal'>"_root"</span>, (addr_t)mount-&gt;root_vnode);</td></tr>
3095<tr><td class="num" id="LN3009">3009</td><td class="line"> set_debug_variable(<span class='string_literal'>"_covers"</span>, (addr_t)mount-&gt;root_vnode-&gt;covers);</td></tr>
3096<tr><td class="num" id="LN3010">3010</td><td class="line"> set_debug_variable(<span class='string_literal'>"_partition"</span>, (addr_t)mount-&gt;partition);</td></tr>
3097<tr><td class="num" id="LN3011">3011</td><td class="line">}</td></tr>
3098<tr><td class="num" id="LN3012">3012</td><td class="line"> </td></tr>
3099<tr><td class="num" id="LN3013">3013</td><td class="line"> </td></tr>
3100<tr><td class="num" id="LN3014">3014</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
3101<tr><td class="num" id="LN3015">3015</td><td class="line">debug_prepend_vnode_name_to_path(<span class='keyword'>char</span>* buffer, size_t&amp; bufferSize,</td></tr>
3102<tr><td class="num" id="LN3016">3016</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
3103<tr><td class="num" id="LN3017">3017</td><td class="line">{</td></tr>
3104<tr><td class="num" id="LN3018">3018</td><td class="line"> <span class='keyword'>bool</span> insertSlash = buffer[bufferSize] != '\0';</td></tr>
3105<tr><td class="num" id="LN3019">3019</td><td class="line"> size_t nameLength = strlen(name);</td></tr>
3106<tr><td class="num" id="LN3020">3020</td><td class="line"> </td></tr>
3107<tr><td class="num" id="LN3021">3021</td><td class="line"> <span class='keyword'>if</span> (bufferSize &lt; nameLength + (insertSlash ? 1 : 0))</td></tr>
3108<tr><td class="num" id="LN3022">3022</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
3109<tr><td class="num" id="LN3023">3023</td><td class="line"> </td></tr>
3110<tr><td class="num" id="LN3024">3024</td><td class="line"> <span class='keyword'>if</span> (insertSlash)</td></tr>
3111<tr><td class="num" id="LN3025">3025</td><td class="line"> buffer[--bufferSize] = '/';</td></tr>
3112<tr><td class="num" id="LN3026">3026</td><td class="line"> </td></tr>
3113<tr><td class="num" id="LN3027">3027</td><td class="line"> bufferSize -= nameLength;</td></tr>
3114<tr><td class="num" id="LN3028">3028</td><td class="line"> memcpy(buffer + bufferSize, name, nameLength);</td></tr>
3115<tr><td class="num" id="LN3029">3029</td><td class="line"> </td></tr>
3116<tr><td class="num" id="LN3030">3030</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
3117<tr><td class="num" id="LN3031">3031</td><td class="line">}</td></tr>
3118<tr><td class="num" id="LN3032">3032</td><td class="line"> </td></tr>
3119<tr><td class="num" id="LN3033">3033</td><td class="line"> </td></tr>
3120<tr><td class="num" id="LN3034">3034</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>bool</span></td></tr>
3121<tr><td class="num" id="LN3035">3035</td><td class="line">debug_prepend_vnode_id_to_path(<span class='keyword'>char</span>* buffer, size_t&amp; bufferSize, dev_t devID,</td></tr>
3122<tr><td class="num" id="LN3036">3036</td><td class="line"> ino_t nodeID)</td></tr>
3123<tr><td class="num" id="LN3037">3037</td><td class="line">{</td></tr>
3124<tr><td class="num" id="LN3038">3038</td><td class="line"> <span class='keyword'>if</span> (bufferSize == 0)</td></tr>
3125<tr><td class="num" id="LN3039">3039</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
3126<tr><td class="num" id="LN3040">3040</td><td class="line"> </td></tr>
3127<tr><td class="num" id="LN3041">3041</td><td class="line"> <span class='keyword'>bool</span> insertSlash = buffer[bufferSize] != '\0';</td></tr>
3128<tr><td class="num" id="LN3042">3042</td><td class="line"> <span class='keyword'>if</span> (insertSlash)</td></tr>
3129<tr><td class="num" id="LN3043">3043</td><td class="line"> buffer[--bufferSize] = '/';</td></tr>
3130<tr><td class="num" id="LN3044">3044</td><td class="line"> </td></tr>
3131<tr><td class="num" id="LN3045">3045</td><td class="line"> size_t size = snprintf(buffer, bufferSize,</td></tr>
3132<tr><td class="num" id="LN3046">3046</td><td class="line"> <span class='string_literal'>"&lt;%"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>",%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"&gt;"</span>, devID, nodeID);</td></tr>
3133<tr><td class="num" id="LN3047">3047</td><td class="line"> <span class='keyword'>if</span> (size &gt; bufferSize) {</td></tr>
3134<tr><td class="num" id="LN3048">3048</td><td class="line"> <span class='keyword'>if</span> (insertSlash)</td></tr>
3135<tr><td class="num" id="LN3049">3049</td><td class="line"> bufferSize++;</td></tr>
3136<tr><td class="num" id="LN3050">3050</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
3137<tr><td class="num" id="LN3051">3051</td><td class="line"> }</td></tr>
3138<tr><td class="num" id="LN3052">3052</td><td class="line"> </td></tr>
3139<tr><td class="num" id="LN3053">3053</td><td class="line"> <span class='keyword'>if</span> (size &lt; bufferSize)</td></tr>
3140<tr><td class="num" id="LN3054">3054</td><td class="line"> memmove(buffer + bufferSize - size, buffer, size);</td></tr>
3141<tr><td class="num" id="LN3055">3055</td><td class="line"> </td></tr>
3142<tr><td class="num" id="LN3056">3056</td><td class="line"> bufferSize -= size;</td></tr>
3143<tr><td class="num" id="LN3057">3057</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
3144<tr><td class="num" id="LN3058">3058</td><td class="line">}</td></tr>
3145<tr><td class="num" id="LN3059">3059</td><td class="line"> </td></tr>
3146<tr><td class="num" id="LN3060">3060</td><td class="line"> </td></tr>
3147<tr><td class="num" id="LN3061">3061</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>char</span>*</td></tr>
3148<tr><td class="num" id="LN3062">3062</td><td class="line">debug_resolve_vnode_path(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* buffer, size_t bufferSize,</td></tr>
3149<tr><td class="num" id="LN3063">3063</td><td class="line"> <span class='keyword'>bool</span>&amp; _truncated)</td></tr>
3150<tr><td class="num" id="LN3064">3064</td><td class="line">{</td></tr>
3151<tr><td class="num" id="LN3065">3065</td><td class="line"> <span class='comment'>// null-terminate the path</span></td></tr>
3152<tr><td class="num" id="LN3066">3066</td><td class="line"> buffer[--bufferSize] = '\0';</td></tr>
3153<tr><td class="num" id="LN3067">3067</td><td class="line"> </td></tr>
3154<tr><td class="num" id="LN3068">3068</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
3155<tr><td class="num" id="LN3069">3069</td><td class="line"> <span class='keyword'>while</span> (vnode-&gt;covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3156<tr><td class="num" id="LN3070">3070</td><td class="line"> vnode = vnode-&gt;covers;</td></tr>
3157<tr><td class="num" id="LN3071">3071</td><td class="line"> </td></tr>
3158<tr><td class="num" id="LN3072">3072</td><td class="line"> <span class='keyword'>if</span> (vnode == sRoot) {</td></tr>
3159<tr><td class="num" id="LN3073">3073</td><td class="line"> _truncated = bufferSize == 0;</td></tr>
3160<tr><td class="num" id="LN3074">3074</td><td class="line"> <span class='keyword'>if</span> (!_truncated)</td></tr>
3161<tr><td class="num" id="LN3075">3075</td><td class="line"> buffer[--bufferSize] = '/';</td></tr>
3162<tr><td class="num" id="LN3076">3076</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
3163<tr><td class="num" id="LN3077">3077</td><td class="line"> }</td></tr>
3164<tr><td class="num" id="LN3078">3078</td><td class="line"> </td></tr>
3165<tr><td class="num" id="LN3079">3079</td><td class="line"> <span class='comment'>// resolve the name</span></td></tr>
3166<tr><td class="num" id="LN3080">3080</td><td class="line"> ino_t dirID;</td></tr>
3167<tr><td class="num" id="LN3081">3081</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* name = vnode-&gt;mount-&gt;entry_cache.DebugReverseLookup(</td></tr>
3168<tr><td class="num" id="LN3082">3082</td><td class="line"> vnode-&gt;id, dirID);</td></tr>
3169<tr><td class="num" id="LN3083">3083</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3170<tr><td class="num" id="LN3084">3084</td><td class="line"> <span class='comment'>// Failed to resolve the name -- prepend "&lt;dev,node&gt;/".</span></td></tr>
3171<tr><td class="num" id="LN3085">3085</td><td class="line"> _truncated = !debug_prepend_vnode_id_to_path(buffer, bufferSize,</td></tr>
3172<tr><td class="num" id="LN3086">3086</td><td class="line"> vnode-&gt;mount-&gt;id, vnode-&gt;id);</td></tr>
3173<tr><td class="num" id="LN3087">3087</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
3174<tr><td class="num" id="LN3088">3088</td><td class="line"> }</td></tr>
3175<tr><td class="num" id="LN3089">3089</td><td class="line"> </td></tr>
3176<tr><td class="num" id="LN3090">3090</td><td class="line"> <span class='comment'>// prepend the name</span></td></tr>
3177<tr><td class="num" id="LN3091">3091</td><td class="line"> <span class='keyword'>if</span> (!debug_prepend_vnode_name_to_path(buffer, bufferSize, name)) {</td></tr>
3178<tr><td class="num" id="LN3092">3092</td><td class="line"> _truncated = <span class='keyword'>true</span>;</td></tr>
3179<tr><td class="num" id="LN3093">3093</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
3180<tr><td class="num" id="LN3094">3094</td><td class="line"> }</td></tr>
3181<tr><td class="num" id="LN3095">3095</td><td class="line"> </td></tr>
3182<tr><td class="num" id="LN3096">3096</td><td class="line"> <span class='comment'>// resolve the directory node</span></td></tr>
3183<tr><td class="num" id="LN3097">3097</td><td class="line"> <span class='keyword'>struct</span> vnode* nextVnode = lookup_vnode(vnode-&gt;mount-&gt;id, dirID);</td></tr>
3184<tr><td class="num" id="LN3098">3098</td><td class="line"> <span class='keyword'>if</span> (nextVnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3185<tr><td class="num" id="LN3099">3099</td><td class="line"> _truncated = !debug_prepend_vnode_id_to_path(buffer, bufferSize,</td></tr>
3186<tr><td class="num" id="LN3100">3100</td><td class="line"> vnode-&gt;mount-&gt;id, dirID);</td></tr>
3187<tr><td class="num" id="LN3101">3101</td><td class="line"> <span class='keyword'>return</span> buffer + bufferSize;</td></tr>
3188<tr><td class="num" id="LN3102">3102</td><td class="line"> }</td></tr>
3189<tr><td class="num" id="LN3103">3103</td><td class="line"> </td></tr>
3190<tr><td class="num" id="LN3104">3104</td><td class="line"> vnode = nextVnode;</td></tr>
3191<tr><td class="num" id="LN3105">3105</td><td class="line"> }</td></tr>
3192<tr><td class="num" id="LN3106">3106</td><td class="line">}</td></tr>
3193<tr><td class="num" id="LN3107">3107</td><td class="line"> </td></tr>
3194<tr><td class="num" id="LN3108">3108</td><td class="line"> </td></tr>
3195<tr><td class="num" id="LN3109">3109</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
3196<tr><td class="num" id="LN3110">3110</td><td class="line">_dump_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> printPath)</td></tr>
3197<tr><td class="num" id="LN3111">3111</td><td class="line">{</td></tr>
3198<tr><td class="num" id="LN3112">3112</td><td class="line"> kprintf(<span class='string_literal'>"VNODE: %p\n"</span>, vnode);</td></tr>
3199<tr><td class="num" id="LN3113">3113</td><td class="line"> kprintf(<span class='string_literal'>" device: %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, vnode-&gt;device);</td></tr>
3200<tr><td class="num" id="LN3114">3114</td><td class="line"> kprintf(<span class='string_literal'>" id: %"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"\n"</span>, vnode-&gt;id);</td></tr>
3201<tr><td class="num" id="LN3115">3115</td><td class="line"> kprintf(<span class='string_literal'>" ref_count: %"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>, vnode-&gt;ref_count);</td></tr>
3202<tr><td class="num" id="LN3116">3116</td><td class="line"> kprintf(<span class='string_literal'>" private_node: %p\n"</span>, vnode-&gt;private_node);</td></tr>
3203<tr><td class="num" id="LN3117">3117</td><td class="line"> kprintf(<span class='string_literal'>" mount: %p\n"</span>, vnode-&gt;mount);</td></tr>
3204<tr><td class="num" id="LN3118">3118</td><td class="line"> kprintf(<span class='string_literal'>" covered_by: %p\n"</span>, vnode-&gt;covered_by);</td></tr>
3205<tr><td class="num" id="LN3119">3119</td><td class="line"> kprintf(<span class='string_literal'>" covers: %p\n"</span>, vnode-&gt;covers);</td></tr>
3206<tr><td class="num" id="LN3120">3120</td><td class="line"> kprintf(<span class='string_literal'>" cache: %p\n"</span>, vnode-&gt;cache);</td></tr>
3207<tr><td class="num" id="LN3121">3121</td><td class="line"> kprintf(<span class='string_literal'>" type: %#"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>"\n"</span>, vnode-&gt;Type());</td></tr>
3208<tr><td class="num" id="LN3122">3122</td><td class="line"> kprintf(<span class='string_literal'>" flags: %s%s%s\n"</span>, vnode-&gt;IsRemoved() ? <span class='string_literal'>"r"</span> : <span class='string_literal'>"-"</span>,</td></tr>
3209<tr><td class="num" id="LN3123">3123</td><td class="line"> vnode-&gt;IsBusy() ? <span class='string_literal'>"b"</span> : <span class='string_literal'>"-"</span>, vnode-&gt;IsUnpublished() ? <span class='string_literal'>"u"</span> : <span class='string_literal'>"-"</span>);</td></tr>
3210<tr><td class="num" id="LN3124">3124</td><td class="line"> kprintf(<span class='string_literal'>" advisory_lock: %p\n"</span>, vnode-&gt;advisory_locking);</td></tr>
3211<tr><td class="num" id="LN3125">3125</td><td class="line"> </td></tr>
3212<tr><td class="num" id="LN3126">3126</td><td class="line"> _dump_advisory_locking(vnode-&gt;advisory_locking);</td></tr>
3213<tr><td class="num" id="LN3127">3127</td><td class="line"> </td></tr>
3214<tr><td class="num" id="LN3128">3128</td><td class="line"> <span class='keyword'>if</span> (printPath) {</td></tr>
3215<tr><td class="num" id="LN3129">3129</td><td class="line"> <span class='keyword'>void</span>* buffer = debug_malloc(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
3216<tr><td class="num" id="LN3130">3130</td><td class="line"> <span class='keyword'>if</span> (buffer != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3217<tr><td class="num" id="LN3131">3131</td><td class="line"> <span class='keyword'>bool</span> truncated;</td></tr>
3218<tr><td class="num" id="LN3132">3132</td><td class="line"> <span class='keyword'>char</span>* path = debug_resolve_vnode_path(vnode, (<span class='keyword'>char</span>*)buffer,</td></tr>
3219<tr><td class="num" id="LN3133">3133</td><td class="line"> <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>, truncated);</td></tr>
3220<tr><td class="num" id="LN3134">3134</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3221<tr><td class="num" id="LN3135">3135</td><td class="line"> kprintf(<span class='string_literal'>" path: "</span>);</td></tr>
3222<tr><td class="num" id="LN3136">3136</td><td class="line"> <span class='keyword'>if</span> (truncated)</td></tr>
3223<tr><td class="num" id="LN3137">3137</td><td class="line"> kputs(<span class='string_literal'>"&lt;truncated&gt;/"</span>);</td></tr>
3224<tr><td class="num" id="LN3138">3138</td><td class="line"> kputs(path);</td></tr>
3225<tr><td class="num" id="LN3139">3139</td><td class="line"> kputs(<span class='string_literal'>"\n"</span>);</td></tr>
3226<tr><td class="num" id="LN3140">3140</td><td class="line"> } <span class='keyword'>else</span></td></tr>
3227<tr><td class="num" id="LN3141">3141</td><td class="line"> kprintf(<span class='string_literal'>"Failed to resolve vnode path.\n"</span>);</td></tr>
3228<tr><td class="num" id="LN3142">3142</td><td class="line"> </td></tr>
3229<tr><td class="num" id="LN3143">3143</td><td class="line"> debug_free(buffer);</td></tr>
3230<tr><td class="num" id="LN3144">3144</td><td class="line"> } <span class='keyword'>else</span></td></tr>
3231<tr><td class="num" id="LN3145">3145</td><td class="line"> kprintf(<span class='string_literal'>"Failed to allocate memory for constructing the path.\n"</span>);</td></tr>
3232<tr><td class="num" id="LN3146">3146</td><td class="line"> }</td></tr>
3233<tr><td class="num" id="LN3147">3147</td><td class="line"> </td></tr>
3234<tr><td class="num" id="LN3148">3148</td><td class="line"> set_debug_variable(<span class='string_literal'>"_node"</span>, (addr_t)vnode-&gt;private_node);</td></tr>
3235<tr><td class="num" id="LN3149">3149</td><td class="line"> set_debug_variable(<span class='string_literal'>"_mount"</span>, (addr_t)vnode-&gt;mount);</td></tr>
3236<tr><td class="num" id="LN3150">3150</td><td class="line"> set_debug_variable(<span class='string_literal'>"_covered_by"</span>, (addr_t)vnode-&gt;covered_by);</td></tr>
3237<tr><td class="num" id="LN3151">3151</td><td class="line"> set_debug_variable(<span class='string_literal'>"_covers"</span>, (addr_t)vnode-&gt;covers);</td></tr>
3238<tr><td class="num" id="LN3152">3152</td><td class="line"> set_debug_variable(<span class='string_literal'>"_adv_lock"</span>, (addr_t)vnode-&gt;advisory_locking);</td></tr>
3239<tr><td class="num" id="LN3153">3153</td><td class="line">}</td></tr>
3240<tr><td class="num" id="LN3154">3154</td><td class="line"> </td></tr>
3241<tr><td class="num" id="LN3155">3155</td><td class="line"> </td></tr>
3242<tr><td class="num" id="LN3156">3156</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
3243<tr><td class="num" id="LN3157">3157</td><td class="line">dump_mount(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
3244<tr><td class="num" id="LN3158">3158</td><td class="line">{</td></tr>
3245<tr><td class="num" id="LN3159">3159</td><td class="line"> <span class='keyword'>if</span> (argc != 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
3246<tr><td class="num" id="LN3160">3160</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [id|address]\n"</span>, argv[0]);</td></tr>
3247<tr><td class="num" id="LN3161">3161</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3248<tr><td class="num" id="LN3162">3162</td><td class="line"> }</td></tr>
3249<tr><td class="num" id="LN3163">3163</td><td class="line"> </td></tr>
3250<tr><td class="num" id="LN3164">3164</td><td class="line"> ulong val = parse_expression(argv[1]);</td></tr>
3251<tr><td class="num" id="LN3165">3165</td><td class="line"> uint32 id = val;</td></tr>
3252<tr><td class="num" id="LN3166">3166</td><td class="line"> </td></tr>
3253<tr><td class="num" id="LN3167">3167</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = (fs_mount*)hash_lookup(sMountsTable, (<span class='keyword'>void</span>*)&amp;id);</td></tr>
3254<tr><td class="num" id="LN3168">3168</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3255<tr><td class="num" id="LN3169">3169</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>IS_USER_ADDRESS(id)<span class='expansion'>((addr_t)(id) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>) {</td></tr>
3256<tr><td class="num" id="LN3170">3170</td><td class="line"> kprintf(<span class='string_literal'>"fs_mount not found\n"</span>);</td></tr>
3257<tr><td class="num" id="LN3171">3171</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3258<tr><td class="num" id="LN3172">3172</td><td class="line"> }</td></tr>
3259<tr><td class="num" id="LN3173">3173</td><td class="line"> mount = (fs_mount*)val;</td></tr>
3260<tr><td class="num" id="LN3174">3174</td><td class="line"> }</td></tr>
3261<tr><td class="num" id="LN3175">3175</td><td class="line"> </td></tr>
3262<tr><td class="num" id="LN3176">3176</td><td class="line"> _dump_mount(mount);</td></tr>
3263<tr><td class="num" id="LN3177">3177</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3264<tr><td class="num" id="LN3178">3178</td><td class="line">}</td></tr>
3265<tr><td class="num" id="LN3179">3179</td><td class="line"> </td></tr>
3266<tr><td class="num" id="LN3180">3180</td><td class="line"> </td></tr>
3267<tr><td class="num" id="LN3181">3181</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
3268<tr><td class="num" id="LN3182">3182</td><td class="line">dump_mounts(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
3269<tr><td class="num" id="LN3183">3183</td><td class="line">{</td></tr>
3270<tr><td class="num" id="LN3184">3184</td><td class="line"> <span class='keyword'>if</span> (argc != 1) {</td></tr>
3271<tr><td class="num" id="LN3185">3185</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s\n"</span>, argv[0]);</td></tr>
3272<tr><td class="num" id="LN3186">3186</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3273<tr><td class="num" id="LN3187">3187</td><td class="line"> }</td></tr>
3274<tr><td class="num" id="LN3188">3188</td><td class="line"> </td></tr>
3275<tr><td class="num" id="LN3189">3189</td><td class="line"> kprintf(<span class='string_literal'>"%-*s id %-*s %-*s %-*s fs_name\n"</span>,</td></tr>
3276<tr><td class="num" id="LN3190">3190</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"address"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"root"</span>,</td></tr>
3277<tr><td class="num" id="LN3191">3191</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"covers"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cookie"</span>);</td></tr>
3278<tr><td class="num" id="LN3192">3192</td><td class="line"> </td></tr>
3279<tr><td class="num" id="LN3193">3193</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
3280<tr><td class="num" id="LN3194">3194</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
3281<tr><td class="num" id="LN3195">3195</td><td class="line"> </td></tr>
3282<tr><td class="num" id="LN3196">3196</td><td class="line"> hash_open(sMountsTable, &amp;iterator);</td></tr>
3283<tr><td class="num" id="LN3197">3197</td><td class="line"> <span class='keyword'>while</span> ((mount = (<span class='keyword'>struct</span> fs_mount*)hash_next(sMountsTable, &amp;iterator))</td></tr>
3284<tr><td class="num" id="LN3198">3198</td><td class="line"> != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3285<tr><td class="num" id="LN3199">3199</td><td class="line"> kprintf(<span class='string_literal'>"%p%4"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %p %p %p %s\n"</span>, mount, mount-&gt;id, mount-&gt;root_vnode,</td></tr>
3286<tr><td class="num" id="LN3200">3200</td><td class="line"> mount-&gt;root_vnode-&gt;covers, mount-&gt;volume-&gt;private_volume,</td></tr>
3287<tr><td class="num" id="LN3201">3201</td><td class="line"> mount-&gt;volume-&gt;file_system_name);</td></tr>
3288<tr><td class="num" id="LN3202">3202</td><td class="line"> </td></tr>
3289<tr><td class="num" id="LN3203">3203</td><td class="line"> fs_volume* volume = mount-&gt;volume;</td></tr>
3290<tr><td class="num" id="LN3204">3204</td><td class="line"> <span class='keyword'>while</span> (volume-&gt;super_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3291<tr><td class="num" id="LN3205">3205</td><td class="line"> volume = volume-&gt;super_volume;</td></tr>
3292<tr><td class="num" id="LN3206">3206</td><td class="line"> kprintf(<span class='string_literal'>" %p %s\n"</span>,</td></tr>
3293<tr><td class="num" id="LN3207">3207</td><td class="line"> volume-&gt;private_volume, volume-&gt;file_system_name);</td></tr>
3294<tr><td class="num" id="LN3208">3208</td><td class="line"> }</td></tr>
3295<tr><td class="num" id="LN3209">3209</td><td class="line"> }</td></tr>
3296<tr><td class="num" id="LN3210">3210</td><td class="line"> </td></tr>
3297<tr><td class="num" id="LN3211">3211</td><td class="line"> hash_close(sMountsTable, &amp;iterator, <span class='keyword'>false</span>);</td></tr>
3298<tr><td class="num" id="LN3212">3212</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3299<tr><td class="num" id="LN3213">3213</td><td class="line">}</td></tr>
3300<tr><td class="num" id="LN3214">3214</td><td class="line"> </td></tr>
3301<tr><td class="num" id="LN3215">3215</td><td class="line"> </td></tr>
3302<tr><td class="num" id="LN3216">3216</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
3303<tr><td class="num" id="LN3217">3217</td><td class="line">dump_vnode(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
3304<tr><td class="num" id="LN3218">3218</td><td class="line">{</td></tr>
3305<tr><td class="num" id="LN3219">3219</td><td class="line"> <span class='keyword'>bool</span> printPath = <span class='keyword'>false</span>;</td></tr>
3306<tr><td class="num" id="LN3220">3220</td><td class="line"> <span class='keyword'>int</span> argi = 1;</td></tr>
3307<tr><td class="num" id="LN3221">3221</td><td class="line"> <span class='keyword'>if</span> (argc &gt;= 2 &amp;&amp; strcmp(argv[argi], <span class='string_literal'>"-p"</span>) == 0) {</td></tr>
3308<tr><td class="num" id="LN3222">3222</td><td class="line"> printPath = <span class='keyword'>true</span>;</td></tr>
3309<tr><td class="num" id="LN3223">3223</td><td class="line"> argi++;</td></tr>
3310<tr><td class="num" id="LN3224">3224</td><td class="line"> }</td></tr>
3311<tr><td class="num" id="LN3225">3225</td><td class="line"> </td></tr>
3312<tr><td class="num" id="LN3226">3226</td><td class="line"> <span class='keyword'>if</span> (argi &gt;= argc || argi + 2 &lt; argc) {</td></tr>
3313<tr><td class="num" id="LN3227">3227</td><td class="line"> print_debugger_command_usage(argv[0]);</td></tr>
3314<tr><td class="num" id="LN3228">3228</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3315<tr><td class="num" id="LN3229">3229</td><td class="line"> }</td></tr>
3316<tr><td class="num" id="LN3230">3230</td><td class="line"> </td></tr>
3317<tr><td class="num" id="LN3231">3231</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
3318<tr><td class="num" id="LN3232">3232</td><td class="line"> </td></tr>
3319<tr><td class="num" id="LN3233">3233</td><td class="line"> <span class='keyword'>if</span> (argi + 1 == argc) {</td></tr>
3320<tr><td class="num" id="LN3234">3234</td><td class="line"> vnode = (<span class='keyword'>struct</span> vnode*)parse_expression(argv[argi]);</td></tr>
3321<tr><td class="num" id="LN3235">3235</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>IS_USER_ADDRESS(vnode)<span class='expansion'>((addr_t)(vnode) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>) {</td></tr>
3322<tr><td class="num" id="LN3236">3236</td><td class="line"> kprintf(<span class='string_literal'>"invalid vnode address\n"</span>);</td></tr>
3323<tr><td class="num" id="LN3237">3237</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3324<tr><td class="num" id="LN3238">3238</td><td class="line"> }</td></tr>
3325<tr><td class="num" id="LN3239">3239</td><td class="line"> _dump_vnode(vnode, printPath);</td></tr>
3326<tr><td class="num" id="LN3240">3240</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3327<tr><td class="num" id="LN3241">3241</td><td class="line"> }</td></tr>
3328<tr><td class="num" id="LN3242">3242</td><td class="line"> </td></tr>
3329<tr><td class="num" id="LN3243">3243</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
3330<tr><td class="num" id="LN3244">3244</td><td class="line"> dev_t device = parse_expression(argv[argi]);</td></tr>
3331<tr><td class="num" id="LN3245">3245</td><td class="line"> ino_t id = parse_expression(argv[argi + 1]);</td></tr>
3332<tr><td class="num" id="LN3246">3246</td><td class="line"> </td></tr>
3333<tr><td class="num" id="LN3247">3247</td><td class="line"> hash_open(sVnodeTable, &amp;iterator);</td></tr>
3334<tr><td class="num" id="LN3248">3248</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &amp;iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3335<tr><td class="num" id="LN3249">3249</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;id != id || vnode-&gt;device != device)</td></tr>
3336<tr><td class="num" id="LN3250">3250</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
3337<tr><td class="num" id="LN3251">3251</td><td class="line"> </td></tr>
3338<tr><td class="num" id="LN3252">3252</td><td class="line"> _dump_vnode(vnode, printPath);</td></tr>
3339<tr><td class="num" id="LN3253">3253</td><td class="line"> }</td></tr>
3340<tr><td class="num" id="LN3254">3254</td><td class="line"> </td></tr>
3341<tr><td class="num" id="LN3255">3255</td><td class="line"> hash_close(sVnodeTable, &amp;iterator, <span class='keyword'>false</span>);</td></tr>
3342<tr><td class="num" id="LN3256">3256</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3343<tr><td class="num" id="LN3257">3257</td><td class="line">}</td></tr>
3344<tr><td class="num" id="LN3258">3258</td><td class="line"> </td></tr>
3345<tr><td class="num" id="LN3259">3259</td><td class="line"> </td></tr>
3346<tr><td class="num" id="LN3260">3260</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
3347<tr><td class="num" id="LN3261">3261</td><td class="line">dump_vnodes(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
3348<tr><td class="num" id="LN3262">3262</td><td class="line">{</td></tr>
3349<tr><td class="num" id="LN3263">3263</td><td class="line"> <span class='keyword'>if</span> (argc != 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
3350<tr><td class="num" id="LN3264">3264</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [device]\n"</span>, argv[0]);</td></tr>
3351<tr><td class="num" id="LN3265">3265</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3352<tr><td class="num" id="LN3266">3266</td><td class="line"> }</td></tr>
3353<tr><td class="num" id="LN3267">3267</td><td class="line"> </td></tr>
3354<tr><td class="num" id="LN3268">3268</td><td class="line"> <span class='comment'>// restrict dumped nodes to a certain device if requested</span></td></tr>
3355<tr><td class="num" id="LN3269">3269</td><td class="line"> dev_t device = parse_expression(argv[1]);</td></tr>
3356<tr><td class="num" id="LN3270">3270</td><td class="line"> </td></tr>
3357<tr><td class="num" id="LN3271">3271</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
3358<tr><td class="num" id="LN3272">3272</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3359<tr><td class="num" id="LN3273">3273</td><td class="line"> </td></tr>
3360<tr><td class="num" id="LN3274">3274</td><td class="line"> kprintf(<span class='string_literal'>"%-*s dev inode ref %-*s %-*s %-*s flags\n"</span>,</td></tr>
3361<tr><td class="num" id="LN3275">3275</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"address"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cache"</span>,</td></tr>
3362<tr><td class="num" id="LN3276">3276</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"fs-node"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"locking"</span>);</td></tr>
3363<tr><td class="num" id="LN3277">3277</td><td class="line"> </td></tr>
3364<tr><td class="num" id="LN3278">3278</td><td class="line"> hash_open(sVnodeTable, &amp;iterator);</td></tr>
3365<tr><td class="num" id="LN3279">3279</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &amp;iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3366<tr><td class="num" id="LN3280">3280</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;device != device)</td></tr>
3367<tr><td class="num" id="LN3281">3281</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
3368<tr><td class="num" id="LN3282">3282</td><td class="line"> </td></tr>
3369<tr><td class="num" id="LN3283">3283</td><td class="line"> kprintf(<span class='string_literal'>"%p%4"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"%10"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"%5"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %p %p %p %s%s%s\n"</span>,</td></tr>
3370<tr><td class="num" id="LN3284">3284</td><td class="line"> vnode, vnode-&gt;device, vnode-&gt;id, vnode-&gt;ref_count, vnode-&gt;cache,</td></tr>
3371<tr><td class="num" id="LN3285">3285</td><td class="line"> vnode-&gt;private_node, vnode-&gt;advisory_locking,</td></tr>
3372<tr><td class="num" id="LN3286">3286</td><td class="line"> vnode-&gt;IsRemoved() ? <span class='string_literal'>"r"</span> : <span class='string_literal'>"-"</span>, vnode-&gt;IsBusy() ? <span class='string_literal'>"b"</span> : <span class='string_literal'>"-"</span>,</td></tr>
3373<tr><td class="num" id="LN3287">3287</td><td class="line"> vnode-&gt;IsUnpublished() ? <span class='string_literal'>"u"</span> : <span class='string_literal'>"-"</span>);</td></tr>
3374<tr><td class="num" id="LN3288">3288</td><td class="line"> }</td></tr>
3375<tr><td class="num" id="LN3289">3289</td><td class="line"> </td></tr>
3376<tr><td class="num" id="LN3290">3290</td><td class="line"> hash_close(sVnodeTable, &amp;iterator, <span class='keyword'>false</span>);</td></tr>
3377<tr><td class="num" id="LN3291">3291</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3378<tr><td class="num" id="LN3292">3292</td><td class="line">}</td></tr>
3379<tr><td class="num" id="LN3293">3293</td><td class="line"> </td></tr>
3380<tr><td class="num" id="LN3294">3294</td><td class="line"> </td></tr>
3381<tr><td class="num" id="LN3295">3295</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
3382<tr><td class="num" id="LN3296">3296</td><td class="line">dump_vnode_caches(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
3383<tr><td class="num" id="LN3297">3297</td><td class="line">{</td></tr>
3384<tr><td class="num" id="LN3298">3298</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
3385<tr><td class="num" id="LN3299">3299</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3386<tr><td class="num" id="LN3300">3300</td><td class="line"> </td></tr>
3387<tr><td class="num" id="LN3301">3301</td><td class="line"> <span class='keyword'>if</span> (argc &gt; 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
3388<tr><td class="num" id="LN3302">3302</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [device]\n"</span>, argv[0]);</td></tr>
3389<tr><td class="num" id="LN3303">3303</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3390<tr><td class="num" id="LN3304">3304</td><td class="line"> }</td></tr>
3391<tr><td class="num" id="LN3305">3305</td><td class="line"> </td></tr>
3392<tr><td class="num" id="LN3306">3306</td><td class="line"> <span class='comment'>// restrict dumped nodes to a certain device if requested</span></td></tr>
3393<tr><td class="num" id="LN3307">3307</td><td class="line"> dev_t device = -1;</td></tr>
3394<tr><td class="num" id="LN3308">3308</td><td class="line"> <span class='keyword'>if</span> (argc &gt; 1)</td></tr>
3395<tr><td class="num" id="LN3309">3309</td><td class="line"> device = parse_expression(argv[1]);</td></tr>
3396<tr><td class="num" id="LN3310">3310</td><td class="line"> </td></tr>
3397<tr><td class="num" id="LN3311">3311</td><td class="line"> kprintf(<span class='string_literal'>"%-*s dev inode %-*s size pages\n"</span>,</td></tr>
3398<tr><td class="num" id="LN3312">3312</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"address"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cache"</span>);</td></tr>
3399<tr><td class="num" id="LN3313">3313</td><td class="line"> </td></tr>
3400<tr><td class="num" id="LN3314">3314</td><td class="line"> hash_open(sVnodeTable, &amp;iterator);</td></tr>
3401<tr><td class="num" id="LN3315">3315</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &amp;iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3402<tr><td class="num" id="LN3316">3316</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;cache == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3403<tr><td class="num" id="LN3317">3317</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
3404<tr><td class="num" id="LN3318">3318</td><td class="line"> <span class='keyword'>if</span> (device != -1 &amp;&amp; vnode-&gt;device != device)</td></tr>
3405<tr><td class="num" id="LN3319">3319</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
3406<tr><td class="num" id="LN3320">3320</td><td class="line"> </td></tr>
3407<tr><td class="num" id="LN3321">3321</td><td class="line"> kprintf(<span class='string_literal'>"%p%4"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"%10"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" %p %8"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>"%8"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"\n"</span>,</td></tr>
3408<tr><td class="num" id="LN3322">3322</td><td class="line"> vnode, vnode-&gt;device, vnode-&gt;id, vnode-&gt;cache,</td></tr>
3409<tr><td class="num" id="LN3323">3323</td><td class="line"> (vnode-&gt;cache-&gt;virtual_end + <span class='macro'>B_PAGE_SIZE<span class='expansion'>4096</span></span> - 1) / <span class='macro'>B_PAGE_SIZE<span class='expansion'>4096</span></span>,</td></tr>
3410<tr><td class="num" id="LN3324">3324</td><td class="line"> vnode-&gt;cache-&gt;page_count);</td></tr>
3411<tr><td class="num" id="LN3325">3325</td><td class="line"> }</td></tr>
3412<tr><td class="num" id="LN3326">3326</td><td class="line"> </td></tr>
3413<tr><td class="num" id="LN3327">3327</td><td class="line"> hash_close(sVnodeTable, &amp;iterator, <span class='keyword'>false</span>);</td></tr>
3414<tr><td class="num" id="LN3328">3328</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3415<tr><td class="num" id="LN3329">3329</td><td class="line">}</td></tr>
3416<tr><td class="num" id="LN3330">3330</td><td class="line"> </td></tr>
3417<tr><td class="num" id="LN3331">3331</td><td class="line"> </td></tr>
3418<tr><td class="num" id="LN3332">3332</td><td class="line"><span class='keyword'>int</span></td></tr>
3419<tr><td class="num" id="LN3333">3333</td><td class="line">dump_io_context(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
3420<tr><td class="num" id="LN3334">3334</td><td class="line">{</td></tr>
3421<tr><td class="num" id="LN3335">3335</td><td class="line"> <span class='keyword'>if</span> (argc &gt; 2 || !strcmp(argv[1], <span class='string_literal'>"--help"</span>)) {</td></tr>
3422<tr><td class="num" id="LN3336">3336</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s [team-id|address]\n"</span>, argv[0]);</td></tr>
3423<tr><td class="num" id="LN3337">3337</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3424<tr><td class="num" id="LN3338">3338</td><td class="line"> }</td></tr>
3425<tr><td class="num" id="LN3339">3339</td><td class="line"> </td></tr>
3426<tr><td class="num" id="LN3340">3340</td><td class="line"> <span class='keyword'>struct</span> io_context* context = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
3427<tr><td class="num" id="LN3341">3341</td><td class="line"> </td></tr>
3428<tr><td class="num" id="LN3342">3342</td><td class="line"> <span class='keyword'>if</span> (argc &gt; 1) {</td></tr>
3429<tr><td class="num" id="LN3343">3343</td><td class="line"> ulong num = parse_expression(argv[1]);</td></tr>
3430<tr><td class="num" id="LN3344">3344</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>IS_KERNEL_ADDRESS(num)<span class='expansion'>((addr_t)(num) &gt;= 0x80000000)</span></span>)</td></tr>
3431<tr><td class="num" id="LN3345">3345</td><td class="line"> context = (<span class='keyword'>struct</span> io_context*)num;</td></tr>
3432<tr><td class="num" id="LN3346">3346</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
3433<tr><td class="num" id="LN3347">3347</td><td class="line"> Team* team = team_get_team_struct_locked(num);</td></tr>
3434<tr><td class="num" id="LN3348">3348</td><td class="line"> <span class='keyword'>if</span> (team == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3435<tr><td class="num" id="LN3349">3349</td><td class="line"> kprintf(<span class='string_literal'>"could not find team with ID %lu\n"</span>, num);</td></tr>
3436<tr><td class="num" id="LN3350">3350</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3437<tr><td class="num" id="LN3351">3351</td><td class="line"> }</td></tr>
3438<tr><td class="num" id="LN3352">3352</td><td class="line"> context = (<span class='keyword'>struct</span> io_context*)team-&gt;io_context;</td></tr>
3439<tr><td class="num" id="LN3353">3353</td><td class="line"> }</td></tr>
3440<tr><td class="num" id="LN3354">3354</td><td class="line"> } <span class='keyword'>else</span></td></tr>
3441<tr><td class="num" id="LN3355">3355</td><td class="line"> context = get_current_io_context(<span class='keyword'>true</span>);</td></tr>
3442<tr><td class="num" id="LN3356">3356</td><td class="line"> </td></tr>
3443<tr><td class="num" id="LN3357">3357</td><td class="line"> kprintf(<span class='string_literal'>"I/O CONTEXT: %p\n"</span>, context);</td></tr>
3444<tr><td class="num" id="LN3358">3358</td><td class="line"> kprintf(<span class='string_literal'>" root vnode:\t%p\n"</span>, context-&gt;root);</td></tr>
3445<tr><td class="num" id="LN3359">3359</td><td class="line"> kprintf(<span class='string_literal'>" cwd vnode:\t%p\n"</span>, context-&gt;cwd);</td></tr>
3446<tr><td class="num" id="LN3360">3360</td><td class="line"> kprintf(<span class='string_literal'>" used fds:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context-&gt;num_used_fds);</td></tr>
3447<tr><td class="num" id="LN3361">3361</td><td class="line"> kprintf(<span class='string_literal'>" max fds:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context-&gt;table_size);</td></tr>
3448<tr><td class="num" id="LN3362">3362</td><td class="line"> </td></tr>
3449<tr><td class="num" id="LN3363">3363</td><td class="line"> <span class='keyword'>if</span> (context-&gt;num_used_fds) {</td></tr>
3450<tr><td class="num" id="LN3364">3364</td><td class="line"> kprintf(<span class='string_literal'>" no. type %*s ref open mode pos %*s\n"</span>,</td></tr>
3451<tr><td class="num" id="LN3365">3365</td><td class="line"> <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"ops"</span>, <span class='macro'>B_PRINTF_POINTER_WIDTH<span class='expansion'>8</span></span>, <span class='string_literal'>"cookie"</span>);</td></tr>
3452<tr><td class="num" id="LN3366">3366</td><td class="line"> }</td></tr>
3453<tr><td class="num" id="LN3367">3367</td><td class="line"> </td></tr>
3454<tr><td class="num" id="LN3368">3368</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i &lt; context-&gt;table_size; i++) {</td></tr>
3455<tr><td class="num" id="LN3369">3369</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* fd = context-&gt;fds[i];</td></tr>
3456<tr><td class="num" id="LN3370">3370</td><td class="line"> <span class='keyword'>if</span> (fd == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3457<tr><td class="num" id="LN3371">3371</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
3458<tr><td class="num" id="LN3372">3372</td><td class="line"> </td></tr>
3459<tr><td class="num" id="LN3373">3373</td><td class="line"> kprintf(<span class='string_literal'>" %3"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>": %4"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %p %3"</span> <span class='macro'>B_PRId32<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" %4"</span></td></tr>
3460<tr><td class="num" id="LN3374">3374</td><td class="line"> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" %4"</span> <span class='macro'>B_PRIx32<span class='expansion'>"l" "x"</span></span> <span class='string_literal'>" %10"</span> <span class='macro'>B_PRIdOFF<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" %p %s %p\n"</span>, i,</td></tr>
3461<tr><td class="num" id="LN3375">3375</td><td class="line"> fd-&gt;type, fd-&gt;ops, fd-&gt;ref_count, fd-&gt;open_count, fd-&gt;open_mode,</td></tr>
3462<tr><td class="num" id="LN3376">3376</td><td class="line"> fd-&gt;pos, fd-&gt;cookie,</td></tr>
3463<tr><td class="num" id="LN3377">3377</td><td class="line"> fd-&gt;type &gt;= FDTYPE_INDEX &amp;&amp; fd-&gt;type &lt;= FDTYPE_QUERY</td></tr>
3464<tr><td class="num" id="LN3378">3378</td><td class="line"> ? <span class='string_literal'>"mount"</span> : <span class='string_literal'>"vnode"</span>,</td></tr>
3465<tr><td class="num" id="LN3379">3379</td><td class="line"> fd-&gt;u.vnode);</td></tr>
3466<tr><td class="num" id="LN3380">3380</td><td class="line"> }</td></tr>
3467<tr><td class="num" id="LN3381">3381</td><td class="line"> </td></tr>
3468<tr><td class="num" id="LN3382">3382</td><td class="line"> kprintf(<span class='string_literal'>" used monitors:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context-&gt;num_monitors);</td></tr>
3469<tr><td class="num" id="LN3383">3383</td><td class="line"> kprintf(<span class='string_literal'>" max monitors:\t%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>"\n"</span>, context-&gt;max_monitors);</td></tr>
3470<tr><td class="num" id="LN3384">3384</td><td class="line"> </td></tr>
3471<tr><td class="num" id="LN3385">3385</td><td class="line"> set_debug_variable(<span class='string_literal'>"_cwd"</span>, (addr_t)context-&gt;cwd);</td></tr>
3472<tr><td class="num" id="LN3386">3386</td><td class="line"> </td></tr>
3473<tr><td class="num" id="LN3387">3387</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3474<tr><td class="num" id="LN3388">3388</td><td class="line">}</td></tr>
3475<tr><td class="num" id="LN3389">3389</td><td class="line"> </td></tr>
3476<tr><td class="num" id="LN3390">3390</td><td class="line"> </td></tr>
3477<tr><td class="num" id="LN3391">3391</td><td class="line"><span class='keyword'>int</span></td></tr>
3478<tr><td class="num" id="LN3392">3392</td><td class="line">dump_vnode_usage(<span class='keyword'>int</span> argc, <span class='keyword'>char</span>** argv)</td></tr>
3479<tr><td class="num" id="LN3393">3393</td><td class="line">{</td></tr>
3480<tr><td class="num" id="LN3394">3394</td><td class="line"> <span class='keyword'>if</span> (argc != 1) {</td></tr>
3481<tr><td class="num" id="LN3395">3395</td><td class="line"> kprintf(<span class='string_literal'>"usage: %s\n"</span>, argv[0]);</td></tr>
3482<tr><td class="num" id="LN3396">3396</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3483<tr><td class="num" id="LN3397">3397</td><td class="line"> }</td></tr>
3484<tr><td class="num" id="LN3398">3398</td><td class="line"> </td></tr>
3485<tr><td class="num" id="LN3399">3399</td><td class="line"> kprintf(<span class='string_literal'>"Unused vnodes: %"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" (max unused %"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>")\n"</span>,</td></tr>
3486<tr><td class="num" id="LN3400">3400</td><td class="line"> sUnusedVnodes, kMaxUnusedVnodes);</td></tr>
3487<tr><td class="num" id="LN3401">3401</td><td class="line"> </td></tr>
3488<tr><td class="num" id="LN3402">3402</td><td class="line"> <span class='keyword'>struct</span> hash_iterator iterator;</td></tr>
3489<tr><td class="num" id="LN3403">3403</td><td class="line"> hash_open(sVnodeTable, &amp;iterator);</td></tr>
3490<tr><td class="num" id="LN3404">3404</td><td class="line"> </td></tr>
3491<tr><td class="num" id="LN3405">3405</td><td class="line"> uint32 count = 0;</td></tr>
3492<tr><td class="num" id="LN3406">3406</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3493<tr><td class="num" id="LN3407">3407</td><td class="line"> <span class='keyword'>while</span> ((vnode = (<span class='keyword'>struct</span> vnode*)hash_next(sVnodeTable, &amp;iterator)) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3494<tr><td class="num" id="LN3408">3408</td><td class="line"> count++;</td></tr>
3495<tr><td class="num" id="LN3409">3409</td><td class="line"> }</td></tr>
3496<tr><td class="num" id="LN3410">3410</td><td class="line"> </td></tr>
3497<tr><td class="num" id="LN3411">3411</td><td class="line"> hash_close(sVnodeTable, &amp;iterator, <span class='keyword'>false</span>);</td></tr>
3498<tr><td class="num" id="LN3412">3412</td><td class="line"> </td></tr>
3499<tr><td class="num" id="LN3413">3413</td><td class="line"> kprintf(<span class='string_literal'>"%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" vnodes total (%"</span> <span class='macro'>B_PRIu32<span class='expansion'>"l" "u"</span></span> <span class='string_literal'>" in use).\n"</span>, count,</td></tr>
3500<tr><td class="num" id="LN3414">3414</td><td class="line"> count - sUnusedVnodes);</td></tr>
3501<tr><td class="num" id="LN3415">3415</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
3502<tr><td class="num" id="LN3416">3416</td><td class="line">}</td></tr>
3503<tr><td class="num" id="LN3417">3417</td><td class="line"> </td></tr>
3504<tr><td class="num" id="LN3418">3418</td><td class="line"><span class='directive'>#endif // ADD_DEBUGGER_COMMANDS</span></td></tr>
3505<tr><td class="num" id="LN3419">3419</td><td class="line"> </td></tr>
3506<tr><td class="num" id="LN3420">3420</td><td class="line"><span class='comment'>/*! Clears an iovec array of physical pages.</span></td></tr>
3507<tr><td class="num" id="LN3421">3421</td><td class="line"> <span class='comment'>Returns in \a _bytes the number of bytes successfully cleared.</span></td></tr>
3508<tr><td class="num" id="LN3422">3422</td><td class="line"><span class='comment'>*/</span></td></tr>
3509<tr><td class="num" id="LN3423">3423</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
3510<tr><td class="num" id="LN3424">3424</td><td class="line">zero_pages(<span class='keyword'>const</span> iovec* vecs, size_t vecCount, size_t* _bytes)</td></tr>
3511<tr><td class="num" id="LN3425">3425</td><td class="line">{</td></tr>
3512<tr><td class="num" id="LN3426">3426</td><td class="line"> size_t bytes = *_bytes;</td></tr>
3513<tr><td class="num" id="LN3427">3427</td><td class="line"> size_t index = 0;</td></tr>
3514<tr><td class="num" id="LN3428">3428</td><td class="line"> </td></tr>
3515<tr><td class="num" id="LN3429">3429</td><td class="line"> <span class='keyword'>while</span> (bytes &gt; 0) {</td></tr>
3516<tr><td class="num" id="LN3430">3430</td><td class="line"> size_t length = <span class='macro'>min_c(vecs[index].iov_len, bytes)<span class='expansion'>((vecs[index].iov_len)&gt;(bytes)?(bytes):(vecs[index].iov_len<br>))</span></span>;</td></tr>
3517<tr><td class="num" id="LN3431">3431</td><td class="line"> </td></tr>
3518<tr><td class="num" id="LN3432">3432</td><td class="line"> status_t status = vm_memset_physical((addr_t)vecs[index].iov_base, 0,</td></tr>
3519<tr><td class="num" id="LN3433">3433</td><td class="line"> length);</td></tr>
3520<tr><td class="num" id="LN3434">3434</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
3521<tr><td class="num" id="LN3435">3435</td><td class="line"> *_bytes -= bytes;</td></tr>
3522<tr><td class="num" id="LN3436">3436</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3523<tr><td class="num" id="LN3437">3437</td><td class="line"> }</td></tr>
3524<tr><td class="num" id="LN3438">3438</td><td class="line"> </td></tr>
3525<tr><td class="num" id="LN3439">3439</td><td class="line"> bytes -= length;</td></tr>
3526<tr><td class="num" id="LN3440">3440</td><td class="line"> }</td></tr>
3527<tr><td class="num" id="LN3441">3441</td><td class="line"> </td></tr>
3528<tr><td class="num" id="LN3442">3442</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3529<tr><td class="num" id="LN3443">3443</td><td class="line">}</td></tr>
3530<tr><td class="num" id="LN3444">3444</td><td class="line"> </td></tr>
3531<tr><td class="num" id="LN3445">3445</td><td class="line"> </td></tr>
3532<tr><td class="num" id="LN3446">3446</td><td class="line"><span class='comment'>/*! Does the dirty work of combining the file_io_vecs with the iovecs</span></td></tr>
3533<tr><td class="num" id="LN3447">3447</td><td class="line"> <span class='comment'>and calls the file system hooks to read/write the request to disk.</span></td></tr>
3534<tr><td class="num" id="LN3448">3448</td><td class="line"><span class='comment'>*/</span></td></tr>
3535<tr><td class="num" id="LN3449">3449</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
3536<tr><td class="num" id="LN3450">3450</td><td class="line">common_file_io_vec_pages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie,</td></tr>
3537<tr><td class="num" id="LN3451">3451</td><td class="line"> <span class='keyword'>const</span> file_io_vec* fileVecs, size_t fileVecCount, <span class='keyword'>const</span> iovec* vecs,</td></tr>
3538<tr><td class="num" id="LN3452">3452</td><td class="line"> size_t vecCount, uint32* _vecIndex, size_t* _vecOffset, size_t* _numBytes,</td></tr>
3539<tr><td class="num" id="LN3453">3453</td><td class="line"> <span class='keyword'>bool</span> doWrite)</td></tr>
3540<tr><td class="num" id="LN3454">3454</td><td class="line">{</td></tr>
3541<tr><td class="num" id="LN3455">3455</td><td class="line"> <span class='keyword'>if</span> (fileVecCount == 0) {</td></tr>
3542<tr><td class="num" id="LN3456">3456</td><td class="line"> <span class='comment'>// There are no file vecs at this offset, so we're obviously trying</span></td></tr>
3543<tr><td class="num" id="LN3457">3457</td><td class="line"> <span class='comment'>// to access the file outside of its bounds</span></td></tr>
3544<tr><td class="num" id="LN3458">3458</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3545<tr><td class="num" id="LN3459">3459</td><td class="line"> }</td></tr>
3546<tr><td class="num" id="LN3460">3460</td><td class="line"> </td></tr>
3547<tr><td class="num" id="LN3461">3461</td><td class="line"> size_t numBytes = *_numBytes;</td></tr>
3548<tr><td class="num" id="LN3462">3462</td><td class="line"> uint32 fileVecIndex;</td></tr>
3549<tr><td class="num" id="LN3463">3463</td><td class="line"> size_t vecOffset = *_vecOffset;</td></tr>
3550<tr><td class="num" id="LN3464">3464</td><td class="line"> uint32 vecIndex = *_vecIndex;</td></tr>
3551<tr><td class="num" id="LN3465">3465</td><td class="line"> status_t status;</td></tr>
3552<tr><td class="num" id="LN3466">3466</td><td class="line"> size_t size;</td></tr>
3553<tr><td class="num" id="LN3467">3467</td><td class="line"> </td></tr>
3554<tr><td class="num" id="LN3468">3468</td><td class="line"> <span class='keyword'>if</span> (!doWrite &amp;&amp; vecOffset == 0) {</td></tr>
3555<tr><td class="num" id="LN3469">3469</td><td class="line"> <span class='comment'>// now directly read the data from the device</span></td></tr>
3556<tr><td class="num" id="LN3470">3470</td><td class="line"> <span class='comment'>// the first file_io_vec can be read directly</span></td></tr>
3557<tr><td class="num" id="LN3471">3471</td><td class="line"> </td></tr>
3558<tr><td class="num" id="LN3472">3472</td><td class="line"> <span class='keyword'>if</span> (fileVecs[0].length &lt; (off_t)numBytes)</td></tr>
3559<tr><td class="num" id="LN3473">3473</td><td class="line"> size = fileVecs[0].length;</td></tr>
3560<tr><td class="num" id="LN3474">3474</td><td class="line"> <span class='keyword'>else</span></td></tr>
3561<tr><td class="num" id="LN3475">3475</td><td class="line"> size = numBytes;</td></tr>
3562<tr><td class="num" id="LN3476">3476</td><td class="line"> </td></tr>
3563<tr><td class="num" id="LN3477">3477</td><td class="line"> <span class='keyword'>if</span> (fileVecs[0].offset &gt;= 0) {</td></tr>
3564<tr><td class="num" id="LN3478">3478</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_pages, cookie, fileVecs[0].offset,<span class='expansion'>( (vnode-&gt;ops-&gt;read_pages != __null) ? vnode-&gt;ops-&gt;<br>read_pages(vnode-&gt;mount-&gt;volume, vnode, cookie, fileVecs<br>[0].offset, &amp;vecs[vecIndex], vecCount - vecIndex, &amp;size<br>) : (panic("FS_CALL op " "read_pages" " is NULL"), 0))</span></span></td></tr>
3565<tr><td class="num" id="LN3479">3479</td><td class="line"> <span class='macro'>&amp;vecs[vecIndex], vecCount - vecIndex, &amp;size)<span class='expansion'>( (vnode-&gt;ops-&gt;read_pages != __null) ? vnode-&gt;ops-&gt;<br>read_pages(vnode-&gt;mount-&gt;volume, vnode, cookie, fileVecs<br>[0].offset, &amp;vecs[vecIndex], vecCount - vecIndex, &amp;size<br>) : (panic("FS_CALL op " "read_pages" " is NULL"), 0))</span></span>;</td></tr>
3566<tr><td class="num" id="LN3480">3480</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
3567<tr><td class="num" id="LN3481">3481</td><td class="line"> <span class='comment'>// sparse read</span></td></tr>
3568<tr><td class="num" id="LN3482">3482</td><td class="line"> status = zero_pages(&amp;vecs[vecIndex], vecCount - vecIndex, &amp;size);</td></tr>
3569<tr><td class="num" id="LN3483">3483</td><td class="line"> }</td></tr>
3570<tr><td class="num" id="LN3484">3484</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3571<tr><td class="num" id="LN3485">3485</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3572<tr><td class="num" id="LN3486">3486</td><td class="line"> </td></tr>
3573<tr><td class="num" id="LN3487">3487</td><td class="line"> <span class='comment'>// TODO: this is a work-around for buggy device drivers!</span></td></tr>
3574<tr><td class="num" id="LN3488">3488</td><td class="line"> <span class='comment'>// When our own drivers honour the length, we can:</span></td></tr>
3575<tr><td class="num" id="LN3489">3489</td><td class="line"> <span class='comment'>// a) also use this direct I/O for writes (otherwise, it would</span></td></tr>
3576<tr><td class="num" id="LN3490">3490</td><td class="line"> <span class='comment'>// overwrite precious data)</span></td></tr>
3577<tr><td class="num" id="LN3491">3491</td><td class="line"> <span class='comment'>// b) panic if the term below is true (at least for writes)</span></td></tr>
3578<tr><td class="num" id="LN3492">3492</td><td class="line"> <span class='keyword'>if</span> ((off_t)size &gt; fileVecs[0].length) {</td></tr>
3579<tr><td class="num" id="LN3493">3493</td><td class="line"> <span class='comment'>//dprintf("warning: device driver %p doesn't respect total length "</span></td></tr>
3580<tr><td class="num" id="LN3494">3494</td><td class="line"> <span class='comment'>// "in read_pages() call!\n", ref-&gt;device);</span></td></tr>
3581<tr><td class="num" id="LN3495">3495</td><td class="line"> size = fileVecs[0].length;</td></tr>
3582<tr><td class="num" id="LN3496">3496</td><td class="line"> }</td></tr>
3583<tr><td class="num" id="LN3497">3497</td><td class="line"> </td></tr>
3584<tr><td class="num" id="LN3498">3498</td><td class="line"> <span class='macro'>ASSERT((off_t)size &lt;= fileVecs[0].length)<span class='expansion'>do { if (!((off_t)size &lt;= fileVecs[0].length)) { panic("ASSERT FAILED (%s:%d): %s"<br>, "/home/haiku/haiku/haiku/src/system/kernel/fs/vfs.cpp", 3498<br>, "(off_t)size &lt;= fileVecs[0].length"); } } while (0)</span></span>;</td></tr>
3585<tr><td class="num" id="LN3499">3499</td><td class="line"> </td></tr>
3586<tr><td class="num" id="LN3500">3500</td><td class="line"> <span class='comment'>// If the file portion was contiguous, we're already done now</span></td></tr>
3587<tr><td class="num" id="LN3501">3501</td><td class="line"> <span class='keyword'>if</span> (size == numBytes)</td></tr>
3588<tr><td class="num" id="LN3502">3502</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3589<tr><td class="num" id="LN3503">3503</td><td class="line"> </td></tr>
3590<tr><td class="num" id="LN3504">3504</td><td class="line"> <span class='comment'>// if we reached the end of the file, we can return as well</span></td></tr>
3591<tr><td class="num" id="LN3505">3505</td><td class="line"> <span class='keyword'>if</span> ((off_t)size != fileVecs[0].length) {</td></tr>
3592<tr><td class="num" id="LN3506">3506</td><td class="line"> *_numBytes = size;</td></tr>
3593<tr><td class="num" id="LN3507">3507</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3594<tr><td class="num" id="LN3508">3508</td><td class="line"> }</td></tr>
3595<tr><td class="num" id="LN3509">3509</td><td class="line"> </td></tr>
3596<tr><td class="num" id="LN3510">3510</td><td class="line"> fileVecIndex = 1;</td></tr>
3597<tr><td class="num" id="LN3511">3511</td><td class="line"> </td></tr>
3598<tr><td class="num" id="LN3512">3512</td><td class="line"> <span class='comment'>// first, find out where we have to continue in our iovecs</span></td></tr>
3599<tr><td class="num" id="LN3513">3513</td><td class="line"> <span class='keyword'>for</span> (; vecIndex &lt; vecCount; vecIndex++) {</td></tr>
3600<tr><td class="num" id="LN3514">3514</td><td class="line"> <span class='keyword'>if</span> (size &lt; vecs[vecIndex].iov_len)</td></tr>
3601<tr><td class="num" id="LN3515">3515</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
3602<tr><td class="num" id="LN3516">3516</td><td class="line"> </td></tr>
3603<tr><td class="num" id="LN3517">3517</td><td class="line"> size -= vecs[vecIndex].iov_len;</td></tr>
3604<tr><td class="num" id="LN3518">3518</td><td class="line"> }</td></tr>
3605<tr><td class="num" id="LN3519">3519</td><td class="line"> </td></tr>
3606<tr><td class="num" id="LN3520">3520</td><td class="line"> vecOffset = size;</td></tr>
3607<tr><td class="num" id="LN3521">3521</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
3608<tr><td class="num" id="LN3522">3522</td><td class="line"> fileVecIndex = 0;</td></tr>
3609<tr><td class="num" id="LN3523">3523</td><td class="line"> size = 0;</td></tr>
3610<tr><td class="num" id="LN3524">3524</td><td class="line"> }</td></tr>
3611<tr><td class="num" id="LN3525">3525</td><td class="line"> </td></tr>
3612<tr><td class="num" id="LN3526">3526</td><td class="line"> <span class='comment'>// Too bad, let's process the rest of the file_io_vecs</span></td></tr>
3613<tr><td class="num" id="LN3527">3527</td><td class="line"> </td></tr>
3614<tr><td class="num" id="LN3528">3528</td><td class="line"> size_t totalSize = size;</td></tr>
3615<tr><td class="num" id="LN3529">3529</td><td class="line"> size_t bytesLeft = numBytes - size;</td></tr>
3616<tr><td class="num" id="LN3530">3530</td><td class="line"> </td></tr>
3617<tr><td class="num" id="LN3531">3531</td><td class="line"> <span class='keyword'>for</span> (; fileVecIndex &lt; fileVecCount; fileVecIndex++) {</td></tr>
3618<tr><td class="num" id="LN3532">3532</td><td class="line"> <span class='keyword'>const</span> file_io_vec &amp;fileVec = fileVecs[fileVecIndex];</td></tr>
3619<tr><td class="num" id="LN3533">3533</td><td class="line"> off_t fileOffset = fileVec.offset;</td></tr>
3620<tr><td class="num" id="LN3534">3534</td><td class="line"> off_t fileLeft = <span class='macro'>min_c(fileVec.length, (off_t)bytesLeft)<span class='expansion'>((fileVec.length)&gt;((off_t)bytesLeft)?((off_t)bytesLeft):(fileVec<br>.length))</span></span>;</td></tr>
3621<tr><td class="num" id="LN3535">3535</td><td class="line"> </td></tr>
3622<tr><td class="num" id="LN3536">3536</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"FILE VEC [%"</span> B_PRIu32 <span class='string_literal'>"] length %"</span> B_PRIdOFF <span class='string_literal'>"\n"</span>, fileVecIndex,<span class='expansion'>;</span></span></td></tr>
3623<tr><td class="num" id="LN3537">3537</td><td class="line"> <span class='macro'>fileLeft))<span class='expansion'>;</span></span>;</td></tr>
3624<tr><td class="num" id="LN3538">3538</td><td class="line"> </td></tr>
3625<tr><td class="num" id="LN3539">3539</td><td class="line"> <span class='comment'>// process the complete fileVec</span></td></tr>
3626<tr><td class="num" id="LN3540">3540</td><td class="line"> <span class='keyword'>while</span> (fileLeft &gt; 0) {</td></tr>
3627<tr><td class="num" id="LN3541">3541</td><td class="line"> iovec tempVecs[<span class='macro'>MAX_TEMP_IO_VECS<span class='expansion'>8</span></span>];</td></tr>
3628<tr><td class="num" id="LN3542">3542</td><td class="line"> uint32 tempCount = 0;</td></tr>
3629<tr><td class="num" id="LN3543">3543</td><td class="line"> </td></tr>
3630<tr><td class="num" id="LN3544">3544</td><td class="line"> <span class='comment'>// size tracks how much of what is left of the current fileVec</span></td></tr>
3631<tr><td class="num" id="LN3545">3545</td><td class="line"> <span class='comment'>// (fileLeft) has been assigned to tempVecs</span></td></tr>
3632<tr><td class="num" id="LN3546">3546</td><td class="line"> size = 0;</td></tr>
3633<tr><td class="num" id="LN3547">3547</td><td class="line"> </td></tr>
3634<tr><td class="num" id="LN3548">3548</td><td class="line"> <span class='comment'>// assign what is left of the current fileVec to the tempVecs</span></td></tr>
3635<tr><td class="num" id="LN3549">3549</td><td class="line"> <span class='keyword'>for</span> (size = 0; (off_t)size &lt; fileLeft &amp;&amp; vecIndex &lt; vecCount</td></tr>
3636<tr><td class="num" id="LN3550">3550</td><td class="line"> &amp;&amp; tempCount &lt; <span class='macro'>MAX_TEMP_IO_VECS<span class='expansion'>8</span></span>;) {</td></tr>
3637<tr><td class="num" id="LN3551">3551</td><td class="line"> <span class='comment'>// try to satisfy one iovec per iteration (or as much as</span></td></tr>
3638<tr><td class="num" id="LN3552">3552</td><td class="line"> <span class='comment'>// possible)</span></td></tr>
3639<tr><td class="num" id="LN3553">3553</td><td class="line"> </td></tr>
3640<tr><td class="num" id="LN3554">3554</td><td class="line"> <span class='comment'>// bytes left of the current iovec</span></td></tr>
3641<tr><td class="num" id="LN3555">3555</td><td class="line"> size_t vecLeft = vecs[vecIndex].iov_len - vecOffset;</td></tr>
3642<tr><td class="num" id="LN3556">3556</td><td class="line"> <span class='keyword'>if</span> (vecLeft == 0) {</td></tr>
3643<tr><td class="num" id="LN3557">3557</td><td class="line"> vecOffset = 0;</td></tr>
3644<tr><td class="num" id="LN3558">3558</td><td class="line"> vecIndex++;</td></tr>
3645<tr><td class="num" id="LN3559">3559</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
3646<tr><td class="num" id="LN3560">3560</td><td class="line"> }</td></tr>
3647<tr><td class="num" id="LN3561">3561</td><td class="line"> </td></tr>
3648<tr><td class="num" id="LN3562">3562</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fill vec %"</span> B_PRIu32 <span class='string_literal'>", offset = %lu, size = %lu\n"</span>,<span class='expansion'>;</span></span></td></tr>
3649<tr><td class="num" id="LN3563">3563</td><td class="line"> <span class='macro'>vecIndex, vecOffset, size))<span class='expansion'>;</span></span>;</td></tr>
3650<tr><td class="num" id="LN3564">3564</td><td class="line"> </td></tr>
3651<tr><td class="num" id="LN3565">3565</td><td class="line"> <span class='comment'>// actually available bytes</span></td></tr>
3652<tr><td class="num" id="LN3566">3566</td><td class="line"> size_t tempVecSize = <span class='macro'>min_c(vecLeft, fileLeft - size)<span class='expansion'>((vecLeft)&gt;(fileLeft - size)?(fileLeft - size):(vecLeft))</span></span>;</td></tr>
3653<tr><td class="num" id="LN3567">3567</td><td class="line"> </td></tr>
3654<tr><td class="num" id="LN3568">3568</td><td class="line"> tempVecs[tempCount].iov_base</td></tr>
3655<tr><td class="num" id="LN3569">3569</td><td class="line"> = (<span class='keyword'>void</span>*)((addr_t)vecs[vecIndex].iov_base + vecOffset);</td></tr>
3656<tr><td class="num" id="LN3570">3570</td><td class="line"> tempVecs[tempCount].iov_len = tempVecSize;</td></tr>
3657<tr><td class="num" id="LN3571">3571</td><td class="line"> tempCount++;</td></tr>
3658<tr><td class="num" id="LN3572">3572</td><td class="line"> </td></tr>
3659<tr><td class="num" id="LN3573">3573</td><td class="line"> size += tempVecSize;</td></tr>
3660<tr><td class="num" id="LN3574">3574</td><td class="line"> vecOffset += tempVecSize;</td></tr>
3661<tr><td class="num" id="LN3575">3575</td><td class="line"> }</td></tr>
3662<tr><td class="num" id="LN3576">3576</td><td class="line"> </td></tr>
3663<tr><td class="num" id="LN3577">3577</td><td class="line"> size_t bytes = size;</td></tr>
3664<tr><td class="num" id="LN3578">3578</td><td class="line"> </td></tr>
3665<tr><td class="num" id="LN3579">3579</td><td class="line"> <span class='keyword'>if</span> (fileOffset == -1) {</td></tr>
3666<tr><td class="num" id="LN3580">3580</td><td class="line"> <span class='keyword'>if</span> (doWrite) {</td></tr>
3667<tr><td class="num" id="LN3581">3581</td><td class="line"> panic(<span class='string_literal'>"sparse write attempt: vnode %p"</span>, vnode);</td></tr>
3668<tr><td class="num" id="LN3582">3582</td><td class="line"> status = <span class='macro'>B_IO_ERROR<span class='expansion'>((-2147483647 - 1) + 1)</span></span>;</td></tr>
3669<tr><td class="num" id="LN3583">3583</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
3670<tr><td class="num" id="LN3584">3584</td><td class="line"> <span class='comment'>// sparse read</span></td></tr>
3671<tr><td class="num" id="LN3585">3585</td><td class="line"> status = zero_pages(tempVecs, tempCount, &amp;bytes);</td></tr>
3672<tr><td class="num" id="LN3586">3586</td><td class="line"> }</td></tr>
3673<tr><td class="num" id="LN3587">3587</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (doWrite) {</td></tr>
3674<tr><td class="num" id="LN3588">3588</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, write_pages, cookie, fileOffset,<span class='expansion'>( (vnode-&gt;ops-&gt;write_pages != __null) ? vnode-&gt;ops-&gt;<br>write_pages(vnode-&gt;mount-&gt;volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &amp;bytes) : (panic("FS_CALL op " "write_pages"<br> " is NULL"), 0))</span></span></td></tr>
3675<tr><td class="num" id="LN3589">3589</td><td class="line"> <span class='macro'>tempVecs, tempCount, &amp;bytes)<span class='expansion'>( (vnode-&gt;ops-&gt;write_pages != __null) ? vnode-&gt;ops-&gt;<br>write_pages(vnode-&gt;mount-&gt;volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &amp;bytes) : (panic("FS_CALL op " "write_pages"<br> " is NULL"), 0))</span></span>;</td></tr>
3676<tr><td class="num" id="LN3590">3590</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
3677<tr><td class="num" id="LN3591">3591</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_pages, cookie, fileOffset,<span class='expansion'>( (vnode-&gt;ops-&gt;read_pages != __null) ? vnode-&gt;ops-&gt;<br>read_pages(vnode-&gt;mount-&gt;volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &amp;bytes) : (panic("FS_CALL op " "read_pages"<br> " is NULL"), 0))</span></span></td></tr>
3678<tr><td class="num" id="LN3592">3592</td><td class="line"> <span class='macro'>tempVecs, tempCount, &amp;bytes)<span class='expansion'>( (vnode-&gt;ops-&gt;read_pages != __null) ? vnode-&gt;ops-&gt;<br>read_pages(vnode-&gt;mount-&gt;volume, vnode, cookie, fileOffset<br>, tempVecs, tempCount, &amp;bytes) : (panic("FS_CALL op " "read_pages"<br> " is NULL"), 0))</span></span>;</td></tr>
3679<tr><td class="num" id="LN3593">3593</td><td class="line"> }</td></tr>
3680<tr><td class="num" id="LN3594">3594</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3681<tr><td class="num" id="LN3595">3595</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3682<tr><td class="num" id="LN3596">3596</td><td class="line"> </td></tr>
3683<tr><td class="num" id="LN3597">3597</td><td class="line"> totalSize += bytes;</td></tr>
3684<tr><td class="num" id="LN3598">3598</td><td class="line"> bytesLeft -= size;</td></tr>
3685<tr><td class="num" id="LN3599">3599</td><td class="line"> <span class='keyword'>if</span> (fileOffset &gt;= 0)</td></tr>
3686<tr><td class="num" id="LN3600">3600</td><td class="line"> fileOffset += size;</td></tr>
3687<tr><td class="num" id="LN3601">3601</td><td class="line"> fileLeft -= size;</td></tr>
3688<tr><td class="num" id="LN3602">3602</td><td class="line"> <span class='comment'>//dprintf("-&gt; file left = %Lu\n", fileLeft);</span></td></tr>
3689<tr><td class="num" id="LN3603">3603</td><td class="line"> </td></tr>
3690<tr><td class="num" id="LN3604">3604</td><td class="line"> <span class='keyword'>if</span> (size != bytes || vecIndex &gt;= vecCount) {</td></tr>
3691<tr><td class="num" id="LN3605">3605</td><td class="line"> <span class='comment'>// there are no more bytes or iovecs, let's bail out</span></td></tr>
3692<tr><td class="num" id="LN3606">3606</td><td class="line"> *_numBytes = totalSize;</td></tr>
3693<tr><td class="num" id="LN3607">3607</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3694<tr><td class="num" id="LN3608">3608</td><td class="line"> }</td></tr>
3695<tr><td class="num" id="LN3609">3609</td><td class="line"> }</td></tr>
3696<tr><td class="num" id="LN3610">3610</td><td class="line"> }</td></tr>
3697<tr><td class="num" id="LN3611">3611</td><td class="line"> </td></tr>
3698<tr><td class="num" id="LN3612">3612</td><td class="line"> *_vecIndex = vecIndex;</td></tr>
3699<tr><td class="num" id="LN3613">3613</td><td class="line"> *_vecOffset = vecOffset;</td></tr>
3700<tr><td class="num" id="LN3614">3614</td><td class="line"> *_numBytes = totalSize;</td></tr>
3701<tr><td class="num" id="LN3615">3615</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3702<tr><td class="num" id="LN3616">3616</td><td class="line">}</td></tr>
3703<tr><td class="num" id="LN3617">3617</td><td class="line"> </td></tr>
3704<tr><td class="num" id="LN3618">3618</td><td class="line"> </td></tr>
3705<tr><td class="num" id="LN3619">3619</td><td class="line"><span class='comment'>// #pragma mark - public API for file systems</span></td></tr>
3706<tr><td class="num" id="LN3620">3620</td><td class="line"> </td></tr>
3707<tr><td class="num" id="LN3621">3621</td><td class="line"> </td></tr>
3708<tr><td class="num" id="LN3622">3622</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3709<tr><td class="num" id="LN3623">3623</td><td class="line">new_vnode(fs_volume* volume, ino_t vnodeID, <span class='keyword'>void</span>* privateNode,</td></tr>
3710<tr><td class="num" id="LN3624">3624</td><td class="line"> fs_vnode_ops* ops)</td></tr>
3711<tr><td class="num" id="LN3625">3625</td><td class="line">{</td></tr>
3712<tr><td class="num" id="LN3626">3626</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"new_vnode(volume = %p (%"</span> B_PRId32 <span class='string_literal'>"), vnodeID = %"</span> B_PRId64<span class='expansion'>;</span></span></td></tr>
3713<tr><td class="num" id="LN3627">3627</td><td class="line"> <span class='string_literal'><span class='macro'>", node = %p)\n"</span>, volume, volume-&gt;id, vnodeID, privateNode))<span class='expansion'>;</span></span>;</td></tr>
3714<tr><td class="num" id="LN3628">3628</td><td class="line"> </td></tr>
3715<tr><td class="num" id="LN3629">3629</td><td class="line"> <span class='keyword'>if</span> (privateNode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3716<tr><td class="num" id="LN3630">3630</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3717<tr><td class="num" id="LN3631">3631</td><td class="line"> </td></tr>
3718<tr><td class="num" id="LN3632">3632</td><td class="line"> <span class='comment'>// create the node</span></td></tr>
3719<tr><td class="num" id="LN3633">3633</td><td class="line"> <span class='keyword'>bool</span> nodeCreated;</td></tr>
3720<tr><td class="num" id="LN3634">3634</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3721<tr><td class="num" id="LN3635">3635</td><td class="line"> status_t status = create_new_vnode_and_lock(volume-&gt;id, vnodeID, vnode,</td></tr>
3722<tr><td class="num" id="LN3636">3636</td><td class="line"> nodeCreated);</td></tr>
3723<tr><td class="num" id="LN3637">3637</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3724<tr><td class="num" id="LN3638">3638</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3725<tr><td class="num" id="LN3639">3639</td><td class="line"> </td></tr>
3726<tr><td class="num" id="LN3640">3640</td><td class="line"> WriteLocker nodeLocker(sVnodeLock, <span class='keyword'>true</span>);</td></tr>
3727<tr><td class="num" id="LN3641">3641</td><td class="line"> <span class='comment'>// create_new_vnode_and_lock() has locked for us</span></td></tr>
3728<tr><td class="num" id="LN3642">3642</td><td class="line"> </td></tr>
3729<tr><td class="num" id="LN3643">3643</td><td class="line"> <span class='comment'>// file system integrity check:</span></td></tr>
3730<tr><td class="num" id="LN3644">3644</td><td class="line"> <span class='comment'>// test if the vnode already exists and bail out if this is the case!</span></td></tr>
3731<tr><td class="num" id="LN3645">3645</td><td class="line"> <span class='keyword'>if</span> (!nodeCreated) {</td></tr>
3732<tr><td class="num" id="LN3646">3646</td><td class="line"> panic(<span class='string_literal'>"vnode %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>":%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>" already exists (node = %p, "</span></td></tr>
3733<tr><td class="num" id="LN3647">3647</td><td class="line"> <span class='string_literal'>"vnode-&gt;node = %p)!"</span>, volume-&gt;id, vnodeID, privateNode,</td></tr>
3734<tr><td class="num" id="LN3648">3648</td><td class="line"> vnode-&gt;private_node);</td></tr>
3735<tr><td class="num" id="LN3649">3649</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
3736<tr><td class="num" id="LN3650">3650</td><td class="line"> }</td></tr>
3737<tr><td class="num" id="LN3651">3651</td><td class="line"> </td></tr>
3738<tr><td class="num" id="LN3652">3652</td><td class="line"> vnode-&gt;private_node = privateNode;</td></tr>
3739<tr><td class="num" id="LN3653">3653</td><td class="line"> vnode-&gt;ops = ops;</td></tr>
3740<tr><td class="num" id="LN3654">3654</td><td class="line"> vnode-&gt;SetUnpublished(<span class='keyword'>true</span>);</td></tr>
3741<tr><td class="num" id="LN3655">3655</td><td class="line"> </td></tr>
3742<tr><td class="num" id="LN3656">3656</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"returns: %s\n"</span>, strerror(status)))<span class='expansion'>;</span></span>;</td></tr>
3743<tr><td class="num" id="LN3657">3657</td><td class="line"> </td></tr>
3744<tr><td class="num" id="LN3658">3658</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3745<tr><td class="num" id="LN3659">3659</td><td class="line">}</td></tr>
3746<tr><td class="num" id="LN3660">3660</td><td class="line"> </td></tr>
3747<tr><td class="num" id="LN3661">3661</td><td class="line"> </td></tr>
3748<tr><td class="num" id="LN3662">3662</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3749<tr><td class="num" id="LN3663">3663</td><td class="line">publish_vnode(fs_volume* volume, ino_t vnodeID, <span class='keyword'>void</span>* privateNode,</td></tr>
3750<tr><td class="num" id="LN3664">3664</td><td class="line"> fs_vnode_ops* ops, <span class='keyword'>int</span> type, uint32 flags)</td></tr>
3751<tr><td class="num" id="LN3665">3665</td><td class="line">{</td></tr>
3752<tr><td class="num" id="LN3666">3666</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"publish_vnode()\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
3753<tr><td class="num" id="LN3667">3667</td><td class="line"> </td></tr>
3754<tr><td class="num" id="LN3668">3668</td><td class="line"> WriteLocker locker(sVnodeLock);</td></tr>
3755<tr><td class="num" id="LN3669">3669</td><td class="line"> </td></tr>
3756<tr><td class="num" id="LN3670">3670</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(volume-&gt;id, vnodeID);</td></tr>
3757<tr><td class="num" id="LN3671">3671</td><td class="line"> </td></tr>
3758<tr><td class="num" id="LN3672">3672</td><td class="line"> <span class='keyword'>bool</span> nodeCreated = <span class='keyword'>false</span>;</td></tr>
3759<tr><td class="num" id="LN3673">3673</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3760<tr><td class="num" id="LN3674">3674</td><td class="line"> <span class='keyword'>if</span> (privateNode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3761<tr><td class="num" id="LN3675">3675</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3762<tr><td class="num" id="LN3676">3676</td><td class="line"> </td></tr>
3763<tr><td class="num" id="LN3677">3677</td><td class="line"> <span class='comment'>// create the node</span></td></tr>
3764<tr><td class="num" id="LN3678">3678</td><td class="line"> locker.Unlock();</td></tr>
3765<tr><td class="num" id="LN3679">3679</td><td class="line"> <span class='comment'>// create_new_vnode_and_lock() will re-lock for us on success</span></td></tr>
3766<tr><td class="num" id="LN3680">3680</td><td class="line"> status_t status = create_new_vnode_and_lock(volume-&gt;id, vnodeID, vnode,</td></tr>
3767<tr><td class="num" id="LN3681">3681</td><td class="line"> nodeCreated);</td></tr>
3768<tr><td class="num" id="LN3682">3682</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3769<tr><td class="num" id="LN3683">3683</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3770<tr><td class="num" id="LN3684">3684</td><td class="line"> </td></tr>
3771<tr><td class="num" id="LN3685">3685</td><td class="line"> locker.SetTo(sVnodeLock, <span class='keyword'>true</span>);</td></tr>
3772<tr><td class="num" id="LN3686">3686</td><td class="line"> }</td></tr>
3773<tr><td class="num" id="LN3687">3687</td><td class="line"> </td></tr>
3774<tr><td class="num" id="LN3688">3688</td><td class="line"> <span class='keyword'>if</span> (nodeCreated) {</td></tr>
3775<tr><td class="num" id="LN3689">3689</td><td class="line"> vnode-&gt;private_node = privateNode;</td></tr>
3776<tr><td class="num" id="LN3690">3690</td><td class="line"> vnode-&gt;ops = ops;</td></tr>
3777<tr><td class="num" id="LN3691">3691</td><td class="line"> vnode-&gt;SetUnpublished(<span class='keyword'>true</span>);</td></tr>
3778<tr><td class="num" id="LN3692">3692</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (vnode-&gt;IsBusy() &amp;&amp; vnode-&gt;IsUnpublished()</td></tr>
3779<tr><td class="num" id="LN3693">3693</td><td class="line"> &amp;&amp; vnode-&gt;private_node == privateNode &amp;&amp; vnode-&gt;ops == ops) {</td></tr>
3780<tr><td class="num" id="LN3694">3694</td><td class="line"> <span class='comment'>// already known, but not published</span></td></tr>
3781<tr><td class="num" id="LN3695">3695</td><td class="line"> } <span class='keyword'>else</span></td></tr>
3782<tr><td class="num" id="LN3696">3696</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3783<tr><td class="num" id="LN3697">3697</td><td class="line"> </td></tr>
3784<tr><td class="num" id="LN3698">3698</td><td class="line"> <span class='keyword'>bool</span> publishSpecialSubNode = <span class='keyword'>false</span>;</td></tr>
3785<tr><td class="num" id="LN3699">3699</td><td class="line"> </td></tr>
3786<tr><td class="num" id="LN3700">3700</td><td class="line"> vnode-&gt;SetType(type);</td></tr>
3787<tr><td class="num" id="LN3701">3701</td><td class="line"> vnode-&gt;SetRemoved((flags &amp; <span class='macro'>B_VNODE_PUBLISH_REMOVED<span class='expansion'>0x01</span></span>) != 0);</td></tr>
3788<tr><td class="num" id="LN3702">3702</td><td class="line"> publishSpecialSubNode = is_special_node_type(type)</td></tr>
3789<tr><td class="num" id="LN3703">3703</td><td class="line"> &amp;&amp; (flags &amp; <span class='macro'>B_VNODE_DONT_CREATE_SPECIAL_SUB_NODE<span class='expansion'>0x02</span></span>) == 0;</td></tr>
3790<tr><td class="num" id="LN3704">3704</td><td class="line"> </td></tr>
3791<tr><td class="num" id="LN3705">3705</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3792<tr><td class="num" id="LN3706">3706</td><td class="line"> </td></tr>
3793<tr><td class="num" id="LN3707">3707</td><td class="line"> <span class='comment'>// create sub vnodes, if necessary</span></td></tr>
3794<tr><td class="num" id="LN3708">3708</td><td class="line"> <span class='keyword'>if</span> (volume-&gt;sub_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span> || publishSpecialSubNode) {</td></tr>
3795<tr><td class="num" id="LN3709">3709</td><td class="line"> locker.Unlock();</td></tr>
3796<tr><td class="num" id="LN3710">3710</td><td class="line"> </td></tr>
3797<tr><td class="num" id="LN3711">3711</td><td class="line"> fs_volume* subVolume = volume;</td></tr>
3798<tr><td class="num" id="LN3712">3712</td><td class="line"> <span class='keyword'>if</span> (volume-&gt;sub_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3799<tr><td class="num" id="LN3713">3713</td><td class="line"> <span class='keyword'>while</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; subVolume-&gt;sub_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3800<tr><td class="num" id="LN3714">3714</td><td class="line"> subVolume = subVolume-&gt;sub_volume;</td></tr>
3801<tr><td class="num" id="LN3715">3715</td><td class="line"> status = subVolume-&gt;ops-&gt;create_sub_vnode(subVolume, vnodeID,</td></tr>
3802<tr><td class="num" id="LN3716">3716</td><td class="line"> vnode);</td></tr>
3803<tr><td class="num" id="LN3717">3717</td><td class="line"> }</td></tr>
3804<tr><td class="num" id="LN3718">3718</td><td class="line"> }</td></tr>
3805<tr><td class="num" id="LN3719">3719</td><td class="line"> </td></tr>
3806<tr><td class="num" id="LN3720">3720</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; publishSpecialSubNode)</td></tr>
3807<tr><td class="num" id="LN3721">3721</td><td class="line"> status = create_special_sub_node(vnode, flags);</td></tr>
3808<tr><td class="num" id="LN3722">3722</td><td class="line"> </td></tr>
3809<tr><td class="num" id="LN3723">3723</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
3810<tr><td class="num" id="LN3724">3724</td><td class="line"> <span class='comment'>// error -- clean up the created sub vnodes</span></td></tr>
3811<tr><td class="num" id="LN3725">3725</td><td class="line"> <span class='keyword'>while</span> (subVolume-&gt;super_volume != volume) {</td></tr>
3812<tr><td class="num" id="LN3726">3726</td><td class="line"> subVolume = subVolume-&gt;super_volume;</td></tr>
3813<tr><td class="num" id="LN3727">3727</td><td class="line"> subVolume-&gt;ops-&gt;delete_sub_vnode(subVolume, vnode);</td></tr>
3814<tr><td class="num" id="LN3728">3728</td><td class="line"> }</td></tr>
3815<tr><td class="num" id="LN3729">3729</td><td class="line"> }</td></tr>
3816<tr><td class="num" id="LN3730">3730</td><td class="line"> </td></tr>
3817<tr><td class="num" id="LN3731">3731</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
3818<tr><td class="num" id="LN3732">3732</td><td class="line"> ReadLocker vnodesReadLocker(sVnodeLock);</td></tr>
3819<tr><td class="num" id="LN3733">3733</td><td class="line"> AutoLocker&lt;Vnode&gt; nodeLocker(vnode);</td></tr>
3820<tr><td class="num" id="LN3734">3734</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>false</span>);</td></tr>
3821<tr><td class="num" id="LN3735">3735</td><td class="line"> vnode-&gt;SetUnpublished(<span class='keyword'>false</span>);</td></tr>
3822<tr><td class="num" id="LN3736">3736</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
3823<tr><td class="num" id="LN3737">3737</td><td class="line"> locker.Lock();</td></tr>
3824<tr><td class="num" id="LN3738">3738</td><td class="line"> hash_remove(sVnodeTable, vnode);</td></tr>
3825<tr><td class="num" id="LN3739">3739</td><td class="line"> remove_vnode_from_mount_list(vnode, vnode-&gt;mount);</td></tr>
3826<tr><td class="num" id="LN3740">3740</td><td class="line"> free(vnode);</td></tr>
3827<tr><td class="num" id="LN3741">3741</td><td class="line"> }</td></tr>
3828<tr><td class="num" id="LN3742">3742</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
3829<tr><td class="num" id="LN3743">3743</td><td class="line"> <span class='comment'>// we still hold the write lock -- mark the node unbusy and published</span></td></tr>
3830<tr><td class="num" id="LN3744">3744</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>false</span>);</td></tr>
3831<tr><td class="num" id="LN3745">3745</td><td class="line"> vnode-&gt;SetUnpublished(<span class='keyword'>false</span>);</td></tr>
3832<tr><td class="num" id="LN3746">3746</td><td class="line"> }</td></tr>
3833<tr><td class="num" id="LN3747">3747</td><td class="line"> </td></tr>
3834<tr><td class="num" id="LN3748">3748</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"returns: %s\n"</span>, strerror(status)))<span class='expansion'>;</span></span>;</td></tr>
3835<tr><td class="num" id="LN3749">3749</td><td class="line"> </td></tr>
3836<tr><td class="num" id="LN3750">3750</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3837<tr><td class="num" id="LN3751">3751</td><td class="line">}</td></tr>
3838<tr><td class="num" id="LN3752">3752</td><td class="line"> </td></tr>
3839<tr><td class="num" id="LN3753">3753</td><td class="line"> </td></tr>
3840<tr><td class="num" id="LN3754">3754</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3841<tr><td class="num" id="LN3755">3755</td><td class="line">get_vnode(fs_volume* volume, ino_t vnodeID, <span class='keyword'>void</span>** _privateNode)</td></tr>
3842<tr><td class="num" id="LN3756">3756</td><td class="line">{</td></tr>
3843<tr><td class="num" id="LN3757">3757</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3844<tr><td class="num" id="LN3758">3758</td><td class="line"> </td></tr>
3845<tr><td class="num" id="LN3759">3759</td><td class="line"> <span class='keyword'>if</span> (volume == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3846<tr><td class="num" id="LN3760">3760</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3847<tr><td class="num" id="LN3761">3761</td><td class="line"> </td></tr>
3848<tr><td class="num" id="LN3762">3762</td><td class="line"> status_t status = get_vnode(volume-&gt;id, vnodeID, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>true</span>);</td></tr>
3849<tr><td class="num" id="LN3763">3763</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
3850<tr><td class="num" id="LN3764">3764</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3851<tr><td class="num" id="LN3765">3765</td><td class="line"> </td></tr>
3852<tr><td class="num" id="LN3766">3766</td><td class="line"> <span class='comment'>// If this is a layered FS, we need to get the node cookie for the requested</span></td></tr>
3853<tr><td class="num" id="LN3767">3767</td><td class="line"> <span class='comment'>// layer.</span></td></tr>
3854<tr><td class="num" id="LN3768">3768</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, get_super_vnode)<span class='expansion'>(vnode-&gt;ops-&gt;get_super_vnode != __null)</span></span>) {</td></tr>
3855<tr><td class="num" id="LN3769">3769</td><td class="line"> fs_vnode resolvedNode;</td></tr>
3856<tr><td class="num" id="LN3770">3770</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, get_super_vnode, volume,<span class='expansion'>( (vnode-&gt;ops-&gt;get_super_vnode != __null) ? vnode-&gt;ops<br>-&gt;get_super_vnode(vnode-&gt;mount-&gt;volume, vnode, volume<br>, &amp;resolvedNode) : (panic("FS_CALL op " "get_super_vnode"<br> " is NULL"), 0))</span></span></td></tr>
3857<tr><td class="num" id="LN3771">3771</td><td class="line"> <span class='macro'>&amp;resolvedNode)<span class='expansion'>( (vnode-&gt;ops-&gt;get_super_vnode != __null) ? vnode-&gt;ops<br>-&gt;get_super_vnode(vnode-&gt;mount-&gt;volume, vnode, volume<br>, &amp;resolvedNode) : (panic("FS_CALL op " "get_super_vnode"<br> " is NULL"), 0))</span></span>;</td></tr>
3858<tr><td class="num" id="LN3772">3772</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
3859<tr><td class="num" id="LN3773">3773</td><td class="line"> panic(<span class='string_literal'>"get_vnode(): Failed to get super node for vnode %p, "</span></td></tr>
3860<tr><td class="num" id="LN3774">3774</td><td class="line"> <span class='string_literal'>"volume: %p"</span>, vnode, volume);</td></tr>
3861<tr><td class="num" id="LN3775">3775</td><td class="line"> put_vnode(vnode);</td></tr>
3862<tr><td class="num" id="LN3776">3776</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
3863<tr><td class="num" id="LN3777">3777</td><td class="line"> }</td></tr>
3864<tr><td class="num" id="LN3778">3778</td><td class="line"> </td></tr>
3865<tr><td class="num" id="LN3779">3779</td><td class="line"> <span class='keyword'>if</span> (_privateNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3866<tr><td class="num" id="LN3780">3780</td><td class="line"> *_privateNode = resolvedNode.private_node;</td></tr>
3867<tr><td class="num" id="LN3781">3781</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (_privateNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3868<tr><td class="num" id="LN3782">3782</td><td class="line"> *_privateNode = vnode-&gt;private_node;</td></tr>
3869<tr><td class="num" id="LN3783">3783</td><td class="line"> </td></tr>
3870<tr><td class="num" id="LN3784">3784</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3871<tr><td class="num" id="LN3785">3785</td><td class="line">}</td></tr>
3872<tr><td class="num" id="LN3786">3786</td><td class="line"> </td></tr>
3873<tr><td class="num" id="LN3787">3787</td><td class="line"> </td></tr>
3874<tr><td class="num" id="LN3788">3788</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3875<tr><td class="num" id="LN3789">3789</td><td class="line">acquire_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
3876<tr><td class="num" id="LN3790">3790</td><td class="line">{</td></tr>
3877<tr><td class="num" id="LN3791">3791</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3878<tr><td class="num" id="LN3792">3792</td><td class="line"> </td></tr>
3879<tr><td class="num" id="LN3793">3793</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
3880<tr><td class="num" id="LN3794">3794</td><td class="line"> vnode = lookup_vnode(volume-&gt;id, vnodeID);</td></tr>
3881<tr><td class="num" id="LN3795">3795</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
3882<tr><td class="num" id="LN3796">3796</td><td class="line"> </td></tr>
3883<tr><td class="num" id="LN3797">3797</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3884<tr><td class="num" id="LN3798">3798</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3885<tr><td class="num" id="LN3799">3799</td><td class="line"> </td></tr>
3886<tr><td class="num" id="LN3800">3800</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
3887<tr><td class="num" id="LN3801">3801</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3888<tr><td class="num" id="LN3802">3802</td><td class="line">}</td></tr>
3889<tr><td class="num" id="LN3803">3803</td><td class="line"> </td></tr>
3890<tr><td class="num" id="LN3804">3804</td><td class="line"> </td></tr>
3891<tr><td class="num" id="LN3805">3805</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3892<tr><td class="num" id="LN3806">3806</td><td class="line">put_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
3893<tr><td class="num" id="LN3807">3807</td><td class="line">{</td></tr>
3894<tr><td class="num" id="LN3808">3808</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3895<tr><td class="num" id="LN3809">3809</td><td class="line"> </td></tr>
3896<tr><td class="num" id="LN3810">3810</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
3897<tr><td class="num" id="LN3811">3811</td><td class="line"> vnode = lookup_vnode(volume-&gt;id, vnodeID);</td></tr>
3898<tr><td class="num" id="LN3812">3812</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
3899<tr><td class="num" id="LN3813">3813</td><td class="line"> </td></tr>
3900<tr><td class="num" id="LN3814">3814</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3901<tr><td class="num" id="LN3815">3815</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3902<tr><td class="num" id="LN3816">3816</td><td class="line"> </td></tr>
3903<tr><td class="num" id="LN3817">3817</td><td class="line"> dec_vnode_ref_count(vnode, <span class='keyword'>false</span>, <span class='keyword'>true</span>);</td></tr>
3904<tr><td class="num" id="LN3818">3818</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3905<tr><td class="num" id="LN3819">3819</td><td class="line">}</td></tr>
3906<tr><td class="num" id="LN3820">3820</td><td class="line"> </td></tr>
3907<tr><td class="num" id="LN3821">3821</td><td class="line"> </td></tr>
3908<tr><td class="num" id="LN3822">3822</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3909<tr><td class="num" id="LN3823">3823</td><td class="line">remove_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
3910<tr><td class="num" id="LN3824">3824</td><td class="line">{</td></tr>
3911<tr><td class="num" id="LN3825">3825</td><td class="line"> ReadLocker locker(sVnodeLock);</td></tr>
3912<tr><td class="num" id="LN3826">3826</td><td class="line"> </td></tr>
3913<tr><td class="num" id="LN3827">3827</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(volume-&gt;id, vnodeID);</td></tr>
3914<tr><td class="num" id="LN3828">3828</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3915<tr><td class="num" id="LN3829">3829</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
3916<tr><td class="num" id="LN3830">3830</td><td class="line"> </td></tr>
3917<tr><td class="num" id="LN3831">3831</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span> || vnode-&gt;covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
3918<tr><td class="num" id="LN3832">3832</td><td class="line"> <span class='comment'>// this vnode is in use</span></td></tr>
3919<tr><td class="num" id="LN3833">3833</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
3920<tr><td class="num" id="LN3834">3834</td><td class="line"> }</td></tr>
3921<tr><td class="num" id="LN3835">3835</td><td class="line"> </td></tr>
3922<tr><td class="num" id="LN3836">3836</td><td class="line"> vnode-&gt;Lock();</td></tr>
3923<tr><td class="num" id="LN3837">3837</td><td class="line"> </td></tr>
3924<tr><td class="num" id="LN3838">3838</td><td class="line"> vnode-&gt;SetRemoved(<span class='keyword'>true</span>);</td></tr>
3925<tr><td class="num" id="LN3839">3839</td><td class="line"> <span class='keyword'>bool</span> removeUnpublished = <span class='keyword'>false</span>;</td></tr>
3926<tr><td class="num" id="LN3840">3840</td><td class="line"> </td></tr>
3927<tr><td class="num" id="LN3841">3841</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;IsUnpublished()) {</td></tr>
3928<tr><td class="num" id="LN3842">3842</td><td class="line"> <span class='comment'>// prepare the vnode for deletion</span></td></tr>
3929<tr><td class="num" id="LN3843">3843</td><td class="line"> removeUnpublished = <span class='keyword'>true</span>;</td></tr>
3930<tr><td class="num" id="LN3844">3844</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>true</span>);</td></tr>
3931<tr><td class="num" id="LN3845">3845</td><td class="line"> }</td></tr>
3932<tr><td class="num" id="LN3846">3846</td><td class="line"> </td></tr>
3933<tr><td class="num" id="LN3847">3847</td><td class="line"> vnode-&gt;Unlock();</td></tr>
3934<tr><td class="num" id="LN3848">3848</td><td class="line"> locker.Unlock();</td></tr>
3935<tr><td class="num" id="LN3849">3849</td><td class="line"> </td></tr>
3936<tr><td class="num" id="LN3850">3850</td><td class="line"> <span class='keyword'>if</span> (removeUnpublished) {</td></tr>
3937<tr><td class="num" id="LN3851">3851</td><td class="line"> <span class='comment'>// If the vnode hasn't been published yet, we delete it here</span></td></tr>
3938<tr><td class="num" id="LN3852">3852</td><td class="line"> <span class='macro'>atomic_add(&amp;vnode-&gt;ref_count, -1)<span class='expansion'>__sync_fetch_and_add(&amp;vnode-&gt;ref_count, -1)</span></span>;</td></tr>
3939<tr><td class="num" id="LN3853">3853</td><td class="line"> free_vnode(vnode, <span class='keyword'>true</span>);</td></tr>
3940<tr><td class="num" id="LN3854">3854</td><td class="line"> }</td></tr>
3941<tr><td class="num" id="LN3855">3855</td><td class="line"> </td></tr>
3942<tr><td class="num" id="LN3856">3856</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3943<tr><td class="num" id="LN3857">3857</td><td class="line">}</td></tr>
3944<tr><td class="num" id="LN3858">3858</td><td class="line"> </td></tr>
3945<tr><td class="num" id="LN3859">3859</td><td class="line"> </td></tr>
3946<tr><td class="num" id="LN3860">3860</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3947<tr><td class="num" id="LN3861">3861</td><td class="line">unremove_vnode(fs_volume* volume, ino_t vnodeID)</td></tr>
3948<tr><td class="num" id="LN3862">3862</td><td class="line">{</td></tr>
3949<tr><td class="num" id="LN3863">3863</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3950<tr><td class="num" id="LN3864">3864</td><td class="line"> </td></tr>
3951<tr><td class="num" id="LN3865">3865</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
3952<tr><td class="num" id="LN3866">3866</td><td class="line"> </td></tr>
3953<tr><td class="num" id="LN3867">3867</td><td class="line"> vnode = lookup_vnode(volume-&gt;id, vnodeID);</td></tr>
3954<tr><td class="num" id="LN3868">3868</td><td class="line"> <span class='keyword'>if</span> (vnode) {</td></tr>
3955<tr><td class="num" id="LN3869">3869</td><td class="line"> AutoLocker&lt;Vnode&gt; nodeLocker(vnode);</td></tr>
3956<tr><td class="num" id="LN3870">3870</td><td class="line"> vnode-&gt;SetRemoved(<span class='keyword'>false</span>);</td></tr>
3957<tr><td class="num" id="LN3871">3871</td><td class="line"> }</td></tr>
3958<tr><td class="num" id="LN3872">3872</td><td class="line"> </td></tr>
3959<tr><td class="num" id="LN3873">3873</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
3960<tr><td class="num" id="LN3874">3874</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3961<tr><td class="num" id="LN3875">3875</td><td class="line">}</td></tr>
3962<tr><td class="num" id="LN3876">3876</td><td class="line"> </td></tr>
3963<tr><td class="num" id="LN3877">3877</td><td class="line"> </td></tr>
3964<tr><td class="num" id="LN3878">3878</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3965<tr><td class="num" id="LN3879">3879</td><td class="line">get_vnode_removed(fs_volume* volume, ino_t vnodeID, <span class='keyword'>bool</span>* _removed)</td></tr>
3966<tr><td class="num" id="LN3880">3880</td><td class="line">{</td></tr>
3967<tr><td class="num" id="LN3881">3881</td><td class="line"> ReadLocker _(sVnodeLock);</td></tr>
3968<tr><td class="num" id="LN3882">3882</td><td class="line"> </td></tr>
3969<tr><td class="num" id="LN3883">3883</td><td class="line"> <span class='keyword'>if</span> (<span class='keyword'>struct</span> vnode* vnode = lookup_vnode(volume-&gt;id, vnodeID)) {</td></tr>
3970<tr><td class="num" id="LN3884">3884</td><td class="line"> <span class='keyword'>if</span> (_removed != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3971<tr><td class="num" id="LN3885">3885</td><td class="line"> *_removed = vnode-&gt;IsRemoved();</td></tr>
3972<tr><td class="num" id="LN3886">3886</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
3973<tr><td class="num" id="LN3887">3887</td><td class="line"> }</td></tr>
3974<tr><td class="num" id="LN3888">3888</td><td class="line"> </td></tr>
3975<tr><td class="num" id="LN3889">3889</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
3976<tr><td class="num" id="LN3890">3890</td><td class="line">}</td></tr>
3977<tr><td class="num" id="LN3891">3891</td><td class="line"> </td></tr>
3978<tr><td class="num" id="LN3892">3892</td><td class="line"> </td></tr>
3979<tr><td class="num" id="LN3893">3893</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> fs_volume*</td></tr>
3980<tr><td class="num" id="LN3894">3894</td><td class="line">volume_for_vnode(fs_vnode* _vnode)</td></tr>
3981<tr><td class="num" id="LN3895">3895</td><td class="line">{</td></tr>
3982<tr><td class="num" id="LN3896">3896</td><td class="line"> <span class='keyword'>if</span> (_vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
3983<tr><td class="num" id="LN3897">3897</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
3984<tr><td class="num" id="LN3898">3898</td><td class="line"> </td></tr>
3985<tr><td class="num" id="LN3899">3899</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='keyword'>static_cast</span>&lt;<span class='keyword'>struct</span> vnode*&gt;(_vnode);</td></tr>
3986<tr><td class="num" id="LN3900">3900</td><td class="line"> <span class='keyword'>return</span> vnode-&gt;mount-&gt;volume;</td></tr>
3987<tr><td class="num" id="LN3901">3901</td><td class="line">}</td></tr>
3988<tr><td class="num" id="LN3902">3902</td><td class="line"> </td></tr>
3989<tr><td class="num" id="LN3903">3903</td><td class="line"> </td></tr>
3990<tr><td class="num" id="LN3904">3904</td><td class="line"><span class='directive'>#if 0</span></td></tr>
3991<tr><td class="num" id="LN3905">3905</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
3992<tr><td class="num" id="LN3906">3906</td><td class="line">read_pages(<span class='keyword'>int</span> fd, off_t pos, <span class='keyword'>const</span> iovec* vecs, size_t count,</td></tr>
3993<tr><td class="num" id="LN3907">3907</td><td class="line"> size_t* _numBytes)</td></tr>
3994<tr><td class="num" id="LN3908">3908</td><td class="line">{</td></tr>
3995<tr><td class="num" id="LN3909">3909</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
3996<tr><td class="num" id="LN3910">3910</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
3997<tr><td class="num" id="LN3911">3911</td><td class="line"> </td></tr>
3998<tr><td class="num" id="LN3912">3912</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, <span class='keyword'>true</span>);</td></tr>
3999<tr><td class="num" id="LN3913">3913</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4000<tr><td class="num" id="LN3914">3914</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
4001<tr><td class="num" id="LN3915">3915</td><td class="line"> </td></tr>
4002<tr><td class="num" id="LN3916">3916</td><td class="line"> status_t status = vfs_read_pages(vnode, descriptor-&gt;cookie, pos, vecs,</td></tr>
4003<tr><td class="num" id="LN3917">3917</td><td class="line"> count, 0, _numBytes);</td></tr>
4004<tr><td class="num" id="LN3918">3918</td><td class="line"> </td></tr>
4005<tr><td class="num" id="LN3919">3919</td><td class="line"> put_fd(descriptor);</td></tr>
4006<tr><td class="num" id="LN3920">3920</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4007<tr><td class="num" id="LN3921">3921</td><td class="line">}</td></tr>
4008<tr><td class="num" id="LN3922">3922</td><td class="line"> </td></tr>
4009<tr><td class="num" id="LN3923">3923</td><td class="line"> </td></tr>
4010<tr><td class="num" id="LN3924">3924</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4011<tr><td class="num" id="LN3925">3925</td><td class="line">write_pages(<span class='keyword'>int</span> fd, off_t pos, <span class='keyword'>const</span> iovec* vecs, size_t count,</td></tr>
4012<tr><td class="num" id="LN3926">3926</td><td class="line"> size_t* _numBytes)</td></tr>
4013<tr><td class="num" id="LN3927">3927</td><td class="line">{</td></tr>
4014<tr><td class="num" id="LN3928">3928</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
4015<tr><td class="num" id="LN3929">3929</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4016<tr><td class="num" id="LN3930">3930</td><td class="line"> </td></tr>
4017<tr><td class="num" id="LN3931">3931</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, <span class='keyword'>true</span>);</td></tr>
4018<tr><td class="num" id="LN3932">3932</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4019<tr><td class="num" id="LN3933">3933</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
4020<tr><td class="num" id="LN3934">3934</td><td class="line"> </td></tr>
4021<tr><td class="num" id="LN3935">3935</td><td class="line"> status_t status = vfs_write_pages(vnode, descriptor-&gt;cookie, pos, vecs,</td></tr>
4022<tr><td class="num" id="LN3936">3936</td><td class="line"> count, 0, _numBytes);</td></tr>
4023<tr><td class="num" id="LN3937">3937</td><td class="line"> </td></tr>
4024<tr><td class="num" id="LN3938">3938</td><td class="line"> put_fd(descriptor);</td></tr>
4025<tr><td class="num" id="LN3939">3939</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4026<tr><td class="num" id="LN3940">3940</td><td class="line">}</td></tr>
4027<tr><td class="num" id="LN3941">3941</td><td class="line"><span class='directive'>#endif</span></td></tr>
4028<tr><td class="num" id="LN3942">3942</td><td class="line"> </td></tr>
4029<tr><td class="num" id="LN3943">3943</td><td class="line"> </td></tr>
4030<tr><td class="num" id="LN3944">3944</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4031<tr><td class="num" id="LN3945">3945</td><td class="line">read_file_io_vec_pages(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> file_io_vec* fileVecs, size_t fileVecCount,</td></tr>
4032<tr><td class="num" id="LN3946">3946</td><td class="line"> <span class='keyword'>const</span> iovec* vecs, size_t vecCount, uint32* _vecIndex, size_t* _vecOffset,</td></tr>
4033<tr><td class="num" id="LN3947">3947</td><td class="line"> size_t* _bytes)</td></tr>
4034<tr><td class="num" id="LN3948">3948</td><td class="line">{</td></tr>
4035<tr><td class="num" id="LN3949">3949</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
4036<tr><td class="num" id="LN3950">3950</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4037<tr><td class="num" id="LN3951">3951</td><td class="line"> </td></tr>
4038<tr><td class="num" id="LN3952">3952</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, <span class='keyword'>true</span>);</td></tr>
4039<tr><td class="num" id="LN3953">3953</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4040<tr><td class="num" id="LN3954">3954</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
4041<tr><td class="num" id="LN3955">3955</td><td class="line"> </td></tr>
4042<tr><td class="num" id="LN3956">3956</td><td class="line"> status_t status = common_file_io_vec_pages(vnode, descriptor-&gt;cookie,</td></tr>
4043<tr><td class="num" id="LN3957">3957</td><td class="line"> fileVecs, fileVecCount, vecs, vecCount, _vecIndex, _vecOffset, _bytes,</td></tr>
4044<tr><td class="num" id="LN3958">3958</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
4045<tr><td class="num" id="LN3959">3959</td><td class="line"> </td></tr>
4046<tr><td class="num" id="LN3960">3960</td><td class="line"> put_fd(descriptor);</td></tr>
4047<tr><td class="num" id="LN3961">3961</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4048<tr><td class="num" id="LN3962">3962</td><td class="line">}</td></tr>
4049<tr><td class="num" id="LN3963">3963</td><td class="line"> </td></tr>
4050<tr><td class="num" id="LN3964">3964</td><td class="line"> </td></tr>
4051<tr><td class="num" id="LN3965">3965</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4052<tr><td class="num" id="LN3966">3966</td><td class="line">write_file_io_vec_pages(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> file_io_vec* fileVecs, size_t fileVecCount,</td></tr>
4053<tr><td class="num" id="LN3967">3967</td><td class="line"> <span class='keyword'>const</span> iovec* vecs, size_t vecCount, uint32* _vecIndex, size_t* _vecOffset,</td></tr>
4054<tr><td class="num" id="LN3968">3968</td><td class="line"> size_t* _bytes)</td></tr>
4055<tr><td class="num" id="LN3969">3969</td><td class="line">{</td></tr>
4056<tr><td class="num" id="LN3970">3970</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
4057<tr><td class="num" id="LN3971">3971</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4058<tr><td class="num" id="LN3972">3972</td><td class="line"> </td></tr>
4059<tr><td class="num" id="LN3973">3973</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, <span class='keyword'>true</span>);</td></tr>
4060<tr><td class="num" id="LN3974">3974</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4061<tr><td class="num" id="LN3975">3975</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
4062<tr><td class="num" id="LN3976">3976</td><td class="line"> </td></tr>
4063<tr><td class="num" id="LN3977">3977</td><td class="line"> status_t status = common_file_io_vec_pages(vnode, descriptor-&gt;cookie,</td></tr>
4064<tr><td class="num" id="LN3978">3978</td><td class="line"> fileVecs, fileVecCount, vecs, vecCount, _vecIndex, _vecOffset, _bytes,</td></tr>
4065<tr><td class="num" id="LN3979">3979</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
4066<tr><td class="num" id="LN3980">3980</td><td class="line"> </td></tr>
4067<tr><td class="num" id="LN3981">3981</td><td class="line"> put_fd(descriptor);</td></tr>
4068<tr><td class="num" id="LN3982">3982</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4069<tr><td class="num" id="LN3983">3983</td><td class="line">}</td></tr>
4070<tr><td class="num" id="LN3984">3984</td><td class="line"> </td></tr>
4071<tr><td class="num" id="LN3985">3985</td><td class="line"> </td></tr>
4072<tr><td class="num" id="LN3986">3986</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4073<tr><td class="num" id="LN3987">3987</td><td class="line">entry_cache_add(dev_t mountID, ino_t dirID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, ino_t nodeID)</td></tr>
4074<tr><td class="num" id="LN3988">3988</td><td class="line">{</td></tr>
4075<tr><td class="num" id="LN3989">3989</td><td class="line"> <span class='comment'>// lookup mount -- the caller is required to make sure that the mount</span></td></tr>
4076<tr><td class="num" id="LN3990">3990</td><td class="line"> <span class='comment'>// won't go away</span></td></tr>
4077<tr><td class="num" id="LN3991">3991</td><td class="line"> MutexLocker locker(sMountMutex);</td></tr>
4078<tr><td class="num" id="LN3992">3992</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = find_mount(mountID);</td></tr>
4079<tr><td class="num" id="LN3993">3993</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4080<tr><td class="num" id="LN3994">3994</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
4081<tr><td class="num" id="LN3995">3995</td><td class="line"> locker.Unlock();</td></tr>
4082<tr><td class="num" id="LN3996">3996</td><td class="line"> </td></tr>
4083<tr><td class="num" id="LN3997">3997</td><td class="line"> <span class='keyword'>return</span> mount-&gt;entry_cache.Add(dirID, name, nodeID);</td></tr>
4084<tr><td class="num" id="LN3998">3998</td><td class="line">}</td></tr>
4085<tr><td class="num" id="LN3999">3999</td><td class="line"> </td></tr>
4086<tr><td class="num" id="LN4000">4000</td><td class="line"> </td></tr>
4087<tr><td class="num" id="LN4001">4001</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4088<tr><td class="num" id="LN4002">4002</td><td class="line">entry_cache_remove(dev_t mountID, ino_t dirID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
4089<tr><td class="num" id="LN4003">4003</td><td class="line">{</td></tr>
4090<tr><td class="num" id="LN4004">4004</td><td class="line"> <span class='comment'>// lookup mount -- the caller is required to make sure that the mount</span></td></tr>
4091<tr><td class="num" id="LN4005">4005</td><td class="line"> <span class='comment'>// won't go away</span></td></tr>
4092<tr><td class="num" id="LN4006">4006</td><td class="line"> MutexLocker locker(sMountMutex);</td></tr>
4093<tr><td class="num" id="LN4007">4007</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = find_mount(mountID);</td></tr>
4094<tr><td class="num" id="LN4008">4008</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4095<tr><td class="num" id="LN4009">4009</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
4096<tr><td class="num" id="LN4010">4010</td><td class="line"> locker.Unlock();</td></tr>
4097<tr><td class="num" id="LN4011">4011</td><td class="line"> </td></tr>
4098<tr><td class="num" id="LN4012">4012</td><td class="line"> <span class='keyword'>return</span> mount-&gt;entry_cache.Remove(dirID, name);</td></tr>
4099<tr><td class="num" id="LN4013">4013</td><td class="line">}</td></tr>
4100<tr><td class="num" id="LN4014">4014</td><td class="line"> </td></tr>
4101<tr><td class="num" id="LN4015">4015</td><td class="line"> </td></tr>
4102<tr><td class="num" id="LN4016">4016</td><td class="line"><span class='comment'>// #pragma mark - private VFS API</span></td></tr>
4103<tr><td class="num" id="LN4017">4017</td><td class="line"><span class='comment'>// Functions the VFS exports for other parts of the kernel</span></td></tr>
4104<tr><td class="num" id="LN4018">4018</td><td class="line"> </td></tr>
4105<tr><td class="num" id="LN4019">4019</td><td class="line"> </td></tr>
4106<tr><td class="num" id="LN4020">4020</td><td class="line"><span class='comment'>/*! Acquires another reference to the vnode that has to be released</span></td></tr>
4107<tr><td class="num" id="LN4021">4021</td><td class="line"> <span class='comment'>by calling vfs_put_vnode().</span></td></tr>
4108<tr><td class="num" id="LN4022">4022</td><td class="line"><span class='comment'>*/</span></td></tr>
4109<tr><td class="num" id="LN4023">4023</td><td class="line"><span class='keyword'>void</span></td></tr>
4110<tr><td class="num" id="LN4024">4024</td><td class="line">vfs_acquire_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
4111<tr><td class="num" id="LN4025">4025</td><td class="line">{</td></tr>
4112<tr><td class="num" id="LN4026">4026</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
4113<tr><td class="num" id="LN4027">4027</td><td class="line">}</td></tr>
4114<tr><td class="num" id="LN4028">4028</td><td class="line"> </td></tr>
4115<tr><td class="num" id="LN4029">4029</td><td class="line"> </td></tr>
4116<tr><td class="num" id="LN4030">4030</td><td class="line"><span class='comment'>/*! This is currently called from file_cache_create() only.</span></td></tr>
4117<tr><td class="num" id="LN4031">4031</td><td class="line"> <span class='comment'>It's probably a temporary solution as long as devfs requires that</span></td></tr>
4118<tr><td class="num" id="LN4032">4032</td><td class="line"> <span class='comment'>fs_read_pages()/fs_write_pages() are called with the standard</span></td></tr>
4119<tr><td class="num" id="LN4033">4033</td><td class="line"> <span class='comment'>open cookie and not with a device cookie.</span></td></tr>
4120<tr><td class="num" id="LN4034">4034</td><td class="line"> <span class='comment'>If that's done differently, remove this call; it has no other</span></td></tr>
4121<tr><td class="num" id="LN4035">4035</td><td class="line"> <span class='comment'>purpose.</span></td></tr>
4122<tr><td class="num" id="LN4036">4036</td><td class="line"><span class='comment'>*/</span></td></tr>
4123<tr><td class="num" id="LN4037">4037</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4124<tr><td class="num" id="LN4038">4038</td><td class="line">vfs_get_cookie_from_fd(<span class='keyword'>int</span> fd, <span class='keyword'>void</span>** _cookie)</td></tr>
4125<tr><td class="num" id="LN4039">4039</td><td class="line">{</td></tr>
4126<tr><td class="num" id="LN4040">4040</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
4127<tr><td class="num" id="LN4041">4041</td><td class="line"> </td></tr>
4128<tr><td class="num" id="LN4042">4042</td><td class="line"> descriptor = get_fd(get_current_io_context(<span class='keyword'>true</span>), fd);</td></tr>
4129<tr><td class="num" id="LN4043">4043</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4130<tr><td class="num" id="LN4044">4044</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
4131<tr><td class="num" id="LN4045">4045</td><td class="line"> </td></tr>
4132<tr><td class="num" id="LN4046">4046</td><td class="line"> *_cookie = descriptor-&gt;cookie;</td></tr>
4133<tr><td class="num" id="LN4047">4047</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4134<tr><td class="num" id="LN4048">4048</td><td class="line">}</td></tr>
4135<tr><td class="num" id="LN4049">4049</td><td class="line"> </td></tr>
4136<tr><td class="num" id="LN4050">4050</td><td class="line"> </td></tr>
4137<tr><td class="num" id="LN4051">4051</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4138<tr><td class="num" id="LN4052">4052</td><td class="line">vfs_get_vnode_from_fd(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** vnode)</td></tr>
4139<tr><td class="num" id="LN4053">4053</td><td class="line">{</td></tr>
4140<tr><td class="num" id="LN4054">4054</td><td class="line"> *vnode = get_vnode_from_fd(fd, kernel);</td></tr>
4141<tr><td class="num" id="LN4055">4055</td><td class="line"> </td></tr>
4142<tr><td class="num" id="LN4056">4056</td><td class="line"> <span class='keyword'>if</span> (*vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4143<tr><td class="num" id="LN4057">4057</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
4144<tr><td class="num" id="LN4058">4058</td><td class="line"> </td></tr>
4145<tr><td class="num" id="LN4059">4059</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_ERROR<span class='expansion'>((int)0)</span></span>;</td></tr>
4146<tr><td class="num" id="LN4060">4060</td><td class="line">}</td></tr>
4147<tr><td class="num" id="LN4061">4061</td><td class="line"> </td></tr>
4148<tr><td class="num" id="LN4062">4062</td><td class="line"> </td></tr>
4149<tr><td class="num" id="LN4063">4063</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4150<tr><td class="num" id="LN4064">4064</td><td class="line">vfs_get_vnode_from_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
4151<tr><td class="num" id="LN4065">4065</td><td class="line">{</td></tr>
4152<tr><td class="num" id="LN4066">4066</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vfs_get_vnode_from_path: entry. path = '%s', kernel %d\n"</span>,<span class='expansion'>;</span></span></td></tr>
4153<tr><td class="num" id="LN4067">4067</td><td class="line"> <span class='macro'>path, kernel))<span class='expansion'>;</span></span>;</td></tr>
4154<tr><td class="num" id="LN4068">4068</td><td class="line"> </td></tr>
4155<tr><td class="num" id="LN4069">4069</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
4156<tr><td class="num" id="LN4070">4070</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4157<tr><td class="num" id="LN4071">4071</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
4158<tr><td class="num" id="LN4072">4072</td><td class="line"> </td></tr>
4159<tr><td class="num" id="LN4073">4073</td><td class="line"> <span class='keyword'>char</span>* buffer = pathBuffer.LockBuffer();</td></tr>
4160<tr><td class="num" id="LN4074">4074</td><td class="line"> strlcpy(buffer, path, pathBuffer.BufferSize());</td></tr>
4161<tr><td class="num" id="LN4075">4075</td><td class="line"> </td></tr>
4162<tr><td class="num" id="LN4076">4076</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4163<tr><td class="num" id="LN4077">4077</td><td class="line"> status_t status = path_to_vnode(buffer, <span class='keyword'>true</span>, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
4164<tr><td class="num" id="LN4078">4078</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4165<tr><td class="num" id="LN4079">4079</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4166<tr><td class="num" id="LN4080">4080</td><td class="line"> </td></tr>
4167<tr><td class="num" id="LN4081">4081</td><td class="line"> *_vnode = vnode;</td></tr>
4168<tr><td class="num" id="LN4082">4082</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4169<tr><td class="num" id="LN4083">4083</td><td class="line">}</td></tr>
4170<tr><td class="num" id="LN4084">4084</td><td class="line"> </td></tr>
4171<tr><td class="num" id="LN4085">4085</td><td class="line"> </td></tr>
4172<tr><td class="num" id="LN4086">4086</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4173<tr><td class="num" id="LN4087">4087</td><td class="line">vfs_get_vnode(dev_t mountID, ino_t vnodeID, <span class='keyword'>bool</span> canWait, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
4174<tr><td class="num" id="LN4088">4088</td><td class="line">{</td></tr>
4175<tr><td class="num" id="LN4089">4089</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4176<tr><td class="num" id="LN4090">4090</td><td class="line"> </td></tr>
4177<tr><td class="num" id="LN4091">4091</td><td class="line"> status_t status = get_vnode(mountID, vnodeID, &amp;vnode, canWait, <span class='keyword'>false</span>);</td></tr>
4178<tr><td class="num" id="LN4092">4092</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4179<tr><td class="num" id="LN4093">4093</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4180<tr><td class="num" id="LN4094">4094</td><td class="line"> </td></tr>
4181<tr><td class="num" id="LN4095">4095</td><td class="line"> *_vnode = vnode;</td></tr>
4182<tr><td class="num" id="LN4096">4096</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4183<tr><td class="num" id="LN4097">4097</td><td class="line">}</td></tr>
4184<tr><td class="num" id="LN4098">4098</td><td class="line"> </td></tr>
4185<tr><td class="num" id="LN4099">4099</td><td class="line"> </td></tr>
4186<tr><td class="num" id="LN4100">4100</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4187<tr><td class="num" id="LN4101">4101</td><td class="line">vfs_entry_ref_to_vnode(dev_t mountID, ino_t directoryID,</td></tr>
4188<tr><td class="num" id="LN4102">4102</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
4189<tr><td class="num" id="LN4103">4103</td><td class="line">{</td></tr>
4190<tr><td class="num" id="LN4104">4104</td><td class="line"> <span class='keyword'>return</span> entry_ref_to_vnode(mountID, directoryID, name, <span class='keyword'>false</span>, <span class='keyword'>true</span>, _vnode);</td></tr>
4191<tr><td class="num" id="LN4105">4105</td><td class="line">}</td></tr>
4192<tr><td class="num" id="LN4106">4106</td><td class="line"> </td></tr>
4193<tr><td class="num" id="LN4107">4107</td><td class="line"> </td></tr>
4194<tr><td class="num" id="LN4108">4108</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>void</span></td></tr>
4195<tr><td class="num" id="LN4109">4109</td><td class="line">vfs_vnode_to_node_ref(<span class='keyword'>struct</span> vnode* vnode, dev_t* _mountID, ino_t* _vnodeID)</td></tr>
4196<tr><td class="num" id="LN4110">4110</td><td class="line">{</td></tr>
4197<tr><td class="num" id="LN4111">4111</td><td class="line"> *_mountID = vnode-&gt;device;</td></tr>
4198<tr><td class="num" id="LN4112">4112</td><td class="line"> *_vnodeID = vnode-&gt;id;</td></tr>
4199<tr><td class="num" id="LN4113">4113</td><td class="line">}</td></tr>
4200<tr><td class="num" id="LN4114">4114</td><td class="line"> </td></tr>
4201<tr><td class="num" id="LN4115">4115</td><td class="line"> </td></tr>
4202<tr><td class="num" id="LN4116">4116</td><td class="line"><span class='comment'>/*!</span></td></tr>
4203<tr><td class="num" id="LN4117">4117</td><td class="line"> <span class='comment'>Helper function abstracting the process of "converting" a given</span></td></tr>
4204<tr><td class="num" id="LN4118">4118</td><td class="line"> <span class='comment'>vnode-pointer to a fs_vnode-pointer.</span></td></tr>
4205<tr><td class="num" id="LN4119">4119</td><td class="line"> <span class='comment'>Currently only used in bindfs.</span></td></tr>
4206<tr><td class="num" id="LN4120">4120</td><td class="line"><span class='comment'>*/</span></td></tr>
4207<tr><td class="num" id="LN4121">4121</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> fs_vnode*</td></tr>
4208<tr><td class="num" id="LN4122">4122</td><td class="line">vfs_fsnode_for_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
4209<tr><td class="num" id="LN4123">4123</td><td class="line">{</td></tr>
4210<tr><td class="num" id="LN4124">4124</td><td class="line"> <span class='keyword'>return</span> vnode;</td></tr>
4211<tr><td class="num" id="LN4125">4125</td><td class="line">}</td></tr>
4212<tr><td class="num" id="LN4126">4126</td><td class="line"> </td></tr>
4213<tr><td class="num" id="LN4127">4127</td><td class="line"> </td></tr>
4214<tr><td class="num" id="LN4128">4128</td><td class="line"><span class='comment'>/*!</span></td></tr>
4215<tr><td class="num" id="LN4129">4129</td><td class="line"> <span class='comment'>Calls fs_open() on the given vnode and returns a new</span></td></tr>
4216<tr><td class="num" id="LN4130">4130</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
4217<tr><td class="num" id="LN4131">4131</td><td class="line"><span class='comment'>*/</span></td></tr>
4218<tr><td class="num" id="LN4132">4132</td><td class="line"><span class='keyword'>int</span></td></tr>
4219<tr><td class="num" id="LN4133">4133</td><td class="line">vfs_open_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
4220<tr><td class="num" id="LN4134">4134</td><td class="line">{</td></tr>
4221<tr><td class="num" id="LN4135">4135</td><td class="line"> <span class='keyword'>return</span> open_vnode(vnode, openMode, kernel);</td></tr>
4222<tr><td class="num" id="LN4136">4136</td><td class="line">}</td></tr>
4223<tr><td class="num" id="LN4137">4137</td><td class="line"> </td></tr>
4224<tr><td class="num" id="LN4138">4138</td><td class="line"> </td></tr>
4225<tr><td class="num" id="LN4139">4139</td><td class="line"><span class='comment'>/*! Looks up a vnode with the given mount and vnode ID.</span></td></tr>
4226<tr><td class="num" id="LN4140">4140</td><td class="line"> <span class='comment'>Must only be used with "in-use" vnodes as it doesn't grab a reference</span></td></tr>
4227<tr><td class="num" id="LN4141">4141</td><td class="line"> <span class='comment'>to the node.</span></td></tr>
4228<tr><td class="num" id="LN4142">4142</td><td class="line"> <span class='comment'>It's currently only be used by file_cache_create().</span></td></tr>
4229<tr><td class="num" id="LN4143">4143</td><td class="line"><span class='comment'>*/</span></td></tr>
4230<tr><td class="num" id="LN4144">4144</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4231<tr><td class="num" id="LN4145">4145</td><td class="line">vfs_lookup_vnode(dev_t mountID, ino_t vnodeID, <span class='keyword'>struct</span> vnode** _vnode)</td></tr>
4232<tr><td class="num" id="LN4146">4146</td><td class="line">{</td></tr>
4233<tr><td class="num" id="LN4147">4147</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
4234<tr><td class="num" id="LN4148">4148</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(mountID, vnodeID);</td></tr>
4235<tr><td class="num" id="LN4149">4149</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
4236<tr><td class="num" id="LN4150">4150</td><td class="line"> </td></tr>
4237<tr><td class="num" id="LN4151">4151</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4238<tr><td class="num" id="LN4152">4152</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
4239<tr><td class="num" id="LN4153">4153</td><td class="line"> </td></tr>
4240<tr><td class="num" id="LN4154">4154</td><td class="line"> *_vnode = vnode;</td></tr>
4241<tr><td class="num" id="LN4155">4155</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4242<tr><td class="num" id="LN4156">4156</td><td class="line">}</td></tr>
4243<tr><td class="num" id="LN4157">4157</td><td class="line"> </td></tr>
4244<tr><td class="num" id="LN4158">4158</td><td class="line"> </td></tr>
4245<tr><td class="num" id="LN4159">4159</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4246<tr><td class="num" id="LN4160">4160</td><td class="line">vfs_get_fs_node_from_path(fs_volume* volume, <span class='keyword'>const</span> <span class='keyword'>char</span>* path,</td></tr>
4247<tr><td class="num" id="LN4161">4161</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>bool</span> kernel, <span class='keyword'>void</span>** _node)</td></tr>
4248<tr><td class="num" id="LN4162">4162</td><td class="line">{</td></tr>
4249<tr><td class="num" id="LN4163">4163</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vfs_get_fs_node_from_path(volume = %p, path = \"%s\", kernel %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
4250<tr><td class="num" id="LN4164">4164</td><td class="line"> <span class='macro'>volume, path, kernel))<span class='expansion'>;</span></span>;</td></tr>
4251<tr><td class="num" id="LN4165">4165</td><td class="line"> </td></tr>
4252<tr><td class="num" id="LN4166">4166</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
4253<tr><td class="num" id="LN4167">4167</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4254<tr><td class="num" id="LN4168">4168</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
4255<tr><td class="num" id="LN4169">4169</td><td class="line"> </td></tr>
4256<tr><td class="num" id="LN4170">4170</td><td class="line"> fs_mount* mount;</td></tr>
4257<tr><td class="num" id="LN4171">4171</td><td class="line"> status_t status = get_mount(volume-&gt;id, &amp;mount);</td></tr>
4258<tr><td class="num" id="LN4172">4172</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4259<tr><td class="num" id="LN4173">4173</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4260<tr><td class="num" id="LN4174">4174</td><td class="line"> </td></tr>
4261<tr><td class="num" id="LN4175">4175</td><td class="line"> <span class='keyword'>char</span>* buffer = pathBuffer.LockBuffer();</td></tr>
4262<tr><td class="num" id="LN4176">4176</td><td class="line"> strlcpy(buffer, path, pathBuffer.BufferSize());</td></tr>
4263<tr><td class="num" id="LN4177">4177</td><td class="line"> </td></tr>
4264<tr><td class="num" id="LN4178">4178</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = mount-&gt;root_vnode;</td></tr>
4265<tr><td class="num" id="LN4179">4179</td><td class="line"> </td></tr>
4266<tr><td class="num" id="LN4180">4180</td><td class="line"> <span class='keyword'>if</span> (buffer[0] == '/')</td></tr>
4267<tr><td class="num" id="LN4181">4181</td><td class="line"> status = path_to_vnode(buffer, traverseLeafLink, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
4268<tr><td class="num" id="LN4182">4182</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
4269<tr><td class="num" id="LN4183">4183</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
4270<tr><td class="num" id="LN4184">4184</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() releases a reference to the starting vnode</span></td></tr>
4271<tr><td class="num" id="LN4185">4185</td><td class="line"> status = vnode_path_to_vnode(vnode, buffer, traverseLeafLink, 0,</td></tr>
4272<tr><td class="num" id="LN4186">4186</td><td class="line"> kernel, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
4273<tr><td class="num" id="LN4187">4187</td><td class="line"> }</td></tr>
4274<tr><td class="num" id="LN4188">4188</td><td class="line"> </td></tr>
4275<tr><td class="num" id="LN4189">4189</td><td class="line"> put_mount(mount);</td></tr>
4276<tr><td class="num" id="LN4190">4190</td><td class="line"> </td></tr>
4277<tr><td class="num" id="LN4191">4191</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4278<tr><td class="num" id="LN4192">4192</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4279<tr><td class="num" id="LN4193">4193</td><td class="line"> </td></tr>
4280<tr><td class="num" id="LN4194">4194</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;device != volume-&gt;id) {</td></tr>
4281<tr><td class="num" id="LN4195">4195</td><td class="line"> <span class='comment'>// wrong mount ID - must not gain access on foreign file system nodes</span></td></tr>
4282<tr><td class="num" id="LN4196">4196</td><td class="line"> put_vnode(vnode);</td></tr>
4283<tr><td class="num" id="LN4197">4197</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
4284<tr><td class="num" id="LN4198">4198</td><td class="line"> }</td></tr>
4285<tr><td class="num" id="LN4199">4199</td><td class="line"> </td></tr>
4286<tr><td class="num" id="LN4200">4200</td><td class="line"> <span class='comment'>// Use get_vnode() to resolve the cookie for the right layer.</span></td></tr>
4287<tr><td class="num" id="LN4201">4201</td><td class="line"> status = get_vnode(volume, vnode-&gt;id, _node);</td></tr>
4288<tr><td class="num" id="LN4202">4202</td><td class="line"> put_vnode(vnode);</td></tr>
4289<tr><td class="num" id="LN4203">4203</td><td class="line"> </td></tr>
4290<tr><td class="num" id="LN4204">4204</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4291<tr><td class="num" id="LN4205">4205</td><td class="line">}</td></tr>
4292<tr><td class="num" id="LN4206">4206</td><td class="line"> </td></tr>
4293<tr><td class="num" id="LN4207">4207</td><td class="line"> </td></tr>
4294<tr><td class="num" id="LN4208">4208</td><td class="line">status_t</td></tr>
4295<tr><td class="num" id="LN4209">4209</td><td class="line">vfs_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
4296<tr><td class="num" id="LN4210">4210</td><td class="line"> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>bool</span> kernel)</td></tr>
4297<tr><td class="num" id="LN4211">4211</td><td class="line">{</td></tr>
4298<tr><td class="num" id="LN4212">4212</td><td class="line"> status_t status;</td></tr>
4299<tr><td class="num" id="LN4213">4213</td><td class="line"> </td></tr>
4300<tr><td class="num" id="LN4214">4214</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
4301<tr><td class="num" id="LN4215">4215</td><td class="line"> <span class='comment'>// path given: get the stat of the node referred to by (fd, path)</span></td></tr>
4302<tr><td class="num" id="LN4216">4216</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
4303<tr><td class="num" id="LN4217">4217</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4304<tr><td class="num" id="LN4218">4218</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
4305<tr><td class="num" id="LN4219">4219</td><td class="line"> </td></tr>
4306<tr><td class="num" id="LN4220">4220</td><td class="line"> status = common_path_read_stat(fd, pathBuffer.LockBuffer(),</td></tr>
4307<tr><td class="num" id="LN4221">4221</td><td class="line"> traverseLeafLink, stat, kernel);</td></tr>
4308<tr><td class="num" id="LN4222">4222</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
4309<tr><td class="num" id="LN4223">4223</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
4310<tr><td class="num" id="LN4224">4224</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
4311<tr><td class="num" id="LN4225">4225</td><td class="line"> = get_fd(get_current_io_context(kernel), fd);</td></tr>
4312<tr><td class="num" id="LN4226">4226</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4313<tr><td class="num" id="LN4227">4227</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
4314<tr><td class="num" id="LN4228">4228</td><td class="line"> </td></tr>
4315<tr><td class="num" id="LN4229">4229</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;ops-&gt;fd_read_stat)</td></tr>
4316<tr><td class="num" id="LN4230">4230</td><td class="line"> status = descriptor-&gt;ops-&gt;fd_read_stat(descriptor, stat);</td></tr>
4317<tr><td class="num" id="LN4231">4231</td><td class="line"> <span class='keyword'>else</span></td></tr>
4318<tr><td class="num" id="LN4232">4232</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
4319<tr><td class="num" id="LN4233">4233</td><td class="line"> </td></tr>
4320<tr><td class="num" id="LN4234">4234</td><td class="line"> put_fd(descriptor);</td></tr>
4321<tr><td class="num" id="LN4235">4235</td><td class="line"> }</td></tr>
4322<tr><td class="num" id="LN4236">4236</td><td class="line"> </td></tr>
4323<tr><td class="num" id="LN4237">4237</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4324<tr><td class="num" id="LN4238">4238</td><td class="line">}</td></tr>
4325<tr><td class="num" id="LN4239">4239</td><td class="line"> </td></tr>
4326<tr><td class="num" id="LN4240">4240</td><td class="line"> </td></tr>
4327<tr><td class="num" id="LN4241">4241</td><td class="line"><span class='comment'>/*! Finds the full path to the file that contains the module \a moduleName,</span></td></tr>
4328<tr><td class="num" id="LN4242">4242</td><td class="line"> <span class='comment'>puts it into \a pathBuffer, and returns B_OK for success.</span></td></tr>
4329<tr><td class="num" id="LN4243">4243</td><td class="line"> <span class='comment'>If \a pathBuffer was too small, it returns \c B_BUFFER_OVERFLOW,</span></td></tr>
4330<tr><td class="num" id="LN4244">4244</td><td class="line"> <span class='comment'>\c B_ENTRY_NOT_FOUNT if no file could be found.</span></td></tr>
4331<tr><td class="num" id="LN4245">4245</td><td class="line"> <span class='comment'>\a pathBuffer is clobbered in any case and must not be relied on if this</span></td></tr>
4332<tr><td class="num" id="LN4246">4246</td><td class="line"> <span class='comment'>functions returns unsuccessfully.</span></td></tr>
4333<tr><td class="num" id="LN4247">4247</td><td class="line"> <span class='comment'>\a basePath and \a pathBuffer must not point to the same space.</span></td></tr>
4334<tr><td class="num" id="LN4248">4248</td><td class="line"><span class='comment'>*/</span></td></tr>
4335<tr><td class="num" id="LN4249">4249</td><td class="line">status_t</td></tr>
4336<tr><td class="num" id="LN4250">4250</td><td class="line">vfs_get_module_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* basePath, <span class='keyword'>const</span> <span class='keyword'>char</span>* moduleName,</td></tr>
4337<tr><td class="num" id="LN4251">4251</td><td class="line"> <span class='keyword'>char</span>* pathBuffer, size_t bufferSize)</td></tr>
4338<tr><td class="num" id="LN4252">4252</td><td class="line">{</td></tr>
4339<tr><td class="num" id="LN4253">4253</td><td class="line"> <span class='keyword'>struct</span> vnode* dir;</td></tr>
4340<tr><td class="num" id="LN4254">4254</td><td class="line"> <span class='keyword'>struct</span> vnode* file;</td></tr>
4341<tr><td class="num" id="LN4255">4255</td><td class="line"> status_t status;</td></tr>
4342<tr><td class="num" id="LN4256">4256</td><td class="line"> size_t length;</td></tr>
4343<tr><td class="num" id="LN4257">4257</td><td class="line"> <span class='keyword'>char</span>* path;</td></tr>
4344<tr><td class="num" id="LN4258">4258</td><td class="line"> </td></tr>
4345<tr><td class="num" id="LN4259">4259</td><td class="line"> <span class='keyword'>if</span> (bufferSize == 0</td></tr>
4346<tr><td class="num" id="LN4260">4260</td><td class="line"> || strlcpy(pathBuffer, basePath, bufferSize) &gt;= bufferSize)</td></tr>
4347<tr><td class="num" id="LN4261">4261</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
4348<tr><td class="num" id="LN4262">4262</td><td class="line"> </td></tr>
4349<tr><td class="num" id="LN4263">4263</td><td class="line"> status = path_to_vnode(pathBuffer, <span class='keyword'>true</span>, &amp;dir, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>true</span>);</td></tr>
4350<tr><td class="num" id="LN4264">4264</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4351<tr><td class="num" id="LN4265">4265</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4352<tr><td class="num" id="LN4266">4266</td><td class="line"> </td></tr>
4353<tr><td class="num" id="LN4267">4267</td><td class="line"> <span class='comment'>// the path buffer had been clobbered by the above call</span></td></tr>
4354<tr><td class="num" id="LN4268">4268</td><td class="line"> length = strlcpy(pathBuffer, basePath, bufferSize);</td></tr>
4355<tr><td class="num" id="LN4269">4269</td><td class="line"> <span class='keyword'>if</span> (pathBuffer[length - 1] != '/')</td></tr>
4356<tr><td class="num" id="LN4270">4270</td><td class="line"> pathBuffer[length++] = '/';</td></tr>
4357<tr><td class="num" id="LN4271">4271</td><td class="line"> </td></tr>
4358<tr><td class="num" id="LN4272">4272</td><td class="line"> path = pathBuffer + length;</td></tr>
4359<tr><td class="num" id="LN4273">4273</td><td class="line"> bufferSize -= length;</td></tr>
4360<tr><td class="num" id="LN4274">4274</td><td class="line"> </td></tr>
4361<tr><td class="num" id="LN4275">4275</td><td class="line"> <span class='keyword'>while</span> (moduleName) {</td></tr>
4362<tr><td class="num" id="LN4276">4276</td><td class="line"> <span class='keyword'>char</span>* nextPath = strchr(moduleName, '/');</td></tr>
4363<tr><td class="num" id="LN4277">4277</td><td class="line"> <span class='keyword'>if</span> (nextPath == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4364<tr><td class="num" id="LN4278">4278</td><td class="line"> length = strlen(moduleName);</td></tr>
4365<tr><td class="num" id="LN4279">4279</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
4366<tr><td class="num" id="LN4280">4280</td><td class="line"> length = nextPath - moduleName;</td></tr>
4367<tr><td class="num" id="LN4281">4281</td><td class="line"> nextPath++;</td></tr>
4368<tr><td class="num" id="LN4282">4282</td><td class="line"> }</td></tr>
4369<tr><td class="num" id="LN4283">4283</td><td class="line"> </td></tr>
4370<tr><td class="num" id="LN4284">4284</td><td class="line"> <span class='keyword'>if</span> (length + 1 &gt;= bufferSize) {</td></tr>
4371<tr><td class="num" id="LN4285">4285</td><td class="line"> status = <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
4372<tr><td class="num" id="LN4286">4286</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
4373<tr><td class="num" id="LN4287">4287</td><td class="line"> }</td></tr>
4374<tr><td class="num" id="LN4288">4288</td><td class="line"> </td></tr>
4375<tr><td class="num" id="LN4289">4289</td><td class="line"> memcpy(path, moduleName, length);</td></tr>
4376<tr><td class="num" id="LN4290">4290</td><td class="line"> path[length] = '\0';</td></tr>
4377<tr><td class="num" id="LN4291">4291</td><td class="line"> moduleName = nextPath;</td></tr>
4378<tr><td class="num" id="LN4292">4292</td><td class="line"> </td></tr>
4379<tr><td class="num" id="LN4293">4293</td><td class="line"> status = vnode_path_to_vnode(dir, path, <span class='keyword'>true</span>, 0, <span class='keyword'>true</span>, &amp;file, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
4380<tr><td class="num" id="LN4294">4294</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
4381<tr><td class="num" id="LN4295">4295</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() has already released the reference to dir</span></td></tr>
4382<tr><td class="num" id="LN4296">4296</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4383<tr><td class="num" id="LN4297">4297</td><td class="line"> }</td></tr>
4384<tr><td class="num" id="LN4298">4298</td><td class="line"> </td></tr>
4385<tr><td class="num" id="LN4299">4299</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISDIR(file-&gt;Type())<span class='expansion'>(((file-&gt;Type()) &amp; 00000170000) == 00000040000)</span></span>) {</td></tr>
4386<tr><td class="num" id="LN4300">4300</td><td class="line"> <span class='comment'>// goto the next directory</span></td></tr>
4387<tr><td class="num" id="LN4301">4301</td><td class="line"> path[length] = '/';</td></tr>
4388<tr><td class="num" id="LN4302">4302</td><td class="line"> path[length + 1] = '\0';</td></tr>
4389<tr><td class="num" id="LN4303">4303</td><td class="line"> path += length + 1;</td></tr>
4390<tr><td class="num" id="LN4304">4304</td><td class="line"> bufferSize -= length + 1;</td></tr>
4391<tr><td class="num" id="LN4305">4305</td><td class="line"> </td></tr>
4392<tr><td class="num" id="LN4306">4306</td><td class="line"> dir = file;</td></tr>
4393<tr><td class="num" id="LN4307">4307</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (<span class='macro'>S_ISREG(file-&gt;Type())<span class='expansion'>(((file-&gt;Type()) &amp; 00000170000) == 00000100000)</span></span>) {</td></tr>
4394<tr><td class="num" id="LN4308">4308</td><td class="line"> <span class='comment'>// it's a file so it should be what we've searched for</span></td></tr>
4395<tr><td class="num" id="LN4309">4309</td><td class="line"> put_vnode(file);</td></tr>
4396<tr><td class="num" id="LN4310">4310</td><td class="line"> </td></tr>
4397<tr><td class="num" id="LN4311">4311</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4398<tr><td class="num" id="LN4312">4312</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
4399<tr><td class="num" id="LN4313">4313</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"vfs_get_module_path(): something is strange here: "<span class='expansion'>;</span></span></span></td></tr>
4400<tr><td class="num" id="LN4314">4314</td><td class="line"> <span class='string_literal'><span class='macro'>"0x%08"</span> B_PRIx32 <span class='string_literal'>"...\n"</span>, file-&gt;Type()))<span class='expansion'>;</span></span>;</td></tr>
4401<tr><td class="num" id="LN4315">4315</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
4402<tr><td class="num" id="LN4316">4316</td><td class="line"> dir = file;</td></tr>
4403<tr><td class="num" id="LN4317">4317</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
4404<tr><td class="num" id="LN4318">4318</td><td class="line"> }</td></tr>
4405<tr><td class="num" id="LN4319">4319</td><td class="line"> }</td></tr>
4406<tr><td class="num" id="LN4320">4320</td><td class="line"> </td></tr>
4407<tr><td class="num" id="LN4321">4321</td><td class="line"> <span class='comment'>// if we got here, the moduleName just pointed to a directory, not to</span></td></tr>
4408<tr><td class="num" id="LN4322">4322</td><td class="line"> <span class='comment'>// a real module - what should we do in this case?</span></td></tr>
4409<tr><td class="num" id="LN4323">4323</td><td class="line"> status = <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
4410<tr><td class="num" id="LN4324">4324</td><td class="line"> </td></tr>
4411<tr><td class="num" id="LN4325">4325</td><td class="line">err:</td></tr>
4412<tr><td class="num" id="LN4326">4326</td><td class="line"> put_vnode(dir);</td></tr>
4413<tr><td class="num" id="LN4327">4327</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4414<tr><td class="num" id="LN4328">4328</td><td class="line">}</td></tr>
4415<tr><td class="num" id="LN4329">4329</td><td class="line"> </td></tr>
4416<tr><td class="num" id="LN4330">4330</td><td class="line"> </td></tr>
4417<tr><td class="num" id="LN4331">4331</td><td class="line"><span class='comment'>/*! \brief Normalizes a given path.</span></td></tr>
4418<tr><td class="num" id="LN4332">4332</td><td class="line"> </td></tr>
4419<tr><td class="num" id="LN4333">4333</td><td class="line"> <span class='comment'>The path must refer to an existing or non-existing entry in an existing</span></td></tr>
4420<tr><td class="num" id="LN4334">4334</td><td class="line"> <span class='comment'>directory, that is chopping off the leaf component the remaining path must</span></td></tr>
4421<tr><td class="num" id="LN4335">4335</td><td class="line"> <span class='comment'>refer to an existing directory.</span></td></tr>
4422<tr><td class="num" id="LN4336">4336</td><td class="line"> </td></tr>
4423<tr><td class="num" id="LN4337">4337</td><td class="line"> <span class='comment'>The returned will be canonical in that it will be absolute, will not</span></td></tr>
4424<tr><td class="num" id="LN4338">4338</td><td class="line"> <span class='comment'>contain any "." or ".." components or duplicate occurrences of '/'s,</span></td></tr>
4425<tr><td class="num" id="LN4339">4339</td><td class="line"> <span class='comment'>and none of the directory components will by symbolic links.</span></td></tr>
4426<tr><td class="num" id="LN4340">4340</td><td class="line"> </td></tr>
4427<tr><td class="num" id="LN4341">4341</td><td class="line"> <span class='comment'>Any two paths referring to the same entry, will result in the same</span></td></tr>
4428<tr><td class="num" id="LN4342">4342</td><td class="line"> <span class='comment'>normalized path (well, that is pretty much the definition of `normalized',</span></td></tr>
4429<tr><td class="num" id="LN4343">4343</td><td class="line"> <span class='comment'>isn't it :-).</span></td></tr>
4430<tr><td class="num" id="LN4344">4344</td><td class="line"> </td></tr>
4431<tr><td class="num" id="LN4345">4345</td><td class="line"> <span class='comment'>\param path The path to be normalized.</span></td></tr>
4432<tr><td class="num" id="LN4346">4346</td><td class="line"> <span class='comment'>\param buffer The buffer into which the normalized path will be written.</span></td></tr>
4433<tr><td class="num" id="LN4347">4347</td><td class="line"> <span class='comment'>May be the same one as \a path.</span></td></tr>
4434<tr><td class="num" id="LN4348">4348</td><td class="line"> <span class='comment'>\param bufferSize The size of \a buffer.</span></td></tr>
4435<tr><td class="num" id="LN4349">4349</td><td class="line"> <span class='comment'>\param traverseLink If \c true, the function also resolves leaf symlinks.</span></td></tr>
4436<tr><td class="num" id="LN4350">4350</td><td class="line"> <span class='comment'>\param kernel \c true, if the IO context of the kernel shall be used,</span></td></tr>
4437<tr><td class="num" id="LN4351">4351</td><td class="line"> <span class='comment'>otherwise that of the team this thread belongs to. Only relevant,</span></td></tr>
4438<tr><td class="num" id="LN4352">4352</td><td class="line"> <span class='comment'>if the path is relative (to get the CWD).</span></td></tr>
4439<tr><td class="num" id="LN4353">4353</td><td class="line"> <span class='comment'>\return \c B_OK if everything went fine, another error code otherwise.</span></td></tr>
4440<tr><td class="num" id="LN4354">4354</td><td class="line"><span class='comment'>*/</span></td></tr>
4441<tr><td class="num" id="LN4355">4355</td><td class="line">status_t</td></tr>
4442<tr><td class="num" id="LN4356">4356</td><td class="line">vfs_normalize_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>char</span>* buffer, size_t bufferSize,</td></tr>
4443<tr><td class="num" id="LN4357">4357</td><td class="line"> <span class='keyword'>bool</span> traverseLink, <span class='keyword'>bool</span> kernel)</td></tr>
4444<tr><td class="num" id="LN4358">4358</td><td class="line">{</td></tr>
4445<tr><td class="num" id="LN4359">4359</td><td class="line"> <span class='keyword'>if</span> (!path || !buffer || bufferSize &lt; 1)</td></tr>
4446<tr><td class="num" id="LN4360">4360</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
4447<tr><td class="num" id="LN4361">4361</td><td class="line"> </td></tr>
4448<tr><td class="num" id="LN4362">4362</td><td class="line"> <span class='keyword'>if</span> (path != buffer) {</td></tr>
4449<tr><td class="num" id="LN4363">4363</td><td class="line"> <span class='keyword'>if</span> (strlcpy(buffer, path, bufferSize) &gt;= bufferSize)</td></tr>
4450<tr><td class="num" id="LN4364">4364</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
4451<tr><td class="num" id="LN4365">4365</td><td class="line"> }</td></tr>
4452<tr><td class="num" id="LN4366">4366</td><td class="line"> </td></tr>
4453<tr><td class="num" id="LN4367">4367</td><td class="line"> <span class='keyword'>return</span> normalize_path(buffer, bufferSize, traverseLink, kernel);</td></tr>
4454<tr><td class="num" id="LN4368">4368</td><td class="line">}</td></tr>
4455<tr><td class="num" id="LN4369">4369</td><td class="line"> </td></tr>
4456<tr><td class="num" id="LN4370">4370</td><td class="line"> </td></tr>
4457<tr><td class="num" id="LN4371">4371</td><td class="line"><span class='comment'>/*! \brief Creates a special node in the file system.</span></td></tr>
4458<tr><td class="num" id="LN4372">4372</td><td class="line"> </td></tr>
4459<tr><td class="num" id="LN4373">4373</td><td class="line"> <span class='comment'>The caller gets a reference to the newly created node (which is passed</span></td></tr>
4460<tr><td class="num" id="LN4374">4374</td><td class="line"> <span class='comment'>back through \a _createdVnode) and is responsible for releasing it.</span></td></tr>
4461<tr><td class="num" id="LN4375">4375</td><td class="line"> </td></tr>
4462<tr><td class="num" id="LN4376">4376</td><td class="line"> <span class='comment'>\param path The path where to create the entry for the node. Can be \c NULL,</span></td></tr>
4463<tr><td class="num" id="LN4377">4377</td><td class="line"> <span class='comment'>in which case the node is created without an entry in the root FS -- it</span></td></tr>
4464<tr><td class="num" id="LN4378">4378</td><td class="line"> <span class='comment'>will automatically be deleted when the last reference has been released.</span></td></tr>
4465<tr><td class="num" id="LN4379">4379</td><td class="line"> <span class='comment'>\param subVnode The definition of the subnode. Can be \c NULL, in which case</span></td></tr>
4466<tr><td class="num" id="LN4380">4380</td><td class="line"> <span class='comment'>the target file system will just create the node with its standard</span></td></tr>
4467<tr><td class="num" id="LN4381">4381</td><td class="line"> <span class='comment'>operations. Depending on the type of the node a subnode might be created</span></td></tr>
4468<tr><td class="num" id="LN4382">4382</td><td class="line"> <span class='comment'>automatically, though.</span></td></tr>
4469<tr><td class="num" id="LN4383">4383</td><td class="line"> <span class='comment'>\param mode The type and permissions for the node to be created.</span></td></tr>
4470<tr><td class="num" id="LN4384">4384</td><td class="line"> <span class='comment'>\param flags Flags to be passed to the creating FS.</span></td></tr>
4471<tr><td class="num" id="LN4385">4385</td><td class="line"> <span class='comment'>\param kernel \c true, if called in the kernel context (relevant only if</span></td></tr>
4472<tr><td class="num" id="LN4386">4386</td><td class="line"> <span class='comment'>\a path is not \c NULL and not absolute).</span></td></tr>
4473<tr><td class="num" id="LN4387">4387</td><td class="line"> <span class='comment'>\param _superVnode Pointer to a pre-allocated structure to be filled by the</span></td></tr>
4474<tr><td class="num" id="LN4388">4388</td><td class="line"> <span class='comment'>file system creating the node, with the private data pointer and</span></td></tr>
4475<tr><td class="num" id="LN4389">4389</td><td class="line"> <span class='comment'>operations for the super node. Can be \c NULL.</span></td></tr>
4476<tr><td class="num" id="LN4390">4390</td><td class="line"> <span class='comment'>\param _createVnode Pointer to pre-allocated storage where to store the</span></td></tr>
4477<tr><td class="num" id="LN4391">4391</td><td class="line"> <span class='comment'>pointer to the newly created node.</span></td></tr>
4478<tr><td class="num" id="LN4392">4392</td><td class="line"> <span class='comment'>\return \c B_OK, if everything went fine, another error code otherwise.</span></td></tr>
4479<tr><td class="num" id="LN4393">4393</td><td class="line"><span class='comment'>*/</span></td></tr>
4480<tr><td class="num" id="LN4394">4394</td><td class="line">status_t</td></tr>
4481<tr><td class="num" id="LN4395">4395</td><td class="line">vfs_create_special_node(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, fs_vnode* subVnode, mode_t mode,</td></tr>
4482<tr><td class="num" id="LN4396">4396</td><td class="line"> uint32 flags, <span class='keyword'>bool</span> kernel, fs_vnode* _superVnode,</td></tr>
4483<tr><td class="num" id="LN4397">4397</td><td class="line"> <span class='keyword'>struct</span> vnode** _createdVnode)</td></tr>
4484<tr><td class="num" id="LN4398">4398</td><td class="line">{</td></tr>
4485<tr><td class="num" id="LN4399">4399</td><td class="line"> <span class='keyword'>struct</span> vnode* dirNode;</td></tr>
4486<tr><td class="num" id="LN4400">4400</td><td class="line"> <span class='keyword'>char</span> _leaf[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
4487<tr><td class="num" id="LN4401">4401</td><td class="line"> <span class='keyword'>char</span>* leaf = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
4488<tr><td class="num" id="LN4402">4402</td><td class="line"> </td></tr>
4489<tr><td class="num" id="LN4403">4403</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
4490<tr><td class="num" id="LN4404">4404</td><td class="line"> <span class='comment'>// We've got a path. Get the dir vnode and the leaf name.</span></td></tr>
4491<tr><td class="num" id="LN4405">4405</td><td class="line"> KPath tmpPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
4492<tr><td class="num" id="LN4406">4406</td><td class="line"> <span class='keyword'>if</span> (tmpPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4493<tr><td class="num" id="LN4407">4407</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
4494<tr><td class="num" id="LN4408">4408</td><td class="line"> </td></tr>
4495<tr><td class="num" id="LN4409">4409</td><td class="line"> <span class='keyword'>char</span>* tmpPath = tmpPathBuffer.LockBuffer();</td></tr>
4496<tr><td class="num" id="LN4410">4410</td><td class="line"> <span class='keyword'>if</span> (strlcpy(tmpPath, path, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &gt;= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
4497<tr><td class="num" id="LN4411">4411</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
4498<tr><td class="num" id="LN4412">4412</td><td class="line"> </td></tr>
4499<tr><td class="num" id="LN4413">4413</td><td class="line"> <span class='comment'>// get the dir vnode and the leaf name</span></td></tr>
4500<tr><td class="num" id="LN4414">4414</td><td class="line"> leaf = _leaf;</td></tr>
4501<tr><td class="num" id="LN4415">4415</td><td class="line"> status_t error = path_to_dir_vnode(tmpPath, &amp;dirNode, leaf, kernel);</td></tr>
4502<tr><td class="num" id="LN4416">4416</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4503<tr><td class="num" id="LN4417">4417</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
4504<tr><td class="num" id="LN4418">4418</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
4505<tr><td class="num" id="LN4419">4419</td><td class="line"> <span class='comment'>// No path. Create the node in the root FS.</span></td></tr>
4506<tr><td class="num" id="LN4420">4420</td><td class="line"> dirNode = sRoot;</td></tr>
4507<tr><td class="num" id="LN4421">4421</td><td class="line"> inc_vnode_ref_count(dirNode);</td></tr>
4508<tr><td class="num" id="LN4422">4422</td><td class="line"> }</td></tr>
4509<tr><td class="num" id="LN4423">4423</td><td class="line"> </td></tr>
4510<tr><td class="num" id="LN4424">4424</td><td class="line"> VNodePutter _(dirNode);</td></tr>
4511<tr><td class="num" id="LN4425">4425</td><td class="line"> </td></tr>
4512<tr><td class="num" id="LN4426">4426</td><td class="line"> <span class='comment'>// check support for creating special nodes</span></td></tr>
4513<tr><td class="num" id="LN4427">4427</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(dirNode, create_special_node)<span class='expansion'>(dirNode-&gt;ops-&gt;create_special_node != __null)</span></span>)</td></tr>
4514<tr><td class="num" id="LN4428">4428</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
4515<tr><td class="num" id="LN4429">4429</td><td class="line"> </td></tr>
4516<tr><td class="num" id="LN4430">4430</td><td class="line"> <span class='comment'>// create the node</span></td></tr>
4517<tr><td class="num" id="LN4431">4431</td><td class="line"> fs_vnode superVnode;</td></tr>
4518<tr><td class="num" id="LN4432">4432</td><td class="line"> ino_t nodeID;</td></tr>
4519<tr><td class="num" id="LN4433">4433</td><td class="line"> status_t status = <span class='macro'>FS_CALL(dirNode, create_special_node, leaf, subVnode,<span class='expansion'>( (dirNode-&gt;ops-&gt;create_special_node != __null) ? dirNode<br>-&gt;ops-&gt;create_special_node(dirNode-&gt;mount-&gt;volume<br>, dirNode, leaf, subVnode, mode, flags, _superVnode != __null<br> ? _superVnode : &amp;superVnode, &amp;nodeID) : (panic("FS_CALL op "<br> "create_special_node" " is NULL"), 0))</span></span></td></tr>
4520<tr><td class="num" id="LN4434">4434</td><td class="line"> <span class='macro'>mode, flags, _superVnode != NULL ? _superVnode : &amp;superVnode, &amp;nodeID)<span class='expansion'>( (dirNode-&gt;ops-&gt;create_special_node != __null) ? dirNode<br>-&gt;ops-&gt;create_special_node(dirNode-&gt;mount-&gt;volume<br>, dirNode, leaf, subVnode, mode, flags, _superVnode != __null<br> ? _superVnode : &amp;superVnode, &amp;nodeID) : (panic("FS_CALL op "<br> "create_special_node" " is NULL"), 0))</span></span>;</td></tr>
4521<tr><td class="num" id="LN4435">4435</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4522<tr><td class="num" id="LN4436">4436</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4523<tr><td class="num" id="LN4437">4437</td><td class="line"> </td></tr>
4524<tr><td class="num" id="LN4438">4438</td><td class="line"> <span class='comment'>// lookup the node</span></td></tr>
4525<tr><td class="num" id="LN4439">4439</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
4526<tr><td class="num" id="LN4440">4440</td><td class="line"> *_createdVnode = lookup_vnode(dirNode-&gt;mount-&gt;id, nodeID);</td></tr>
4527<tr><td class="num" id="LN4441">4441</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
4528<tr><td class="num" id="LN4442">4442</td><td class="line"> </td></tr>
4529<tr><td class="num" id="LN4443">4443</td><td class="line"> <span class='keyword'>if</span> (*_createdVnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
4530<tr><td class="num" id="LN4444">4444</td><td class="line"> panic(<span class='string_literal'>"vfs_create_special_node(): lookup of node failed"</span>);</td></tr>
4531<tr><td class="num" id="LN4445">4445</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
4532<tr><td class="num" id="LN4446">4446</td><td class="line"> }</td></tr>
4533<tr><td class="num" id="LN4447">4447</td><td class="line"> </td></tr>
4534<tr><td class="num" id="LN4448">4448</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4535<tr><td class="num" id="LN4449">4449</td><td class="line">}</td></tr>
4536<tr><td class="num" id="LN4450">4450</td><td class="line"> </td></tr>
4537<tr><td class="num" id="LN4451">4451</td><td class="line"> </td></tr>
4538<tr><td class="num" id="LN4452">4452</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>void</span></td></tr>
4539<tr><td class="num" id="LN4453">4453</td><td class="line">vfs_put_vnode(<span class='keyword'>struct</span> vnode* vnode)</td></tr>
4540<tr><td class="num" id="LN4454">4454</td><td class="line">{</td></tr>
4541<tr><td class="num" id="LN4455">4455</td><td class="line"> put_vnode(vnode);</td></tr>
4542<tr><td class="num" id="LN4456">4456</td><td class="line">}</td></tr>
4543<tr><td class="num" id="LN4457">4457</td><td class="line"> </td></tr>
4544<tr><td class="num" id="LN4458">4458</td><td class="line"> </td></tr>
4545<tr><td class="num" id="LN4459">4459</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4546<tr><td class="num" id="LN4460">4460</td><td class="line">vfs_get_cwd(dev_t* _mountID, ino_t* _vnodeID)</td></tr>
4547<tr><td class="num" id="LN4461">4461</td><td class="line">{</td></tr>
4548<tr><td class="num" id="LN4462">4462</td><td class="line"> <span class='comment'>// Get current working directory from io context</span></td></tr>
4549<tr><td class="num" id="LN4463">4463</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
4550<tr><td class="num" id="LN4464">4464</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4551<tr><td class="num" id="LN4465">4465</td><td class="line"> </td></tr>
4552<tr><td class="num" id="LN4466">4466</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
4553<tr><td class="num" id="LN4467">4467</td><td class="line"> </td></tr>
4554<tr><td class="num" id="LN4468">4468</td><td class="line"> <span class='keyword'>if</span> (context-&gt;cwd != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
4555<tr><td class="num" id="LN4469">4469</td><td class="line"> *_mountID = context-&gt;cwd-&gt;device;</td></tr>
4556<tr><td class="num" id="LN4470">4470</td><td class="line"> *_vnodeID = context-&gt;cwd-&gt;id;</td></tr>
4557<tr><td class="num" id="LN4471">4471</td><td class="line"> } <span class='keyword'>else</span></td></tr>
4558<tr><td class="num" id="LN4472">4472</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
4559<tr><td class="num" id="LN4473">4473</td><td class="line"> </td></tr>
4560<tr><td class="num" id="LN4474">4474</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
4561<tr><td class="num" id="LN4475">4475</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4562<tr><td class="num" id="LN4476">4476</td><td class="line">}</td></tr>
4563<tr><td class="num" id="LN4477">4477</td><td class="line"> </td></tr>
4564<tr><td class="num" id="LN4478">4478</td><td class="line"> </td></tr>
4565<tr><td class="num" id="LN4479">4479</td><td class="line">status_t</td></tr>
4566<tr><td class="num" id="LN4480">4480</td><td class="line">vfs_unmount(dev_t mountID, uint32 flags)</td></tr>
4567<tr><td class="num" id="LN4481">4481</td><td class="line">{</td></tr>
4568<tr><td class="num" id="LN4482">4482</td><td class="line"> <span class='keyword'>return</span> fs_unmount(<span class='macro'>NULL<span class='expansion'>__null</span></span>, mountID, flags, <span class='keyword'>true</span>);</td></tr>
4569<tr><td class="num" id="LN4483">4483</td><td class="line">}</td></tr>
4570<tr><td class="num" id="LN4484">4484</td><td class="line"> </td></tr>
4571<tr><td class="num" id="LN4485">4485</td><td class="line"> </td></tr>
4572<tr><td class="num" id="LN4486">4486</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4573<tr><td class="num" id="LN4487">4487</td><td class="line">vfs_disconnect_vnode(dev_t mountID, ino_t vnodeID)</td></tr>
4574<tr><td class="num" id="LN4488">4488</td><td class="line">{</td></tr>
4575<tr><td class="num" id="LN4489">4489</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4576<tr><td class="num" id="LN4490">4490</td><td class="line"> </td></tr>
4577<tr><td class="num" id="LN4491">4491</td><td class="line"> status_t status = get_vnode(mountID, vnodeID, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>true</span>);</td></tr>
4578<tr><td class="num" id="LN4492">4492</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4579<tr><td class="num" id="LN4493">4493</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4580<tr><td class="num" id="LN4494">4494</td><td class="line"> </td></tr>
4581<tr><td class="num" id="LN4495">4495</td><td class="line"> disconnect_mount_or_vnode_fds(vnode-&gt;mount, vnode);</td></tr>
4582<tr><td class="num" id="LN4496">4496</td><td class="line"> put_vnode(vnode);</td></tr>
4583<tr><td class="num" id="LN4497">4497</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4584<tr><td class="num" id="LN4498">4498</td><td class="line">}</td></tr>
4585<tr><td class="num" id="LN4499">4499</td><td class="line"> </td></tr>
4586<tr><td class="num" id="LN4500">4500</td><td class="line"> </td></tr>
4587<tr><td class="num" id="LN4501">4501</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>void</span></td></tr>
4588<tr><td class="num" id="LN4502">4502</td><td class="line">vfs_free_unused_vnodes(int32 level)</td></tr>
4589<tr><td class="num" id="LN4503">4503</td><td class="line">{</td></tr>
4590<tr><td class="num" id="LN4504">4504</td><td class="line"> vnode_low_resource_handler(<span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
4591<tr><td class="num" id="LN4505">4505</td><td class="line"> B_KERNEL_RESOURCE_PAGES | B_KERNEL_RESOURCE_MEMORY</td></tr>
4592<tr><td class="num" id="LN4506">4506</td><td class="line"> | B_KERNEL_RESOURCE_ADDRESS_SPACE,</td></tr>
4593<tr><td class="num" id="LN4507">4507</td><td class="line"> level);</td></tr>
4594<tr><td class="num" id="LN4508">4508</td><td class="line">}</td></tr>
4595<tr><td class="num" id="LN4509">4509</td><td class="line"> </td></tr>
4596<tr><td class="num" id="LN4510">4510</td><td class="line"> </td></tr>
4597<tr><td class="num" id="LN4511">4511</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> <span class='keyword'>bool</span></td></tr>
4598<tr><td class="num" id="LN4512">4512</td><td class="line">vfs_can_page(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie)</td></tr>
4599<tr><td class="num" id="LN4513">4513</td><td class="line">{</td></tr>
4600<tr><td class="num" id="LN4514">4514</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_canpage: vnode %p\n"</span>, vnode))<span class='expansion'>;</span></span>;</td></tr>
4601<tr><td class="num" id="LN4515">4515</td><td class="line"> </td></tr>
4602<tr><td class="num" id="LN4516">4516</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, can_page)<span class='expansion'>(vnode-&gt;ops-&gt;can_page != __null)</span></span>)</td></tr>
4603<tr><td class="num" id="LN4517">4517</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, can_page, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;can_page != __null) ? vnode-&gt;ops-&gt;<br>can_page(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic(<br>"FS_CALL op " "can_page" " is NULL"), 0))</span></span>;</td></tr>
4604<tr><td class="num" id="LN4518">4518</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
4605<tr><td class="num" id="LN4519">4519</td><td class="line">}</td></tr>
4606<tr><td class="num" id="LN4520">4520</td><td class="line"> </td></tr>
4607<tr><td class="num" id="LN4521">4521</td><td class="line"> </td></tr>
4608<tr><td class="num" id="LN4522">4522</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4609<tr><td class="num" id="LN4523">4523</td><td class="line">vfs_read_pages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
4610<tr><td class="num" id="LN4524">4524</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, size_t count, uint32 flags,</td></tr>
4611<tr><td class="num" id="LN4525">4525</td><td class="line"> generic_size_t* _numBytes)</td></tr>
4612<tr><td class="num" id="LN4526">4526</td><td class="line">{</td></tr>
4613<tr><td class="num" id="LN4527">4527</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_read_pages: vnode %p, vecs %p, pos %"</span> B_PRIdOFF <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
4614<tr><td class="num" id="LN4528">4528</td><td class="line"> <span class='macro'>vecs, pos))<span class='expansion'>;</span></span>;</td></tr>
4615<tr><td class="num" id="LN4529">4529</td><td class="line"> </td></tr>
4616<tr><td class="num" id="LN4530">4530</td><td class="line"><span class='directive'>#if VFS_PAGES_IO_TRACING</span></td></tr>
4617<tr><td class="num" id="LN4531">4531</td><td class="line"> generic_size_t bytesRequested = *_numBytes;</td></tr>
4618<tr><td class="num" id="LN4532">4532</td><td class="line"><span class='directive'>#endif</span></td></tr>
4619<tr><td class="num" id="LN4533">4533</td><td class="line"> </td></tr>
4620<tr><td class="num" id="LN4534">4534</td><td class="line"> IORequest request;</td></tr>
4621<tr><td class="num" id="LN4535">4535</td><td class="line"> status_t status = request.Init(pos, vecs, count, *_numBytes, <span class='keyword'>false</span>, flags);</td></tr>
4622<tr><td class="num" id="LN4536">4536</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
4623<tr><td class="num" id="LN4537">4537</td><td class="line"> status = vfs_vnode_io(vnode, cookie, &amp;request);</td></tr>
4624<tr><td class="num" id="LN4538">4538</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4625<tr><td class="num" id="LN4539">4539</td><td class="line"> status = request.Wait();</td></tr>
4626<tr><td class="num" id="LN4540">4540</td><td class="line"> *_numBytes = request.TransferredBytes();</td></tr>
4627<tr><td class="num" id="LN4541">4541</td><td class="line"> }</td></tr>
4628<tr><td class="num" id="LN4542">4542</td><td class="line"> </td></tr>
4629<tr><td class="num" id="LN4543">4543</td><td class="line"> <span class='macro'>TPIO(ReadPages(vnode, cookie, pos, vecs, count, flags, bytesRequested,<span class='expansion'>;</span></span></td></tr>
4630<tr><td class="num" id="LN4544">4544</td><td class="line"> <span class='macro'>status, *_numBytes))<span class='expansion'>;</span></span>;</td></tr>
4631<tr><td class="num" id="LN4545">4545</td><td class="line"> </td></tr>
4632<tr><td class="num" id="LN4546">4546</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4633<tr><td class="num" id="LN4547">4547</td><td class="line">}</td></tr>
4634<tr><td class="num" id="LN4548">4548</td><td class="line"> </td></tr>
4635<tr><td class="num" id="LN4549">4549</td><td class="line"> </td></tr>
4636<tr><td class="num" id="LN4550">4550</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4637<tr><td class="num" id="LN4551">4551</td><td class="line">vfs_write_pages(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie, off_t pos,</td></tr>
4638<tr><td class="num" id="LN4552">4552</td><td class="line"> <span class='keyword'>const</span> generic_io_vec* vecs, size_t count, uint32 flags,</td></tr>
4639<tr><td class="num" id="LN4553">4553</td><td class="line"> generic_size_t* _numBytes)</td></tr>
4640<tr><td class="num" id="LN4554">4554</td><td class="line">{</td></tr>
4641<tr><td class="num" id="LN4555">4555</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_write_pages: vnode %p, vecs %p, pos %"</span> B_PRIdOFF <span class='string_literal'>"\n"</span>, vnode,<span class='expansion'>;</span></span></td></tr>
4642<tr><td class="num" id="LN4556">4556</td><td class="line"> <span class='macro'>vecs, pos))<span class='expansion'>;</span></span>;</td></tr>
4643<tr><td class="num" id="LN4557">4557</td><td class="line"> </td></tr>
4644<tr><td class="num" id="LN4558">4558</td><td class="line"><span class='directive'>#if VFS_PAGES_IO_TRACING</span></td></tr>
4645<tr><td class="num" id="LN4559">4559</td><td class="line"> generic_size_t bytesRequested = *_numBytes;</td></tr>
4646<tr><td class="num" id="LN4560">4560</td><td class="line"><span class='directive'>#endif</span></td></tr>
4647<tr><td class="num" id="LN4561">4561</td><td class="line"> </td></tr>
4648<tr><td class="num" id="LN4562">4562</td><td class="line"> IORequest request;</td></tr>
4649<tr><td class="num" id="LN4563">4563</td><td class="line"> status_t status = request.Init(pos, vecs, count, *_numBytes, <span class='keyword'>true</span>, flags);</td></tr>
4650<tr><td class="num" id="LN4564">4564</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
4651<tr><td class="num" id="LN4565">4565</td><td class="line"> status = vfs_vnode_io(vnode, cookie, &amp;request);</td></tr>
4652<tr><td class="num" id="LN4566">4566</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4653<tr><td class="num" id="LN4567">4567</td><td class="line"> status = request.Wait();</td></tr>
4654<tr><td class="num" id="LN4568">4568</td><td class="line"> *_numBytes = request.TransferredBytes();</td></tr>
4655<tr><td class="num" id="LN4569">4569</td><td class="line"> }</td></tr>
4656<tr><td class="num" id="LN4570">4570</td><td class="line"> </td></tr>
4657<tr><td class="num" id="LN4571">4571</td><td class="line"> <span class='macro'>TPIO(WritePages(vnode, cookie, pos, vecs, count, flags, bytesRequested,<span class='expansion'>;</span></span></td></tr>
4658<tr><td class="num" id="LN4572">4572</td><td class="line"> <span class='macro'>status, *_numBytes))<span class='expansion'>;</span></span>;</td></tr>
4659<tr><td class="num" id="LN4573">4573</td><td class="line"> </td></tr>
4660<tr><td class="num" id="LN4574">4574</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4661<tr><td class="num" id="LN4575">4575</td><td class="line">}</td></tr>
4662<tr><td class="num" id="LN4576">4576</td><td class="line"> </td></tr>
4663<tr><td class="num" id="LN4577">4577</td><td class="line"> </td></tr>
4664<tr><td class="num" id="LN4578">4578</td><td class="line"><span class='comment'>/*! Gets the vnode's VMCache object. If it didn't have one, it will be</span></td></tr>
4665<tr><td class="num" id="LN4579">4579</td><td class="line"> <span class='comment'>created if \a allocate is \c true.</span></td></tr>
4666<tr><td class="num" id="LN4580">4580</td><td class="line"> <span class='comment'>In case it's successful, it will also grab a reference to the cache</span></td></tr>
4667<tr><td class="num" id="LN4581">4581</td><td class="line"> <span class='comment'>it returns.</span></td></tr>
4668<tr><td class="num" id="LN4582">4582</td><td class="line"><span class='comment'>*/</span></td></tr>
4669<tr><td class="num" id="LN4583">4583</td><td class="line"><span class='keyword'>extern</span> <span class='string_literal'>"C"</span> status_t</td></tr>
4670<tr><td class="num" id="LN4584">4584</td><td class="line">vfs_get_vnode_cache(<span class='keyword'>struct</span> vnode* vnode, VMCache** _cache, <span class='keyword'>bool</span> allocate)</td></tr>
4671<tr><td class="num" id="LN4585">4585</td><td class="line">{</td></tr>
4672<tr><td class="num" id="LN4586">4586</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;cache != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
4673<tr><td class="num" id="LN4587">4587</td><td class="line"> vnode-&gt;cache-&gt;AcquireRef();</td></tr>
4674<tr><td class="num" id="LN4588">4588</td><td class="line"> *_cache = vnode-&gt;cache;</td></tr>
4675<tr><td class="num" id="LN4589">4589</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4676<tr><td class="num" id="LN4590">4590</td><td class="line"> }</td></tr>
4677<tr><td class="num" id="LN4591">4591</td><td class="line"> </td></tr>
4678<tr><td class="num" id="LN4592">4592</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
4679<tr><td class="num" id="LN4593">4593</td><td class="line"> vnode-&gt;Lock();</td></tr>
4680<tr><td class="num" id="LN4594">4594</td><td class="line"> </td></tr>
4681<tr><td class="num" id="LN4595">4595</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4682<tr><td class="num" id="LN4596">4596</td><td class="line"> </td></tr>
4683<tr><td class="num" id="LN4597">4597</td><td class="line"> <span class='comment'>// The cache could have been created in the meantime</span></td></tr>
4684<tr><td class="num" id="LN4598">4598</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;cache == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
4685<tr><td class="num" id="LN4599">4599</td><td class="line"> <span class='keyword'>if</span> (allocate) {</td></tr>
4686<tr><td class="num" id="LN4600">4600</td><td class="line"> <span class='comment'>// TODO: actually the vnode needs to be busy already here, or</span></td></tr>
4687<tr><td class="num" id="LN4601">4601</td><td class="line"> <span class='comment'>// else this won't work...</span></td></tr>
4688<tr><td class="num" id="LN4602">4602</td><td class="line"> <span class='keyword'>bool</span> wasBusy = vnode-&gt;IsBusy();</td></tr>
4689<tr><td class="num" id="LN4603">4603</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>true</span>);</td></tr>
4690<tr><td class="num" id="LN4604">4604</td><td class="line"> </td></tr>
4691<tr><td class="num" id="LN4605">4605</td><td class="line"> vnode-&gt;Unlock();</td></tr>
4692<tr><td class="num" id="LN4606">4606</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
4693<tr><td class="num" id="LN4607">4607</td><td class="line"> </td></tr>
4694<tr><td class="num" id="LN4608">4608</td><td class="line"> status = vm_create_vnode_cache(vnode, &amp;vnode-&gt;cache);</td></tr>
4695<tr><td class="num" id="LN4609">4609</td><td class="line"> </td></tr>
4696<tr><td class="num" id="LN4610">4610</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
4697<tr><td class="num" id="LN4611">4611</td><td class="line"> vnode-&gt;Lock();</td></tr>
4698<tr><td class="num" id="LN4612">4612</td><td class="line"> vnode-&gt;SetBusy(wasBusy);</td></tr>
4699<tr><td class="num" id="LN4613">4613</td><td class="line"> } <span class='keyword'>else</span></td></tr>
4700<tr><td class="num" id="LN4614">4614</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
4701<tr><td class="num" id="LN4615">4615</td><td class="line"> }</td></tr>
4702<tr><td class="num" id="LN4616">4616</td><td class="line"> </td></tr>
4703<tr><td class="num" id="LN4617">4617</td><td class="line"> vnode-&gt;Unlock();</td></tr>
4704<tr><td class="num" id="LN4618">4618</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
4705<tr><td class="num" id="LN4619">4619</td><td class="line"> </td></tr>
4706<tr><td class="num" id="LN4620">4620</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
4707<tr><td class="num" id="LN4621">4621</td><td class="line"> vnode-&gt;cache-&gt;AcquireRef();</td></tr>
4708<tr><td class="num" id="LN4622">4622</td><td class="line"> *_cache = vnode-&gt;cache;</td></tr>
4709<tr><td class="num" id="LN4623">4623</td><td class="line"> }</td></tr>
4710<tr><td class="num" id="LN4624">4624</td><td class="line"> </td></tr>
4711<tr><td class="num" id="LN4625">4625</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4712<tr><td class="num" id="LN4626">4626</td><td class="line">}</td></tr>
4713<tr><td class="num" id="LN4627">4627</td><td class="line"> </td></tr>
4714<tr><td class="num" id="LN4628">4628</td><td class="line"> </td></tr>
4715<tr><td class="num" id="LN4629">4629</td><td class="line">status_t</td></tr>
4716<tr><td class="num" id="LN4630">4630</td><td class="line">vfs_get_file_map(<span class='keyword'>struct</span> vnode* vnode, off_t offset, size_t size,</td></tr>
4717<tr><td class="num" id="LN4631">4631</td><td class="line"> file_io_vec* vecs, size_t* _count)</td></tr>
4718<tr><td class="num" id="LN4632">4632</td><td class="line">{</td></tr>
4719<tr><td class="num" id="LN4633">4633</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_get_file_map: vnode %p, vecs %p, offset %"</span> B_PRIdOFF<span class='expansion'>;</span></span></td></tr>
4720<tr><td class="num" id="LN4634">4634</td><td class="line"> <span class='string_literal'><span class='macro'>", size = %"</span> B_PRIuSIZE <span class='string_literal'>"\n"</span>, vnode, vecs, offset, size))<span class='expansion'>;</span></span>;</td></tr>
4721<tr><td class="num" id="LN4635">4635</td><td class="line"> </td></tr>
4722<tr><td class="num" id="LN4636">4636</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, get_file_map, offset, size, vecs, _count)<span class='expansion'>( (vnode-&gt;ops-&gt;get_file_map != __null) ? vnode-&gt;ops-&gt;<br>get_file_map(vnode-&gt;mount-&gt;volume, vnode, offset, size,<br> vecs, _count) : (panic("FS_CALL op " "get_file_map" " is NULL"<br>), 0))</span></span>;</td></tr>
4723<tr><td class="num" id="LN4637">4637</td><td class="line">}</td></tr>
4724<tr><td class="num" id="LN4638">4638</td><td class="line"> </td></tr>
4725<tr><td class="num" id="LN4639">4639</td><td class="line"> </td></tr>
4726<tr><td class="num" id="LN4640">4640</td><td class="line">status_t</td></tr>
4727<tr><td class="num" id="LN4641">4641</td><td class="line">vfs_stat_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>struct</span> stat* stat)</td></tr>
4728<tr><td class="num" id="LN4642">4642</td><td class="line">{</td></tr>
4729<tr><td class="num" id="LN4643">4643</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_stat != __null) ? vnode-&gt;ops-&gt;<br>read_stat(vnode-&gt;mount-&gt;volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
4730<tr><td class="num" id="LN4644">4644</td><td class="line"> </td></tr>
4731<tr><td class="num" id="LN4645">4645</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
4732<tr><td class="num" id="LN4646">4646</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
4733<tr><td class="num" id="LN4647">4647</td><td class="line"> stat-&gt;st_dev = vnode-&gt;device;</td></tr>
4734<tr><td class="num" id="LN4648">4648</td><td class="line"> stat-&gt;st_ino = vnode-&gt;id;</td></tr>
4735<tr><td class="num" id="LN4649">4649</td><td class="line"> stat-&gt;st_rdev = -1;</td></tr>
4736<tr><td class="num" id="LN4650">4650</td><td class="line"> }</td></tr>
4737<tr><td class="num" id="LN4651">4651</td><td class="line"> </td></tr>
4738<tr><td class="num" id="LN4652">4652</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4739<tr><td class="num" id="LN4653">4653</td><td class="line">}</td></tr>
4740<tr><td class="num" id="LN4654">4654</td><td class="line"> </td></tr>
4741<tr><td class="num" id="LN4655">4655</td><td class="line"> </td></tr>
4742<tr><td class="num" id="LN4656">4656</td><td class="line">status_t</td></tr>
4743<tr><td class="num" id="LN4657">4657</td><td class="line">vfs_stat_node_ref(dev_t device, ino_t inode, <span class='keyword'>struct</span> stat* stat)</td></tr>
4744<tr><td class="num" id="LN4658">4658</td><td class="line">{</td></tr>
4745<tr><td class="num" id="LN4659">4659</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4746<tr><td class="num" id="LN4660">4660</td><td class="line"> status_t status = get_vnode(device, inode, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
4747<tr><td class="num" id="LN4661">4661</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4748<tr><td class="num" id="LN4662">4662</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4749<tr><td class="num" id="LN4663">4663</td><td class="line"> </td></tr>
4750<tr><td class="num" id="LN4664">4664</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_stat != __null) ? vnode-&gt;ops-&gt;<br>read_stat(vnode-&gt;mount-&gt;volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
4751<tr><td class="num" id="LN4665">4665</td><td class="line"> </td></tr>
4752<tr><td class="num" id="LN4666">4666</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
4753<tr><td class="num" id="LN4667">4667</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
4754<tr><td class="num" id="LN4668">4668</td><td class="line"> stat-&gt;st_dev = vnode-&gt;device;</td></tr>
4755<tr><td class="num" id="LN4669">4669</td><td class="line"> stat-&gt;st_ino = vnode-&gt;id;</td></tr>
4756<tr><td class="num" id="LN4670">4670</td><td class="line"> stat-&gt;st_rdev = -1;</td></tr>
4757<tr><td class="num" id="LN4671">4671</td><td class="line"> }</td></tr>
4758<tr><td class="num" id="LN4672">4672</td><td class="line"> </td></tr>
4759<tr><td class="num" id="LN4673">4673</td><td class="line"> put_vnode(vnode);</td></tr>
4760<tr><td class="num" id="LN4674">4674</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4761<tr><td class="num" id="LN4675">4675</td><td class="line">}</td></tr>
4762<tr><td class="num" id="LN4676">4676</td><td class="line"> </td></tr>
4763<tr><td class="num" id="LN4677">4677</td><td class="line"> </td></tr>
4764<tr><td class="num" id="LN4678">4678</td><td class="line">status_t</td></tr>
4765<tr><td class="num" id="LN4679">4679</td><td class="line">vfs_get_vnode_name(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>char</span>* name, size_t nameSize)</td></tr>
4766<tr><td class="num" id="LN4680">4680</td><td class="line">{</td></tr>
4767<tr><td class="num" id="LN4681">4681</td><td class="line"> <span class='keyword'>return</span> get_vnode_name(vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, name, nameSize, <span class='keyword'>true</span>);</td></tr>
4768<tr><td class="num" id="LN4682">4682</td><td class="line">}</td></tr>
4769<tr><td class="num" id="LN4683">4683</td><td class="line"> </td></tr>
4770<tr><td class="num" id="LN4684">4684</td><td class="line"> </td></tr>
4771<tr><td class="num" id="LN4685">4685</td><td class="line">status_t</td></tr>
4772<tr><td class="num" id="LN4686">4686</td><td class="line">vfs_entry_ref_to_path(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* leaf,</td></tr>
4773<tr><td class="num" id="LN4687">4687</td><td class="line"> <span class='keyword'>char</span>* path, size_t pathLength)</td></tr>
4774<tr><td class="num" id="LN4688">4688</td><td class="line">{</td></tr>
4775<tr><td class="num" id="LN4689">4689</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
4776<tr><td class="num" id="LN4690">4690</td><td class="line"> status_t status;</td></tr>
4777<tr><td class="num" id="LN4691">4691</td><td class="line"> </td></tr>
4778<tr><td class="num" id="LN4692">4692</td><td class="line"> <span class='comment'>// filter invalid leaf names</span></td></tr>
4779<tr><td class="num" id="LN4693">4693</td><td class="line"> <span class='keyword'>if</span> (leaf != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; (leaf[0] == '\0' || strchr(leaf, '/')))</td></tr>
4780<tr><td class="num" id="LN4694">4694</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
4781<tr><td class="num" id="LN4695">4695</td><td class="line"> </td></tr>
4782<tr><td class="num" id="LN4696">4696</td><td class="line"> <span class='comment'>// get the vnode matching the dir's node_ref</span></td></tr>
4783<tr><td class="num" id="LN4697">4697</td><td class="line"> <span class='keyword'>if</span> (leaf &amp;&amp; (strcmp(leaf, <span class='string_literal'>"."</span>) == 0 || strcmp(leaf, <span class='string_literal'>".."</span>) == 0)) {</td></tr>
4784<tr><td class="num" id="LN4698">4698</td><td class="line"> <span class='comment'>// special cases "." and "..": we can directly get the vnode of the</span></td></tr>
4785<tr><td class="num" id="LN4699">4699</td><td class="line"> <span class='comment'>// referenced directory</span></td></tr>
4786<tr><td class="num" id="LN4700">4700</td><td class="line"> status = entry_ref_to_vnode(device, inode, leaf, <span class='keyword'>false</span>, <span class='keyword'>true</span>, &amp;vnode);</td></tr>
4787<tr><td class="num" id="LN4701">4701</td><td class="line"> leaf = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
4788<tr><td class="num" id="LN4702">4702</td><td class="line"> } <span class='keyword'>else</span></td></tr>
4789<tr><td class="num" id="LN4703">4703</td><td class="line"> status = get_vnode(device, inode, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
4790<tr><td class="num" id="LN4704">4704</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4791<tr><td class="num" id="LN4705">4705</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4792<tr><td class="num" id="LN4706">4706</td><td class="line"> </td></tr>
4793<tr><td class="num" id="LN4707">4707</td><td class="line"> <span class='comment'>// get the directory path</span></td></tr>
4794<tr><td class="num" id="LN4708">4708</td><td class="line"> status = dir_vnode_to_path(vnode, path, pathLength, <span class='keyword'>true</span>);</td></tr>
4795<tr><td class="num" id="LN4709">4709</td><td class="line"> put_vnode(vnode);</td></tr>
4796<tr><td class="num" id="LN4710">4710</td><td class="line"> <span class='comment'>// we don't need the vnode anymore</span></td></tr>
4797<tr><td class="num" id="LN4711">4711</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
4798<tr><td class="num" id="LN4712">4712</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
4799<tr><td class="num" id="LN4713">4713</td><td class="line"> </td></tr>
4800<tr><td class="num" id="LN4714">4714</td><td class="line"> <span class='comment'>// append the leaf name</span></td></tr>
4801<tr><td class="num" id="LN4715">4715</td><td class="line"> <span class='keyword'>if</span> (leaf) {</td></tr>
4802<tr><td class="num" id="LN4716">4716</td><td class="line"> <span class='comment'>// insert a directory separator if this is not the file system root</span></td></tr>
4803<tr><td class="num" id="LN4717">4717</td><td class="line"> <span class='keyword'>if</span> ((strcmp(path, <span class='string_literal'>"/"</span>) &amp;&amp; strlcat(path, <span class='string_literal'>"/"</span>, pathLength)</td></tr>
4804<tr><td class="num" id="LN4718">4718</td><td class="line"> &gt;= pathLength)</td></tr>
4805<tr><td class="num" id="LN4719">4719</td><td class="line"> || strlcat(path, leaf, pathLength) &gt;= pathLength) {</td></tr>
4806<tr><td class="num" id="LN4720">4720</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
4807<tr><td class="num" id="LN4721">4721</td><td class="line"> }</td></tr>
4808<tr><td class="num" id="LN4722">4722</td><td class="line"> }</td></tr>
4809<tr><td class="num" id="LN4723">4723</td><td class="line"> </td></tr>
4810<tr><td class="num" id="LN4724">4724</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4811<tr><td class="num" id="LN4725">4725</td><td class="line">}</td></tr>
4812<tr><td class="num" id="LN4726">4726</td><td class="line"> </td></tr>
4813<tr><td class="num" id="LN4727">4727</td><td class="line"> </td></tr>
4814<tr><td class="num" id="LN4728">4728</td><td class="line"><span class='comment'>/*! If the given descriptor locked its vnode, that lock will be released. */</span></td></tr>
4815<tr><td class="num" id="LN4729">4729</td><td class="line"><span class='keyword'>void</span></td></tr>
4816<tr><td class="num" id="LN4730">4730</td><td class="line">vfs_unlock_vnode_if_locked(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
4817<tr><td class="num" id="LN4731">4731</td><td class="line">{</td></tr>
4818<tr><td class="num" id="LN4732">4732</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
4819<tr><td class="num" id="LN4733">4733</td><td class="line"> </td></tr>
4820<tr><td class="num" id="LN4734">4734</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; vnode-&gt;mandatory_locked_by == descriptor)</td></tr>
4821<tr><td class="num" id="LN4735">4735</td><td class="line"> vnode-&gt;mandatory_locked_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
4822<tr><td class="num" id="LN4736">4736</td><td class="line">}</td></tr>
4823<tr><td class="num" id="LN4737">4737</td><td class="line"> </td></tr>
4824<tr><td class="num" id="LN4738">4738</td><td class="line"> </td></tr>
4825<tr><td class="num" id="LN4739">4739</td><td class="line"><span class='comment'>/*! Closes all file descriptors of the specified I/O context that</span></td></tr>
4826<tr><td class="num" id="LN4740">4740</td><td class="line"> <span class='comment'>have the O_CLOEXEC flag set.</span></td></tr>
4827<tr><td class="num" id="LN4741">4741</td><td class="line"><span class='comment'>*/</span></td></tr>
4828<tr><td class="num" id="LN4742">4742</td><td class="line"><span class='keyword'>void</span></td></tr>
4829<tr><td class="num" id="LN4743">4743</td><td class="line">vfs_exec_io_context(io_context* context)</td></tr>
4830<tr><td class="num" id="LN4744">4744</td><td class="line">{</td></tr>
4831<tr><td class="num" id="LN4745">4745</td><td class="line"> uint32 i;</td></tr>
4832<tr><td class="num" id="LN4746">4746</td><td class="line"> </td></tr>
4833<tr><td class="num" id="LN4747">4747</td><td class="line"> <span class='keyword'>for</span> (i = 0; i &lt; context-&gt;table_size; i++) {</td></tr>
4834<tr><td class="num" id="LN4748">4748</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
4835<tr><td class="num" id="LN4749">4749</td><td class="line"> </td></tr>
4836<tr><td class="num" id="LN4750">4750</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor = context-&gt;fds[i];</td></tr>
4837<tr><td class="num" id="LN4751">4751</td><td class="line"> <span class='keyword'>bool</span> remove = <span class='keyword'>false</span>;</td></tr>
4838<tr><td class="num" id="LN4752">4752</td><td class="line"> </td></tr>
4839<tr><td class="num" id="LN4753">4753</td><td class="line"> <span class='keyword'>if</span> (descriptor != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; fd_close_on_exec(context, i)) {</td></tr>
4840<tr><td class="num" id="LN4754">4754</td><td class="line"> context-&gt;fds[i] = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
4841<tr><td class="num" id="LN4755">4755</td><td class="line"> context-&gt;num_used_fds--;</td></tr>
4842<tr><td class="num" id="LN4756">4756</td><td class="line"> </td></tr>
4843<tr><td class="num" id="LN4757">4757</td><td class="line"> remove = <span class='keyword'>true</span>;</td></tr>
4844<tr><td class="num" id="LN4758">4758</td><td class="line"> }</td></tr>
4845<tr><td class="num" id="LN4759">4759</td><td class="line"> </td></tr>
4846<tr><td class="num" id="LN4760">4760</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
4847<tr><td class="num" id="LN4761">4761</td><td class="line"> </td></tr>
4848<tr><td class="num" id="LN4762">4762</td><td class="line"> <span class='keyword'>if</span> (remove) {</td></tr>
4849<tr><td class="num" id="LN4763">4763</td><td class="line"> close_fd(descriptor);</td></tr>
4850<tr><td class="num" id="LN4764">4764</td><td class="line"> put_fd(descriptor);</td></tr>
4851<tr><td class="num" id="LN4765">4765</td><td class="line"> }</td></tr>
4852<tr><td class="num" id="LN4766">4766</td><td class="line"> }</td></tr>
4853<tr><td class="num" id="LN4767">4767</td><td class="line">}</td></tr>
4854<tr><td class="num" id="LN4768">4768</td><td class="line"> </td></tr>
4855<tr><td class="num" id="LN4769">4769</td><td class="line"> </td></tr>
4856<tr><td class="num" id="LN4770">4770</td><td class="line"><span class='comment'>/*! Sets up a new io_control structure, and inherits the properties</span></td></tr>
4857<tr><td class="num" id="LN4771">4771</td><td class="line"> <span class='comment'>of the parent io_control if it is given.</span></td></tr>
4858<tr><td class="num" id="LN4772">4772</td><td class="line"><span class='comment'>*/</span></td></tr>
4859<tr><td class="num" id="LN4773">4773</td><td class="line">io_context*</td></tr>
4860<tr><td class="num" id="LN4774">4774</td><td class="line">vfs_new_io_context(io_context* parentContext, <span class='keyword'>bool</span> purgeCloseOnExec)</td></tr>
4861<tr><td class="num" id="LN4775">4775</td><td class="line">{</td></tr>
4862<tr><td class="num" id="LN4776">4776</td><td class="line"> io_context* context = (io_context*)malloc(<span class='keyword'>sizeof</span>(io_context));</td></tr>
4863<tr><td class="num" id="LN4777">4777</td><td class="line"> <span class='keyword'>if</span> (context == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
4864<tr><td class="num" id="LN4778">4778</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
4865<tr><td class="num" id="LN4779">4779</td><td class="line"> </td></tr>
4866<tr><td class="num" id="LN4780">4780</td><td class="line"> TIOC(NewIOContext(context, parentContext));</td></tr>
4867<tr><td class="num" id="LN4781">4781</td><td class="line"> </td></tr>
4868<tr><td class="num" id="LN4782">4782</td><td class="line"> memset(context, 0, <span class='keyword'>sizeof</span>(io_context));</td></tr>
4869<tr><td class="num" id="LN4783">4783</td><td class="line"> context-&gt;ref_count = 1;</td></tr>
4870<tr><td class="num" id="LN4784">4784</td><td class="line"> </td></tr>
4871<tr><td class="num" id="LN4785">4785</td><td class="line"> MutexLocker parentLocker;</td></tr>
4872<tr><td class="num" id="LN4786">4786</td><td class="line"> </td></tr>
4873<tr><td class="num" id="LN4787">4787</td><td class="line"> size_t tableSize;</td></tr>
4874<tr><td class="num" id="LN4788">4788</td><td class="line"> <span class='keyword'>if</span> (parentContext) {</td></tr>
4875<tr><td class="num" id="LN4789">4789</td><td class="line"> parentLocker.SetTo(parentContext-&gt;io_mutex, <span class='keyword'>false</span>);</td></tr>
4876<tr><td class="num" id="LN4790">4790</td><td class="line"> tableSize = parentContext-&gt;table_size;</td></tr>
4877<tr><td class="num" id="LN4791">4791</td><td class="line"> } <span class='keyword'>else</span></td></tr>
4878<tr><td class="num" id="LN4792">4792</td><td class="line"> tableSize = <span class='macro'>DEFAULT_FD_TABLE_SIZE<span class='expansion'>256</span></span>;</td></tr>
4879<tr><td class="num" id="LN4793">4793</td><td class="line"> </td></tr>
4880<tr><td class="num" id="LN4794">4794</td><td class="line"> <span class='comment'>// allocate space for FDs and their close-on-exec flag</span></td></tr>
4881<tr><td class="num" id="LN4795">4795</td><td class="line"> context-&gt;fds = (file_descriptor**)malloc(</td></tr>
4882<tr><td class="num" id="LN4796">4796</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> file_descriptor*) * tableSize</td></tr>
4883<tr><td class="num" id="LN4797">4797</td><td class="line"> + <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> select_sync*) * tableSize</td></tr>
4884<tr><td class="num" id="LN4798">4798</td><td class="line"> + (tableSize + 7) / 8);</td></tr>
4885<tr><td class="num" id="LN4799">4799</td><td class="line"> <span class='keyword'>if</span> (context-&gt;fds == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
4886<tr><td class="num" id="LN4800">4800</td><td class="line"> free(context);</td></tr>
4887<tr><td class="num" id="LN4801">4801</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
4888<tr><td class="num" id="LN4802">4802</td><td class="line"> }</td></tr>
4889<tr><td class="num" id="LN4803">4803</td><td class="line"> </td></tr>
4890<tr><td class="num" id="LN4804">4804</td><td class="line"> context-&gt;select_infos = (select_info**)(context-&gt;fds + tableSize);</td></tr>
4891<tr><td class="num" id="LN4805">4805</td><td class="line"> context-&gt;fds_close_on_exec = (uint8*)(context-&gt;select_infos + tableSize);</td></tr>
4892<tr><td class="num" id="LN4806">4806</td><td class="line"> </td></tr>
4893<tr><td class="num" id="LN4807">4807</td><td class="line"> memset(context-&gt;fds, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> file_descriptor*) * tableSize</td></tr>
4894<tr><td class="num" id="LN4808">4808</td><td class="line"> + <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> select_sync*) * tableSize</td></tr>
4895<tr><td class="num" id="LN4809">4809</td><td class="line"> + (tableSize + 7) / 8);</td></tr>
4896<tr><td class="num" id="LN4810">4810</td><td class="line"> </td></tr>
4897<tr><td class="num" id="LN4811">4811</td><td class="line"> mutex_init(&amp;context-&gt;io_mutex, <span class='string_literal'>"I/O context"</span>);</td></tr>
4898<tr><td class="num" id="LN4812">4812</td><td class="line"> </td></tr>
4899<tr><td class="num" id="LN4813">4813</td><td class="line"> <span class='comment'>// Copy all parent file descriptors</span></td></tr>
4900<tr><td class="num" id="LN4814">4814</td><td class="line"> </td></tr>
4901<tr><td class="num" id="LN4815">4815</td><td class="line"> <span class='keyword'>if</span> (parentContext) {</td></tr>
4902<tr><td class="num" id="LN4816">4816</td><td class="line"> size_t i;</td></tr>
4903<tr><td class="num" id="LN4817">4817</td><td class="line"> </td></tr>
4904<tr><td class="num" id="LN4818">4818</td><td class="line"> mutex_lock(&amp;sIOContextRootLock);</td></tr>
4905<tr><td class="num" id="LN4819">4819</td><td class="line"> context-&gt;root = parentContext-&gt;root;</td></tr>
4906<tr><td class="num" id="LN4820">4820</td><td class="line"> <span class='keyword'>if</span> (context-&gt;root)</td></tr>
4907<tr><td class="num" id="LN4821">4821</td><td class="line"> inc_vnode_ref_count(context-&gt;root);</td></tr>
4908<tr><td class="num" id="LN4822">4822</td><td class="line"> mutex_unlock(&amp;sIOContextRootLock);</td></tr>
4909<tr><td class="num" id="LN4823">4823</td><td class="line"> </td></tr>
4910<tr><td class="num" id="LN4824">4824</td><td class="line"> context-&gt;cwd = parentContext-&gt;cwd;</td></tr>
4911<tr><td class="num" id="LN4825">4825</td><td class="line"> <span class='keyword'>if</span> (context-&gt;cwd)</td></tr>
4912<tr><td class="num" id="LN4826">4826</td><td class="line"> inc_vnode_ref_count(context-&gt;cwd);</td></tr>
4913<tr><td class="num" id="LN4827">4827</td><td class="line"> </td></tr>
4914<tr><td class="num" id="LN4828">4828</td><td class="line"> <span class='keyword'>for</span> (i = 0; i &lt; tableSize; i++) {</td></tr>
4915<tr><td class="num" id="LN4829">4829</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor = parentContext-&gt;fds[i];</td></tr>
4916<tr><td class="num" id="LN4830">4830</td><td class="line"> </td></tr>
4917<tr><td class="num" id="LN4831">4831</td><td class="line"> <span class='keyword'>if</span> (descriptor != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
4918<tr><td class="num" id="LN4832">4832</td><td class="line"> <span class='keyword'>bool</span> closeOnExec = fd_close_on_exec(parentContext, i);</td></tr>
4919<tr><td class="num" id="LN4833">4833</td><td class="line"> <span class='keyword'>if</span> (closeOnExec &amp;&amp; purgeCloseOnExec)</td></tr>
4920<tr><td class="num" id="LN4834">4834</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
4921<tr><td class="num" id="LN4835">4835</td><td class="line"> </td></tr>
4922<tr><td class="num" id="LN4836">4836</td><td class="line"> TFD(InheritFD(context, i, descriptor, parentContext));</td></tr>
4923<tr><td class="num" id="LN4837">4837</td><td class="line"> </td></tr>
4924<tr><td class="num" id="LN4838">4838</td><td class="line"> context-&gt;fds[i] = descriptor;</td></tr>
4925<tr><td class="num" id="LN4839">4839</td><td class="line"> context-&gt;num_used_fds++;</td></tr>
4926<tr><td class="num" id="LN4840">4840</td><td class="line"> <span class='macro'>atomic_add(&amp;descriptor-&gt;ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&amp;descriptor-&gt;ref_count, 1)</span></span>;</td></tr>
4927<tr><td class="num" id="LN4841">4841</td><td class="line"> <span class='macro'>atomic_add(&amp;descriptor-&gt;open_count, 1)<span class='expansion'>__sync_fetch_and_add(&amp;descriptor-&gt;open_count, 1)</span></span>;</td></tr>
4928<tr><td class="num" id="LN4842">4842</td><td class="line"> </td></tr>
4929<tr><td class="num" id="LN4843">4843</td><td class="line"> <span class='keyword'>if</span> (closeOnExec)</td></tr>
4930<tr><td class="num" id="LN4844">4844</td><td class="line"> fd_set_close_on_exec(context, i, <span class='keyword'>true</span>);</td></tr>
4931<tr><td class="num" id="LN4845">4845</td><td class="line"> }</td></tr>
4932<tr><td class="num" id="LN4846">4846</td><td class="line"> }</td></tr>
4933<tr><td class="num" id="LN4847">4847</td><td class="line"> </td></tr>
4934<tr><td class="num" id="LN4848">4848</td><td class="line"> parentLocker.Unlock();</td></tr>
4935<tr><td class="num" id="LN4849">4849</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
4936<tr><td class="num" id="LN4850">4850</td><td class="line"> context-&gt;root = sRoot;</td></tr>
4937<tr><td class="num" id="LN4851">4851</td><td class="line"> context-&gt;cwd = sRoot;</td></tr>
4938<tr><td class="num" id="LN4852">4852</td><td class="line"> </td></tr>
4939<tr><td class="num" id="LN4853">4853</td><td class="line"> <span class='keyword'>if</span> (context-&gt;root)</td></tr>
4940<tr><td class="num" id="LN4854">4854</td><td class="line"> inc_vnode_ref_count(context-&gt;root);</td></tr>
4941<tr><td class="num" id="LN4855">4855</td><td class="line"> </td></tr>
4942<tr><td class="num" id="LN4856">4856</td><td class="line"> <span class='keyword'>if</span> (context-&gt;cwd)</td></tr>
4943<tr><td class="num" id="LN4857">4857</td><td class="line"> inc_vnode_ref_count(context-&gt;cwd);</td></tr>
4944<tr><td class="num" id="LN4858">4858</td><td class="line"> }</td></tr>
4945<tr><td class="num" id="LN4859">4859</td><td class="line"> </td></tr>
4946<tr><td class="num" id="LN4860">4860</td><td class="line"> context-&gt;table_size = tableSize;</td></tr>
4947<tr><td class="num" id="LN4861">4861</td><td class="line"> </td></tr>
4948<tr><td class="num" id="LN4862">4862</td><td class="line"> list_init(&amp;context-&gt;node_monitors);</td></tr>
4949<tr><td class="num" id="LN4863">4863</td><td class="line"> context-&gt;max_monitors = <span class='macro'>DEFAULT_NODE_MONITORS<span class='expansion'>4096</span></span>;</td></tr>
4950<tr><td class="num" id="LN4864">4864</td><td class="line"> </td></tr>
4951<tr><td class="num" id="LN4865">4865</td><td class="line"> <span class='keyword'>return</span> context;</td></tr>
4952<tr><td class="num" id="LN4866">4866</td><td class="line">}</td></tr>
4953<tr><td class="num" id="LN4867">4867</td><td class="line"> </td></tr>
4954<tr><td class="num" id="LN4868">4868</td><td class="line"> </td></tr>
4955<tr><td class="num" id="LN4869">4869</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
4956<tr><td class="num" id="LN4870">4870</td><td class="line">vfs_free_io_context(io_context* context)</td></tr>
4957<tr><td class="num" id="LN4871">4871</td><td class="line">{</td></tr>
4958<tr><td class="num" id="LN4872">4872</td><td class="line"> uint32 i;</td></tr>
4959<tr><td class="num" id="LN4873">4873</td><td class="line"> </td></tr>
4960<tr><td class="num" id="LN4874">4874</td><td class="line"> TIOC(FreeIOContext(context));</td></tr>
4961<tr><td class="num" id="LN4875">4875</td><td class="line"> </td></tr>
4962<tr><td class="num" id="LN4876">4876</td><td class="line"> <span class='keyword'>if</span> (context-&gt;root)</td></tr>
4963<tr><td class="num" id="LN4877">4877</td><td class="line"> put_vnode(context-&gt;root);</td></tr>
4964<tr><td class="num" id="LN4878">4878</td><td class="line"> </td></tr>
4965<tr><td class="num" id="LN4879">4879</td><td class="line"> <span class='keyword'>if</span> (context-&gt;cwd)</td></tr>
4966<tr><td class="num" id="LN4880">4880</td><td class="line"> put_vnode(context-&gt;cwd);</td></tr>
4967<tr><td class="num" id="LN4881">4881</td><td class="line"> </td></tr>
4968<tr><td class="num" id="LN4882">4882</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
4969<tr><td class="num" id="LN4883">4883</td><td class="line"> </td></tr>
4970<tr><td class="num" id="LN4884">4884</td><td class="line"> <span class='keyword'>for</span> (i = 0; i &lt; context-&gt;table_size; i++) {</td></tr>
4971<tr><td class="num" id="LN4885">4885</td><td class="line"> <span class='keyword'>if</span> (<span class='keyword'>struct</span> file_descriptor* descriptor = context-&gt;fds[i]) {</td></tr>
4972<tr><td class="num" id="LN4886">4886</td><td class="line"> close_fd(descriptor);</td></tr>
4973<tr><td class="num" id="LN4887">4887</td><td class="line"> put_fd(descriptor);</td></tr>
4974<tr><td class="num" id="LN4888">4888</td><td class="line"> }</td></tr>
4975<tr><td class="num" id="LN4889">4889</td><td class="line"> }</td></tr>
4976<tr><td class="num" id="LN4890">4890</td><td class="line"> </td></tr>
4977<tr><td class="num" id="LN4891">4891</td><td class="line"> mutex_destroy(&amp;context-&gt;io_mutex);</td></tr>
4978<tr><td class="num" id="LN4892">4892</td><td class="line"> </td></tr>
4979<tr><td class="num" id="LN4893">4893</td><td class="line"> remove_node_monitors(context);</td></tr>
4980<tr><td class="num" id="LN4894">4894</td><td class="line"> free(context-&gt;fds);</td></tr>
4981<tr><td class="num" id="LN4895">4895</td><td class="line"> free(context);</td></tr>
4982<tr><td class="num" id="LN4896">4896</td><td class="line"> </td></tr>
4983<tr><td class="num" id="LN4897">4897</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
4984<tr><td class="num" id="LN4898">4898</td><td class="line">}</td></tr>
4985<tr><td class="num" id="LN4899">4899</td><td class="line"> </td></tr>
4986<tr><td class="num" id="LN4900">4900</td><td class="line"> </td></tr>
4987<tr><td class="num" id="LN4901">4901</td><td class="line"><span class='keyword'>void</span></td></tr>
4988<tr><td class="num" id="LN4902">4902</td><td class="line">vfs_get_io_context(io_context* context)</td></tr>
4989<tr><td class="num" id="LN4903">4903</td><td class="line">{</td></tr>
4990<tr><td class="num" id="LN4904">4904</td><td class="line"> <span class='macro'>atomic_add(&amp;context-&gt;ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&amp;context-&gt;ref_count, 1)</span></span>;</td></tr>
4991<tr><td class="num" id="LN4905">4905</td><td class="line">}</td></tr>
4992<tr><td class="num" id="LN4906">4906</td><td class="line"> </td></tr>
4993<tr><td class="num" id="LN4907">4907</td><td class="line"> </td></tr>
4994<tr><td class="num" id="LN4908">4908</td><td class="line"><span class='keyword'>void</span></td></tr>
4995<tr><td class="num" id="LN4909">4909</td><td class="line">vfs_put_io_context(io_context* context)</td></tr>
4996<tr><td class="num" id="LN4910">4910</td><td class="line">{</td></tr>
4997<tr><td class="num" id="LN4911">4911</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>atomic_add(&amp;context-&gt;ref_count, -1)<span class='expansion'>__sync_fetch_and_add(&amp;context-&gt;ref_count, -1)</span></span> == 1)</td></tr>
4998<tr><td class="num" id="LN4912">4912</td><td class="line"> vfs_free_io_context(context);</td></tr>
4999<tr><td class="num" id="LN4913">4913</td><td class="line">}</td></tr>
5000<tr><td class="num" id="LN4914">4914</td><td class="line"> </td></tr>
5001<tr><td class="num" id="LN4915">4915</td><td class="line"> </td></tr>
5002<tr><td class="num" id="LN4916">4916</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5003<tr><td class="num" id="LN4917">4917</td><td class="line">vfs_resize_fd_table(<span class='keyword'>struct</span> io_context* context, <span class='keyword'>const</span> <span class='keyword'>int</span> newSize)</td></tr>
5004<tr><td class="num" id="LN4918">4918</td><td class="line">{</td></tr>
5005<tr><td class="num" id="LN4919">4919</td><td class="line"> <span class='keyword'>if</span> (newSize &lt;= 0 || newSize &gt; <span class='macro'>MAX_FD_TABLE_SIZE<span class='expansion'>8192</span></span>)</td></tr>
5006<tr><td class="num" id="LN4920">4920</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5007<tr><td class="num" id="LN4921">4921</td><td class="line"> </td></tr>
5008<tr><td class="num" id="LN4922">4922</td><td class="line"> TIOC(ResizeIOContext(context, newSize));</td></tr>
5009<tr><td class="num" id="LN4923">4923</td><td class="line"> </td></tr>
5010<tr><td class="num" id="LN4924">4924</td><td class="line"> MutexLocker _(context-&gt;io_mutex);</td></tr>
5011<tr><td class="num" id="LN4925">4925</td><td class="line"> </td></tr>
5012<tr><td class="num" id="LN4926">4926</td><td class="line"> <span class='keyword'>int</span> oldSize = context-&gt;table_size;</td></tr>
5013<tr><td class="num" id="LN4927">4927</td><td class="line"> <span class='keyword'>int</span> oldCloseOnExitBitmapSize = (oldSize + 7) / 8;</td></tr>
5014<tr><td class="num" id="LN4928">4928</td><td class="line"> <span class='keyword'>int</span> newCloseOnExitBitmapSize = (newSize + 7) / 8;</td></tr>
5015<tr><td class="num" id="LN4929">4929</td><td class="line"> </td></tr>
5016<tr><td class="num" id="LN4930">4930</td><td class="line"> <span class='comment'>// If the tables shrink, make sure none of the fds being dropped are in use.</span></td></tr>
5017<tr><td class="num" id="LN4931">4931</td><td class="line"> <span class='keyword'>if</span> (newSize &lt; oldSize) {</td></tr>
5018<tr><td class="num" id="LN4932">4932</td><td class="line"> <span class='keyword'>for</span> (<span class='keyword'>int</span> i = oldSize; i-- &gt; newSize;) {</td></tr>
5019<tr><td class="num" id="LN4933">4933</td><td class="line"> <span class='keyword'>if</span> (context-&gt;fds[i])</td></tr>
5020<tr><td class="num" id="LN4934">4934</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
5021<tr><td class="num" id="LN4935">4935</td><td class="line"> }</td></tr>
5022<tr><td class="num" id="LN4936">4936</td><td class="line"> }</td></tr>
5023<tr><td class="num" id="LN4937">4937</td><td class="line"> </td></tr>
5024<tr><td class="num" id="LN4938">4938</td><td class="line"> <span class='comment'>// store pointers to the old tables</span></td></tr>
5025<tr><td class="num" id="LN4939">4939</td><td class="line"> file_descriptor** oldFDs = context-&gt;fds;</td></tr>
5026<tr><td class="num" id="LN4940">4940</td><td class="line"> select_info** oldSelectInfos = context-&gt;select_infos;</td></tr>
5027<tr><td class="num" id="LN4941">4941</td><td class="line"> uint8* oldCloseOnExecTable = context-&gt;fds_close_on_exec;</td></tr>
5028<tr><td class="num" id="LN4942">4942</td><td class="line"> </td></tr>
5029<tr><td class="num" id="LN4943">4943</td><td class="line"> <span class='comment'>// allocate new tables</span></td></tr>
5030<tr><td class="num" id="LN4944">4944</td><td class="line"> file_descriptor** newFDs = (file_descriptor**)malloc(</td></tr>
5031<tr><td class="num" id="LN4945">4945</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> file_descriptor*) * newSize</td></tr>
5032<tr><td class="num" id="LN4946">4946</td><td class="line"> + <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> select_sync*) * newSize</td></tr>
5033<tr><td class="num" id="LN4947">4947</td><td class="line"> + newCloseOnExitBitmapSize);</td></tr>
5034<tr><td class="num" id="LN4948">4948</td><td class="line"> <span class='keyword'>if</span> (newFDs == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
5035<tr><td class="num" id="LN4949">4949</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
5036<tr><td class="num" id="LN4950">4950</td><td class="line"> </td></tr>
5037<tr><td class="num" id="LN4951">4951</td><td class="line"> context-&gt;fds = newFDs;</td></tr>
5038<tr><td class="num" id="LN4952">4952</td><td class="line"> context-&gt;select_infos = (select_info**)(context-&gt;fds + newSize);</td></tr>
5039<tr><td class="num" id="LN4953">4953</td><td class="line"> context-&gt;fds_close_on_exec = (uint8*)(context-&gt;select_infos + newSize);</td></tr>
5040<tr><td class="num" id="LN4954">4954</td><td class="line"> context-&gt;table_size = newSize;</td></tr>
5041<tr><td class="num" id="LN4955">4955</td><td class="line"> </td></tr>
5042<tr><td class="num" id="LN4956">4956</td><td class="line"> <span class='comment'>// copy entries from old tables</span></td></tr>
5043<tr><td class="num" id="LN4957">4957</td><td class="line"> <span class='keyword'>int</span> toCopy = <span class='macro'>min_c(oldSize, newSize)<span class='expansion'>((oldSize)&gt;(newSize)?(newSize):(oldSize))</span></span>;</td></tr>
5044<tr><td class="num" id="LN4958">4958</td><td class="line"> </td></tr>
5045<tr><td class="num" id="LN4959">4959</td><td class="line"> memcpy(context-&gt;fds, oldFDs, <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * toCopy);</td></tr>
5046<tr><td class="num" id="LN4960">4960</td><td class="line"> memcpy(context-&gt;select_infos, oldSelectInfos, <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * toCopy);</td></tr>
5047<tr><td class="num" id="LN4961">4961</td><td class="line"> memcpy(context-&gt;fds_close_on_exec, oldCloseOnExecTable,</td></tr>
5048<tr><td class="num" id="LN4962">4962</td><td class="line"> <span class='macro'>min_c(oldCloseOnExitBitmapSize, newCloseOnExitBitmapSize)<span class='expansion'>((oldCloseOnExitBitmapSize)&gt;(newCloseOnExitBitmapSize)?(newCloseOnExitBitmapSize<br>):(oldCloseOnExitBitmapSize))</span></span>);</td></tr>
5049<tr><td class="num" id="LN4963">4963</td><td class="line"> </td></tr>
5050<tr><td class="num" id="LN4964">4964</td><td class="line"> <span class='comment'>// clear additional entries, if the tables grow</span></td></tr>
5051<tr><td class="num" id="LN4965">4965</td><td class="line"> <span class='keyword'>if</span> (newSize &gt; oldSize) {</td></tr>
5052<tr><td class="num" id="LN4966">4966</td><td class="line"> memset(context-&gt;fds + oldSize, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * (newSize - oldSize));</td></tr>
5053<tr><td class="num" id="LN4967">4967</td><td class="line"> memset(context-&gt;select_infos + oldSize, 0,</td></tr>
5054<tr><td class="num" id="LN4968">4968</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>void</span>*) * (newSize - oldSize));</td></tr>
5055<tr><td class="num" id="LN4969">4969</td><td class="line"> memset(context-&gt;fds_close_on_exec + oldCloseOnExitBitmapSize, 0,</td></tr>
5056<tr><td class="num" id="LN4970">4970</td><td class="line"> newCloseOnExitBitmapSize - oldCloseOnExitBitmapSize);</td></tr>
5057<tr><td class="num" id="LN4971">4971</td><td class="line"> }</td></tr>
5058<tr><td class="num" id="LN4972">4972</td><td class="line"> </td></tr>
5059<tr><td class="num" id="LN4973">4973</td><td class="line"> free(oldFDs);</td></tr>
5060<tr><td class="num" id="LN4974">4974</td><td class="line"> </td></tr>
5061<tr><td class="num" id="LN4975">4975</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5062<tr><td class="num" id="LN4976">4976</td><td class="line">}</td></tr>
5063<tr><td class="num" id="LN4977">4977</td><td class="line"> </td></tr>
5064<tr><td class="num" id="LN4978">4978</td><td class="line"> </td></tr>
5065<tr><td class="num" id="LN4979">4979</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5066<tr><td class="num" id="LN4980">4980</td><td class="line">vfs_resize_monitor_table(<span class='keyword'>struct</span> io_context* context, <span class='keyword'>const</span> <span class='keyword'>int</span> newSize)</td></tr>
5067<tr><td class="num" id="LN4981">4981</td><td class="line">{</td></tr>
5068<tr><td class="num" id="LN4982">4982</td><td class="line"> <span class='keyword'>int</span> status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5069<tr><td class="num" id="LN4983">4983</td><td class="line"> </td></tr>
5070<tr><td class="num" id="LN4984">4984</td><td class="line"> <span class='keyword'>if</span> (newSize &lt;= 0 || newSize &gt; <span class='macro'>MAX_NODE_MONITORS<span class='expansion'>65536</span></span>)</td></tr>
5071<tr><td class="num" id="LN4985">4985</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5072<tr><td class="num" id="LN4986">4986</td><td class="line"> </td></tr>
5073<tr><td class="num" id="LN4987">4987</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
5074<tr><td class="num" id="LN4988">4988</td><td class="line"> </td></tr>
5075<tr><td class="num" id="LN4989">4989</td><td class="line"> <span class='keyword'>if</span> ((size_t)newSize &lt; context-&gt;num_monitors) {</td></tr>
5076<tr><td class="num" id="LN4990">4990</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
5077<tr><td class="num" id="LN4991">4991</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
5078<tr><td class="num" id="LN4992">4992</td><td class="line"> }</td></tr>
5079<tr><td class="num" id="LN4993">4993</td><td class="line"> context-&gt;max_monitors = newSize;</td></tr>
5080<tr><td class="num" id="LN4994">4994</td><td class="line"> </td></tr>
5081<tr><td class="num" id="LN4995">4995</td><td class="line">out:</td></tr>
5082<tr><td class="num" id="LN4996">4996</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
5083<tr><td class="num" id="LN4997">4997</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5084<tr><td class="num" id="LN4998">4998</td><td class="line">}</td></tr>
5085<tr><td class="num" id="LN4999">4999</td><td class="line"> </td></tr>
5086<tr><td class="num" id="LN5000">5000</td><td class="line"> </td></tr>
5087<tr><td class="num" id="LN5001">5001</td><td class="line">status_t</td></tr>
5088<tr><td class="num" id="LN5002">5002</td><td class="line">vfs_get_mount_point(dev_t mountID, dev_t* _mountPointMountID,</td></tr>
5089<tr><td class="num" id="LN5003">5003</td><td class="line"> ino_t* _mountPointNodeID)</td></tr>
5090<tr><td class="num" id="LN5004">5004</td><td class="line">{</td></tr>
5091<tr><td class="num" id="LN5005">5005</td><td class="line"> ReadLocker nodeLocker(sVnodeLock);</td></tr>
5092<tr><td class="num" id="LN5006">5006</td><td class="line"> MutexLocker mountLocker(sMountMutex);</td></tr>
5093<tr><td class="num" id="LN5007">5007</td><td class="line"> </td></tr>
5094<tr><td class="num" id="LN5008">5008</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = find_mount(mountID);</td></tr>
5095<tr><td class="num" id="LN5009">5009</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
5096<tr><td class="num" id="LN5010">5010</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5097<tr><td class="num" id="LN5011">5011</td><td class="line"> </td></tr>
5098<tr><td class="num" id="LN5012">5012</td><td class="line"> Vnode* mountPoint = mount-&gt;covers_vnode;</td></tr>
5099<tr><td class="num" id="LN5013">5013</td><td class="line"> </td></tr>
5100<tr><td class="num" id="LN5014">5014</td><td class="line"> *_mountPointMountID = mountPoint-&gt;device;</td></tr>
5101<tr><td class="num" id="LN5015">5015</td><td class="line"> *_mountPointNodeID = mountPoint-&gt;id;</td></tr>
5102<tr><td class="num" id="LN5016">5016</td><td class="line"> </td></tr>
5103<tr><td class="num" id="LN5017">5017</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5104<tr><td class="num" id="LN5018">5018</td><td class="line">}</td></tr>
5105<tr><td class="num" id="LN5019">5019</td><td class="line"> </td></tr>
5106<tr><td class="num" id="LN5020">5020</td><td class="line"> </td></tr>
5107<tr><td class="num" id="LN5021">5021</td><td class="line">status_t</td></tr>
5108<tr><td class="num" id="LN5022">5022</td><td class="line">vfs_bind_mount_directory(dev_t mountID, ino_t nodeID, dev_t coveredMountID,</td></tr>
5109<tr><td class="num" id="LN5023">5023</td><td class="line"> ino_t coveredNodeID)</td></tr>
5110<tr><td class="num" id="LN5024">5024</td><td class="line">{</td></tr>
5111<tr><td class="num" id="LN5025">5025</td><td class="line"> <span class='comment'>// get the vnodes</span></td></tr>
5112<tr><td class="num" id="LN5026">5026</td><td class="line"> Vnode* vnode;</td></tr>
5113<tr><td class="num" id="LN5027">5027</td><td class="line"> status_t error = get_vnode(mountID, nodeID, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
5114<tr><td class="num" id="LN5028">5028</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5115<tr><td class="num" id="LN5029">5029</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5116<tr><td class="num" id="LN5030">5030</td><td class="line"> VNodePutter vnodePutter(vnode);</td></tr>
5117<tr><td class="num" id="LN5031">5031</td><td class="line"> </td></tr>
5118<tr><td class="num" id="LN5032">5032</td><td class="line"> Vnode* coveredVnode;</td></tr>
5119<tr><td class="num" id="LN5033">5033</td><td class="line"> error = get_vnode(coveredMountID, coveredNodeID, &amp;coveredVnode, <span class='keyword'>true</span>,</td></tr>
5120<tr><td class="num" id="LN5034">5034</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
5121<tr><td class="num" id="LN5035">5035</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5122<tr><td class="num" id="LN5036">5036</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5123<tr><td class="num" id="LN5037">5037</td><td class="line"> VNodePutter coveredVnodePutter(coveredVnode);</td></tr>
5124<tr><td class="num" id="LN5038">5038</td><td class="line"> </td></tr>
5125<tr><td class="num" id="LN5039">5039</td><td class="line"> <span class='comment'>// establish the covered/covering links</span></td></tr>
5126<tr><td class="num" id="LN5040">5040</td><td class="line"> WriteLocker locker(sVnodeLock);</td></tr>
5127<tr><td class="num" id="LN5041">5041</td><td class="line"> </td></tr>
5128<tr><td class="num" id="LN5042">5042</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;covers != <span class='macro'>NULL<span class='expansion'>__null</span></span> || coveredVnode-&gt;covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
5129<tr><td class="num" id="LN5043">5043</td><td class="line"> || vnode-&gt;mount-&gt;unmounting || coveredVnode-&gt;mount-&gt;unmounting) {</td></tr>
5130<tr><td class="num" id="LN5044">5044</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
5131<tr><td class="num" id="LN5045">5045</td><td class="line"> }</td></tr>
5132<tr><td class="num" id="LN5046">5046</td><td class="line"> </td></tr>
5133<tr><td class="num" id="LN5047">5047</td><td class="line"> vnode-&gt;covers = coveredVnode;</td></tr>
5134<tr><td class="num" id="LN5048">5048</td><td class="line"> vnode-&gt;SetCovering(<span class='keyword'>true</span>);</td></tr>
5135<tr><td class="num" id="LN5049">5049</td><td class="line"> </td></tr>
5136<tr><td class="num" id="LN5050">5050</td><td class="line"> coveredVnode-&gt;covered_by = vnode;</td></tr>
5137<tr><td class="num" id="LN5051">5051</td><td class="line"> coveredVnode-&gt;SetCovered(<span class='keyword'>true</span>);</td></tr>
5138<tr><td class="num" id="LN5052">5052</td><td class="line"> </td></tr>
5139<tr><td class="num" id="LN5053">5053</td><td class="line"> <span class='comment'>// the vnodes do now reference each other</span></td></tr>
5140<tr><td class="num" id="LN5054">5054</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
5141<tr><td class="num" id="LN5055">5055</td><td class="line"> inc_vnode_ref_count(coveredVnode);</td></tr>
5142<tr><td class="num" id="LN5056">5056</td><td class="line"> </td></tr>
5143<tr><td class="num" id="LN5057">5057</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5144<tr><td class="num" id="LN5058">5058</td><td class="line">}</td></tr>
5145<tr><td class="num" id="LN5059">5059</td><td class="line"> </td></tr>
5146<tr><td class="num" id="LN5060">5060</td><td class="line"> </td></tr>
5147<tr><td class="num" id="LN5061">5061</td><td class="line"><span class='keyword'>int</span></td></tr>
5148<tr><td class="num" id="LN5062">5062</td><td class="line">vfs_getrlimit(<span class='keyword'>int</span> resource, <span class='keyword'>struct</span> rlimit* rlp)</td></tr>
5149<tr><td class="num" id="LN5063">5063</td><td class="line">{</td></tr>
5150<tr><td class="num" id="LN5064">5064</td><td class="line"> <span class='keyword'>if</span> (!rlp)</td></tr>
5151<tr><td class="num" id="LN5065">5065</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
5152<tr><td class="num" id="LN5066">5066</td><td class="line"> </td></tr>
5153<tr><td class="num" id="LN5067">5067</td><td class="line"> <span class='keyword'>switch</span> (resource) {</td></tr>
5154<tr><td class="num" id="LN5068">5068</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOFILE<span class='expansion'>4</span></span>:</td></tr>
5155<tr><td class="num" id="LN5069">5069</td><td class="line"> {</td></tr>
5156<tr><td class="num" id="LN5070">5070</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
5157<tr><td class="num" id="LN5071">5071</td><td class="line"> MutexLocker _(context-&gt;io_mutex);</td></tr>
5158<tr><td class="num" id="LN5072">5072</td><td class="line"> </td></tr>
5159<tr><td class="num" id="LN5073">5073</td><td class="line"> rlp-&gt;rlim_cur = context-&gt;table_size;</td></tr>
5160<tr><td class="num" id="LN5074">5074</td><td class="line"> rlp-&gt;rlim_max = <span class='macro'>MAX_FD_TABLE_SIZE<span class='expansion'>8192</span></span>;</td></tr>
5161<tr><td class="num" id="LN5075">5075</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
5162<tr><td class="num" id="LN5076">5076</td><td class="line"> }</td></tr>
5163<tr><td class="num" id="LN5077">5077</td><td class="line"> </td></tr>
5164<tr><td class="num" id="LN5078">5078</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOVMON<span class='expansion'>7</span></span>:</td></tr>
5165<tr><td class="num" id="LN5079">5079</td><td class="line"> {</td></tr>
5166<tr><td class="num" id="LN5080">5080</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
5167<tr><td class="num" id="LN5081">5081</td><td class="line"> MutexLocker _(context-&gt;io_mutex);</td></tr>
5168<tr><td class="num" id="LN5082">5082</td><td class="line"> </td></tr>
5169<tr><td class="num" id="LN5083">5083</td><td class="line"> rlp-&gt;rlim_cur = context-&gt;max_monitors;</td></tr>
5170<tr><td class="num" id="LN5084">5084</td><td class="line"> rlp-&gt;rlim_max = <span class='macro'>MAX_NODE_MONITORS<span class='expansion'>65536</span></span>;</td></tr>
5171<tr><td class="num" id="LN5085">5085</td><td class="line"> <span class='keyword'>return</span> 0;</td></tr>
5172<tr><td class="num" id="LN5086">5086</td><td class="line"> }</td></tr>
5173<tr><td class="num" id="LN5087">5087</td><td class="line"> </td></tr>
5174<tr><td class="num" id="LN5088">5088</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
5175<tr><td class="num" id="LN5089">5089</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5176<tr><td class="num" id="LN5090">5090</td><td class="line"> }</td></tr>
5177<tr><td class="num" id="LN5091">5091</td><td class="line">}</td></tr>
5178<tr><td class="num" id="LN5092">5092</td><td class="line"> </td></tr>
5179<tr><td class="num" id="LN5093">5093</td><td class="line"> </td></tr>
5180<tr><td class="num" id="LN5094">5094</td><td class="line"><span class='keyword'>int</span></td></tr>
5181<tr><td class="num" id="LN5095">5095</td><td class="line">vfs_setrlimit(<span class='keyword'>int</span> resource, <span class='keyword'>const</span> <span class='keyword'>struct</span> rlimit* rlp)</td></tr>
5182<tr><td class="num" id="LN5096">5096</td><td class="line">{</td></tr>
5183<tr><td class="num" id="LN5097">5097</td><td class="line"> <span class='keyword'>if</span> (!rlp)</td></tr>
5184<tr><td class="num" id="LN5098">5098</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
5185<tr><td class="num" id="LN5099">5099</td><td class="line"> </td></tr>
5186<tr><td class="num" id="LN5100">5100</td><td class="line"> <span class='keyword'>switch</span> (resource) {</td></tr>
5187<tr><td class="num" id="LN5101">5101</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOFILE<span class='expansion'>4</span></span>:</td></tr>
5188<tr><td class="num" id="LN5102">5102</td><td class="line"> <span class='comment'>/* TODO: check getuid() */</span></td></tr>
5189<tr><td class="num" id="LN5103">5103</td><td class="line"> <span class='keyword'>if</span> (rlp-&gt;rlim_max != <span class='macro'>RLIM_SAVED_MAX<span class='expansion'>(0xffffffffUL)</span></span></td></tr>
5190<tr><td class="num" id="LN5104">5104</td><td class="line"> &amp;&amp; rlp-&gt;rlim_max != <span class='macro'>MAX_FD_TABLE_SIZE<span class='expansion'>8192</span></span>)</td></tr>
5191<tr><td class="num" id="LN5105">5105</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
5192<tr><td class="num" id="LN5106">5106</td><td class="line"> </td></tr>
5193<tr><td class="num" id="LN5107">5107</td><td class="line"> <span class='keyword'>return</span> vfs_resize_fd_table(get_current_io_context(<span class='keyword'>false</span>),</td></tr>
5194<tr><td class="num" id="LN5108">5108</td><td class="line"> rlp-&gt;rlim_cur);</td></tr>
5195<tr><td class="num" id="LN5109">5109</td><td class="line"> </td></tr>
5196<tr><td class="num" id="LN5110">5110</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>RLIMIT_NOVMON<span class='expansion'>7</span></span>:</td></tr>
5197<tr><td class="num" id="LN5111">5111</td><td class="line"> <span class='comment'>/* TODO: check getuid() */</span></td></tr>
5198<tr><td class="num" id="LN5112">5112</td><td class="line"> <span class='keyword'>if</span> (rlp-&gt;rlim_max != <span class='macro'>RLIM_SAVED_MAX<span class='expansion'>(0xffffffffUL)</span></span></td></tr>
5199<tr><td class="num" id="LN5113">5113</td><td class="line"> &amp;&amp; rlp-&gt;rlim_max != <span class='macro'>MAX_NODE_MONITORS<span class='expansion'>65536</span></span>)</td></tr>
5200<tr><td class="num" id="LN5114">5114</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
5201<tr><td class="num" id="LN5115">5115</td><td class="line"> </td></tr>
5202<tr><td class="num" id="LN5116">5116</td><td class="line"> <span class='keyword'>return</span> vfs_resize_monitor_table(get_current_io_context(<span class='keyword'>false</span>),</td></tr>
5203<tr><td class="num" id="LN5117">5117</td><td class="line"> rlp-&gt;rlim_cur);</td></tr>
5204<tr><td class="num" id="LN5118">5118</td><td class="line"> </td></tr>
5205<tr><td class="num" id="LN5119">5119</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
5206<tr><td class="num" id="LN5120">5120</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5207<tr><td class="num" id="LN5121">5121</td><td class="line"> }</td></tr>
5208<tr><td class="num" id="LN5122">5122</td><td class="line">}</td></tr>
5209<tr><td class="num" id="LN5123">5123</td><td class="line"> </td></tr>
5210<tr><td class="num" id="LN5124">5124</td><td class="line"> </td></tr>
5211<tr><td class="num" id="LN5125">5125</td><td class="line">status_t</td></tr>
5212<tr><td class="num" id="LN5126">5126</td><td class="line">vfs_init(kernel_args* args)</td></tr>
5213<tr><td class="num" id="LN5127">5127</td><td class="line">{</td></tr>
5214<tr><td class="num" id="LN5128">5128</td><td class="line"> vnode::StaticInit();</td></tr>
5215<tr><td class="num" id="LN5129">5129</td><td class="line"> </td></tr>
5216<tr><td class="num" id="LN5130">5130</td><td class="line"> <span class='keyword'>struct</span> vnode dummyVnode;</td></tr>
5217<tr><td class="num" id="LN5131">5131</td><td class="line"> sVnodeTable = hash_init(<span class='macro'>VNODE_HASH_TABLE_SIZE<span class='expansion'>1024</span></span>,</td></tr>
5218<tr><td class="num" id="LN5132">5132</td><td class="line"> <span class='macro'>offset_of_member(dummyVnode, next)<span class='expansion'>((size_t)((char*)&amp;dummyVnode.next - (char*)&amp;dummyVnode<br>))</span></span>, &amp;vnode_compare, &amp;vnode_hash);</td></tr>
5219<tr><td class="num" id="LN5133">5133</td><td class="line"> <span class='keyword'>if</span> (sVnodeTable == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
5220<tr><td class="num" id="LN5134">5134</td><td class="line"> panic(<span class='string_literal'>"vfs_init: error creating vnode hash table\n"</span>);</td></tr>
5221<tr><td class="num" id="LN5135">5135</td><td class="line"> </td></tr>
5222<tr><td class="num" id="LN5136">5136</td><td class="line"> list_init_etc(&amp;sUnusedVnodeList, <span class='macro'>offset_of_member(dummyVnode, unused_link)<span class='expansion'>((size_t)((char*)&amp;dummyVnode.unused_link - (char*)&amp;dummyVnode<br>))</span></span>);</td></tr>
5223<tr><td class="num" id="LN5137">5137</td><td class="line"> </td></tr>
5224<tr><td class="num" id="LN5138">5138</td><td class="line"> <span class='keyword'>struct</span> fs_mount dummyMount;</td></tr>
5225<tr><td class="num" id="LN5139">5139</td><td class="line"> sMountsTable = hash_init(<span class='macro'>MOUNTS_HASH_TABLE_SIZE<span class='expansion'>16</span></span>,</td></tr>
5226<tr><td class="num" id="LN5140">5140</td><td class="line"> <span class='macro'>offset_of_member(dummyMount, next)<span class='expansion'>((size_t)((char*)&amp;dummyMount.next - (char*)&amp;dummyMount<br>))</span></span>, &amp;mount_compare, &amp;mount_hash);</td></tr>
5227<tr><td class="num" id="LN5141">5141</td><td class="line"> <span class='keyword'>if</span> (sMountsTable == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
5228<tr><td class="num" id="LN5142">5142</td><td class="line"> panic(<span class='string_literal'>"vfs_init: error creating mounts hash table\n"</span>);</td></tr>
5229<tr><td class="num" id="LN5143">5143</td><td class="line"> </td></tr>
5230<tr><td class="num" id="LN5144">5144</td><td class="line"> node_monitor_init();</td></tr>
5231<tr><td class="num" id="LN5145">5145</td><td class="line"> </td></tr>
5232<tr><td class="num" id="LN5146">5146</td><td class="line"> sRoot = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
5233<tr><td class="num" id="LN5147">5147</td><td class="line"> </td></tr>
5234<tr><td class="num" id="LN5148">5148</td><td class="line"> recursive_lock_init(&amp;sMountOpLock, <span class='string_literal'>"vfs_mount_op_lock"</span>);</td></tr>
5235<tr><td class="num" id="LN5149">5149</td><td class="line"> </td></tr>
5236<tr><td class="num" id="LN5150">5150</td><td class="line"> <span class='keyword'>if</span> (block_cache_init() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5237<tr><td class="num" id="LN5151">5151</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
5238<tr><td class="num" id="LN5152">5152</td><td class="line"> </td></tr>
5239<tr><td class="num" id="LN5153">5153</td><td class="line"><span class='directive'>#ifdef ADD_DEBUGGER_COMMANDS</span></td></tr>
5240<tr><td class="num" id="LN5154">5154</td><td class="line"> <span class='comment'>// add some debugger commands</span></td></tr>
5241<tr><td class="num" id="LN5155">5155</td><td class="line"> add_debugger_command_etc(<span class='string_literal'>"vnode"</span>, &amp;dump_vnode,</td></tr>
5242<tr><td class="num" id="LN5156">5156</td><td class="line"> <span class='string_literal'>"Print info about the specified vnode"</span>,</td></tr>
5243<tr><td class="num" id="LN5157">5157</td><td class="line"> <span class='string_literal'>"[ \"-p\" ] ( &lt;vnode&gt; | &lt;devID&gt; &lt;nodeID&gt; )\n"</span></td></tr>
5244<tr><td class="num" id="LN5158">5158</td><td class="line"> <span class='string_literal'>"Prints information about the vnode specified by address &lt;vnode&gt; or\n"</span></td></tr>
5245<tr><td class="num" id="LN5159">5159</td><td class="line"> <span class='string_literal'>"&lt;devID&gt;, &lt;vnodeID&gt; pair. If \"-p\" is given, a path of the vnode is\n"</span></td></tr>
5246<tr><td class="num" id="LN5160">5160</td><td class="line"> <span class='string_literal'>"constructed and printed. It might not be possible to construct a\n"</span></td></tr>
5247<tr><td class="num" id="LN5161">5161</td><td class="line"> <span class='string_literal'>"complete path, though.\n"</span>,</td></tr>
5248<tr><td class="num" id="LN5162">5162</td><td class="line"> 0);</td></tr>
5249<tr><td class="num" id="LN5163">5163</td><td class="line"> add_debugger_command(<span class='string_literal'>"vnodes"</span>, &amp;dump_vnodes,</td></tr>
5250<tr><td class="num" id="LN5164">5164</td><td class="line"> <span class='string_literal'>"list all vnodes (from the specified device)"</span>);</td></tr>
5251<tr><td class="num" id="LN5165">5165</td><td class="line"> add_debugger_command(<span class='string_literal'>"vnode_caches"</span>, &amp;dump_vnode_caches,</td></tr>
5252<tr><td class="num" id="LN5166">5166</td><td class="line"> <span class='string_literal'>"list all vnode caches"</span>);</td></tr>
5253<tr><td class="num" id="LN5167">5167</td><td class="line"> add_debugger_command(<span class='string_literal'>"mount"</span>, &amp;dump_mount,</td></tr>
5254<tr><td class="num" id="LN5168">5168</td><td class="line"> <span class='string_literal'>"info about the specified fs_mount"</span>);</td></tr>
5255<tr><td class="num" id="LN5169">5169</td><td class="line"> add_debugger_command(<span class='string_literal'>"mounts"</span>, &amp;dump_mounts, <span class='string_literal'>"list all fs_mounts"</span>);</td></tr>
5256<tr><td class="num" id="LN5170">5170</td><td class="line"> add_debugger_command(<span class='string_literal'>"io_context"</span>, &amp;dump_io_context,</td></tr>
5257<tr><td class="num" id="LN5171">5171</td><td class="line"> <span class='string_literal'>"info about the I/O context"</span>);</td></tr>
5258<tr><td class="num" id="LN5172">5172</td><td class="line"> add_debugger_command(<span class='string_literal'>"vnode_usage"</span>, &amp;dump_vnode_usage,</td></tr>
5259<tr><td class="num" id="LN5173">5173</td><td class="line"> <span class='string_literal'>"info about vnode usage"</span>);</td></tr>
5260<tr><td class="num" id="LN5174">5174</td><td class="line"><span class='directive'>#endif</span></td></tr>
5261<tr><td class="num" id="LN5175">5175</td><td class="line"> </td></tr>
5262<tr><td class="num" id="LN5176">5176</td><td class="line"> register_low_resource_handler(&amp;vnode_low_resource_handler, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
5263<tr><td class="num" id="LN5177">5177</td><td class="line"> B_KERNEL_RESOURCE_PAGES | B_KERNEL_RESOURCE_MEMORY</td></tr>
5264<tr><td class="num" id="LN5178">5178</td><td class="line"> | B_KERNEL_RESOURCE_ADDRESS_SPACE,</td></tr>
5265<tr><td class="num" id="LN5179">5179</td><td class="line"> 0);</td></tr>
5266<tr><td class="num" id="LN5180">5180</td><td class="line"> </td></tr>
5267<tr><td class="num" id="LN5181">5181</td><td class="line"> file_map_init();</td></tr>
5268<tr><td class="num" id="LN5182">5182</td><td class="line"> </td></tr>
5269<tr><td class="num" id="LN5183">5183</td><td class="line"> <span class='keyword'>return</span> file_cache_init();</td></tr>
5270<tr><td class="num" id="LN5184">5184</td><td class="line">}</td></tr>
5271<tr><td class="num" id="LN5185">5185</td><td class="line"> </td></tr>
5272<tr><td class="num" id="LN5186">5186</td><td class="line"> </td></tr>
5273<tr><td class="num" id="LN5187">5187</td><td class="line"><span class='comment'>// #pragma mark - fd_ops implementations</span></td></tr>
5274<tr><td class="num" id="LN5188">5188</td><td class="line"> </td></tr>
5275<tr><td class="num" id="LN5189">5189</td><td class="line"> </td></tr>
5276<tr><td class="num" id="LN5190">5190</td><td class="line"><span class='comment'>/*!</span></td></tr>
5277<tr><td class="num" id="LN5191">5191</td><td class="line"> <span class='comment'>Calls fs_open() on the given vnode and returns a new</span></td></tr>
5278<tr><td class="num" id="LN5192">5192</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
5279<tr><td class="num" id="LN5193">5193</td><td class="line"><span class='comment'>*/</span></td></tr>
5280<tr><td class="num" id="LN5194">5194</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5281<tr><td class="num" id="LN5195">5195</td><td class="line">open_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
5282<tr><td class="num" id="LN5196">5196</td><td class="line">{</td></tr>
5283<tr><td class="num" id="LN5197">5197</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
5284<tr><td class="num" id="LN5198">5198</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, open, openMode, &amp;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;open != __null) ? vnode-&gt;ops-&gt;open<br>(vnode-&gt;mount-&gt;volume, vnode, openMode, &amp;cookie) : (<br>panic("FS_CALL op " "open" " is NULL"), 0))</span></span>;</td></tr>
5285<tr><td class="num" id="LN5199">5199</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5286<tr><td class="num" id="LN5200">5200</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5287<tr><td class="num" id="LN5201">5201</td><td class="line"> </td></tr>
5288<tr><td class="num" id="LN5202">5202</td><td class="line"> <span class='keyword'>int</span> fd = get_new_fd(FDTYPE_FILE, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
5289<tr><td class="num" id="LN5203">5203</td><td class="line"> <span class='keyword'>if</span> (fd &lt; 0) {</td></tr>
5290<tr><td class="num" id="LN5204">5204</td><td class="line"> <span class='macro'>FS_CALL(vnode, close, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close != __null) ? vnode-&gt;ops-&gt;close<br>(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic("FS_CALL op "<br> "close" " is NULL"), 0))</span></span>;</td></tr>
5291<tr><td class="num" id="LN5205">5205</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_cookie, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_cookie != __null) ? vnode-&gt;ops-&gt;<br>free_cookie(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic<br>("FS_CALL op " "free_cookie" " is NULL"), 0))</span></span>;</td></tr>
5292<tr><td class="num" id="LN5206">5206</td><td class="line"> }</td></tr>
5293<tr><td class="num" id="LN5207">5207</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
5294<tr><td class="num" id="LN5208">5208</td><td class="line">}</td></tr>
5295<tr><td class="num" id="LN5209">5209</td><td class="line"> </td></tr>
5296<tr><td class="num" id="LN5210">5210</td><td class="line"> </td></tr>
5297<tr><td class="num" id="LN5211">5211</td><td class="line"><span class='comment'>/*!</span></td></tr>
5298<tr><td class="num" id="LN5212">5212</td><td class="line"> <span class='comment'>Calls fs_open() on the given vnode and returns a new</span></td></tr>
5299<tr><td class="num" id="LN5213">5213</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
5300<tr><td class="num" id="LN5214">5214</td><td class="line"><span class='comment'>*/</span></td></tr>
5301<tr><td class="num" id="LN5215">5215</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5302<tr><td class="num" id="LN5216">5216</td><td class="line">create_vnode(<span class='keyword'>struct</span> vnode* directory, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> openMode,</td></tr>
5303<tr><td class="num" id="LN5217">5217</td><td class="line"> <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
5304<tr><td class="num" id="LN5218">5218</td><td class="line">{</td></tr>
5305<tr><td class="num" id="LN5219">5219</td><td class="line"> <span class='keyword'>bool</span> traverse = ((openMode &amp; (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0);</td></tr>
5306<tr><td class="num" id="LN5220">5220</td><td class="line"> status_t status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
5307<tr><td class="num" id="LN5221">5221</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
5308<tr><td class="num" id="LN5222">5222</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
5309<tr><td class="num" id="LN5223">5223</td><td class="line"> ino_t newID;</td></tr>
5310<tr><td class="num" id="LN5224">5224</td><td class="line"> </td></tr>
5311<tr><td class="num" id="LN5225">5225</td><td class="line"> <span class='comment'>// This is somewhat tricky: If the entry already exists, the FS responsible</span></td></tr>
5312<tr><td class="num" id="LN5226">5226</td><td class="line"> <span class='comment'>// for the directory might not necessarily also be the one responsible for</span></td></tr>
5313<tr><td class="num" id="LN5227">5227</td><td class="line"> <span class='comment'>// the node the entry refers to (e.g. in case of mount points or FIFOs). So</span></td></tr>
5314<tr><td class="num" id="LN5228">5228</td><td class="line"> <span class='comment'>// we can actually never call the create() hook without O_EXCL. Instead we</span></td></tr>
5315<tr><td class="num" id="LN5229">5229</td><td class="line"> <span class='comment'>// try to look the entry up first. If it already exists, we just open the</span></td></tr>
5316<tr><td class="num" id="LN5230">5230</td><td class="line"> <span class='comment'>// node (unless O_EXCL), otherwise we call create() with O_EXCL. This</span></td></tr>
5317<tr><td class="num" id="LN5231">5231</td><td class="line"> <span class='comment'>// introduces a race condition, since someone else might have created the</span></td></tr>
5318<tr><td class="num" id="LN5232">5232</td><td class="line"> <span class='comment'>// entry in the meantime. We hope the respective FS returns the correct</span></td></tr>
5319<tr><td class="num" id="LN5233">5233</td><td class="line"> <span class='comment'>// error code and retry (up to 3 times) again.</span></td></tr>
5320<tr><td class="num" id="LN5234">5234</td><td class="line"> </td></tr>
5321<tr><td class="num" id="LN5235">5235</td><td class="line"> <span class='keyword'>for</span> (<span class='keyword'>int</span> i = 0; i &lt; 3 &amp;&amp; status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>; i++) {</td></tr>
5322<tr><td class="num" id="LN5236">5236</td><td class="line"> <span class='comment'>// look the node up</span></td></tr>
5323<tr><td class="num" id="LN5237">5237</td><td class="line"> status = lookup_dir_entry(directory, name, &amp;vnode);</td></tr>
5324<tr><td class="num" id="LN5238">5238</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
5325<tr><td class="num" id="LN5239">5239</td><td class="line"> VNodePutter putter(vnode);</td></tr>
5326<tr><td class="num" id="LN5240">5240</td><td class="line"> </td></tr>
5327<tr><td class="num" id="LN5241">5241</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_EXCL<span class='expansion'>0x0100</span></span>) != 0)</td></tr>
5328<tr><td class="num" id="LN5242">5242</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_EXISTS<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 2)</span></span>;</td></tr>
5329<tr><td class="num" id="LN5243">5243</td><td class="line"> </td></tr>
5330<tr><td class="num" id="LN5244">5244</td><td class="line"> <span class='comment'>// If the node is a symlink, we have to follow it, unless</span></td></tr>
5331<tr><td class="num" id="LN5245">5245</td><td class="line"> <span class='comment'>// O_NOTRAVERSE is set.</span></td></tr>
5332<tr><td class="num" id="LN5246">5246</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISLNK(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span> &amp;&amp; traverse) {</td></tr>
5333<tr><td class="num" id="LN5247">5247</td><td class="line"> putter.Put();</td></tr>
5334<tr><td class="num" id="LN5248">5248</td><td class="line"> <span class='keyword'>char</span> clonedName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span> + 1];</td></tr>
5335<tr><td class="num" id="LN5249">5249</td><td class="line"> <span class='keyword'>if</span> (strlcpy(clonedName, name, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
5336<tr><td class="num" id="LN5250">5250</td><td class="line"> &gt;= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) {</td></tr>
5337<tr><td class="num" id="LN5251">5251</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
5338<tr><td class="num" id="LN5252">5252</td><td class="line"> }</td></tr>
5339<tr><td class="num" id="LN5253">5253</td><td class="line"> </td></tr>
5340<tr><td class="num" id="LN5254">5254</td><td class="line"> inc_vnode_ref_count(directory);</td></tr>
5341<tr><td class="num" id="LN5255">5255</td><td class="line"> status = vnode_path_to_vnode(directory, clonedName, <span class='keyword'>true</span>, 0,</td></tr>
5342<tr><td class="num" id="LN5256">5256</td><td class="line"> kernel, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
5343<tr><td class="num" id="LN5257">5257</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5344<tr><td class="num" id="LN5258">5258</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5345<tr><td class="num" id="LN5259">5259</td><td class="line"> </td></tr>
5346<tr><td class="num" id="LN5260">5260</td><td class="line"> putter.SetTo(vnode);</td></tr>
5347<tr><td class="num" id="LN5261">5261</td><td class="line"> }</td></tr>
5348<tr><td class="num" id="LN5262">5262</td><td class="line"> </td></tr>
5349<tr><td class="num" id="LN5263">5263</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 &amp;&amp; <span class='macro'>S_ISLNK(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span>) {</td></tr>
5350<tr><td class="num" id="LN5264">5264</td><td class="line"> put_vnode(vnode);</td></tr>
5351<tr><td class="num" id="LN5265">5265</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
5352<tr><td class="num" id="LN5266">5266</td><td class="line"> }</td></tr>
5353<tr><td class="num" id="LN5267">5267</td><td class="line"> </td></tr>
5354<tr><td class="num" id="LN5268">5268</td><td class="line"> <span class='keyword'>int</span> fd = open_vnode(vnode, openMode &amp; ~<span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>, kernel);</td></tr>
5355<tr><td class="num" id="LN5269">5269</td><td class="line"> <span class='comment'>// on success keep the vnode reference for the FD</span></td></tr>
5356<tr><td class="num" id="LN5270">5270</td><td class="line"> <span class='keyword'>if</span> (fd &gt;= 0)</td></tr>
5357<tr><td class="num" id="LN5271">5271</td><td class="line"> putter.Detach();</td></tr>
5358<tr><td class="num" id="LN5272">5272</td><td class="line"> </td></tr>
5359<tr><td class="num" id="LN5273">5273</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
5360<tr><td class="num" id="LN5274">5274</td><td class="line"> }</td></tr>
5361<tr><td class="num" id="LN5275">5275</td><td class="line"> </td></tr>
5362<tr><td class="num" id="LN5276">5276</td><td class="line"> <span class='comment'>// it doesn't exist yet -- try to create it</span></td></tr>
5363<tr><td class="num" id="LN5277">5277</td><td class="line"> </td></tr>
5364<tr><td class="num" id="LN5278">5278</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(directory, create)<span class='expansion'>(directory-&gt;ops-&gt;create != __null)</span></span>)</td></tr>
5365<tr><td class="num" id="LN5279">5279</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
5366<tr><td class="num" id="LN5280">5280</td><td class="line"> </td></tr>
5367<tr><td class="num" id="LN5281">5281</td><td class="line"> status = <span class='macro'>FS_CALL(directory, create, name, openMode | O_EXCL, perms,<span class='expansion'>( (directory-&gt;ops-&gt;create != __null) ? directory-&gt;ops<br>-&gt;create(directory-&gt;mount-&gt;volume, directory, name, openMode<br> | 0x0100, perms, &amp;cookie, &amp;newID) : (panic("FS_CALL op "<br> "create" " is NULL"), 0))</span></span></td></tr>
5368<tr><td class="num" id="LN5282">5282</td><td class="line"> <span class='macro'>&amp;cookie, &amp;newID)<span class='expansion'>( (directory-&gt;ops-&gt;create != __null) ? directory-&gt;ops<br>-&gt;create(directory-&gt;mount-&gt;volume, directory, name, openMode<br> | 0x0100, perms, &amp;cookie, &amp;newID) : (panic("FS_CALL op "<br> "create" " is NULL"), 0))</span></span>;</td></tr>
5369<tr><td class="num" id="LN5283">5283</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
5370<tr><td class="num" id="LN5284">5284</td><td class="line"> &amp;&amp; ((openMode &amp; <span class='macro'>O_EXCL<span class='expansion'>0x0100</span></span>) != 0 || status != <span class='macro'>B_FILE_EXISTS<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 2)</span></span>)) {</td></tr>
5371<tr><td class="num" id="LN5285">5285</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5372<tr><td class="num" id="LN5286">5286</td><td class="line"> }</td></tr>
5373<tr><td class="num" id="LN5287">5287</td><td class="line"> }</td></tr>
5374<tr><td class="num" id="LN5288">5288</td><td class="line"> </td></tr>
5375<tr><td class="num" id="LN5289">5289</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5376<tr><td class="num" id="LN5290">5290</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5377<tr><td class="num" id="LN5291">5291</td><td class="line"> </td></tr>
5378<tr><td class="num" id="LN5292">5292</td><td class="line"> <span class='comment'>// the node has been created successfully</span></td></tr>
5379<tr><td class="num" id="LN5293">5293</td><td class="line"> </td></tr>
5380<tr><td class="num" id="LN5294">5294</td><td class="line"> rw_lock_read_lock(&amp;sVnodeLock);</td></tr>
5381<tr><td class="num" id="LN5295">5295</td><td class="line"> vnode = lookup_vnode(directory-&gt;device, newID);</td></tr>
5382<tr><td class="num" id="LN5296">5296</td><td class="line"> rw_lock_read_unlock(&amp;sVnodeLock);</td></tr>
5383<tr><td class="num" id="LN5297">5297</td><td class="line"> </td></tr>
5384<tr><td class="num" id="LN5298">5298</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
5385<tr><td class="num" id="LN5299">5299</td><td class="line"> panic(<span class='string_literal'>"vfs: fs_create() returned success but there is no vnode, "</span></td></tr>
5386<tr><td class="num" id="LN5300">5300</td><td class="line"> <span class='string_literal'>"mount ID %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>"!\n"</span>, directory-&gt;device);</td></tr>
5387<tr><td class="num" id="LN5301">5301</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5388<tr><td class="num" id="LN5302">5302</td><td class="line"> }</td></tr>
5389<tr><td class="num" id="LN5303">5303</td><td class="line"> </td></tr>
5390<tr><td class="num" id="LN5304">5304</td><td class="line"> <span class='keyword'>int</span> fd = get_new_fd(FDTYPE_FILE, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
5391<tr><td class="num" id="LN5305">5305</td><td class="line"> <span class='keyword'>if</span> (fd &gt;= 0)</td></tr>
5392<tr><td class="num" id="LN5306">5306</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
5393<tr><td class="num" id="LN5307">5307</td><td class="line"> </td></tr>
5394<tr><td class="num" id="LN5308">5308</td><td class="line"> status = fd;</td></tr>
5395<tr><td class="num" id="LN5309">5309</td><td class="line"> </td></tr>
5396<tr><td class="num" id="LN5310">5310</td><td class="line"> <span class='comment'>// something went wrong, clean up</span></td></tr>
5397<tr><td class="num" id="LN5311">5311</td><td class="line"> </td></tr>
5398<tr><td class="num" id="LN5312">5312</td><td class="line"> <span class='macro'>FS_CALL(vnode, close, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close != __null) ? vnode-&gt;ops-&gt;close<br>(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic("FS_CALL op "<br> "close" " is NULL"), 0))</span></span>;</td></tr>
5399<tr><td class="num" id="LN5313">5313</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_cookie, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_cookie != __null) ? vnode-&gt;ops-&gt;<br>free_cookie(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic<br>("FS_CALL op " "free_cookie" " is NULL"), 0))</span></span>;</td></tr>
5400<tr><td class="num" id="LN5314">5314</td><td class="line"> put_vnode(vnode);</td></tr>
5401<tr><td class="num" id="LN5315">5315</td><td class="line"> </td></tr>
5402<tr><td class="num" id="LN5316">5316</td><td class="line"> <span class='macro'>FS_CALL(directory, unlink, name)<span class='expansion'>( (directory-&gt;ops-&gt;unlink != __null) ? directory-&gt;ops<br>-&gt;unlink(directory-&gt;mount-&gt;volume, directory, name) :<br> (panic("FS_CALL op " "unlink" " is NULL"), 0))</span></span>;</td></tr>
5403<tr><td class="num" id="LN5317">5317</td><td class="line"> </td></tr>
5404<tr><td class="num" id="LN5318">5318</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5405<tr><td class="num" id="LN5319">5319</td><td class="line">}</td></tr>
5406<tr><td class="num" id="LN5320">5320</td><td class="line"> </td></tr>
5407<tr><td class="num" id="LN5321">5321</td><td class="line"> </td></tr>
5408<tr><td class="num" id="LN5322">5322</td><td class="line"><span class='comment'>/*! Calls fs open_dir() on the given vnode and returns a new</span></td></tr>
5409<tr><td class="num" id="LN5323">5323</td><td class="line"> <span class='comment'>file descriptor for it</span></td></tr>
5410<tr><td class="num" id="LN5324">5324</td><td class="line"><span class='comment'>*/</span></td></tr>
5411<tr><td class="num" id="LN5325">5325</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5412<tr><td class="num" id="LN5326">5326</td><td class="line">open_dir_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> kernel)</td></tr>
5413<tr><td class="num" id="LN5327">5327</td><td class="line">{</td></tr>
5414<tr><td class="num" id="LN5328">5328</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
5415<tr><td class="num" id="LN5329">5329</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, open_dir, &amp;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;open_dir != __null) ? vnode-&gt;ops-&gt;<br>open_dir(vnode-&gt;mount-&gt;volume, vnode, &amp;cookie) : (panic<br>("FS_CALL op " "open_dir" " is NULL"), 0))</span></span>;</td></tr>
5416<tr><td class="num" id="LN5330">5330</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5417<tr><td class="num" id="LN5331">5331</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5418<tr><td class="num" id="LN5332">5332</td><td class="line"> </td></tr>
5419<tr><td class="num" id="LN5333">5333</td><td class="line"> <span class='comment'>// directory is opened, create a fd</span></td></tr>
5420<tr><td class="num" id="LN5334">5334</td><td class="line"> status = get_new_fd(FDTYPE_DIR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>, kernel);</td></tr>
5421<tr><td class="num" id="LN5335">5335</td><td class="line"> <span class='keyword'>if</span> (status &gt;= 0)</td></tr>
5422<tr><td class="num" id="LN5336">5336</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5423<tr><td class="num" id="LN5337">5337</td><td class="line"> </td></tr>
5424<tr><td class="num" id="LN5338">5338</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_dir, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_dir != __null) ? vnode-&gt;ops-&gt;<br>close_dir(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_dir" " is NULL"), 0))</span></span>;</td></tr>
5425<tr><td class="num" id="LN5339">5339</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_dir_cookie, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_dir_cookie != __null) ? vnode-&gt;ops<br>-&gt;free_dir_cookie(vnode-&gt;mount-&gt;volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_dir_cookie" " is NULL"), 0))</span></span>;</td></tr>
5426<tr><td class="num" id="LN5340">5340</td><td class="line"> </td></tr>
5427<tr><td class="num" id="LN5341">5341</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5428<tr><td class="num" id="LN5342">5342</td><td class="line">}</td></tr>
5429<tr><td class="num" id="LN5343">5343</td><td class="line"> </td></tr>
5430<tr><td class="num" id="LN5344">5344</td><td class="line"> </td></tr>
5431<tr><td class="num" id="LN5345">5345</td><td class="line"><span class='comment'>/*! Calls fs open_attr_dir() on the given vnode and returns a new</span></td></tr>
5432<tr><td class="num" id="LN5346">5346</td><td class="line"> <span class='comment'>file descriptor for it.</span></td></tr>
5433<tr><td class="num" id="LN5347">5347</td><td class="line"> <span class='comment'>Used by attr_dir_open(), and attr_dir_open_fd().</span></td></tr>
5434<tr><td class="num" id="LN5348">5348</td><td class="line"><span class='comment'>*/</span></td></tr>
5435<tr><td class="num" id="LN5349">5349</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5436<tr><td class="num" id="LN5350">5350</td><td class="line">open_attr_dir_vnode(<span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>bool</span> kernel)</td></tr>
5437<tr><td class="num" id="LN5351">5351</td><td class="line">{</td></tr>
5438<tr><td class="num" id="LN5352">5352</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, open_attr_dir)<span class='expansion'>(vnode-&gt;ops-&gt;open_attr_dir != __null)</span></span>)</td></tr>
5439<tr><td class="num" id="LN5353">5353</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
5440<tr><td class="num" id="LN5354">5354</td><td class="line"> </td></tr>
5441<tr><td class="num" id="LN5355">5355</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
5442<tr><td class="num" id="LN5356">5356</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, open_attr_dir, &amp;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;open_attr_dir != __null) ? vnode-&gt;ops<br>-&gt;open_attr_dir(vnode-&gt;mount-&gt;volume, vnode, &amp;cookie<br>) : (panic("FS_CALL op " "open_attr_dir" " is NULL"), 0))</span></span>;</td></tr>
5443<tr><td class="num" id="LN5357">5357</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5444<tr><td class="num" id="LN5358">5358</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5445<tr><td class="num" id="LN5359">5359</td><td class="line"> </td></tr>
5446<tr><td class="num" id="LN5360">5360</td><td class="line"> <span class='comment'>// directory is opened, create a fd</span></td></tr>
5447<tr><td class="num" id="LN5361">5361</td><td class="line"> status = get_new_fd(FDTYPE_ATTR_DIR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>,</td></tr>
5448<tr><td class="num" id="LN5362">5362</td><td class="line"> kernel);</td></tr>
5449<tr><td class="num" id="LN5363">5363</td><td class="line"> <span class='keyword'>if</span> (status &gt;= 0)</td></tr>
5450<tr><td class="num" id="LN5364">5364</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5451<tr><td class="num" id="LN5365">5365</td><td class="line"> </td></tr>
5452<tr><td class="num" id="LN5366">5366</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_attr_dir, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_attr_dir != __null) ? vnode-&gt;ops<br>-&gt;close_attr_dir(vnode-&gt;mount-&gt;volume, vnode, cookie<br>) : (panic("FS_CALL op " "close_attr_dir" " is NULL"), 0))</span></span>;</td></tr>
5453<tr><td class="num" id="LN5367">5367</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_dir_cookie, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_attr_dir_cookie != __null) ? vnode-&gt;<br>ops-&gt;free_attr_dir_cookie(vnode-&gt;mount-&gt;volume, vnode<br>, cookie) : (panic("FS_CALL op " "free_attr_dir_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
5454<tr><td class="num" id="LN5368">5368</td><td class="line"> </td></tr>
5455<tr><td class="num" id="LN5369">5369</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5456<tr><td class="num" id="LN5370">5370</td><td class="line">}</td></tr>
5457<tr><td class="num" id="LN5371">5371</td><td class="line"> </td></tr>
5458<tr><td class="num" id="LN5372">5372</td><td class="line"> </td></tr>
5459<tr><td class="num" id="LN5373">5373</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5460<tr><td class="num" id="LN5374">5374</td><td class="line">file_create_entry_ref(dev_t mountID, ino_t directoryID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
5461<tr><td class="num" id="LN5375">5375</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
5462<tr><td class="num" id="LN5376">5376</td><td class="line">{</td></tr>
5463<tr><td class="num" id="LN5377">5377</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_create_entry_ref: name = '%s', omode %x, perms %d, "<span class='expansion'>;</span></span></span></td></tr>
5464<tr><td class="num" id="LN5378">5378</td><td class="line"> <span class='string_literal'><span class='macro'>"kernel %d\n"</span>, name, openMode, perms, kernel))<span class='expansion'>;</span></span>;</td></tr>
5465<tr><td class="num" id="LN5379">5379</td><td class="line"> </td></tr>
5466<tr><td class="num" id="LN5380">5380</td><td class="line"> <span class='comment'>// get directory to put the new file in</span></td></tr>
5467<tr><td class="num" id="LN5381">5381</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
5468<tr><td class="num" id="LN5382">5382</td><td class="line"> status_t status = get_vnode(mountID, directoryID, &amp;directory, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
5469<tr><td class="num" id="LN5383">5383</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5470<tr><td class="num" id="LN5384">5384</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5471<tr><td class="num" id="LN5385">5385</td><td class="line"> </td></tr>
5472<tr><td class="num" id="LN5386">5386</td><td class="line"> status = create_vnode(directory, name, openMode, perms, kernel);</td></tr>
5473<tr><td class="num" id="LN5387">5387</td><td class="line"> put_vnode(directory);</td></tr>
5474<tr><td class="num" id="LN5388">5388</td><td class="line"> </td></tr>
5475<tr><td class="num" id="LN5389">5389</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5476<tr><td class="num" id="LN5390">5390</td><td class="line">}</td></tr>
5477<tr><td class="num" id="LN5391">5391</td><td class="line"> </td></tr>
5478<tr><td class="num" id="LN5392">5392</td><td class="line"> </td></tr>
5479<tr><td class="num" id="LN5393">5393</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5480<tr><td class="num" id="LN5394">5394</td><td class="line">file_create(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
5481<tr><td class="num" id="LN5395">5395</td><td class="line">{</td></tr>
5482<tr><td class="num" id="LN5396">5396</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_create: path '%s', omode %x, perms %d, kernel %d\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
5483<tr><td class="num" id="LN5397">5397</td><td class="line"> <span class='macro'>openMode, perms, kernel))<span class='expansion'>;</span></span>;</td></tr>
5484<tr><td class="num" id="LN5398">5398</td><td class="line"> </td></tr>
5485<tr><td class="num" id="LN5399">5399</td><td class="line"> <span class='comment'>// get directory to put the new file in</span></td></tr>
5486<tr><td class="num" id="LN5400">5400</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
5487<tr><td class="num" id="LN5401">5401</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
5488<tr><td class="num" id="LN5402">5402</td><td class="line"> status_t status = fd_and_path_to_dir_vnode(fd, path, &amp;directory, name,</td></tr>
5489<tr><td class="num" id="LN5403">5403</td><td class="line"> kernel);</td></tr>
5490<tr><td class="num" id="LN5404">5404</td><td class="line"> <span class='keyword'>if</span> (status &lt; 0)</td></tr>
5491<tr><td class="num" id="LN5405">5405</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5492<tr><td class="num" id="LN5406">5406</td><td class="line"> </td></tr>
5493<tr><td class="num" id="LN5407">5407</td><td class="line"> status = create_vnode(directory, name, openMode, perms, kernel);</td></tr>
5494<tr><td class="num" id="LN5408">5408</td><td class="line"> </td></tr>
5495<tr><td class="num" id="LN5409">5409</td><td class="line"> put_vnode(directory);</td></tr>
5496<tr><td class="num" id="LN5410">5410</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5497<tr><td class="num" id="LN5411">5411</td><td class="line">}</td></tr>
5498<tr><td class="num" id="LN5412">5412</td><td class="line"> </td></tr>
5499<tr><td class="num" id="LN5413">5413</td><td class="line"> </td></tr>
5500<tr><td class="num" id="LN5414">5414</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5501<tr><td class="num" id="LN5415">5415</td><td class="line">file_open_entry_ref(dev_t mountID, ino_t directoryID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
5502<tr><td class="num" id="LN5416">5416</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
5503<tr><td class="num" id="LN5417">5417</td><td class="line">{</td></tr>
5504<tr><td class="num" id="LN5418">5418</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
5505<tr><td class="num" id="LN5419">5419</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5506<tr><td class="num" id="LN5420">5420</td><td class="line"> </td></tr>
5507<tr><td class="num" id="LN5421">5421</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_open_entry_ref(ref = (%"</span> B_PRId32 <span class='string_literal'>", %"</span> B_PRId64 <span class='string_literal'>", %s), "<span class='expansion'>;</span></span></span></td></tr>
5508<tr><td class="num" id="LN5422">5422</td><td class="line"> <span class='string_literal'><span class='macro'>"openMode = %d)\n"</span>, mountID, directoryID, name, openMode))<span class='expansion'>;</span></span>;</td></tr>
5509<tr><td class="num" id="LN5423">5423</td><td class="line"> </td></tr>
5510<tr><td class="num" id="LN5424">5424</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode &amp; (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
5511<tr><td class="num" id="LN5425">5425</td><td class="line"> </td></tr>
5512<tr><td class="num" id="LN5426">5426</td><td class="line"> <span class='comment'>// get the vnode matching the entry_ref</span></td></tr>
5513<tr><td class="num" id="LN5427">5427</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
5514<tr><td class="num" id="LN5428">5428</td><td class="line"> status_t status = entry_ref_to_vnode(mountID, directoryID, name, traverse,</td></tr>
5515<tr><td class="num" id="LN5429">5429</td><td class="line"> kernel, &amp;vnode);</td></tr>
5516<tr><td class="num" id="LN5430">5430</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5517<tr><td class="num" id="LN5431">5431</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5518<tr><td class="num" id="LN5432">5432</td><td class="line"> </td></tr>
5519<tr><td class="num" id="LN5433">5433</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 &amp;&amp; <span class='macro'>S_ISLNK(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span>) {</td></tr>
5520<tr><td class="num" id="LN5434">5434</td><td class="line"> put_vnode(vnode);</td></tr>
5521<tr><td class="num" id="LN5435">5435</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
5522<tr><td class="num" id="LN5436">5436</td><td class="line"> }</td></tr>
5523<tr><td class="num" id="LN5437">5437</td><td class="line"> </td></tr>
5524<tr><td class="num" id="LN5438">5438</td><td class="line"> <span class='keyword'>int</span> newFD = open_vnode(vnode, openMode, kernel);</td></tr>
5525<tr><td class="num" id="LN5439">5439</td><td class="line"> <span class='keyword'>if</span> (newFD &gt;= 0) {</td></tr>
5526<tr><td class="num" id="LN5440">5440</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
5527<tr><td class="num" id="LN5441">5441</td><td class="line"> cache_node_opened(vnode, FDTYPE_FILE, vnode-&gt;cache, mountID,</td></tr>
5528<tr><td class="num" id="LN5442">5442</td><td class="line"> directoryID, vnode-&gt;id, name);</td></tr>
5529<tr><td class="num" id="LN5443">5443</td><td class="line"> } <span class='keyword'>else</span></td></tr>
5530<tr><td class="num" id="LN5444">5444</td><td class="line"> put_vnode(vnode);</td></tr>
5531<tr><td class="num" id="LN5445">5445</td><td class="line"> </td></tr>
5532<tr><td class="num" id="LN5446">5446</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
5533<tr><td class="num" id="LN5447">5447</td><td class="line">}</td></tr>
5534<tr><td class="num" id="LN5448">5448</td><td class="line"> </td></tr>
5535<tr><td class="num" id="LN5449">5449</td><td class="line"> </td></tr>
5536<tr><td class="num" id="LN5450">5450</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5537<tr><td class="num" id="LN5451">5451</td><td class="line">file_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
5538<tr><td class="num" id="LN5452">5452</td><td class="line">{</td></tr>
5539<tr><td class="num" id="LN5453">5453</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode &amp; (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
5540<tr><td class="num" id="LN5454">5454</td><td class="line"> </td></tr>
5541<tr><td class="num" id="LN5455">5455</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_open: fd: %d, entry path = '%s', omode %d, kernel %d\n"</span>,<span class='expansion'>;</span></span></td></tr>
5542<tr><td class="num" id="LN5456">5456</td><td class="line"> <span class='macro'>fd, path, openMode, kernel))<span class='expansion'>;</span></span>;</td></tr>
5543<tr><td class="num" id="LN5457">5457</td><td class="line"> </td></tr>
5544<tr><td class="num" id="LN5458">5458</td><td class="line"> <span class='comment'>// get the vnode matching the vnode + path combination</span></td></tr>
5545<tr><td class="num" id="LN5459">5459</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
5546<tr><td class="num" id="LN5460">5460</td><td class="line"> ino_t parentID;</td></tr>
5547<tr><td class="num" id="LN5461">5461</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverse, &amp;vnode,</td></tr>
5548<tr><td class="num" id="LN5462">5462</td><td class="line"> &amp;parentID, kernel);</td></tr>
5549<tr><td class="num" id="LN5463">5463</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5550<tr><td class="num" id="LN5464">5464</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5551<tr><td class="num" id="LN5465">5465</td><td class="line"> </td></tr>
5552<tr><td class="num" id="LN5466">5466</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 &amp;&amp; <span class='macro'>S_ISLNK(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span>) {</td></tr>
5553<tr><td class="num" id="LN5467">5467</td><td class="line"> put_vnode(vnode);</td></tr>
5554<tr><td class="num" id="LN5468">5468</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
5555<tr><td class="num" id="LN5469">5469</td><td class="line"> }</td></tr>
5556<tr><td class="num" id="LN5470">5470</td><td class="line"> </td></tr>
5557<tr><td class="num" id="LN5471">5471</td><td class="line"> <span class='comment'>// open the vnode</span></td></tr>
5558<tr><td class="num" id="LN5472">5472</td><td class="line"> <span class='keyword'>int</span> newFD = open_vnode(vnode, openMode, kernel);</td></tr>
5559<tr><td class="num" id="LN5473">5473</td><td class="line"> <span class='keyword'>if</span> (newFD &gt;= 0) {</td></tr>
5560<tr><td class="num" id="LN5474">5474</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
5561<tr><td class="num" id="LN5475">5475</td><td class="line"> cache_node_opened(vnode, FDTYPE_FILE, vnode-&gt;cache,</td></tr>
5562<tr><td class="num" id="LN5476">5476</td><td class="line"> vnode-&gt;device, parentID, vnode-&gt;id, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
5563<tr><td class="num" id="LN5477">5477</td><td class="line"> } <span class='keyword'>else</span></td></tr>
5564<tr><td class="num" id="LN5478">5478</td><td class="line"> put_vnode(vnode);</td></tr>
5565<tr><td class="num" id="LN5479">5479</td><td class="line"> </td></tr>
5566<tr><td class="num" id="LN5480">5480</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
5567<tr><td class="num" id="LN5481">5481</td><td class="line">}</td></tr>
5568<tr><td class="num" id="LN5482">5482</td><td class="line"> </td></tr>
5569<tr><td class="num" id="LN5483">5483</td><td class="line"> </td></tr>
5570<tr><td class="num" id="LN5484">5484</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5571<tr><td class="num" id="LN5485">5485</td><td class="line">file_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
5572<tr><td class="num" id="LN5486">5486</td><td class="line">{</td></tr>
5573<tr><td class="num" id="LN5487">5487</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5574<tr><td class="num" id="LN5488">5488</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5575<tr><td class="num" id="LN5489">5489</td><td class="line"> </td></tr>
5576<tr><td class="num" id="LN5490">5490</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
5577<tr><td class="num" id="LN5491">5491</td><td class="line"> </td></tr>
5578<tr><td class="num" id="LN5492">5492</td><td class="line"> cache_node_closed(vnode, FDTYPE_FILE, vnode-&gt;cache, vnode-&gt;device,</td></tr>
5579<tr><td class="num" id="LN5493">5493</td><td class="line"> vnode-&gt;id);</td></tr>
5580<tr><td class="num" id="LN5494">5494</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close)<span class='expansion'>(vnode-&gt;ops-&gt;close != __null)</span></span>) {</td></tr>
5581<tr><td class="num" id="LN5495">5495</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, close, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close != __null) ? vnode-&gt;ops-&gt;close<br>(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie) : (<br>panic("FS_CALL op " "close" " is NULL"), 0))</span></span>;</td></tr>
5582<tr><td class="num" id="LN5496">5496</td><td class="line"> }</td></tr>
5583<tr><td class="num" id="LN5497">5497</td><td class="line"> </td></tr>
5584<tr><td class="num" id="LN5498">5498</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
5585<tr><td class="num" id="LN5499">5499</td><td class="line"> <span class='comment'>// remove all outstanding locks for this team</span></td></tr>
5586<tr><td class="num" id="LN5500">5500</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, release_lock)<span class='expansion'>(vnode-&gt;ops-&gt;release_lock != __null)</span></span>)</td></tr>
5587<tr><td class="num" id="LN5501">5501</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, release_lock, descriptor-&gt;cookie, NULL)<span class='expansion'>( (vnode-&gt;ops-&gt;release_lock != __null) ? vnode-&gt;ops-&gt;<br>release_lock(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie, __null) : (panic("FS_CALL op " "release_lock" " is NULL"<br>), 0))</span></span>;</td></tr>
5588<tr><td class="num" id="LN5502">5502</td><td class="line"> <span class='keyword'>else</span></td></tr>
5589<tr><td class="num" id="LN5503">5503</td><td class="line"> status = release_advisory_lock(vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
5590<tr><td class="num" id="LN5504">5504</td><td class="line"> }</td></tr>
5591<tr><td class="num" id="LN5505">5505</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5592<tr><td class="num" id="LN5506">5506</td><td class="line">}</td></tr>
5593<tr><td class="num" id="LN5507">5507</td><td class="line"> </td></tr>
5594<tr><td class="num" id="LN5508">5508</td><td class="line"> </td></tr>
5595<tr><td class="num" id="LN5509">5509</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
5596<tr><td class="num" id="LN5510">5510</td><td class="line">file_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
5597<tr><td class="num" id="LN5511">5511</td><td class="line">{</td></tr>
5598<tr><td class="num" id="LN5512">5512</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5599<tr><td class="num" id="LN5513">5513</td><td class="line"> </td></tr>
5600<tr><td class="num" id="LN5514">5514</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
5601<tr><td class="num" id="LN5515">5515</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_cookie, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_cookie != __null) ? vnode-&gt;ops-&gt;<br>free_cookie(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie) : (panic("FS_CALL op " "free_cookie" " is NULL"), 0))</span></span>;</td></tr>
5602<tr><td class="num" id="LN5516">5516</td><td class="line"> put_vnode(vnode);</td></tr>
5603<tr><td class="num" id="LN5517">5517</td><td class="line"> }</td></tr>
5604<tr><td class="num" id="LN5518">5518</td><td class="line">}</td></tr>
5605<tr><td class="num" id="LN5519">5519</td><td class="line"> </td></tr>
5606<tr><td class="num" id="LN5520">5520</td><td class="line"> </td></tr>
5607<tr><td class="num" id="LN5521">5521</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5608<tr><td class="num" id="LN5522">5522</td><td class="line">file_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>void</span>* buffer,</td></tr>
5609<tr><td class="num" id="LN5523">5523</td><td class="line"> size_t* length)</td></tr>
5610<tr><td class="num" id="LN5524">5524</td><td class="line">{</td></tr>
5611<tr><td class="num" id="LN5525">5525</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5612<tr><td class="num" id="LN5526">5526</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_read: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p = %ld\n"</span>, buffer,<span class='expansion'>;</span></span></td></tr>
5613<tr><td class="num" id="LN5527">5527</td><td class="line"> <span class='macro'>pos, length, *length))<span class='expansion'>;</span></span>;</td></tr>
5614<tr><td class="num" id="LN5528">5528</td><td class="line"> </td></tr>
5615<tr><td class="num" id="LN5529">5529</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISDIR(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000040000)</span></span>)</td></tr>
5616<tr><td class="num" id="LN5530">5530</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_IS_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 9)</span></span>;</td></tr>
5617<tr><td class="num" id="LN5531">5531</td><td class="line"> </td></tr>
5618<tr><td class="num" id="LN5532">5532</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read, descriptor-&gt;cookie, pos, buffer, length)<span class='expansion'>( (vnode-&gt;ops-&gt;read != __null) ? vnode-&gt;ops-&gt;read<br>(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie, pos<br>, buffer, length) : (panic("FS_CALL op " "read" " is NULL"), 0<br>))</span></span>;</td></tr>
5619<tr><td class="num" id="LN5533">5533</td><td class="line">}</td></tr>
5620<tr><td class="num" id="LN5534">5534</td><td class="line"> </td></tr>
5621<tr><td class="num" id="LN5535">5535</td><td class="line"> </td></tr>
5622<tr><td class="num" id="LN5536">5536</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5623<tr><td class="num" id="LN5537">5537</td><td class="line">file_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer,</td></tr>
5624<tr><td class="num" id="LN5538">5538</td><td class="line"> size_t* length)</td></tr>
5625<tr><td class="num" id="LN5539">5539</td><td class="line">{</td></tr>
5626<tr><td class="num" id="LN5540">5540</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5627<tr><td class="num" id="LN5541">5541</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_write: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p\n"</span>, buffer, pos,<span class='expansion'>;</span></span></td></tr>
5628<tr><td class="num" id="LN5542">5542</td><td class="line"> <span class='macro'>length))<span class='expansion'>;</span></span>;</td></tr>
5629<tr><td class="num" id="LN5543">5543</td><td class="line"> </td></tr>
5630<tr><td class="num" id="LN5544">5544</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>S_ISDIR(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000040000)</span></span>)</td></tr>
5631<tr><td class="num" id="LN5545">5545</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_IS_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 9)</span></span>;</td></tr>
5632<tr><td class="num" id="LN5546">5546</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write)<span class='expansion'>(vnode-&gt;ops-&gt;write != __null)</span></span>)</td></tr>
5633<tr><td class="num" id="LN5547">5547</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
5634<tr><td class="num" id="LN5548">5548</td><td class="line"> </td></tr>
5635<tr><td class="num" id="LN5549">5549</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write, descriptor-&gt;cookie, pos, buffer, length)<span class='expansion'>( (vnode-&gt;ops-&gt;write != __null) ? vnode-&gt;ops-&gt;write<br>(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie, pos<br>, buffer, length) : (panic("FS_CALL op " "write" " is NULL"),<br> 0))</span></span>;</td></tr>
5636<tr><td class="num" id="LN5550">5550</td><td class="line">}</td></tr>
5637<tr><td class="num" id="LN5551">5551</td><td class="line"> </td></tr>
5638<tr><td class="num" id="LN5552">5552</td><td class="line"> </td></tr>
5639<tr><td class="num" id="LN5553">5553</td><td class="line"><span class='keyword'>static</span> off_t</td></tr>
5640<tr><td class="num" id="LN5554">5554</td><td class="line">file_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>int</span> seekType)</td></tr>
5641<tr><td class="num" id="LN5555">5555</td><td class="line">{</td></tr>
5642<tr><td class="num" id="LN5556">5556</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5643<tr><td class="num" id="LN5557">5557</td><td class="line"> off_t offset;</td></tr>
5644<tr><td class="num" id="LN5558">5558</td><td class="line"> </td></tr>
5645<tr><td class="num" id="LN5559">5559</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_seek(pos = %"</span> B_PRIdOFF <span class='string_literal'>", seekType = %d)\n"</span>, pos,<span class='expansion'>;</span></span></td></tr>
5646<tr><td class="num" id="LN5560">5560</td><td class="line"> <span class='macro'>seekType))<span class='expansion'>;</span></span>;</td></tr>
5647<tr><td class="num" id="LN5561">5561</td><td class="line"> </td></tr>
5648<tr><td class="num" id="LN5562">5562</td><td class="line"> <span class='comment'>// some kinds of files are not seekable</span></td></tr>
5649<tr><td class="num" id="LN5563">5563</td><td class="line"> <span class='keyword'>switch</span> (vnode-&gt;Type() &amp; <span class='macro'>S_IFMT<span class='expansion'>00000170000</span></span>) {</td></tr>
5650<tr><td class="num" id="LN5564">5564</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFIFO<span class='expansion'>00000010000</span></span>:</td></tr>
5651<tr><td class="num" id="LN5565">5565</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFSOCK<span class='expansion'>00000140000</span></span>:</td></tr>
5652<tr><td class="num" id="LN5566">5566</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>ESPIPE<span class='expansion'>(((-2147483647 - 1) + 0x7000) + 12)</span></span>;</td></tr>
5653<tr><td class="num" id="LN5567">5567</td><td class="line"> </td></tr>
5654<tr><td class="num" id="LN5568">5568</td><td class="line"> <span class='comment'>// The Open Group Base Specs don't mention any file types besides pipes,</span></td></tr>
5655<tr><td class="num" id="LN5569">5569</td><td class="line"> <span class='comment'>// fifos, and sockets specially, so we allow seeking them.</span></td></tr>
5656<tr><td class="num" id="LN5570">5570</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFREG<span class='expansion'>00000100000</span></span>:</td></tr>
5657<tr><td class="num" id="LN5571">5571</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFBLK<span class='expansion'>00000060000</span></span>:</td></tr>
5658<tr><td class="num" id="LN5572">5572</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFDIR<span class='expansion'>00000040000</span></span>:</td></tr>
5659<tr><td class="num" id="LN5573">5573</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFLNK<span class='expansion'>00000120000</span></span>:</td></tr>
5660<tr><td class="num" id="LN5574">5574</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>S_IFCHR<span class='expansion'>00000020000</span></span>:</td></tr>
5661<tr><td class="num" id="LN5575">5575</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
5662<tr><td class="num" id="LN5576">5576</td><td class="line"> }</td></tr>
5663<tr><td class="num" id="LN5577">5577</td><td class="line"> </td></tr>
5664<tr><td class="num" id="LN5578">5578</td><td class="line"> <span class='keyword'>switch</span> (seekType) {</td></tr>
5665<tr><td class="num" id="LN5579">5579</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>:</td></tr>
5666<tr><td class="num" id="LN5580">5580</td><td class="line"> offset = 0;</td></tr>
5667<tr><td class="num" id="LN5581">5581</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
5668<tr><td class="num" id="LN5582">5582</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_CUR<span class='expansion'>1</span></span>:</td></tr>
5669<tr><td class="num" id="LN5583">5583</td><td class="line"> offset = descriptor-&gt;pos;</td></tr>
5670<tr><td class="num" id="LN5584">5584</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
5671<tr><td class="num" id="LN5585">5585</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_END<span class='expansion'>2</span></span>:</td></tr>
5672<tr><td class="num" id="LN5586">5586</td><td class="line"> {</td></tr>
5673<tr><td class="num" id="LN5587">5587</td><td class="line"> <span class='comment'>// stat() the node</span></td></tr>
5674<tr><td class="num" id="LN5588">5588</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_stat)<span class='expansion'>(vnode-&gt;ops-&gt;read_stat != __null)</span></span>)</td></tr>
5675<tr><td class="num" id="LN5589">5589</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
5676<tr><td class="num" id="LN5590">5590</td><td class="line"> </td></tr>
5677<tr><td class="num" id="LN5591">5591</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
5678<tr><td class="num" id="LN5592">5592</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_stat, &amp;stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_stat != __null) ? vnode-&gt;ops-&gt;<br>read_stat(vnode-&gt;mount-&gt;volume, vnode, &amp;stat) : (panic<br>("FS_CALL op " "read_stat" " is NULL"), 0))</span></span>;</td></tr>
5679<tr><td class="num" id="LN5593">5593</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5680<tr><td class="num" id="LN5594">5594</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5681<tr><td class="num" id="LN5595">5595</td><td class="line"> </td></tr>
5682<tr><td class="num" id="LN5596">5596</td><td class="line"> offset = stat.st_size;</td></tr>
5683<tr><td class="num" id="LN5597">5597</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
5684<tr><td class="num" id="LN5598">5598</td><td class="line"> }</td></tr>
5685<tr><td class="num" id="LN5599">5599</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
5686<tr><td class="num" id="LN5600">5600</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5687<tr><td class="num" id="LN5601">5601</td><td class="line"> }</td></tr>
5688<tr><td class="num" id="LN5602">5602</td><td class="line"> </td></tr>
5689<tr><td class="num" id="LN5603">5603</td><td class="line"> <span class='comment'>// assumes off_t is 64 bits wide</span></td></tr>
5690<tr><td class="num" id="LN5604">5604</td><td class="line"> <span class='keyword'>if</span> (offset &gt; 0 &amp;&amp; <span class='macro'>LONGLONG_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - offset &lt; pos)</td></tr>
5691<tr><td class="num" id="LN5605">5605</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
5692<tr><td class="num" id="LN5606">5606</td><td class="line"> </td></tr>
5693<tr><td class="num" id="LN5607">5607</td><td class="line"> pos += offset;</td></tr>
5694<tr><td class="num" id="LN5608">5608</td><td class="line"> <span class='keyword'>if</span> (pos &lt; 0)</td></tr>
5695<tr><td class="num" id="LN5609">5609</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5696<tr><td class="num" id="LN5610">5610</td><td class="line"> </td></tr>
5697<tr><td class="num" id="LN5611">5611</td><td class="line"> <span class='keyword'>return</span> descriptor-&gt;pos = pos;</td></tr>
5698<tr><td class="num" id="LN5612">5612</td><td class="line">}</td></tr>
5699<tr><td class="num" id="LN5613">5613</td><td class="line"> </td></tr>
5700<tr><td class="num" id="LN5614">5614</td><td class="line"> </td></tr>
5701<tr><td class="num" id="LN5615">5615</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5702<tr><td class="num" id="LN5616">5616</td><td class="line">file_select(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
5703<tr><td class="num" id="LN5617">5617</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync)</td></tr>
5704<tr><td class="num" id="LN5618">5618</td><td class="line">{</td></tr>
5705<tr><td class="num" id="LN5619">5619</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"file_select(%p, %u, %p)\n"</span>, descriptor, event, sync))<span class='expansion'>;</span></span>;</td></tr>
5706<tr><td class="num" id="LN5620">5620</td><td class="line"> </td></tr>
5707<tr><td class="num" id="LN5621">5621</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5708<tr><td class="num" id="LN5622">5622</td><td class="line"> </td></tr>
5709<tr><td class="num" id="LN5623">5623</td><td class="line"> <span class='comment'>// If the FS has no select() hook, notify select() now.</span></td></tr>
5710<tr><td class="num" id="LN5624">5624</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, select)<span class='expansion'>(vnode-&gt;ops-&gt;select != __null)</span></span>)</td></tr>
5711<tr><td class="num" id="LN5625">5625</td><td class="line"> <span class='keyword'>return</span> notify_select_event(sync, event);</td></tr>
5712<tr><td class="num" id="LN5626">5626</td><td class="line"> </td></tr>
5713<tr><td class="num" id="LN5627">5627</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, select, descriptor-&gt;cookie, event, sync)<span class='expansion'>( (vnode-&gt;ops-&gt;select != __null) ? vnode-&gt;ops-&gt;select<br>(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie, event<br>, sync) : (panic("FS_CALL op " "select" " is NULL"), 0))</span></span>;</td></tr>
5714<tr><td class="num" id="LN5628">5628</td><td class="line">}</td></tr>
5715<tr><td class="num" id="LN5629">5629</td><td class="line"> </td></tr>
5716<tr><td class="num" id="LN5630">5630</td><td class="line"> </td></tr>
5717<tr><td class="num" id="LN5631">5631</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5718<tr><td class="num" id="LN5632">5632</td><td class="line">file_deselect(<span class='keyword'>struct</span> file_descriptor* descriptor, uint8 event,</td></tr>
5719<tr><td class="num" id="LN5633">5633</td><td class="line"> <span class='keyword'>struct</span> selectsync* sync)</td></tr>
5720<tr><td class="num" id="LN5634">5634</td><td class="line">{</td></tr>
5721<tr><td class="num" id="LN5635">5635</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5722<tr><td class="num" id="LN5636">5636</td><td class="line"> </td></tr>
5723<tr><td class="num" id="LN5637">5637</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, deselect)<span class='expansion'>(vnode-&gt;ops-&gt;deselect != __null)</span></span>)</td></tr>
5724<tr><td class="num" id="LN5638">5638</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5725<tr><td class="num" id="LN5639">5639</td><td class="line"> </td></tr>
5726<tr><td class="num" id="LN5640">5640</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, deselect, descriptor-&gt;cookie, event, sync)<span class='expansion'>( (vnode-&gt;ops-&gt;deselect != __null) ? vnode-&gt;ops-&gt;<br>deselect(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie<br>, event, sync) : (panic("FS_CALL op " "deselect" " is NULL"),<br> 0))</span></span>;</td></tr>
5727<tr><td class="num" id="LN5641">5641</td><td class="line">}</td></tr>
5728<tr><td class="num" id="LN5642">5642</td><td class="line"> </td></tr>
5729<tr><td class="num" id="LN5643">5643</td><td class="line"> </td></tr>
5730<tr><td class="num" id="LN5644">5644</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5731<tr><td class="num" id="LN5645">5645</td><td class="line">dir_create_entry_ref(dev_t mountID, ino_t parentID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> perms,</td></tr>
5732<tr><td class="num" id="LN5646">5646</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
5733<tr><td class="num" id="LN5647">5647</td><td class="line">{</td></tr>
5734<tr><td class="num" id="LN5648">5648</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
5735<tr><td class="num" id="LN5649">5649</td><td class="line"> status_t status;</td></tr>
5736<tr><td class="num" id="LN5650">5650</td><td class="line"> </td></tr>
5737<tr><td class="num" id="LN5651">5651</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
5738<tr><td class="num" id="LN5652">5652</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5739<tr><td class="num" id="LN5653">5653</td><td class="line"> </td></tr>
5740<tr><td class="num" id="LN5654">5654</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_create_entry_ref(dev = %"</span> B_PRId32 <span class='string_literal'>", ino = %"</span> B_PRId64 <span class='string_literal'>", "<span class='expansion'>;</span></span></span></td></tr>
5741<tr><td class="num" id="LN5655">5655</td><td class="line"> <span class='string_literal'><span class='macro'>"name = '%s', perms = %d)\n"</span>, mountID, parentID, name, perms))<span class='expansion'>;</span></span>;</td></tr>
5742<tr><td class="num" id="LN5656">5656</td><td class="line"> </td></tr>
5743<tr><td class="num" id="LN5657">5657</td><td class="line"> status = get_vnode(mountID, parentID, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
5744<tr><td class="num" id="LN5658">5658</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5745<tr><td class="num" id="LN5659">5659</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5746<tr><td class="num" id="LN5660">5660</td><td class="line"> </td></tr>
5747<tr><td class="num" id="LN5661">5661</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, create_dir)<span class='expansion'>(vnode-&gt;ops-&gt;create_dir != __null)</span></span>)</td></tr>
5748<tr><td class="num" id="LN5662">5662</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_dir, name, perms)<span class='expansion'>( (vnode-&gt;ops-&gt;create_dir != __null) ? vnode-&gt;ops-&gt;<br>create_dir(vnode-&gt;mount-&gt;volume, vnode, name, perms) : (<br>panic("FS_CALL op " "create_dir" " is NULL"), 0))</span></span>;</td></tr>
5749<tr><td class="num" id="LN5663">5663</td><td class="line"> <span class='keyword'>else</span></td></tr>
5750<tr><td class="num" id="LN5664">5664</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
5751<tr><td class="num" id="LN5665">5665</td><td class="line"> </td></tr>
5752<tr><td class="num" id="LN5666">5666</td><td class="line"> put_vnode(vnode);</td></tr>
5753<tr><td class="num" id="LN5667">5667</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5754<tr><td class="num" id="LN5668">5668</td><td class="line">}</td></tr>
5755<tr><td class="num" id="LN5669">5669</td><td class="line"> </td></tr>
5756<tr><td class="num" id="LN5670">5670</td><td class="line"> </td></tr>
5757<tr><td class="num" id="LN5671">5671</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5758<tr><td class="num" id="LN5672">5672</td><td class="line">dir_create(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> perms, <span class='keyword'>bool</span> kernel)</td></tr>
5759<tr><td class="num" id="LN5673">5673</td><td class="line">{</td></tr>
5760<tr><td class="num" id="LN5674">5674</td><td class="line"> <span class='keyword'>char</span> filename[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
5761<tr><td class="num" id="LN5675">5675</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
5762<tr><td class="num" id="LN5676">5676</td><td class="line"> status_t status;</td></tr>
5763<tr><td class="num" id="LN5677">5677</td><td class="line"> </td></tr>
5764<tr><td class="num" id="LN5678">5678</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_create: path '%s', perms %d, kernel %d\n"</span>, path, perms,<span class='expansion'>;</span></span></td></tr>
5765<tr><td class="num" id="LN5679">5679</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
5766<tr><td class="num" id="LN5680">5680</td><td class="line"> </td></tr>
5767<tr><td class="num" id="LN5681">5681</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &amp;vnode, filename, kernel);</td></tr>
5768<tr><td class="num" id="LN5682">5682</td><td class="line"> <span class='keyword'>if</span> (status &lt; 0)</td></tr>
5769<tr><td class="num" id="LN5683">5683</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5770<tr><td class="num" id="LN5684">5684</td><td class="line"> </td></tr>
5771<tr><td class="num" id="LN5685">5685</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, create_dir)<span class='expansion'>(vnode-&gt;ops-&gt;create_dir != __null)</span></span>) {</td></tr>
5772<tr><td class="num" id="LN5686">5686</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_dir, filename, perms)<span class='expansion'>( (vnode-&gt;ops-&gt;create_dir != __null) ? vnode-&gt;ops-&gt;<br>create_dir(vnode-&gt;mount-&gt;volume, vnode, filename, perms<br>) : (panic("FS_CALL op " "create_dir" " is NULL"), 0))</span></span>;</td></tr>
5773<tr><td class="num" id="LN5687">5687</td><td class="line"> } <span class='keyword'>else</span></td></tr>
5774<tr><td class="num" id="LN5688">5688</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
5775<tr><td class="num" id="LN5689">5689</td><td class="line"> </td></tr>
5776<tr><td class="num" id="LN5690">5690</td><td class="line"> put_vnode(vnode);</td></tr>
5777<tr><td class="num" id="LN5691">5691</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5778<tr><td class="num" id="LN5692">5692</td><td class="line">}</td></tr>
5779<tr><td class="num" id="LN5693">5693</td><td class="line"> </td></tr>
5780<tr><td class="num" id="LN5694">5694</td><td class="line"> </td></tr>
5781<tr><td class="num" id="LN5695">5695</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5782<tr><td class="num" id="LN5696">5696</td><td class="line">dir_open_entry_ref(dev_t mountID, ino_t parentID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>bool</span> kernel)</td></tr>
5783<tr><td class="num" id="LN5697">5697</td><td class="line">{</td></tr>
5784<tr><td class="num" id="LN5698">5698</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_open_entry_ref()\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
5785<tr><td class="num" id="LN5699">5699</td><td class="line"> </td></tr>
5786<tr><td class="num" id="LN5700">5700</td><td class="line"> <span class='keyword'>if</span> (name &amp;&amp; name[0] == '\0')</td></tr>
5787<tr><td class="num" id="LN5701">5701</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
5788<tr><td class="num" id="LN5702">5702</td><td class="line"> </td></tr>
5789<tr><td class="num" id="LN5703">5703</td><td class="line"> <span class='comment'>// get the vnode matching the entry_ref/node_ref</span></td></tr>
5790<tr><td class="num" id="LN5704">5704</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
5791<tr><td class="num" id="LN5705">5705</td><td class="line"> status_t status;</td></tr>
5792<tr><td class="num" id="LN5706">5706</td><td class="line"> <span class='keyword'>if</span> (name) {</td></tr>
5793<tr><td class="num" id="LN5707">5707</td><td class="line"> status = entry_ref_to_vnode(mountID, parentID, name, <span class='keyword'>true</span>, kernel,</td></tr>
5794<tr><td class="num" id="LN5708">5708</td><td class="line"> &amp;vnode);</td></tr>
5795<tr><td class="num" id="LN5709">5709</td><td class="line"> } <span class='keyword'>else</span></td></tr>
5796<tr><td class="num" id="LN5710">5710</td><td class="line"> status = get_vnode(mountID, parentID, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
5797<tr><td class="num" id="LN5711">5711</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5798<tr><td class="num" id="LN5712">5712</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5799<tr><td class="num" id="LN5713">5713</td><td class="line"> </td></tr>
5800<tr><td class="num" id="LN5714">5714</td><td class="line"> <span class='keyword'>int</span> newFD = open_dir_vnode(vnode, kernel);</td></tr>
5801<tr><td class="num" id="LN5715">5715</td><td class="line"> <span class='keyword'>if</span> (newFD &gt;= 0) {</td></tr>
5802<tr><td class="num" id="LN5716">5716</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
5803<tr><td class="num" id="LN5717">5717</td><td class="line"> cache_node_opened(vnode, FDTYPE_DIR, vnode-&gt;cache, mountID, parentID,</td></tr>
5804<tr><td class="num" id="LN5718">5718</td><td class="line"> vnode-&gt;id, name);</td></tr>
5805<tr><td class="num" id="LN5719">5719</td><td class="line"> } <span class='keyword'>else</span></td></tr>
5806<tr><td class="num" id="LN5720">5720</td><td class="line"> put_vnode(vnode);</td></tr>
5807<tr><td class="num" id="LN5721">5721</td><td class="line"> </td></tr>
5808<tr><td class="num" id="LN5722">5722</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
5809<tr><td class="num" id="LN5723">5723</td><td class="line">}</td></tr>
5810<tr><td class="num" id="LN5724">5724</td><td class="line"> </td></tr>
5811<tr><td class="num" id="LN5725">5725</td><td class="line"> </td></tr>
5812<tr><td class="num" id="LN5726">5726</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
5813<tr><td class="num" id="LN5727">5727</td><td class="line">dir_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
5814<tr><td class="num" id="LN5728">5728</td><td class="line">{</td></tr>
5815<tr><td class="num" id="LN5729">5729</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_open: fd: %d, entry path = '%s', kernel %d\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
5816<tr><td class="num" id="LN5730">5730</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
5817<tr><td class="num" id="LN5731">5731</td><td class="line"> </td></tr>
5818<tr><td class="num" id="LN5732">5732</td><td class="line"> <span class='comment'>// get the vnode matching the vnode + path combination</span></td></tr>
5819<tr><td class="num" id="LN5733">5733</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
5820<tr><td class="num" id="LN5734">5734</td><td class="line"> ino_t parentID;</td></tr>
5821<tr><td class="num" id="LN5735">5735</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, &amp;vnode, &amp;parentID,</td></tr>
5822<tr><td class="num" id="LN5736">5736</td><td class="line"> kernel);</td></tr>
5823<tr><td class="num" id="LN5737">5737</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5824<tr><td class="num" id="LN5738">5738</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5825<tr><td class="num" id="LN5739">5739</td><td class="line"> </td></tr>
5826<tr><td class="num" id="LN5740">5740</td><td class="line"> <span class='comment'>// open the dir</span></td></tr>
5827<tr><td class="num" id="LN5741">5741</td><td class="line"> <span class='keyword'>int</span> newFD = open_dir_vnode(vnode, kernel);</td></tr>
5828<tr><td class="num" id="LN5742">5742</td><td class="line"> <span class='keyword'>if</span> (newFD &gt;= 0) {</td></tr>
5829<tr><td class="num" id="LN5743">5743</td><td class="line"> <span class='comment'>// The vnode reference has been transferred to the FD</span></td></tr>
5830<tr><td class="num" id="LN5744">5744</td><td class="line"> cache_node_opened(vnode, FDTYPE_DIR, vnode-&gt;cache, vnode-&gt;device,</td></tr>
5831<tr><td class="num" id="LN5745">5745</td><td class="line"> parentID, vnode-&gt;id, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
5832<tr><td class="num" id="LN5746">5746</td><td class="line"> } <span class='keyword'>else</span></td></tr>
5833<tr><td class="num" id="LN5747">5747</td><td class="line"> put_vnode(vnode);</td></tr>
5834<tr><td class="num" id="LN5748">5748</td><td class="line"> </td></tr>
5835<tr><td class="num" id="LN5749">5749</td><td class="line"> <span class='keyword'>return</span> newFD;</td></tr>
5836<tr><td class="num" id="LN5750">5750</td><td class="line">}</td></tr>
5837<tr><td class="num" id="LN5751">5751</td><td class="line"> </td></tr>
5838<tr><td class="num" id="LN5752">5752</td><td class="line"> </td></tr>
5839<tr><td class="num" id="LN5753">5753</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5840<tr><td class="num" id="LN5754">5754</td><td class="line">dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
5841<tr><td class="num" id="LN5755">5755</td><td class="line">{</td></tr>
5842<tr><td class="num" id="LN5756">5756</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5843<tr><td class="num" id="LN5757">5757</td><td class="line"> </td></tr>
5844<tr><td class="num" id="LN5758">5758</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"dir_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
5845<tr><td class="num" id="LN5759">5759</td><td class="line"> </td></tr>
5846<tr><td class="num" id="LN5760">5760</td><td class="line"> cache_node_closed(vnode, FDTYPE_DIR, vnode-&gt;cache, vnode-&gt;device,</td></tr>
5847<tr><td class="num" id="LN5761">5761</td><td class="line"> vnode-&gt;id);</td></tr>
5848<tr><td class="num" id="LN5762">5762</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close_dir)<span class='expansion'>(vnode-&gt;ops-&gt;close_dir != __null)</span></span>)</td></tr>
5849<tr><td class="num" id="LN5763">5763</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, close_dir, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_dir != __null) ? vnode-&gt;ops-&gt;<br>close_dir(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie<br>) : (panic("FS_CALL op " "close_dir" " is NULL"), 0))</span></span>;</td></tr>
5850<tr><td class="num" id="LN5764">5764</td><td class="line"> </td></tr>
5851<tr><td class="num" id="LN5765">5765</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5852<tr><td class="num" id="LN5766">5766</td><td class="line">}</td></tr>
5853<tr><td class="num" id="LN5767">5767</td><td class="line"> </td></tr>
5854<tr><td class="num" id="LN5768">5768</td><td class="line"> </td></tr>
5855<tr><td class="num" id="LN5769">5769</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
5856<tr><td class="num" id="LN5770">5770</td><td class="line">dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
5857<tr><td class="num" id="LN5771">5771</td><td class="line">{</td></tr>
5858<tr><td class="num" id="LN5772">5772</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5859<tr><td class="num" id="LN5773">5773</td><td class="line"> </td></tr>
5860<tr><td class="num" id="LN5774">5774</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
5861<tr><td class="num" id="LN5775">5775</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_dir_cookie, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_dir_cookie != __null) ? vnode-&gt;ops<br>-&gt;free_dir_cookie(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie) : (panic("FS_CALL op " "free_dir_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
5862<tr><td class="num" id="LN5776">5776</td><td class="line"> put_vnode(vnode);</td></tr>
5863<tr><td class="num" id="LN5777">5777</td><td class="line"> }</td></tr>
5864<tr><td class="num" id="LN5778">5778</td><td class="line">}</td></tr>
5865<tr><td class="num" id="LN5779">5779</td><td class="line"> </td></tr>
5866<tr><td class="num" id="LN5780">5780</td><td class="line"> </td></tr>
5867<tr><td class="num" id="LN5781">5781</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5868<tr><td class="num" id="LN5782">5782</td><td class="line">dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
5869<tr><td class="num" id="LN5783">5783</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
5870<tr><td class="num" id="LN5784">5784</td><td class="line">{</td></tr>
5871<tr><td class="num" id="LN5785">5785</td><td class="line"> <span class='keyword'>return</span> dir_read(ioContext, descriptor-&gt;u.vnode, descriptor-&gt;cookie, buffer,</td></tr>
5872<tr><td class="num" id="LN5786">5786</td><td class="line"> bufferSize, _count);</td></tr>
5873<tr><td class="num" id="LN5787">5787</td><td class="line">}</td></tr>
5874<tr><td class="num" id="LN5788">5788</td><td class="line"> </td></tr>
5875<tr><td class="num" id="LN5789">5789</td><td class="line"> </td></tr>
5876<tr><td class="num" id="LN5790">5790</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5877<tr><td class="num" id="LN5791">5791</td><td class="line">fix_dirent(<span class='keyword'>struct</span> vnode* parent, <span class='keyword'>struct</span> dirent* entry,</td></tr>
5878<tr><td class="num" id="LN5792">5792</td><td class="line"> <span class='keyword'>struct</span> io_context* ioContext)</td></tr>
5879<tr><td class="num" id="LN5793">5793</td><td class="line">{</td></tr>
5880<tr><td class="num" id="LN5794">5794</td><td class="line"> <span class='comment'>// set d_pdev and d_pino</span></td></tr>
5881<tr><td class="num" id="LN5795">5795</td><td class="line"> entry-&gt;d_pdev = parent-&gt;device;</td></tr>
5882<tr><td class="num" id="LN5796">5796</td><td class="line"> entry-&gt;d_pino = parent-&gt;id;</td></tr>
5883<tr><td class="num" id="LN5797">5797</td><td class="line"> </td></tr>
5884<tr><td class="num" id="LN5798">5798</td><td class="line"> <span class='comment'>// If this is the ".." entry and the directory covering another vnode,</span></td></tr>
5885<tr><td class="num" id="LN5799">5799</td><td class="line"> <span class='comment'>// we need to replace d_dev and d_ino with the actual values.</span></td></tr>
5886<tr><td class="num" id="LN5800">5800</td><td class="line"> <span class='keyword'>if</span> (strcmp(entry-&gt;d_name, <span class='string_literal'>".."</span>) == 0 &amp;&amp; parent-&gt;IsCovering()) {</td></tr>
5887<tr><td class="num" id="LN5801">5801</td><td class="line"> <span class='comment'>// Make sure the IO context root is not bypassed.</span></td></tr>
5888<tr><td class="num" id="LN5802">5802</td><td class="line"> <span class='keyword'>if</span> (parent == ioContext-&gt;root) {</td></tr>
5889<tr><td class="num" id="LN5803">5803</td><td class="line"> entry-&gt;d_dev = parent-&gt;device;</td></tr>
5890<tr><td class="num" id="LN5804">5804</td><td class="line"> entry-&gt;d_ino = parent-&gt;id;</td></tr>
5891<tr><td class="num" id="LN5805">5805</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
5892<tr><td class="num" id="LN5806">5806</td><td class="line"> inc_vnode_ref_count(parent);</td></tr>
5893<tr><td class="num" id="LN5807">5807</td><td class="line"> <span class='comment'>// vnode_path_to_vnode() puts the node</span></td></tr>
5894<tr><td class="num" id="LN5808">5808</td><td class="line"> </td></tr>
5895<tr><td class="num" id="LN5809">5809</td><td class="line"> <span class='comment'>// ".." is guaranteed not to be clobbered by this call</span></td></tr>
5896<tr><td class="num" id="LN5810">5810</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
5897<tr><td class="num" id="LN5811">5811</td><td class="line"> status_t status = vnode_path_to_vnode(parent, (<span class='keyword'>char</span>*)<span class='string_literal'>".."</span>, <span class='keyword'>false</span>, 0,</td></tr>
5898<tr><td class="num" id="LN5812">5812</td><td class="line"> ioContext, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
5899<tr><td class="num" id="LN5813">5813</td><td class="line"> </td></tr>
5900<tr><td class="num" id="LN5814">5814</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
5901<tr><td class="num" id="LN5815">5815</td><td class="line"> entry-&gt;d_dev = vnode-&gt;device;</td></tr>
5902<tr><td class="num" id="LN5816">5816</td><td class="line"> entry-&gt;d_ino = vnode-&gt;id;</td></tr>
5903<tr><td class="num" id="LN5817">5817</td><td class="line"> put_vnode(vnode);</td></tr>
5904<tr><td class="num" id="LN5818">5818</td><td class="line"> }</td></tr>
5905<tr><td class="num" id="LN5819">5819</td><td class="line"> }</td></tr>
5906<tr><td class="num" id="LN5820">5820</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
5907<tr><td class="num" id="LN5821">5821</td><td class="line"> <span class='comment'>// resolve covered vnodes</span></td></tr>
5908<tr><td class="num" id="LN5822">5822</td><td class="line"> ReadLocker _(&amp;sVnodeLock);</td></tr>
5909<tr><td class="num" id="LN5823">5823</td><td class="line"> </td></tr>
5910<tr><td class="num" id="LN5824">5824</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = lookup_vnode(entry-&gt;d_dev, entry-&gt;d_ino);</td></tr>
5911<tr><td class="num" id="LN5825">5825</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; vnode-&gt;covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
5912<tr><td class="num" id="LN5826">5826</td><td class="line"> <span class='keyword'>do</span> {</td></tr>
5913<tr><td class="num" id="LN5827">5827</td><td class="line"> vnode = vnode-&gt;covered_by;</td></tr>
5914<tr><td class="num" id="LN5828">5828</td><td class="line"> } <span class='keyword'>while</span> (vnode-&gt;covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
5915<tr><td class="num" id="LN5829">5829</td><td class="line"> </td></tr>
5916<tr><td class="num" id="LN5830">5830</td><td class="line"> entry-&gt;d_dev = vnode-&gt;device;</td></tr>
5917<tr><td class="num" id="LN5831">5831</td><td class="line"> entry-&gt;d_ino = vnode-&gt;id;</td></tr>
5918<tr><td class="num" id="LN5832">5832</td><td class="line"> }</td></tr>
5919<tr><td class="num" id="LN5833">5833</td><td class="line"> }</td></tr>
5920<tr><td class="num" id="LN5834">5834</td><td class="line"> </td></tr>
5921<tr><td class="num" id="LN5835">5835</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
5922<tr><td class="num" id="LN5836">5836</td><td class="line">}</td></tr>
5923<tr><td class="num" id="LN5837">5837</td><td class="line"> </td></tr>
5924<tr><td class="num" id="LN5838">5838</td><td class="line"> </td></tr>
5925<tr><td class="num" id="LN5839">5839</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5926<tr><td class="num" id="LN5840">5840</td><td class="line">dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> vnode* vnode, <span class='keyword'>void</span>* cookie,</td></tr>
5927<tr><td class="num" id="LN5841">5841</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
5928<tr><td class="num" id="LN5842">5842</td><td class="line">{</td></tr>
5929<tr><td class="num" id="LN5843">5843</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_dir)<span class='expansion'>(vnode-&gt;ops-&gt;read_dir != __null)</span></span>)</td></tr>
5930<tr><td class="num" id="LN5844">5844</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
5931<tr><td class="num" id="LN5845">5845</td><td class="line"> </td></tr>
5932<tr><td class="num" id="LN5846">5846</td><td class="line"> status_t error = <span class='macro'>FS_CALL(vnode, read_dir, cookie, buffer, bufferSize,<span class='expansion'>( (vnode-&gt;ops-&gt;read_dir != __null) ? vnode-&gt;ops-&gt;<br>read_dir(vnode-&gt;mount-&gt;volume, vnode, cookie, buffer, bufferSize<br>, _count) : (panic("FS_CALL op " "read_dir" " is NULL"), 0))</span></span></td></tr>
5933<tr><td class="num" id="LN5847">5847</td><td class="line"> <span class='macro'>_count)<span class='expansion'>( (vnode-&gt;ops-&gt;read_dir != __null) ? vnode-&gt;ops-&gt;<br>read_dir(vnode-&gt;mount-&gt;volume, vnode, cookie, buffer, bufferSize<br>, _count) : (panic("FS_CALL op " "read_dir" " is NULL"), 0))</span></span>;</td></tr>
5934<tr><td class="num" id="LN5848">5848</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5935<tr><td class="num" id="LN5849">5849</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
5936<tr><td class="num" id="LN5850">5850</td><td class="line"> </td></tr>
5937<tr><td class="num" id="LN5851">5851</td><td class="line"> <span class='comment'>// we need to adjust the read dirents</span></td></tr>
5938<tr><td class="num" id="LN5852">5852</td><td class="line"> uint32 count = *_count;</td></tr>
5939<tr><td class="num" id="LN5853">5853</td><td class="line"> <span class='keyword'>for</span> (uint32 i = 0; i &lt; count; i++) {</td></tr>
5940<tr><td class="num" id="LN5854">5854</td><td class="line"> error = fix_dirent(vnode, buffer, ioContext);</td></tr>
5941<tr><td class="num" id="LN5855">5855</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5942<tr><td class="num" id="LN5856">5856</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
5943<tr><td class="num" id="LN5857">5857</td><td class="line"> </td></tr>
5944<tr><td class="num" id="LN5858">5858</td><td class="line"> buffer = (<span class='keyword'>struct</span> dirent*)((uint8*)buffer + buffer-&gt;d_reclen);</td></tr>
5945<tr><td class="num" id="LN5859">5859</td><td class="line"> }</td></tr>
5946<tr><td class="num" id="LN5860">5860</td><td class="line"> </td></tr>
5947<tr><td class="num" id="LN5861">5861</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
5948<tr><td class="num" id="LN5862">5862</td><td class="line">}</td></tr>
5949<tr><td class="num" id="LN5863">5863</td><td class="line"> </td></tr>
5950<tr><td class="num" id="LN5864">5864</td><td class="line"> </td></tr>
5951<tr><td class="num" id="LN5865">5865</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5952<tr><td class="num" id="LN5866">5866</td><td class="line">dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
5953<tr><td class="num" id="LN5867">5867</td><td class="line">{</td></tr>
5954<tr><td class="num" id="LN5868">5868</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
5955<tr><td class="num" id="LN5869">5869</td><td class="line"> </td></tr>
5956<tr><td class="num" id="LN5870">5870</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, rewind_dir)<span class='expansion'>(vnode-&gt;ops-&gt;rewind_dir != __null)</span></span>) {</td></tr>
5957<tr><td class="num" id="LN5871">5871</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, rewind_dir, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;rewind_dir != __null) ? vnode-&gt;ops-&gt;<br>rewind_dir(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie) : (panic("FS_CALL op " "rewind_dir" " is NULL"), 0))</span></span>;</td></tr>
5958<tr><td class="num" id="LN5872">5872</td><td class="line"> }</td></tr>
5959<tr><td class="num" id="LN5873">5873</td><td class="line"> </td></tr>
5960<tr><td class="num" id="LN5874">5874</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
5961<tr><td class="num" id="LN5875">5875</td><td class="line">}</td></tr>
5962<tr><td class="num" id="LN5876">5876</td><td class="line"> </td></tr>
5963<tr><td class="num" id="LN5877">5877</td><td class="line"> </td></tr>
5964<tr><td class="num" id="LN5878">5878</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
5965<tr><td class="num" id="LN5879">5879</td><td class="line">dir_remove(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
5966<tr><td class="num" id="LN5880">5880</td><td class="line">{</td></tr>
5967<tr><td class="num" id="LN5881">5881</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
5968<tr><td class="num" id="LN5882">5882</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
5969<tr><td class="num" id="LN5883">5883</td><td class="line"> status_t status;</td></tr>
5970<tr><td class="num" id="LN5884">5884</td><td class="line"> </td></tr>
5971<tr><td class="num" id="LN5885">5885</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
5972<tr><td class="num" id="LN5886">5886</td><td class="line"> <span class='comment'>// we need to make sure our path name doesn't stop with "/", ".",</span></td></tr>
5973<tr><td class="num" id="LN5887">5887</td><td class="line"> <span class='comment'>// or ".."</span></td></tr>
5974<tr><td class="num" id="LN5888">5888</td><td class="line"> <span class='keyword'>char</span>* lastSlash;</td></tr>
5975<tr><td class="num" id="LN5889">5889</td><td class="line"> <span class='keyword'>while</span> ((lastSlash = strrchr(path, '/')) != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
5976<tr><td class="num" id="LN5890">5890</td><td class="line"> <span class='keyword'>char</span>* leaf = lastSlash + 1;</td></tr>
5977<tr><td class="num" id="LN5891">5891</td><td class="line"> <span class='keyword'>if</span> (!strcmp(leaf, <span class='string_literal'>".."</span>))</td></tr>
5978<tr><td class="num" id="LN5892">5892</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
5979<tr><td class="num" id="LN5893">5893</td><td class="line"> </td></tr>
5980<tr><td class="num" id="LN5894">5894</td><td class="line"> <span class='comment'>// omit multiple slashes</span></td></tr>
5981<tr><td class="num" id="LN5895">5895</td><td class="line"> <span class='keyword'>while</span> (lastSlash &gt; path &amp;&amp; lastSlash[-1] == '/')</td></tr>
5982<tr><td class="num" id="LN5896">5896</td><td class="line"> lastSlash--;</td></tr>
5983<tr><td class="num" id="LN5897">5897</td><td class="line"> </td></tr>
5984<tr><td class="num" id="LN5898">5898</td><td class="line"> <span class='keyword'>if</span> (leaf[0]</td></tr>
5985<tr><td class="num" id="LN5899">5899</td><td class="line"> &amp;&amp; strcmp(leaf, <span class='string_literal'>"."</span>)) {</td></tr>
5986<tr><td class="num" id="LN5900">5900</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
5987<tr><td class="num" id="LN5901">5901</td><td class="line"> }</td></tr>
5988<tr><td class="num" id="LN5902">5902</td><td class="line"> <span class='comment'>// "name/" -&gt; "name", or "name/." -&gt; "name"</span></td></tr>
5989<tr><td class="num" id="LN5903">5903</td><td class="line"> lastSlash[0] = '\0';</td></tr>
5990<tr><td class="num" id="LN5904">5904</td><td class="line"> }</td></tr>
5991<tr><td class="num" id="LN5905">5905</td><td class="line"> </td></tr>
5992<tr><td class="num" id="LN5906">5906</td><td class="line"> <span class='keyword'>if</span> (!strcmp(path, <span class='string_literal'>"."</span>) || !strcmp(path, <span class='string_literal'>".."</span>))</td></tr>
5993<tr><td class="num" id="LN5907">5907</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
5994<tr><td class="num" id="LN5908">5908</td><td class="line"> }</td></tr>
5995<tr><td class="num" id="LN5909">5909</td><td class="line"> </td></tr>
5996<tr><td class="num" id="LN5910">5910</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &amp;directory, name, kernel);</td></tr>
5997<tr><td class="num" id="LN5911">5911</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
5998<tr><td class="num" id="LN5912">5912</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
5999<tr><td class="num" id="LN5913">5913</td><td class="line"> </td></tr>
6000<tr><td class="num" id="LN5914">5914</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(directory, remove_dir)<span class='expansion'>(directory-&gt;ops-&gt;remove_dir != __null)</span></span>)</td></tr>
6001<tr><td class="num" id="LN5915">5915</td><td class="line"> status = <span class='macro'>FS_CALL(directory, remove_dir, name)<span class='expansion'>( (directory-&gt;ops-&gt;remove_dir != __null) ? directory-&gt;<br>ops-&gt;remove_dir(directory-&gt;mount-&gt;volume, directory,<br> name) : (panic("FS_CALL op " "remove_dir" " is NULL"), 0))</span></span>;</td></tr>
6002<tr><td class="num" id="LN5916">5916</td><td class="line"> <span class='keyword'>else</span></td></tr>
6003<tr><td class="num" id="LN5917">5917</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6004<tr><td class="num" id="LN5918">5918</td><td class="line"> </td></tr>
6005<tr><td class="num" id="LN5919">5919</td><td class="line"> put_vnode(directory);</td></tr>
6006<tr><td class="num" id="LN5920">5920</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6007<tr><td class="num" id="LN5921">5921</td><td class="line">}</td></tr>
6008<tr><td class="num" id="LN5922">5922</td><td class="line"> </td></tr>
6009<tr><td class="num" id="LN5923">5923</td><td class="line"> </td></tr>
6010<tr><td class="num" id="LN5924">5924</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6011<tr><td class="num" id="LN5925">5925</td><td class="line">common_ioctl(<span class='keyword'>struct</span> file_descriptor* descriptor, ulong op, <span class='keyword'>void</span>* buffer,</td></tr>
6012<tr><td class="num" id="LN5926">5926</td><td class="line"> size_t length)</td></tr>
6013<tr><td class="num" id="LN5927">5927</td><td class="line">{</td></tr>
6014<tr><td class="num" id="LN5928">5928</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6015<tr><td class="num" id="LN5929">5929</td><td class="line"> </td></tr>
6016<tr><td class="num" id="LN5930">5930</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, ioctl)<span class='expansion'>(vnode-&gt;ops-&gt;ioctl != __null)</span></span>)</td></tr>
6017<tr><td class="num" id="LN5931">5931</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, ioctl, descriptor-&gt;cookie, op, buffer, length)<span class='expansion'>( (vnode-&gt;ops-&gt;ioctl != __null) ? vnode-&gt;ops-&gt;ioctl<br>(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie, op<br>, buffer, length) : (panic("FS_CALL op " "ioctl" " is NULL"),<br> 0))</span></span>;</td></tr>
6018<tr><td class="num" id="LN5932">5932</td><td class="line"> </td></tr>
6019<tr><td class="num" id="LN5933">5933</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_DEV_INVALID_IOCTL<span class='expansion'>(((-2147483647 - 1) + 0xa000) + 0)</span></span>;</td></tr>
6020<tr><td class="num" id="LN5934">5934</td><td class="line">}</td></tr>
6021<tr><td class="num" id="LN5935">5935</td><td class="line"> </td></tr>
6022<tr><td class="num" id="LN5936">5936</td><td class="line"> </td></tr>
6023<tr><td class="num" id="LN5937">5937</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6024<tr><td class="num" id="LN5938">5938</td><td class="line">common_fcntl(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> op, size_t argument, <span class='keyword'>bool</span> kernel)</td></tr>
6025<tr><td class="num" id="LN5939">5939</td><td class="line">{</td></tr>
6026<tr><td class="num" id="LN5940">5940</td><td class="line"> <span class='keyword'>struct</span> flock flock;</td></tr>
6027<tr><td class="num" id="LN5941">5941</td><td class="line"> </td></tr>
6028<tr><td class="num" id="LN5942">5942</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_fcntl(fd = %d, op = %d, argument = %lx, %s)\n"</span>,<span class='expansion'>;</span></span></td></tr>
6029<tr><td class="num" id="LN5943">5943</td><td class="line"> <span class='macro'>fd, op, argument, kernel ? <span class='string_literal'>"kernel"</span> : <span class='string_literal'>"user"</span>))<span class='expansion'>;</span></span>;</td></tr>
6030<tr><td class="num" id="LN5944">5944</td><td class="line"> </td></tr>
6031<tr><td class="num" id="LN5945">5945</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor = get_fd(get_current_io_context(kernel),</td></tr>
6032<tr><td class="num" id="LN5946">5946</td><td class="line"> fd);</td></tr>
6033<tr><td class="num" id="LN5947">5947</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
6034<tr><td class="num" id="LN5948">5948</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6035<tr><td class="num" id="LN5949">5949</td><td class="line"> </td></tr>
6036<tr><td class="num" id="LN5950">5950</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
6037<tr><td class="num" id="LN5951">5951</td><td class="line"> </td></tr>
6038<tr><td class="num" id="LN5952">5952</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6039<tr><td class="num" id="LN5953">5953</td><td class="line"> </td></tr>
6040<tr><td class="num" id="LN5954">5954</td><td class="line"> <span class='keyword'>if</span> (op == <span class='macro'>F_SETLK<span class='expansion'>0x0080</span></span> || op == <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span> || op == <span class='macro'>F_GETLK<span class='expansion'>0x0020</span></span>) {</td></tr>
6041<tr><td class="num" id="LN5955">5955</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;type != FDTYPE_FILE)</td></tr>
6042<tr><td class="num" id="LN5956">5956</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6043<tr><td class="num" id="LN5957">5957</td><td class="line"> <span class='keyword'>else</span> <span class='keyword'>if</span> (user_memcpy(&amp;flock, (<span class='keyword'>struct</span> flock*)argument,</td></tr>
6044<tr><td class="num" id="LN5958">5958</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6045<tr><td class="num" id="LN5959">5959</td><td class="line"> status = <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
6046<tr><td class="num" id="LN5960">5960</td><td class="line"> </td></tr>
6047<tr><td class="num" id="LN5961">5961</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
6048<tr><td class="num" id="LN5962">5962</td><td class="line"> put_fd(descriptor);</td></tr>
6049<tr><td class="num" id="LN5963">5963</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6050<tr><td class="num" id="LN5964">5964</td><td class="line"> }</td></tr>
6051<tr><td class="num" id="LN5965">5965</td><td class="line"> }</td></tr>
6052<tr><td class="num" id="LN5966">5966</td><td class="line"> </td></tr>
6053<tr><td class="num" id="LN5967">5967</td><td class="line"> <span class='keyword'>switch</span> (op) {</td></tr>
6054<tr><td class="num" id="LN5968">5968</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETFD<span class='expansion'>0x0004</span></span>:</td></tr>
6055<tr><td class="num" id="LN5969">5969</td><td class="line"> {</td></tr>
6056<tr><td class="num" id="LN5970">5970</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
6057<tr><td class="num" id="LN5971">5971</td><td class="line"> <span class='comment'>// Set file descriptor flags</span></td></tr>
6058<tr><td class="num" id="LN5972">5972</td><td class="line"> </td></tr>
6059<tr><td class="num" id="LN5973">5973</td><td class="line"> <span class='comment'>// O_CLOEXEC is the only flag available at this time</span></td></tr>
6060<tr><td class="num" id="LN5974">5974</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
6061<tr><td class="num" id="LN5975">5975</td><td class="line"> fd_set_close_on_exec(context, fd, (argument &amp; <span class='macro'>FD_CLOEXEC<span class='expansion'>1</span></span>) != 0);</td></tr>
6062<tr><td class="num" id="LN5976">5976</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
6063<tr><td class="num" id="LN5977">5977</td><td class="line"> </td></tr>
6064<tr><td class="num" id="LN5978">5978</td><td class="line"> status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6065<tr><td class="num" id="LN5979">5979</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6066<tr><td class="num" id="LN5980">5980</td><td class="line"> }</td></tr>
6067<tr><td class="num" id="LN5981">5981</td><td class="line"> </td></tr>
6068<tr><td class="num" id="LN5982">5982</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_GETFD<span class='expansion'>0x0002</span></span>:</td></tr>
6069<tr><td class="num" id="LN5983">5983</td><td class="line"> {</td></tr>
6070<tr><td class="num" id="LN5984">5984</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
6071<tr><td class="num" id="LN5985">5985</td><td class="line"> </td></tr>
6072<tr><td class="num" id="LN5986">5986</td><td class="line"> <span class='comment'>// Get file descriptor flags</span></td></tr>
6073<tr><td class="num" id="LN5987">5987</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
6074<tr><td class="num" id="LN5988">5988</td><td class="line"> status = fd_close_on_exec(context, fd) ? <span class='macro'>FD_CLOEXEC<span class='expansion'>1</span></span> : 0;</td></tr>
6075<tr><td class="num" id="LN5989">5989</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
6076<tr><td class="num" id="LN5990">5990</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6077<tr><td class="num" id="LN5991">5991</td><td class="line"> }</td></tr>
6078<tr><td class="num" id="LN5992">5992</td><td class="line"> </td></tr>
6079<tr><td class="num" id="LN5993">5993</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETFL<span class='expansion'>0x0010</span></span>:</td></tr>
6080<tr><td class="num" id="LN5994">5994</td><td class="line"> <span class='comment'>// Set file descriptor open mode</span></td></tr>
6081<tr><td class="num" id="LN5995">5995</td><td class="line"> </td></tr>
6082<tr><td class="num" id="LN5996">5996</td><td class="line"> <span class='comment'>// we only accept changes to O_APPEND and O_NONBLOCK</span></td></tr>
6083<tr><td class="num" id="LN5997">5997</td><td class="line"> argument &amp;= <span class='macro'>O_APPEND<span class='expansion'>0x00000800</span></span> | <span class='macro'>O_NONBLOCK<span class='expansion'>0x00000080</span></span>;</td></tr>
6084<tr><td class="num" id="LN5998">5998</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;ops-&gt;fd_set_flags != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
6085<tr><td class="num" id="LN5999">5999</td><td class="line"> status = descriptor-&gt;ops-&gt;fd_set_flags(descriptor, argument);</td></tr>
6086<tr><td class="num" id="LN6000">6000</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; <span class='macro'>HAS_FS_CALL(vnode, set_flags)<span class='expansion'>(vnode-&gt;ops-&gt;set_flags != __null)</span></span>) {</td></tr>
6087<tr><td class="num" id="LN6001">6001</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, set_flags, descriptor-&gt;cookie,<span class='expansion'>( (vnode-&gt;ops-&gt;set_flags != __null) ? vnode-&gt;ops-&gt;<br>set_flags(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie<br>, (int)argument) : (panic("FS_CALL op " "set_flags" " is NULL"<br>), 0))</span></span></td></tr>
6088<tr><td class="num" id="LN6002">6002</td><td class="line"> <span class='macro'>(<span class='keyword'>int</span>)argument)<span class='expansion'>( (vnode-&gt;ops-&gt;set_flags != __null) ? vnode-&gt;ops-&gt;<br>set_flags(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie<br>, (int)argument) : (panic("FS_CALL op " "set_flags" " is NULL"<br>), 0))</span></span>;</td></tr>
6089<tr><td class="num" id="LN6003">6003</td><td class="line"> } <span class='keyword'>else</span></td></tr>
6090<tr><td class="num" id="LN6004">6004</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6091<tr><td class="num" id="LN6005">6005</td><td class="line"> </td></tr>
6092<tr><td class="num" id="LN6006">6006</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
6093<tr><td class="num" id="LN6007">6007</td><td class="line"> <span class='comment'>// update this descriptor's open_mode field</span></td></tr>
6094<tr><td class="num" id="LN6008">6008</td><td class="line"> descriptor-&gt;open_mode = (descriptor-&gt;open_mode</td></tr>
6095<tr><td class="num" id="LN6009">6009</td><td class="line"> &amp; ~(<span class='macro'>O_APPEND<span class='expansion'>0x00000800</span></span> | <span class='macro'>O_NONBLOCK<span class='expansion'>0x00000080</span></span>)) | argument;</td></tr>
6096<tr><td class="num" id="LN6010">6010</td><td class="line"> }</td></tr>
6097<tr><td class="num" id="LN6011">6011</td><td class="line"> </td></tr>
6098<tr><td class="num" id="LN6012">6012</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6099<tr><td class="num" id="LN6013">6013</td><td class="line"> </td></tr>
6100<tr><td class="num" id="LN6014">6014</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_GETFL<span class='expansion'>0x0008</span></span>:</td></tr>
6101<tr><td class="num" id="LN6015">6015</td><td class="line"> <span class='comment'>// Get file descriptor open mode</span></td></tr>
6102<tr><td class="num" id="LN6016">6016</td><td class="line"> status = descriptor-&gt;open_mode;</td></tr>
6103<tr><td class="num" id="LN6017">6017</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6104<tr><td class="num" id="LN6018">6018</td><td class="line"> </td></tr>
6105<tr><td class="num" id="LN6019">6019</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_DUPFD<span class='expansion'>0x0001</span></span>:</td></tr>
6106<tr><td class="num" id="LN6020">6020</td><td class="line"> {</td></tr>
6107<tr><td class="num" id="LN6021">6021</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
6108<tr><td class="num" id="LN6022">6022</td><td class="line"> </td></tr>
6109<tr><td class="num" id="LN6023">6023</td><td class="line"> status = new_fd_etc(context, descriptor, (<span class='keyword'>int</span>)argument);</td></tr>
6110<tr><td class="num" id="LN6024">6024</td><td class="line"> <span class='keyword'>if</span> (status &gt;= 0) {</td></tr>
6111<tr><td class="num" id="LN6025">6025</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
6112<tr><td class="num" id="LN6026">6026</td><td class="line"> fd_set_close_on_exec(context, fd, <span class='keyword'>false</span>);</td></tr>
6113<tr><td class="num" id="LN6027">6027</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
6114<tr><td class="num" id="LN6028">6028</td><td class="line"> </td></tr>
6115<tr><td class="num" id="LN6029">6029</td><td class="line"> <span class='macro'>atomic_add(&amp;descriptor-&gt;ref_count, 1)<span class='expansion'>__sync_fetch_and_add(&amp;descriptor-&gt;ref_count, 1)</span></span>;</td></tr>
6116<tr><td class="num" id="LN6030">6030</td><td class="line"> }</td></tr>
6117<tr><td class="num" id="LN6031">6031</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6118<tr><td class="num" id="LN6032">6032</td><td class="line"> }</td></tr>
6119<tr><td class="num" id="LN6033">6033</td><td class="line"> </td></tr>
6120<tr><td class="num" id="LN6034">6034</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_GETLK<span class='expansion'>0x0020</span></span>:</td></tr>
6121<tr><td class="num" id="LN6035">6035</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
6122<tr><td class="num" id="LN6036">6036</td><td class="line"> <span class='keyword'>struct</span> flock normalizedLock;</td></tr>
6123<tr><td class="num" id="LN6037">6037</td><td class="line"> </td></tr>
6124<tr><td class="num" id="LN6038">6038</td><td class="line"> memcpy(&amp;normalizedLock, &amp;flock, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock));</td></tr>
6125<tr><td class="num" id="LN6039">6039</td><td class="line"> status = normalize_flock(descriptor, &amp;normalizedLock);</td></tr>
6126<tr><td class="num" id="LN6040">6040</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6127<tr><td class="num" id="LN6041">6041</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6128<tr><td class="num" id="LN6042">6042</td><td class="line"> </td></tr>
6129<tr><td class="num" id="LN6043">6043</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, test_lock)<span class='expansion'>(vnode-&gt;ops-&gt;test_lock != __null)</span></span>) {</td></tr>
6130<tr><td class="num" id="LN6044">6044</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, test_lock, descriptor-&gt;cookie,<span class='expansion'>( (vnode-&gt;ops-&gt;test_lock != __null) ? vnode-&gt;ops-&gt;<br>test_lock(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie<br>, &amp;normalizedLock) : (panic("FS_CALL op " "test_lock" " is NULL"<br>), 0))</span></span></td></tr>
6131<tr><td class="num" id="LN6045">6045</td><td class="line"> <span class='macro'>&amp;normalizedLock)<span class='expansion'>( (vnode-&gt;ops-&gt;test_lock != __null) ? vnode-&gt;ops-&gt;<br>test_lock(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie<br>, &amp;normalizedLock) : (panic("FS_CALL op " "test_lock" " is NULL"<br>), 0))</span></span>;</td></tr>
6132<tr><td class="num" id="LN6046">6046</td><td class="line"> } <span class='keyword'>else</span></td></tr>
6133<tr><td class="num" id="LN6047">6047</td><td class="line"> status = test_advisory_lock(vnode, &amp;normalizedLock);</td></tr>
6134<tr><td class="num" id="LN6048">6048</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
6135<tr><td class="num" id="LN6049">6049</td><td class="line"> <span class='keyword'>if</span> (normalizedLock.l_type == <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>) {</td></tr>
6136<tr><td class="num" id="LN6050">6050</td><td class="line"> <span class='comment'>// no conflicting lock found, copy back the same struct</span></td></tr>
6137<tr><td class="num" id="LN6051">6051</td><td class="line"> <span class='comment'>// we were given except change type to F_UNLCK</span></td></tr>
6138<tr><td class="num" id="LN6052">6052</td><td class="line"> flock.l_type = <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>;</td></tr>
6139<tr><td class="num" id="LN6053">6053</td><td class="line"> status = user_memcpy((<span class='keyword'>struct</span> flock*)argument, &amp;flock,</td></tr>
6140<tr><td class="num" id="LN6054">6054</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock));</td></tr>
6141<tr><td class="num" id="LN6055">6055</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
6142<tr><td class="num" id="LN6056">6056</td><td class="line"> <span class='comment'>// a conflicting lock was found, copy back its range and</span></td></tr>
6143<tr><td class="num" id="LN6057">6057</td><td class="line"> <span class='comment'>// type</span></td></tr>
6144<tr><td class="num" id="LN6058">6058</td><td class="line"> <span class='keyword'>if</span> (normalizedLock.l_len == <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span>)</td></tr>
6145<tr><td class="num" id="LN6059">6059</td><td class="line"> normalizedLock.l_len = 0;</td></tr>
6146<tr><td class="num" id="LN6060">6060</td><td class="line"> </td></tr>
6147<tr><td class="num" id="LN6061">6061</td><td class="line"> status = user_memcpy((<span class='keyword'>struct</span> flock*)argument,</td></tr>
6148<tr><td class="num" id="LN6062">6062</td><td class="line"> &amp;normalizedLock, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> flock));</td></tr>
6149<tr><td class="num" id="LN6063">6063</td><td class="line"> }</td></tr>
6150<tr><td class="num" id="LN6064">6064</td><td class="line"> }</td></tr>
6151<tr><td class="num" id="LN6065">6065</td><td class="line"> } <span class='keyword'>else</span></td></tr>
6152<tr><td class="num" id="LN6066">6066</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6153<tr><td class="num" id="LN6067">6067</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6154<tr><td class="num" id="LN6068">6068</td><td class="line"> </td></tr>
6155<tr><td class="num" id="LN6069">6069</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETLK<span class='expansion'>0x0080</span></span>:</td></tr>
6156<tr><td class="num" id="LN6070">6070</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span>:</td></tr>
6157<tr><td class="num" id="LN6071">6071</td><td class="line"> status = normalize_flock(descriptor, &amp;flock);</td></tr>
6158<tr><td class="num" id="LN6072">6072</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6159<tr><td class="num" id="LN6073">6073</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6160<tr><td class="num" id="LN6074">6074</td><td class="line"> </td></tr>
6161<tr><td class="num" id="LN6075">6075</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
6162<tr><td class="num" id="LN6076">6076</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6163<tr><td class="num" id="LN6077">6077</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (flock.l_type == <span class='macro'>F_UNLCK<span class='expansion'>0x0200</span></span>) {</td></tr>
6164<tr><td class="num" id="LN6078">6078</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, release_lock)<span class='expansion'>(vnode-&gt;ops-&gt;release_lock != __null)</span></span>) {</td></tr>
6165<tr><td class="num" id="LN6079">6079</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, release_lock, descriptor-&gt;cookie,<span class='expansion'>( (vnode-&gt;ops-&gt;release_lock != __null) ? vnode-&gt;ops-&gt;<br>release_lock(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie, &amp;flock) : (panic("FS_CALL op " "release_lock" " is NULL"<br>), 0))</span></span></td></tr>
6166<tr><td class="num" id="LN6080">6080</td><td class="line"> <span class='macro'>&amp;flock)<span class='expansion'>( (vnode-&gt;ops-&gt;release_lock != __null) ? vnode-&gt;ops-&gt;<br>release_lock(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie, &amp;flock) : (panic("FS_CALL op " "release_lock" " is NULL"<br>), 0))</span></span>;</td></tr>
6167<tr><td class="num" id="LN6081">6081</td><td class="line"> } <span class='keyword'>else</span></td></tr>
6168<tr><td class="num" id="LN6082">6082</td><td class="line"> status = release_advisory_lock(vnode, &amp;flock);</td></tr>
6169<tr><td class="num" id="LN6083">6083</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
6170<tr><td class="num" id="LN6084">6084</td><td class="line"> <span class='comment'>// the open mode must match the lock type</span></td></tr>
6171<tr><td class="num" id="LN6085">6085</td><td class="line"> <span class='keyword'>if</span> (((descriptor-&gt;open_mode &amp; <span class='macro'>O_RWMASK<span class='expansion'>0x0003</span></span>) == <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span></td></tr>
6172<tr><td class="num" id="LN6086">6086</td><td class="line"> &amp;&amp; flock.l_type == <span class='macro'>F_WRLCK<span class='expansion'>0x0400</span></span>)</td></tr>
6173<tr><td class="num" id="LN6087">6087</td><td class="line"> || ((descriptor-&gt;open_mode &amp; <span class='macro'>O_RWMASK<span class='expansion'>0x0003</span></span>) == <span class='macro'>O_WRONLY<span class='expansion'>0x0001</span></span></td></tr>
6174<tr><td class="num" id="LN6088">6088</td><td class="line"> &amp;&amp; flock.l_type == <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span>))</td></tr>
6175<tr><td class="num" id="LN6089">6089</td><td class="line"> status = <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6176<tr><td class="num" id="LN6090">6090</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
6177<tr><td class="num" id="LN6091">6091</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, acquire_lock)<span class='expansion'>(vnode-&gt;ops-&gt;acquire_lock != __null)</span></span>) {</td></tr>
6178<tr><td class="num" id="LN6092">6092</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, acquire_lock,<span class='expansion'>( (vnode-&gt;ops-&gt;acquire_lock != __null) ? vnode-&gt;ops-&gt;<br>acquire_lock(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie, &amp;flock, op == 0x0100) : (panic("FS_CALL op " "acquire_lock"<br> " is NULL"), 0))</span></span></td></tr>
6179<tr><td class="num" id="LN6093">6093</td><td class="line"> <span class='macro'>descriptor-&gt;cookie, &amp;flock, op == F_SETLKW)<span class='expansion'>( (vnode-&gt;ops-&gt;acquire_lock != __null) ? vnode-&gt;ops-&gt;<br>acquire_lock(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie, &amp;flock, op == 0x0100) : (panic("FS_CALL op " "acquire_lock"<br> " is NULL"), 0))</span></span>;</td></tr>
6180<tr><td class="num" id="LN6094">6094</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
6181<tr><td class="num" id="LN6095">6095</td><td class="line"> status = acquire_advisory_lock(vnode, -1,</td></tr>
6182<tr><td class="num" id="LN6096">6096</td><td class="line"> &amp;flock, op == <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span>);</td></tr>
6183<tr><td class="num" id="LN6097">6097</td><td class="line"> }</td></tr>
6184<tr><td class="num" id="LN6098">6098</td><td class="line"> }</td></tr>
6185<tr><td class="num" id="LN6099">6099</td><td class="line"> }</td></tr>
6186<tr><td class="num" id="LN6100">6100</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6187<tr><td class="num" id="LN6101">6101</td><td class="line"> </td></tr>
6188<tr><td class="num" id="LN6102">6102</td><td class="line"> <span class='comment'>// ToDo: add support for more ops?</span></td></tr>
6189<tr><td class="num" id="LN6103">6103</td><td class="line"> </td></tr>
6190<tr><td class="num" id="LN6104">6104</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
6191<tr><td class="num" id="LN6105">6105</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6192<tr><td class="num" id="LN6106">6106</td><td class="line"> }</td></tr>
6193<tr><td class="num" id="LN6107">6107</td><td class="line"> </td></tr>
6194<tr><td class="num" id="LN6108">6108</td><td class="line"> put_fd(descriptor);</td></tr>
6195<tr><td class="num" id="LN6109">6109</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6196<tr><td class="num" id="LN6110">6110</td><td class="line">}</td></tr>
6197<tr><td class="num" id="LN6111">6111</td><td class="line"> </td></tr>
6198<tr><td class="num" id="LN6112">6112</td><td class="line"> </td></tr>
6199<tr><td class="num" id="LN6113">6113</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6200<tr><td class="num" id="LN6114">6114</td><td class="line">common_sync(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
6201<tr><td class="num" id="LN6115">6115</td><td class="line">{</td></tr>
6202<tr><td class="num" id="LN6116">6116</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
6203<tr><td class="num" id="LN6117">6117</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6204<tr><td class="num" id="LN6118">6118</td><td class="line"> status_t status;</td></tr>
6205<tr><td class="num" id="LN6119">6119</td><td class="line"> </td></tr>
6206<tr><td class="num" id="LN6120">6120</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_fsync: entry. fd %d kernel %d\n"</span>, fd, kernel))<span class='expansion'>;</span></span>;</td></tr>
6207<tr><td class="num" id="LN6121">6121</td><td class="line"> </td></tr>
6208<tr><td class="num" id="LN6122">6122</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, kernel);</td></tr>
6209<tr><td class="num" id="LN6123">6123</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
6210<tr><td class="num" id="LN6124">6124</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6211<tr><td class="num" id="LN6125">6125</td><td class="line"> </td></tr>
6212<tr><td class="num" id="LN6126">6126</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, fsync)<span class='expansion'>(vnode-&gt;ops-&gt;fsync != __null)</span></span>)</td></tr>
6213<tr><td class="num" id="LN6127">6127</td><td class="line"> status = <span class='macro'>FS_CALL_NO_PARAMS(vnode, fsync)<span class='expansion'>( (vnode-&gt;ops-&gt;fsync != __null) ? vnode-&gt;ops-&gt;fsync<br>(vnode-&gt;mount-&gt;volume, vnode) : (panic("FS_CALL_NO_PARAMS op "<br> "fsync" " is NULL"), 0))</span></span>;</td></tr>
6214<tr><td class="num" id="LN6128">6128</td><td class="line"> <span class='keyword'>else</span></td></tr>
6215<tr><td class="num" id="LN6129">6129</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6216<tr><td class="num" id="LN6130">6130</td><td class="line"> </td></tr>
6217<tr><td class="num" id="LN6131">6131</td><td class="line"> put_fd(descriptor);</td></tr>
6218<tr><td class="num" id="LN6132">6132</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6219<tr><td class="num" id="LN6133">6133</td><td class="line">}</td></tr>
6220<tr><td class="num" id="LN6134">6134</td><td class="line"> </td></tr>
6221<tr><td class="num" id="LN6135">6135</td><td class="line"> </td></tr>
6222<tr><td class="num" id="LN6136">6136</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6223<tr><td class="num" id="LN6137">6137</td><td class="line">common_lock_node(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
6224<tr><td class="num" id="LN6138">6138</td><td class="line">{</td></tr>
6225<tr><td class="num" id="LN6139">6139</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
6226<tr><td class="num" id="LN6140">6140</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6227<tr><td class="num" id="LN6141">6141</td><td class="line"> </td></tr>
6228<tr><td class="num" id="LN6142">6142</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, kernel);</td></tr>
6229<tr><td class="num" id="LN6143">6143</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
6230<tr><td class="num" id="LN6144">6144</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6231<tr><td class="num" id="LN6145">6145</td><td class="line"> </td></tr>
6232<tr><td class="num" id="LN6146">6146</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6233<tr><td class="num" id="LN6147">6147</td><td class="line"> </td></tr>
6234<tr><td class="num" id="LN6148">6148</td><td class="line"> <span class='comment'>// We need to set the locking atomically - someone</span></td></tr>
6235<tr><td class="num" id="LN6149">6149</td><td class="line"> <span class='comment'>// else might set one at the same time</span></td></tr>
6236<tr><td class="num" id="LN6150">6150</td><td class="line"> <span class='keyword'>if</span> (atomic_pointer_test_and_set(&amp;vnode-&gt;mandatory_locked_by, descriptor,</td></tr>
6237<tr><td class="num" id="LN6151">6151</td><td class="line"> (file_descriptor*)<span class='macro'>NULL<span class='expansion'>__null</span></span>) != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
6238<tr><td class="num" id="LN6152">6152</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
6239<tr><td class="num" id="LN6153">6153</td><td class="line"> </td></tr>
6240<tr><td class="num" id="LN6154">6154</td><td class="line"> put_fd(descriptor);</td></tr>
6241<tr><td class="num" id="LN6155">6155</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6242<tr><td class="num" id="LN6156">6156</td><td class="line">}</td></tr>
6243<tr><td class="num" id="LN6157">6157</td><td class="line"> </td></tr>
6244<tr><td class="num" id="LN6158">6158</td><td class="line"> </td></tr>
6245<tr><td class="num" id="LN6159">6159</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6246<tr><td class="num" id="LN6160">6160</td><td class="line">common_unlock_node(<span class='keyword'>int</span> fd, <span class='keyword'>bool</span> kernel)</td></tr>
6247<tr><td class="num" id="LN6161">6161</td><td class="line">{</td></tr>
6248<tr><td class="num" id="LN6162">6162</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
6249<tr><td class="num" id="LN6163">6163</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6250<tr><td class="num" id="LN6164">6164</td><td class="line"> </td></tr>
6251<tr><td class="num" id="LN6165">6165</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, kernel);</td></tr>
6252<tr><td class="num" id="LN6166">6166</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
6253<tr><td class="num" id="LN6167">6167</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6254<tr><td class="num" id="LN6168">6168</td><td class="line"> </td></tr>
6255<tr><td class="num" id="LN6169">6169</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6256<tr><td class="num" id="LN6170">6170</td><td class="line"> </td></tr>
6257<tr><td class="num" id="LN6171">6171</td><td class="line"> <span class='comment'>// We need to set the locking atomically - someone</span></td></tr>
6258<tr><td class="num" id="LN6172">6172</td><td class="line"> <span class='comment'>// else might set one at the same time</span></td></tr>
6259<tr><td class="num" id="LN6173">6173</td><td class="line"> <span class='keyword'>if</span> (atomic_pointer_test_and_set(&amp;vnode-&gt;mandatory_locked_by,</td></tr>
6260<tr><td class="num" id="LN6174">6174</td><td class="line"> (file_descriptor*)<span class='macro'>NULL<span class='expansion'>__null</span></span>, descriptor) != descriptor)</td></tr>
6261<tr><td class="num" id="LN6175">6175</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6262<tr><td class="num" id="LN6176">6176</td><td class="line"> </td></tr>
6263<tr><td class="num" id="LN6177">6177</td><td class="line"> put_fd(descriptor);</td></tr>
6264<tr><td class="num" id="LN6178">6178</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6265<tr><td class="num" id="LN6179">6179</td><td class="line">}</td></tr>
6266<tr><td class="num" id="LN6180">6180</td><td class="line"> </td></tr>
6267<tr><td class="num" id="LN6181">6181</td><td class="line"> </td></tr>
6268<tr><td class="num" id="LN6182">6182</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6269<tr><td class="num" id="LN6183">6183</td><td class="line">common_read_link(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>char</span>* buffer, size_t* _bufferSize,</td></tr>
6270<tr><td class="num" id="LN6184">6184</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
6271<tr><td class="num" id="LN6185">6185</td><td class="line">{</td></tr>
6272<tr><td class="num" id="LN6186">6186</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6273<tr><td class="num" id="LN6187">6187</td><td class="line"> status_t status;</td></tr>
6274<tr><td class="num" id="LN6188">6188</td><td class="line"> </td></tr>
6275<tr><td class="num" id="LN6189">6189</td><td class="line"> status = fd_and_path_to_vnode(fd, path, <span class='keyword'>false</span>, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
6276<tr><td class="num" id="LN6190">6190</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6277<tr><td class="num" id="LN6191">6191</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6278<tr><td class="num" id="LN6192">6192</td><td class="line"> </td></tr>
6279<tr><td class="num" id="LN6193">6193</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, read_symlink)<span class='expansion'>(vnode-&gt;ops-&gt;read_symlink != __null)</span></span>) {</td></tr>
6280<tr><td class="num" id="LN6194">6194</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_symlink, buffer, _bufferSize)<span class='expansion'>( (vnode-&gt;ops-&gt;read_symlink != __null) ? vnode-&gt;ops-&gt;<br>read_symlink(vnode-&gt;mount-&gt;volume, vnode, buffer, _bufferSize<br>) : (panic("FS_CALL op " "read_symlink" " is NULL"), 0))</span></span>;</td></tr>
6281<tr><td class="num" id="LN6195">6195</td><td class="line"> } <span class='keyword'>else</span></td></tr>
6282<tr><td class="num" id="LN6196">6196</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6283<tr><td class="num" id="LN6197">6197</td><td class="line"> </td></tr>
6284<tr><td class="num" id="LN6198">6198</td><td class="line"> put_vnode(vnode);</td></tr>
6285<tr><td class="num" id="LN6199">6199</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6286<tr><td class="num" id="LN6200">6200</td><td class="line">}</td></tr>
6287<tr><td class="num" id="LN6201">6201</td><td class="line"> </td></tr>
6288<tr><td class="num" id="LN6202">6202</td><td class="line"> </td></tr>
6289<tr><td class="num" id="LN6203">6203</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6290<tr><td class="num" id="LN6204">6204</td><td class="line">common_create_symlink(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* toPath, <span class='keyword'>int</span> mode,</td></tr>
6291<tr><td class="num" id="LN6205">6205</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
6292<tr><td class="num" id="LN6206">6206</td><td class="line">{</td></tr>
6293<tr><td class="num" id="LN6207">6207</td><td class="line"> <span class='comment'>// path validity checks have to be in the calling function!</span></td></tr>
6294<tr><td class="num" id="LN6208">6208</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
6295<tr><td class="num" id="LN6209">6209</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6296<tr><td class="num" id="LN6210">6210</td><td class="line"> status_t status;</td></tr>
6297<tr><td class="num" id="LN6211">6211</td><td class="line"> </td></tr>
6298<tr><td class="num" id="LN6212">6212</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_create_symlink(fd = %d, path = %s, toPath = %s, "<span class='expansion'>;</span></span></span></td></tr>
6299<tr><td class="num" id="LN6213">6213</td><td class="line"> <span class='string_literal'><span class='macro'>"mode = %d, kernel = %d)\n"</span>, fd, path, toPath, mode, kernel))<span class='expansion'>;</span></span>;</td></tr>
6300<tr><td class="num" id="LN6214">6214</td><td class="line"> </td></tr>
6301<tr><td class="num" id="LN6215">6215</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &amp;vnode, name, kernel);</td></tr>
6302<tr><td class="num" id="LN6216">6216</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6303<tr><td class="num" id="LN6217">6217</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6304<tr><td class="num" id="LN6218">6218</td><td class="line"> </td></tr>
6305<tr><td class="num" id="LN6219">6219</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, create_symlink)<span class='expansion'>(vnode-&gt;ops-&gt;create_symlink != __null)</span></span>)</td></tr>
6306<tr><td class="num" id="LN6220">6220</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_symlink, name, toPath, mode)<span class='expansion'>( (vnode-&gt;ops-&gt;create_symlink != __null) ? vnode-&gt;ops<br>-&gt;create_symlink(vnode-&gt;mount-&gt;volume, vnode, name, toPath<br>, mode) : (panic("FS_CALL op " "create_symlink" " is NULL"), 0<br>))</span></span>;</td></tr>
6307<tr><td class="num" id="LN6221">6221</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
6308<tr><td class="num" id="LN6222">6222</td><td class="line"> status = <span class='macro'>HAS_FS_CALL(vnode, write)<span class='expansion'>(vnode-&gt;ops-&gt;write != __null)</span></span></td></tr>
6309<tr><td class="num" id="LN6223">6223</td><td class="line"> ? <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span> : <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6310<tr><td class="num" id="LN6224">6224</td><td class="line"> }</td></tr>
6311<tr><td class="num" id="LN6225">6225</td><td class="line"> </td></tr>
6312<tr><td class="num" id="LN6226">6226</td><td class="line"> put_vnode(vnode);</td></tr>
6313<tr><td class="num" id="LN6227">6227</td><td class="line"> </td></tr>
6314<tr><td class="num" id="LN6228">6228</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6315<tr><td class="num" id="LN6229">6229</td><td class="line">}</td></tr>
6316<tr><td class="num" id="LN6230">6230</td><td class="line"> </td></tr>
6317<tr><td class="num" id="LN6231">6231</td><td class="line"> </td></tr>
6318<tr><td class="num" id="LN6232">6232</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6319<tr><td class="num" id="LN6233">6233</td><td class="line">common_create_link(<span class='keyword'>int</span> pathFD, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> toFD, <span class='keyword'>char</span>* toPath,</td></tr>
6320<tr><td class="num" id="LN6234">6234</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>bool</span> kernel)</td></tr>
6321<tr><td class="num" id="LN6235">6235</td><td class="line">{</td></tr>
6322<tr><td class="num" id="LN6236">6236</td><td class="line"> <span class='comment'>// path validity checks have to be in the calling function!</span></td></tr>
6323<tr><td class="num" id="LN6237">6237</td><td class="line"> </td></tr>
6324<tr><td class="num" id="LN6238">6238</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_create_link(path = %s, toPath = %s, kernel = %d)\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
6325<tr><td class="num" id="LN6239">6239</td><td class="line"> <span class='macro'>toPath, kernel))<span class='expansion'>;</span></span>;</td></tr>
6326<tr><td class="num" id="LN6240">6240</td><td class="line"> </td></tr>
6327<tr><td class="num" id="LN6241">6241</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
6328<tr><td class="num" id="LN6242">6242</td><td class="line"> <span class='keyword'>struct</span> vnode* directory;</td></tr>
6329<tr><td class="num" id="LN6243">6243</td><td class="line"> status_t status = fd_and_path_to_dir_vnode(pathFD, path, &amp;directory, name,</td></tr>
6330<tr><td class="num" id="LN6244">6244</td><td class="line"> kernel);</td></tr>
6331<tr><td class="num" id="LN6245">6245</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6332<tr><td class="num" id="LN6246">6246</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6333<tr><td class="num" id="LN6247">6247</td><td class="line"> </td></tr>
6334<tr><td class="num" id="LN6248">6248</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6335<tr><td class="num" id="LN6249">6249</td><td class="line"> status = fd_and_path_to_vnode(toFD, toPath, traverseLeafLink, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
6336<tr><td class="num" id="LN6250">6250</td><td class="line"> kernel);</td></tr>
6337<tr><td class="num" id="LN6251">6251</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6338<tr><td class="num" id="LN6252">6252</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6339<tr><td class="num" id="LN6253">6253</td><td class="line"> </td></tr>
6340<tr><td class="num" id="LN6254">6254</td><td class="line"> <span class='keyword'>if</span> (directory-&gt;mount != vnode-&gt;mount) {</td></tr>
6341<tr><td class="num" id="LN6255">6255</td><td class="line"> status = <span class='macro'>B_CROSS_DEVICE_LINK<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 11)</span></span>;</td></tr>
6342<tr><td class="num" id="LN6256">6256</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
6343<tr><td class="num" id="LN6257">6257</td><td class="line"> }</td></tr>
6344<tr><td class="num" id="LN6258">6258</td><td class="line"> </td></tr>
6345<tr><td class="num" id="LN6259">6259</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(directory, link)<span class='expansion'>(directory-&gt;ops-&gt;link != __null)</span></span>)</td></tr>
6346<tr><td class="num" id="LN6260">6260</td><td class="line"> status = <span class='macro'>FS_CALL(directory, link, name, vnode)<span class='expansion'>( (directory-&gt;ops-&gt;link != __null) ? directory-&gt;ops-&gt;<br>link(directory-&gt;mount-&gt;volume, directory, name, vnode) :<br> (panic("FS_CALL op " "link" " is NULL"), 0))</span></span>;</td></tr>
6347<tr><td class="num" id="LN6261">6261</td><td class="line"> <span class='keyword'>else</span></td></tr>
6348<tr><td class="num" id="LN6262">6262</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6349<tr><td class="num" id="LN6263">6263</td><td class="line"> </td></tr>
6350<tr><td class="num" id="LN6264">6264</td><td class="line">err1:</td></tr>
6351<tr><td class="num" id="LN6265">6265</td><td class="line"> put_vnode(vnode);</td></tr>
6352<tr><td class="num" id="LN6266">6266</td><td class="line">err:</td></tr>
6353<tr><td class="num" id="LN6267">6267</td><td class="line"> put_vnode(directory);</td></tr>
6354<tr><td class="num" id="LN6268">6268</td><td class="line"> </td></tr>
6355<tr><td class="num" id="LN6269">6269</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6356<tr><td class="num" id="LN6270">6270</td><td class="line">}</td></tr>
6357<tr><td class="num" id="LN6271">6271</td><td class="line"> </td></tr>
6358<tr><td class="num" id="LN6272">6272</td><td class="line"> </td></tr>
6359<tr><td class="num" id="LN6273">6273</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6360<tr><td class="num" id="LN6274">6274</td><td class="line">common_unlink(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
6361<tr><td class="num" id="LN6275">6275</td><td class="line">{</td></tr>
6362<tr><td class="num" id="LN6276">6276</td><td class="line"> <span class='keyword'>char</span> filename[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
6363<tr><td class="num" id="LN6277">6277</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6364<tr><td class="num" id="LN6278">6278</td><td class="line"> status_t status;</td></tr>
6365<tr><td class="num" id="LN6279">6279</td><td class="line"> </td></tr>
6366<tr><td class="num" id="LN6280">6280</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_unlink: fd: %d, path '%s', kernel %d\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
6367<tr><td class="num" id="LN6281">6281</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
6368<tr><td class="num" id="LN6282">6282</td><td class="line"> </td></tr>
6369<tr><td class="num" id="LN6283">6283</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &amp;vnode, filename, kernel);</td></tr>
6370<tr><td class="num" id="LN6284">6284</td><td class="line"> <span class='keyword'>if</span> (status &lt; 0)</td></tr>
6371<tr><td class="num" id="LN6285">6285</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6372<tr><td class="num" id="LN6286">6286</td><td class="line"> </td></tr>
6373<tr><td class="num" id="LN6287">6287</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, unlink)<span class='expansion'>(vnode-&gt;ops-&gt;unlink != __null)</span></span>)</td></tr>
6374<tr><td class="num" id="LN6288">6288</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, unlink, filename)<span class='expansion'>( (vnode-&gt;ops-&gt;unlink != __null) ? vnode-&gt;ops-&gt;unlink<br>(vnode-&gt;mount-&gt;volume, vnode, filename) : (panic("FS_CALL op "<br> "unlink" " is NULL"), 0))</span></span>;</td></tr>
6375<tr><td class="num" id="LN6289">6289</td><td class="line"> <span class='keyword'>else</span></td></tr>
6376<tr><td class="num" id="LN6290">6290</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6377<tr><td class="num" id="LN6291">6291</td><td class="line"> </td></tr>
6378<tr><td class="num" id="LN6292">6292</td><td class="line"> put_vnode(vnode);</td></tr>
6379<tr><td class="num" id="LN6293">6293</td><td class="line"> </td></tr>
6380<tr><td class="num" id="LN6294">6294</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6381<tr><td class="num" id="LN6295">6295</td><td class="line">}</td></tr>
6382<tr><td class="num" id="LN6296">6296</td><td class="line"> </td></tr>
6383<tr><td class="num" id="LN6297">6297</td><td class="line"> </td></tr>
6384<tr><td class="num" id="LN6298">6298</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6385<tr><td class="num" id="LN6299">6299</td><td class="line">common_access(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> mode, <span class='keyword'>bool</span> effectiveUserGroup, <span class='keyword'>bool</span> kernel)</td></tr>
6386<tr><td class="num" id="LN6300">6300</td><td class="line">{</td></tr>
6387<tr><td class="num" id="LN6301">6301</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6388<tr><td class="num" id="LN6302">6302</td><td class="line"> status_t status;</td></tr>
6389<tr><td class="num" id="LN6303">6303</td><td class="line"> </td></tr>
6390<tr><td class="num" id="LN6304">6304</td><td class="line"> <span class='comment'>// TODO: honor effectiveUserGroup argument</span></td></tr>
6391<tr><td class="num" id="LN6305">6305</td><td class="line"> </td></tr>
6392<tr><td class="num" id="LN6306">6306</td><td class="line"> status = fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
6393<tr><td class="num" id="LN6307">6307</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6394<tr><td class="num" id="LN6308">6308</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6395<tr><td class="num" id="LN6309">6309</td><td class="line"> </td></tr>
6396<tr><td class="num" id="LN6310">6310</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, access)<span class='expansion'>(vnode-&gt;ops-&gt;access != __null)</span></span>)</td></tr>
6397<tr><td class="num" id="LN6311">6311</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, access, mode)<span class='expansion'>( (vnode-&gt;ops-&gt;access != __null) ? vnode-&gt;ops-&gt;access<br>(vnode-&gt;mount-&gt;volume, vnode, mode) : (panic("FS_CALL op "<br> "access" " is NULL"), 0))</span></span>;</td></tr>
6398<tr><td class="num" id="LN6312">6312</td><td class="line"> <span class='keyword'>else</span></td></tr>
6399<tr><td class="num" id="LN6313">6313</td><td class="line"> status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6400<tr><td class="num" id="LN6314">6314</td><td class="line"> </td></tr>
6401<tr><td class="num" id="LN6315">6315</td><td class="line"> put_vnode(vnode);</td></tr>
6402<tr><td class="num" id="LN6316">6316</td><td class="line"> </td></tr>
6403<tr><td class="num" id="LN6317">6317</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6404<tr><td class="num" id="LN6318">6318</td><td class="line">}</td></tr>
6405<tr><td class="num" id="LN6319">6319</td><td class="line"> </td></tr>
6406<tr><td class="num" id="LN6320">6320</td><td class="line"> </td></tr>
6407<tr><td class="num" id="LN6321">6321</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6408<tr><td class="num" id="LN6322">6322</td><td class="line">common_rename(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>int</span> newFD, <span class='keyword'>char</span>* newPath, <span class='keyword'>bool</span> kernel)</td></tr>
6409<tr><td class="num" id="LN6323">6323</td><td class="line">{</td></tr>
6410<tr><td class="num" id="LN6324">6324</td><td class="line"> <span class='keyword'>struct</span> vnode* fromVnode;</td></tr>
6411<tr><td class="num" id="LN6325">6325</td><td class="line"> <span class='keyword'>struct</span> vnode* toVnode;</td></tr>
6412<tr><td class="num" id="LN6326">6326</td><td class="line"> <span class='keyword'>char</span> fromName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
6413<tr><td class="num" id="LN6327">6327</td><td class="line"> <span class='keyword'>char</span> toName[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
6414<tr><td class="num" id="LN6328">6328</td><td class="line"> status_t status;</td></tr>
6415<tr><td class="num" id="LN6329">6329</td><td class="line"> </td></tr>
6416<tr><td class="num" id="LN6330">6330</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_rename(fd = %d, path = %s, newFD = %d, newPath = %s, "<span class='expansion'>;</span></span></span></td></tr>
6417<tr><td class="num" id="LN6331">6331</td><td class="line"> <span class='string_literal'><span class='macro'>"kernel = %d)\n"</span>, fd, path, newFD, newPath, kernel))<span class='expansion'>;</span></span>;</td></tr>
6418<tr><td class="num" id="LN6332">6332</td><td class="line"> </td></tr>
6419<tr><td class="num" id="LN6333">6333</td><td class="line"> status = fd_and_path_to_dir_vnode(fd, path, &amp;fromVnode, fromName, kernel);</td></tr>
6420<tr><td class="num" id="LN6334">6334</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6421<tr><td class="num" id="LN6335">6335</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6422<tr><td class="num" id="LN6336">6336</td><td class="line"> </td></tr>
6423<tr><td class="num" id="LN6337">6337</td><td class="line"> status = fd_and_path_to_dir_vnode(newFD, newPath, &amp;toVnode, toName, kernel);</td></tr>
6424<tr><td class="num" id="LN6338">6338</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6425<tr><td class="num" id="LN6339">6339</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
6426<tr><td class="num" id="LN6340">6340</td><td class="line"> </td></tr>
6427<tr><td class="num" id="LN6341">6341</td><td class="line"> <span class='keyword'>if</span> (fromVnode-&gt;device != toVnode-&gt;device) {</td></tr>
6428<tr><td class="num" id="LN6342">6342</td><td class="line"> status = <span class='macro'>B_CROSS_DEVICE_LINK<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 11)</span></span>;</td></tr>
6429<tr><td class="num" id="LN6343">6343</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
6430<tr><td class="num" id="LN6344">6344</td><td class="line"> }</td></tr>
6431<tr><td class="num" id="LN6345">6345</td><td class="line"> </td></tr>
6432<tr><td class="num" id="LN6346">6346</td><td class="line"> <span class='keyword'>if</span> (fromName[0] == '\0' || toName[0] == '\0'</td></tr>
6433<tr><td class="num" id="LN6347">6347</td><td class="line"> || !strcmp(fromName, <span class='string_literal'>"."</span>) || !strcmp(fromName, <span class='string_literal'>".."</span>)</td></tr>
6434<tr><td class="num" id="LN6348">6348</td><td class="line"> || !strcmp(toName, <span class='string_literal'>"."</span>) || !strcmp(toName, <span class='string_literal'>".."</span>)</td></tr>
6435<tr><td class="num" id="LN6349">6349</td><td class="line"> || (fromVnode == toVnode &amp;&amp; !strcmp(fromName, toName))) {</td></tr>
6436<tr><td class="num" id="LN6350">6350</td><td class="line"> status = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6437<tr><td class="num" id="LN6351">6351</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
6438<tr><td class="num" id="LN6352">6352</td><td class="line"> }</td></tr>
6439<tr><td class="num" id="LN6353">6353</td><td class="line"> </td></tr>
6440<tr><td class="num" id="LN6354">6354</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(fromVnode, rename)<span class='expansion'>(fromVnode-&gt;ops-&gt;rename != __null)</span></span>)</td></tr>
6441<tr><td class="num" id="LN6355">6355</td><td class="line"> status = <span class='macro'>FS_CALL(fromVnode, rename, fromName, toVnode, toName)<span class='expansion'>( (fromVnode-&gt;ops-&gt;rename != __null) ? fromVnode-&gt;ops<br>-&gt;rename(fromVnode-&gt;mount-&gt;volume, fromVnode, fromName<br>, toVnode, toName) : (panic("FS_CALL op " "rename" " is NULL"<br>), 0))</span></span>;</td></tr>
6442<tr><td class="num" id="LN6356">6356</td><td class="line"> <span class='keyword'>else</span></td></tr>
6443<tr><td class="num" id="LN6357">6357</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6444<tr><td class="num" id="LN6358">6358</td><td class="line"> </td></tr>
6445<tr><td class="num" id="LN6359">6359</td><td class="line">err2:</td></tr>
6446<tr><td class="num" id="LN6360">6360</td><td class="line"> put_vnode(toVnode);</td></tr>
6447<tr><td class="num" id="LN6361">6361</td><td class="line">err1:</td></tr>
6448<tr><td class="num" id="LN6362">6362</td><td class="line"> put_vnode(fromVnode);</td></tr>
6449<tr><td class="num" id="LN6363">6363</td><td class="line"> </td></tr>
6450<tr><td class="num" id="LN6364">6364</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6451<tr><td class="num" id="LN6365">6365</td><td class="line">}</td></tr>
6452<tr><td class="num" id="LN6366">6366</td><td class="line"> </td></tr>
6453<tr><td class="num" id="LN6367">6367</td><td class="line"> </td></tr>
6454<tr><td class="num" id="LN6368">6368</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6455<tr><td class="num" id="LN6369">6369</td><td class="line">common_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> stat* stat)</td></tr>
6456<tr><td class="num" id="LN6370">6370</td><td class="line">{</td></tr>
6457<tr><td class="num" id="LN6371">6371</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6458<tr><td class="num" id="LN6372">6372</td><td class="line"> </td></tr>
6459<tr><td class="num" id="LN6373">6373</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_read_stat: stat %p\n"</span>, stat))<span class='expansion'>;</span></span>;</td></tr>
6460<tr><td class="num" id="LN6374">6374</td><td class="line"> </td></tr>
6461<tr><td class="num" id="LN6375">6375</td><td class="line"> <span class='comment'>// TODO: remove this once all file systems properly set them!</span></td></tr>
6462<tr><td class="num" id="LN6376">6376</td><td class="line"> stat-&gt;st_crtim.tv_nsec = 0;</td></tr>
6463<tr><td class="num" id="LN6377">6377</td><td class="line"> stat-&gt;st_ctim.tv_nsec = 0;</td></tr>
6464<tr><td class="num" id="LN6378">6378</td><td class="line"> stat-&gt;st_mtim.tv_nsec = 0;</td></tr>
6465<tr><td class="num" id="LN6379">6379</td><td class="line"> stat-&gt;st_atim.tv_nsec = 0;</td></tr>
6466<tr><td class="num" id="LN6380">6380</td><td class="line"> </td></tr>
6467<tr><td class="num" id="LN6381">6381</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_stat != __null) ? vnode-&gt;ops-&gt;<br>read_stat(vnode-&gt;mount-&gt;volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
6468<tr><td class="num" id="LN6382">6382</td><td class="line"> </td></tr>
6469<tr><td class="num" id="LN6383">6383</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
6470<tr><td class="num" id="LN6384">6384</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
6471<tr><td class="num" id="LN6385">6385</td><td class="line"> stat-&gt;st_dev = vnode-&gt;device;</td></tr>
6472<tr><td class="num" id="LN6386">6386</td><td class="line"> stat-&gt;st_ino = vnode-&gt;id;</td></tr>
6473<tr><td class="num" id="LN6387">6387</td><td class="line"> stat-&gt;st_rdev = -1;</td></tr>
6474<tr><td class="num" id="LN6388">6388</td><td class="line"> }</td></tr>
6475<tr><td class="num" id="LN6389">6389</td><td class="line"> </td></tr>
6476<tr><td class="num" id="LN6390">6390</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6477<tr><td class="num" id="LN6391">6391</td><td class="line">}</td></tr>
6478<tr><td class="num" id="LN6392">6392</td><td class="line"> </td></tr>
6479<tr><td class="num" id="LN6393">6393</td><td class="line"> </td></tr>
6480<tr><td class="num" id="LN6394">6394</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6481<tr><td class="num" id="LN6395">6395</td><td class="line">common_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat,</td></tr>
6482<tr><td class="num" id="LN6396">6396</td><td class="line"> <span class='keyword'>int</span> statMask)</td></tr>
6483<tr><td class="num" id="LN6397">6397</td><td class="line">{</td></tr>
6484<tr><td class="num" id="LN6398">6398</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6485<tr><td class="num" id="LN6399">6399</td><td class="line"> </td></tr>
6486<tr><td class="num" id="LN6400">6400</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_write_stat(vnode = %p, stat = %p, statMask = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
6487<tr><td class="num" id="LN6401">6401</td><td class="line"> <span class='macro'>vnode, stat, statMask))<span class='expansion'>;</span></span>;</td></tr>
6488<tr><td class="num" id="LN6402">6402</td><td class="line"> </td></tr>
6489<tr><td class="num" id="LN6403">6403</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write_stat)<span class='expansion'>(vnode-&gt;ops-&gt;write_stat != __null)</span></span>)</td></tr>
6490<tr><td class="num" id="LN6404">6404</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6491<tr><td class="num" id="LN6405">6405</td><td class="line"> </td></tr>
6492<tr><td class="num" id="LN6406">6406</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write_stat, stat, statMask)<span class='expansion'>( (vnode-&gt;ops-&gt;write_stat != __null) ? vnode-&gt;ops-&gt;<br>write_stat(vnode-&gt;mount-&gt;volume, vnode, stat, statMask)<br> : (panic("FS_CALL op " "write_stat" " is NULL"), 0))</span></span>;</td></tr>
6493<tr><td class="num" id="LN6407">6407</td><td class="line">}</td></tr>
6494<tr><td class="num" id="LN6408">6408</td><td class="line"> </td></tr>
6495<tr><td class="num" id="LN6409">6409</td><td class="line"> </td></tr>
6496<tr><td class="num" id="LN6410">6410</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6497<tr><td class="num" id="LN6411">6411</td><td class="line">common_path_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
6498<tr><td class="num" id="LN6412">6412</td><td class="line"> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>bool</span> kernel)</td></tr>
6499<tr><td class="num" id="LN6413">6413</td><td class="line">{</td></tr>
6500<tr><td class="num" id="LN6414">6414</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_path_read_stat: fd: %d, path '%s', stat %p,\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
6501<tr><td class="num" id="LN6415">6415</td><td class="line"> <span class='macro'>stat))<span class='expansion'>;</span></span>;</td></tr>
6502<tr><td class="num" id="LN6416">6416</td><td class="line"> </td></tr>
6503<tr><td class="num" id="LN6417">6417</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6504<tr><td class="num" id="LN6418">6418</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &amp;vnode,</td></tr>
6505<tr><td class="num" id="LN6419">6419</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
6506<tr><td class="num" id="LN6420">6420</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6507<tr><td class="num" id="LN6421">6421</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6508<tr><td class="num" id="LN6422">6422</td><td class="line"> </td></tr>
6509<tr><td class="num" id="LN6423">6423</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, read_stat, stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_stat != __null) ? vnode-&gt;ops-&gt;<br>read_stat(vnode-&gt;mount-&gt;volume, vnode, stat) : (panic("FS_CALL op "<br> "read_stat" " is NULL"), 0))</span></span>;</td></tr>
6510<tr><td class="num" id="LN6424">6424</td><td class="line"> </td></tr>
6511<tr><td class="num" id="LN6425">6425</td><td class="line"> <span class='comment'>// fill in the st_dev and st_ino fields</span></td></tr>
6512<tr><td class="num" id="LN6426">6426</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
6513<tr><td class="num" id="LN6427">6427</td><td class="line"> stat-&gt;st_dev = vnode-&gt;device;</td></tr>
6514<tr><td class="num" id="LN6428">6428</td><td class="line"> stat-&gt;st_ino = vnode-&gt;id;</td></tr>
6515<tr><td class="num" id="LN6429">6429</td><td class="line"> stat-&gt;st_rdev = -1;</td></tr>
6516<tr><td class="num" id="LN6430">6430</td><td class="line"> }</td></tr>
6517<tr><td class="num" id="LN6431">6431</td><td class="line"> </td></tr>
6518<tr><td class="num" id="LN6432">6432</td><td class="line"> put_vnode(vnode);</td></tr>
6519<tr><td class="num" id="LN6433">6433</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6520<tr><td class="num" id="LN6434">6434</td><td class="line">}</td></tr>
6521<tr><td class="num" id="LN6435">6435</td><td class="line"> </td></tr>
6522<tr><td class="num" id="LN6436">6436</td><td class="line"> </td></tr>
6523<tr><td class="num" id="LN6437">6437</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6524<tr><td class="num" id="LN6438">6438</td><td class="line">common_path_write_stat(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
6525<tr><td class="num" id="LN6439">6439</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat, <span class='keyword'>int</span> statMask, <span class='keyword'>bool</span> kernel)</td></tr>
6526<tr><td class="num" id="LN6440">6440</td><td class="line">{</td></tr>
6527<tr><td class="num" id="LN6441">6441</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"common_write_stat: fd: %d, path '%s', stat %p, stat_mask %d, "<span class='expansion'>;</span></span></span></td></tr>
6528<tr><td class="num" id="LN6442">6442</td><td class="line"> <span class='string_literal'><span class='macro'>"kernel %d\n"</span>, fd, path, stat, statMask, kernel))<span class='expansion'>;</span></span>;</td></tr>
6529<tr><td class="num" id="LN6443">6443</td><td class="line"> </td></tr>
6530<tr><td class="num" id="LN6444">6444</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6531<tr><td class="num" id="LN6445">6445</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &amp;vnode,</td></tr>
6532<tr><td class="num" id="LN6446">6446</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
6533<tr><td class="num" id="LN6447">6447</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6534<tr><td class="num" id="LN6448">6448</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6535<tr><td class="num" id="LN6449">6449</td><td class="line"> </td></tr>
6536<tr><td class="num" id="LN6450">6450</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, write_stat)<span class='expansion'>(vnode-&gt;ops-&gt;write_stat != __null)</span></span>)</td></tr>
6537<tr><td class="num" id="LN6451">6451</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, write_stat, stat, statMask)<span class='expansion'>( (vnode-&gt;ops-&gt;write_stat != __null) ? vnode-&gt;ops-&gt;<br>write_stat(vnode-&gt;mount-&gt;volume, vnode, stat, statMask)<br> : (panic("FS_CALL op " "write_stat" " is NULL"), 0))</span></span>;</td></tr>
6538<tr><td class="num" id="LN6452">6452</td><td class="line"> <span class='keyword'>else</span></td></tr>
6539<tr><td class="num" id="LN6453">6453</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6540<tr><td class="num" id="LN6454">6454</td><td class="line"> </td></tr>
6541<tr><td class="num" id="LN6455">6455</td><td class="line"> put_vnode(vnode);</td></tr>
6542<tr><td class="num" id="LN6456">6456</td><td class="line"> </td></tr>
6543<tr><td class="num" id="LN6457">6457</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6544<tr><td class="num" id="LN6458">6458</td><td class="line">}</td></tr>
6545<tr><td class="num" id="LN6459">6459</td><td class="line"> </td></tr>
6546<tr><td class="num" id="LN6460">6460</td><td class="line"> </td></tr>
6547<tr><td class="num" id="LN6461">6461</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
6548<tr><td class="num" id="LN6462">6462</td><td class="line">attr_dir_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink, <span class='keyword'>bool</span> kernel)</td></tr>
6549<tr><td class="num" id="LN6463">6463</td><td class="line">{</td></tr>
6550<tr><td class="num" id="LN6464">6464</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_open(fd = %d, path = '%s', kernel = %d)\n"</span>, fd, path,<span class='expansion'>;</span></span></td></tr>
6551<tr><td class="num" id="LN6465">6465</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
6552<tr><td class="num" id="LN6466">6466</td><td class="line"> </td></tr>
6553<tr><td class="num" id="LN6467">6467</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6554<tr><td class="num" id="LN6468">6468</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverseLeafLink, &amp;vnode,</td></tr>
6555<tr><td class="num" id="LN6469">6469</td><td class="line"> <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
6556<tr><td class="num" id="LN6470">6470</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6557<tr><td class="num" id="LN6471">6471</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6558<tr><td class="num" id="LN6472">6472</td><td class="line"> </td></tr>
6559<tr><td class="num" id="LN6473">6473</td><td class="line"> status = open_attr_dir_vnode(vnode, kernel);</td></tr>
6560<tr><td class="num" id="LN6474">6474</td><td class="line"> <span class='keyword'>if</span> (status &lt; 0)</td></tr>
6561<tr><td class="num" id="LN6475">6475</td><td class="line"> put_vnode(vnode);</td></tr>
6562<tr><td class="num" id="LN6476">6476</td><td class="line"> </td></tr>
6563<tr><td class="num" id="LN6477">6477</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6564<tr><td class="num" id="LN6478">6478</td><td class="line">}</td></tr>
6565<tr><td class="num" id="LN6479">6479</td><td class="line"> </td></tr>
6566<tr><td class="num" id="LN6480">6480</td><td class="line"> </td></tr>
6567<tr><td class="num" id="LN6481">6481</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6568<tr><td class="num" id="LN6482">6482</td><td class="line">attr_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
6569<tr><td class="num" id="LN6483">6483</td><td class="line">{</td></tr>
6570<tr><td class="num" id="LN6484">6484</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6571<tr><td class="num" id="LN6485">6485</td><td class="line"> </td></tr>
6572<tr><td class="num" id="LN6486">6486</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
6573<tr><td class="num" id="LN6487">6487</td><td class="line"> </td></tr>
6574<tr><td class="num" id="LN6488">6488</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close_attr_dir)<span class='expansion'>(vnode-&gt;ops-&gt;close_attr_dir != __null)</span></span>)</td></tr>
6575<tr><td class="num" id="LN6489">6489</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, close_attr_dir, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_attr_dir != __null) ? vnode-&gt;ops<br>-&gt;close_attr_dir(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie) : (panic("FS_CALL op " "close_attr_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
6576<tr><td class="num" id="LN6490">6490</td><td class="line"> </td></tr>
6577<tr><td class="num" id="LN6491">6491</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6578<tr><td class="num" id="LN6492">6492</td><td class="line">}</td></tr>
6579<tr><td class="num" id="LN6493">6493</td><td class="line"> </td></tr>
6580<tr><td class="num" id="LN6494">6494</td><td class="line"> </td></tr>
6581<tr><td class="num" id="LN6495">6495</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
6582<tr><td class="num" id="LN6496">6496</td><td class="line">attr_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
6583<tr><td class="num" id="LN6497">6497</td><td class="line">{</td></tr>
6584<tr><td class="num" id="LN6498">6498</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6585<tr><td class="num" id="LN6499">6499</td><td class="line"> </td></tr>
6586<tr><td class="num" id="LN6500">6500</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
6587<tr><td class="num" id="LN6501">6501</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_dir_cookie, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_attr_dir_cookie != __null) ? vnode-&gt;<br>ops-&gt;free_attr_dir_cookie(vnode-&gt;mount-&gt;volume, vnode<br>, descriptor-&gt;cookie) : (panic("FS_CALL op " "free_attr_dir_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
6588<tr><td class="num" id="LN6502">6502</td><td class="line"> put_vnode(vnode);</td></tr>
6589<tr><td class="num" id="LN6503">6503</td><td class="line"> }</td></tr>
6590<tr><td class="num" id="LN6504">6504</td><td class="line">}</td></tr>
6591<tr><td class="num" id="LN6505">6505</td><td class="line"> </td></tr>
6592<tr><td class="num" id="LN6506">6506</td><td class="line"> </td></tr>
6593<tr><td class="num" id="LN6507">6507</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6594<tr><td class="num" id="LN6508">6508</td><td class="line">attr_dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
6595<tr><td class="num" id="LN6509">6509</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
6596<tr><td class="num" id="LN6510">6510</td><td class="line">{</td></tr>
6597<tr><td class="num" id="LN6511">6511</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6598<tr><td class="num" id="LN6512">6512</td><td class="line"> </td></tr>
6599<tr><td class="num" id="LN6513">6513</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_read(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
6600<tr><td class="num" id="LN6514">6514</td><td class="line"> </td></tr>
6601<tr><td class="num" id="LN6515">6515</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, read_attr_dir)<span class='expansion'>(vnode-&gt;ops-&gt;read_attr_dir != __null)</span></span>)</td></tr>
6602<tr><td class="num" id="LN6516">6516</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read_attr_dir, descriptor-&gt;cookie, buffer,<span class='expansion'>( (vnode-&gt;ops-&gt;read_attr_dir != __null) ? vnode-&gt;ops<br>-&gt;read_attr_dir(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie, buffer, bufferSize, _count) : (panic("FS_CALL op "<br> "read_attr_dir" " is NULL"), 0))</span></span></td></tr>
6603<tr><td class="num" id="LN6517">6517</td><td class="line"> <span class='macro'>bufferSize, _count)<span class='expansion'>( (vnode-&gt;ops-&gt;read_attr_dir != __null) ? vnode-&gt;ops<br>-&gt;read_attr_dir(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie, buffer, bufferSize, _count) : (panic("FS_CALL op "<br> "read_attr_dir" " is NULL"), 0))</span></span>;</td></tr>
6604<tr><td class="num" id="LN6518">6518</td><td class="line"> </td></tr>
6605<tr><td class="num" id="LN6519">6519</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6606<tr><td class="num" id="LN6520">6520</td><td class="line">}</td></tr>
6607<tr><td class="num" id="LN6521">6521</td><td class="line"> </td></tr>
6608<tr><td class="num" id="LN6522">6522</td><td class="line"> </td></tr>
6609<tr><td class="num" id="LN6523">6523</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6610<tr><td class="num" id="LN6524">6524</td><td class="line">attr_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
6611<tr><td class="num" id="LN6525">6525</td><td class="line">{</td></tr>
6612<tr><td class="num" id="LN6526">6526</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6613<tr><td class="num" id="LN6527">6527</td><td class="line"> </td></tr>
6614<tr><td class="num" id="LN6528">6528</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_dir_rewind(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
6615<tr><td class="num" id="LN6529">6529</td><td class="line"> </td></tr>
6616<tr><td class="num" id="LN6530">6530</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, rewind_attr_dir)<span class='expansion'>(vnode-&gt;ops-&gt;rewind_attr_dir != __null)</span></span>)</td></tr>
6617<tr><td class="num" id="LN6531">6531</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, rewind_attr_dir, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;rewind_attr_dir != __null) ? vnode-&gt;ops<br>-&gt;rewind_attr_dir(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie) : (panic("FS_CALL op " "rewind_attr_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
6618<tr><td class="num" id="LN6532">6532</td><td class="line"> </td></tr>
6619<tr><td class="num" id="LN6533">6533</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6620<tr><td class="num" id="LN6534">6534</td><td class="line">}</td></tr>
6621<tr><td class="num" id="LN6535">6535</td><td class="line"> </td></tr>
6622<tr><td class="num" id="LN6536">6536</td><td class="line"> </td></tr>
6623<tr><td class="num" id="LN6537">6537</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
6624<tr><td class="num" id="LN6538">6538</td><td class="line">attr_create(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type,</td></tr>
6625<tr><td class="num" id="LN6539">6539</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
6626<tr><td class="num" id="LN6540">6540</td><td class="line">{</td></tr>
6627<tr><td class="num" id="LN6541">6541</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
6628<tr><td class="num" id="LN6542">6542</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6629<tr><td class="num" id="LN6543">6543</td><td class="line"> </td></tr>
6630<tr><td class="num" id="LN6544">6544</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode &amp; (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
6631<tr><td class="num" id="LN6545">6545</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6632<tr><td class="num" id="LN6546">6546</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverse, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
6633<tr><td class="num" id="LN6547">6547</td><td class="line"> kernel);</td></tr>
6634<tr><td class="num" id="LN6548">6548</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6635<tr><td class="num" id="LN6549">6549</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6636<tr><td class="num" id="LN6550">6550</td><td class="line"> </td></tr>
6637<tr><td class="num" id="LN6551">6551</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 &amp;&amp; <span class='macro'>S_ISLNK(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span>) {</td></tr>
6638<tr><td class="num" id="LN6552">6552</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
6639<tr><td class="num" id="LN6553">6553</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6640<tr><td class="num" id="LN6554">6554</td><td class="line"> }</td></tr>
6641<tr><td class="num" id="LN6555">6555</td><td class="line"> </td></tr>
6642<tr><td class="num" id="LN6556">6556</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, create_attr)<span class='expansion'>(vnode-&gt;ops-&gt;create_attr != __null)</span></span>) {</td></tr>
6643<tr><td class="num" id="LN6557">6557</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6644<tr><td class="num" id="LN6558">6558</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6645<tr><td class="num" id="LN6559">6559</td><td class="line"> }</td></tr>
6646<tr><td class="num" id="LN6560">6560</td><td class="line"> </td></tr>
6647<tr><td class="num" id="LN6561">6561</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
6648<tr><td class="num" id="LN6562">6562</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, create_attr, name, type, openMode, &amp;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;create_attr != __null) ? vnode-&gt;ops-&gt;<br>create_attr(vnode-&gt;mount-&gt;volume, vnode, name, type, openMode<br>, &amp;cookie) : (panic("FS_CALL op " "create_attr" " is NULL"<br>), 0))</span></span>;</td></tr>
6649<tr><td class="num" id="LN6563">6563</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6650<tr><td class="num" id="LN6564">6564</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6651<tr><td class="num" id="LN6565">6565</td><td class="line"> </td></tr>
6652<tr><td class="num" id="LN6566">6566</td><td class="line"> fd = get_new_fd(FDTYPE_ATTR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
6653<tr><td class="num" id="LN6567">6567</td><td class="line"> <span class='keyword'>if</span> (fd &gt;= 0)</td></tr>
6654<tr><td class="num" id="LN6568">6568</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
6655<tr><td class="num" id="LN6569">6569</td><td class="line"> </td></tr>
6656<tr><td class="num" id="LN6570">6570</td><td class="line"> status = fd;</td></tr>
6657<tr><td class="num" id="LN6571">6571</td><td class="line"> </td></tr>
6658<tr><td class="num" id="LN6572">6572</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_attr, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_attr != __null) ? vnode-&gt;ops-&gt;<br>close_attr(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_attr" " is NULL"), 0))</span></span>;</td></tr>
6659<tr><td class="num" id="LN6573">6573</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_cookie, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_attr_cookie != __null) ? vnode-&gt;<br>ops-&gt;free_attr_cookie(vnode-&gt;mount-&gt;volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_attr_cookie" " is NULL"), 0))</span></span>;</td></tr>
6660<tr><td class="num" id="LN6574">6574</td><td class="line"> </td></tr>
6661<tr><td class="num" id="LN6575">6575</td><td class="line"> <span class='macro'>FS_CALL(vnode, remove_attr, name)<span class='expansion'>( (vnode-&gt;ops-&gt;remove_attr != __null) ? vnode-&gt;ops-&gt;<br>remove_attr(vnode-&gt;mount-&gt;volume, vnode, name) : (panic<br>("FS_CALL op " "remove_attr" " is NULL"), 0))</span></span>;</td></tr>
6662<tr><td class="num" id="LN6576">6576</td><td class="line"> </td></tr>
6663<tr><td class="num" id="LN6577">6577</td><td class="line">err:</td></tr>
6664<tr><td class="num" id="LN6578">6578</td><td class="line"> put_vnode(vnode);</td></tr>
6665<tr><td class="num" id="LN6579">6579</td><td class="line"> </td></tr>
6666<tr><td class="num" id="LN6580">6580</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6667<tr><td class="num" id="LN6581">6581</td><td class="line">}</td></tr>
6668<tr><td class="num" id="LN6582">6582</td><td class="line"> </td></tr>
6669<tr><td class="num" id="LN6583">6583</td><td class="line"> </td></tr>
6670<tr><td class="num" id="LN6584">6584</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
6671<tr><td class="num" id="LN6585">6585</td><td class="line">attr_open(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> openMode, <span class='keyword'>bool</span> kernel)</td></tr>
6672<tr><td class="num" id="LN6586">6586</td><td class="line">{</td></tr>
6673<tr><td class="num" id="LN6587">6587</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
6674<tr><td class="num" id="LN6588">6588</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6675<tr><td class="num" id="LN6589">6589</td><td class="line"> </td></tr>
6676<tr><td class="num" id="LN6590">6590</td><td class="line"> <span class='keyword'>bool</span> traverse = (openMode &amp; (<span class='macro'>O_NOTRAVERSE<span class='expansion'>0x2000</span></span> | <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>)) == 0;</td></tr>
6677<tr><td class="num" id="LN6591">6591</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6678<tr><td class="num" id="LN6592">6592</td><td class="line"> status_t status = fd_and_path_to_vnode(fd, path, traverse, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
6679<tr><td class="num" id="LN6593">6593</td><td class="line"> kernel);</td></tr>
6680<tr><td class="num" id="LN6594">6594</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6681<tr><td class="num" id="LN6595">6595</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6682<tr><td class="num" id="LN6596">6596</td><td class="line"> </td></tr>
6683<tr><td class="num" id="LN6597">6597</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_NOFOLLOW<span class='expansion'>0x00080000</span></span>) != 0 &amp;&amp; <span class='macro'>S_ISLNK(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000120000)</span></span>) {</td></tr>
6684<tr><td class="num" id="LN6598">6598</td><td class="line"> status = <span class='macro'>B_LINK_LIMIT<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 12)</span></span>;</td></tr>
6685<tr><td class="num" id="LN6599">6599</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6686<tr><td class="num" id="LN6600">6600</td><td class="line"> }</td></tr>
6687<tr><td class="num" id="LN6601">6601</td><td class="line"> </td></tr>
6688<tr><td class="num" id="LN6602">6602</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, open_attr)<span class='expansion'>(vnode-&gt;ops-&gt;open_attr != __null)</span></span>) {</td></tr>
6689<tr><td class="num" id="LN6603">6603</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6690<tr><td class="num" id="LN6604">6604</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6691<tr><td class="num" id="LN6605">6605</td><td class="line"> }</td></tr>
6692<tr><td class="num" id="LN6606">6606</td><td class="line"> </td></tr>
6693<tr><td class="num" id="LN6607">6607</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
6694<tr><td class="num" id="LN6608">6608</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, open_attr, name, openMode, &amp;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;open_attr != __null) ? vnode-&gt;ops-&gt;<br>open_attr(vnode-&gt;mount-&gt;volume, vnode, name, openMode, &amp;<br>cookie) : (panic("FS_CALL op " "open_attr" " is NULL"), 0))</span></span>;</td></tr>
6695<tr><td class="num" id="LN6609">6609</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6696<tr><td class="num" id="LN6610">6610</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6697<tr><td class="num" id="LN6611">6611</td><td class="line"> </td></tr>
6698<tr><td class="num" id="LN6612">6612</td><td class="line"> <span class='comment'>// now we only need a file descriptor for this attribute and we're done</span></td></tr>
6699<tr><td class="num" id="LN6613">6613</td><td class="line"> fd = get_new_fd(FDTYPE_ATTR, <span class='macro'>NULL<span class='expansion'>__null</span></span>, vnode, cookie, openMode, kernel);</td></tr>
6700<tr><td class="num" id="LN6614">6614</td><td class="line"> <span class='keyword'>if</span> (fd &gt;= 0)</td></tr>
6701<tr><td class="num" id="LN6615">6615</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
6702<tr><td class="num" id="LN6616">6616</td><td class="line"> </td></tr>
6703<tr><td class="num" id="LN6617">6617</td><td class="line"> status = fd;</td></tr>
6704<tr><td class="num" id="LN6618">6618</td><td class="line"> </td></tr>
6705<tr><td class="num" id="LN6619">6619</td><td class="line"> <span class='macro'>FS_CALL(vnode, close_attr, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_attr != __null) ? vnode-&gt;ops-&gt;<br>close_attr(vnode-&gt;mount-&gt;volume, vnode, cookie) : (panic<br>("FS_CALL op " "close_attr" " is NULL"), 0))</span></span>;</td></tr>
6706<tr><td class="num" id="LN6620">6620</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_cookie, cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_attr_cookie != __null) ? vnode-&gt;<br>ops-&gt;free_attr_cookie(vnode-&gt;mount-&gt;volume, vnode, cookie<br>) : (panic("FS_CALL op " "free_attr_cookie" " is NULL"), 0))</span></span>;</td></tr>
6707<tr><td class="num" id="LN6621">6621</td><td class="line"> </td></tr>
6708<tr><td class="num" id="LN6622">6622</td><td class="line">err:</td></tr>
6709<tr><td class="num" id="LN6623">6623</td><td class="line"> put_vnode(vnode);</td></tr>
6710<tr><td class="num" id="LN6624">6624</td><td class="line"> </td></tr>
6711<tr><td class="num" id="LN6625">6625</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6712<tr><td class="num" id="LN6626">6626</td><td class="line">}</td></tr>
6713<tr><td class="num" id="LN6627">6627</td><td class="line"> </td></tr>
6714<tr><td class="num" id="LN6628">6628</td><td class="line"> </td></tr>
6715<tr><td class="num" id="LN6629">6629</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6716<tr><td class="num" id="LN6630">6630</td><td class="line">attr_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
6717<tr><td class="num" id="LN6631">6631</td><td class="line">{</td></tr>
6718<tr><td class="num" id="LN6632">6632</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6719<tr><td class="num" id="LN6633">6633</td><td class="line"> </td></tr>
6720<tr><td class="num" id="LN6634">6634</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
6721<tr><td class="num" id="LN6635">6635</td><td class="line"> </td></tr>
6722<tr><td class="num" id="LN6636">6636</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, close_attr)<span class='expansion'>(vnode-&gt;ops-&gt;close_attr != __null)</span></span>)</td></tr>
6723<tr><td class="num" id="LN6637">6637</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, close_attr, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;close_attr != __null) ? vnode-&gt;ops-&gt;<br>close_attr(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie) : (panic("FS_CALL op " "close_attr" " is NULL"), 0))</span></span>;</td></tr>
6724<tr><td class="num" id="LN6638">6638</td><td class="line"> </td></tr>
6725<tr><td class="num" id="LN6639">6639</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6726<tr><td class="num" id="LN6640">6640</td><td class="line">}</td></tr>
6727<tr><td class="num" id="LN6641">6641</td><td class="line"> </td></tr>
6728<tr><td class="num" id="LN6642">6642</td><td class="line"> </td></tr>
6729<tr><td class="num" id="LN6643">6643</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
6730<tr><td class="num" id="LN6644">6644</td><td class="line">attr_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
6731<tr><td class="num" id="LN6645">6645</td><td class="line">{</td></tr>
6732<tr><td class="num" id="LN6646">6646</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6733<tr><td class="num" id="LN6647">6647</td><td class="line"> </td></tr>
6734<tr><td class="num" id="LN6648">6648</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
6735<tr><td class="num" id="LN6649">6649</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_attr_cookie, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_attr_cookie != __null) ? vnode-&gt;<br>ops-&gt;free_attr_cookie(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie) : (panic("FS_CALL op " "free_attr_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
6736<tr><td class="num" id="LN6650">6650</td><td class="line"> put_vnode(vnode);</td></tr>
6737<tr><td class="num" id="LN6651">6651</td><td class="line"> }</td></tr>
6738<tr><td class="num" id="LN6652">6652</td><td class="line">}</td></tr>
6739<tr><td class="num" id="LN6653">6653</td><td class="line"> </td></tr>
6740<tr><td class="num" id="LN6654">6654</td><td class="line"> </td></tr>
6741<tr><td class="num" id="LN6655">6655</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6742<tr><td class="num" id="LN6656">6656</td><td class="line">attr_read(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>void</span>* buffer,</td></tr>
6743<tr><td class="num" id="LN6657">6657</td><td class="line"> size_t* length)</td></tr>
6744<tr><td class="num" id="LN6658">6658</td><td class="line">{</td></tr>
6745<tr><td class="num" id="LN6659">6659</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6746<tr><td class="num" id="LN6660">6660</td><td class="line"> </td></tr>
6747<tr><td class="num" id="LN6661">6661</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_read: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p = %ld\n"</span>, buffer,<span class='expansion'>;</span></span></td></tr>
6748<tr><td class="num" id="LN6662">6662</td><td class="line"> <span class='macro'>pos, length, *length))<span class='expansion'>;</span></span>;</td></tr>
6749<tr><td class="num" id="LN6663">6663</td><td class="line"> </td></tr>
6750<tr><td class="num" id="LN6664">6664</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_attr)<span class='expansion'>(vnode-&gt;ops-&gt;read_attr != __null)</span></span>)</td></tr>
6751<tr><td class="num" id="LN6665">6665</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6752<tr><td class="num" id="LN6666">6666</td><td class="line"> </td></tr>
6753<tr><td class="num" id="LN6667">6667</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read_attr, descriptor-&gt;cookie, pos, buffer, length)<span class='expansion'>( (vnode-&gt;ops-&gt;read_attr != __null) ? vnode-&gt;ops-&gt;<br>read_attr(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;cookie<br>, pos, buffer, length) : (panic("FS_CALL op " "read_attr" " is NULL"<br>), 0))</span></span>;</td></tr>
6754<tr><td class="num" id="LN6668">6668</td><td class="line">}</td></tr>
6755<tr><td class="num" id="LN6669">6669</td><td class="line"> </td></tr>
6756<tr><td class="num" id="LN6670">6670</td><td class="line"> </td></tr>
6757<tr><td class="num" id="LN6671">6671</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6758<tr><td class="num" id="LN6672">6672</td><td class="line">attr_write(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer,</td></tr>
6759<tr><td class="num" id="LN6673">6673</td><td class="line"> size_t* length)</td></tr>
6760<tr><td class="num" id="LN6674">6674</td><td class="line">{</td></tr>
6761<tr><td class="num" id="LN6675">6675</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6762<tr><td class="num" id="LN6676">6676</td><td class="line"> </td></tr>
6763<tr><td class="num" id="LN6677">6677</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_write: buf %p, pos %"</span> B_PRIdOFF <span class='string_literal'>", len %p\n"</span>, buffer, pos,<span class='expansion'>;</span></span></td></tr>
6764<tr><td class="num" id="LN6678">6678</td><td class="line"> <span class='macro'>length))<span class='expansion'>;</span></span>;</td></tr>
6765<tr><td class="num" id="LN6679">6679</td><td class="line"> </td></tr>
6766<tr><td class="num" id="LN6680">6680</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write_attr)<span class='expansion'>(vnode-&gt;ops-&gt;write_attr != __null)</span></span>)</td></tr>
6767<tr><td class="num" id="LN6681">6681</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6768<tr><td class="num" id="LN6682">6682</td><td class="line"> </td></tr>
6769<tr><td class="num" id="LN6683">6683</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write_attr, descriptor-&gt;cookie, pos, buffer, length)<span class='expansion'>( (vnode-&gt;ops-&gt;write_attr != __null) ? vnode-&gt;ops-&gt;<br>write_attr(vnode-&gt;mount-&gt;volume, vnode, descriptor-&gt;<br>cookie, pos, buffer, length) : (panic("FS_CALL op " "write_attr"<br> " is NULL"), 0))</span></span>;</td></tr>
6770<tr><td class="num" id="LN6684">6684</td><td class="line">}</td></tr>
6771<tr><td class="num" id="LN6685">6685</td><td class="line"> </td></tr>
6772<tr><td class="num" id="LN6686">6686</td><td class="line"> </td></tr>
6773<tr><td class="num" id="LN6687">6687</td><td class="line"><span class='keyword'>static</span> off_t</td></tr>
6774<tr><td class="num" id="LN6688">6688</td><td class="line">attr_seek(<span class='keyword'>struct</span> file_descriptor* descriptor, off_t pos, <span class='keyword'>int</span> seekType)</td></tr>
6775<tr><td class="num" id="LN6689">6689</td><td class="line">{</td></tr>
6776<tr><td class="num" id="LN6690">6690</td><td class="line"> off_t offset;</td></tr>
6777<tr><td class="num" id="LN6691">6691</td><td class="line"> </td></tr>
6778<tr><td class="num" id="LN6692">6692</td><td class="line"> <span class='keyword'>switch</span> (seekType) {</td></tr>
6779<tr><td class="num" id="LN6693">6693</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_SET<span class='expansion'>0</span></span>:</td></tr>
6780<tr><td class="num" id="LN6694">6694</td><td class="line"> offset = 0;</td></tr>
6781<tr><td class="num" id="LN6695">6695</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6782<tr><td class="num" id="LN6696">6696</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_CUR<span class='expansion'>1</span></span>:</td></tr>
6783<tr><td class="num" id="LN6697">6697</td><td class="line"> offset = descriptor-&gt;pos;</td></tr>
6784<tr><td class="num" id="LN6698">6698</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6785<tr><td class="num" id="LN6699">6699</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>SEEK_END<span class='expansion'>2</span></span>:</td></tr>
6786<tr><td class="num" id="LN6700">6700</td><td class="line"> {</td></tr>
6787<tr><td class="num" id="LN6701">6701</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6788<tr><td class="num" id="LN6702">6702</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_stat)<span class='expansion'>(vnode-&gt;ops-&gt;read_stat != __null)</span></span>)</td></tr>
6789<tr><td class="num" id="LN6703">6703</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6790<tr><td class="num" id="LN6704">6704</td><td class="line"> </td></tr>
6791<tr><td class="num" id="LN6705">6705</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
6792<tr><td class="num" id="LN6706">6706</td><td class="line"> status_t status = <span class='macro'>FS_CALL(vnode, read_attr_stat, descriptor-&gt;cookie,<span class='expansion'>( (vnode-&gt;ops-&gt;read_attr_stat != __null) ? vnode-&gt;ops<br>-&gt;read_attr_stat(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie, &amp;stat) : (panic("FS_CALL op " "read_attr_stat"<br> " is NULL"), 0))</span></span></td></tr>
6793<tr><td class="num" id="LN6707">6707</td><td class="line"> <span class='macro'>&amp;stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_attr_stat != __null) ? vnode-&gt;ops<br>-&gt;read_attr_stat(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie, &amp;stat) : (panic("FS_CALL op " "read_attr_stat"<br> " is NULL"), 0))</span></span>;</td></tr>
6794<tr><td class="num" id="LN6708">6708</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6795<tr><td class="num" id="LN6709">6709</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6796<tr><td class="num" id="LN6710">6710</td><td class="line"> </td></tr>
6797<tr><td class="num" id="LN6711">6711</td><td class="line"> offset = stat.st_size;</td></tr>
6798<tr><td class="num" id="LN6712">6712</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
6799<tr><td class="num" id="LN6713">6713</td><td class="line"> }</td></tr>
6800<tr><td class="num" id="LN6714">6714</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
6801<tr><td class="num" id="LN6715">6715</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6802<tr><td class="num" id="LN6716">6716</td><td class="line"> }</td></tr>
6803<tr><td class="num" id="LN6717">6717</td><td class="line"> </td></tr>
6804<tr><td class="num" id="LN6718">6718</td><td class="line"> <span class='comment'>// assumes off_t is 64 bits wide</span></td></tr>
6805<tr><td class="num" id="LN6719">6719</td><td class="line"> <span class='keyword'>if</span> (offset &gt; 0 &amp;&amp; <span class='macro'>LONGLONG_MAX<span class='expansion'>(9223372036854775807LL)</span></span> - offset &lt; pos)</td></tr>
6806<tr><td class="num" id="LN6720">6720</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
6807<tr><td class="num" id="LN6721">6721</td><td class="line"> </td></tr>
6808<tr><td class="num" id="LN6722">6722</td><td class="line"> pos += offset;</td></tr>
6809<tr><td class="num" id="LN6723">6723</td><td class="line"> <span class='keyword'>if</span> (pos &lt; 0)</td></tr>
6810<tr><td class="num" id="LN6724">6724</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6811<tr><td class="num" id="LN6725">6725</td><td class="line"> </td></tr>
6812<tr><td class="num" id="LN6726">6726</td><td class="line"> <span class='keyword'>return</span> descriptor-&gt;pos = pos;</td></tr>
6813<tr><td class="num" id="LN6727">6727</td><td class="line">}</td></tr>
6814<tr><td class="num" id="LN6728">6728</td><td class="line"> </td></tr>
6815<tr><td class="num" id="LN6729">6729</td><td class="line"> </td></tr>
6816<tr><td class="num" id="LN6730">6730</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6817<tr><td class="num" id="LN6731">6731</td><td class="line">attr_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> stat* stat)</td></tr>
6818<tr><td class="num" id="LN6732">6732</td><td class="line">{</td></tr>
6819<tr><td class="num" id="LN6733">6733</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6820<tr><td class="num" id="LN6734">6734</td><td class="line"> </td></tr>
6821<tr><td class="num" id="LN6735">6735</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_read_stat: stat 0x%p\n"</span>, stat))<span class='expansion'>;</span></span>;</td></tr>
6822<tr><td class="num" id="LN6736">6736</td><td class="line"> </td></tr>
6823<tr><td class="num" id="LN6737">6737</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_attr_stat)<span class='expansion'>(vnode-&gt;ops-&gt;read_attr_stat != __null)</span></span>)</td></tr>
6824<tr><td class="num" id="LN6738">6738</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6825<tr><td class="num" id="LN6739">6739</td><td class="line"> </td></tr>
6826<tr><td class="num" id="LN6740">6740</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, read_attr_stat, descriptor-&gt;cookie, stat)<span class='expansion'>( (vnode-&gt;ops-&gt;read_attr_stat != __null) ? vnode-&gt;ops<br>-&gt;read_attr_stat(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie, stat) : (panic("FS_CALL op " "read_attr_stat" " is NULL"<br>), 0))</span></span>;</td></tr>
6827<tr><td class="num" id="LN6741">6741</td><td class="line">}</td></tr>
6828<tr><td class="num" id="LN6742">6742</td><td class="line"> </td></tr>
6829<tr><td class="num" id="LN6743">6743</td><td class="line"> </td></tr>
6830<tr><td class="num" id="LN6744">6744</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6831<tr><td class="num" id="LN6745">6745</td><td class="line">attr_write_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat,</td></tr>
6832<tr><td class="num" id="LN6746">6746</td><td class="line"> <span class='keyword'>int</span> statMask)</td></tr>
6833<tr><td class="num" id="LN6747">6747</td><td class="line">{</td></tr>
6834<tr><td class="num" id="LN6748">6748</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
6835<tr><td class="num" id="LN6749">6749</td><td class="line"> </td></tr>
6836<tr><td class="num" id="LN6750">6750</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_write_stat: stat = %p, statMask %d\n"</span>, stat, statMask))<span class='expansion'>;</span></span>;</td></tr>
6837<tr><td class="num" id="LN6751">6751</td><td class="line"> </td></tr>
6838<tr><td class="num" id="LN6752">6752</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, write_attr_stat)<span class='expansion'>(vnode-&gt;ops-&gt;write_attr_stat != __null)</span></span>)</td></tr>
6839<tr><td class="num" id="LN6753">6753</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6840<tr><td class="num" id="LN6754">6754</td><td class="line"> </td></tr>
6841<tr><td class="num" id="LN6755">6755</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_CALL(vnode, write_attr_stat, descriptor-&gt;cookie, stat, statMask)<span class='expansion'>( (vnode-&gt;ops-&gt;write_attr_stat != __null) ? vnode-&gt;ops<br>-&gt;write_attr_stat(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie, stat, statMask) : (panic("FS_CALL op " "write_attr_stat"<br> " is NULL"), 0))</span></span>;</td></tr>
6842<tr><td class="num" id="LN6756">6756</td><td class="line">}</td></tr>
6843<tr><td class="num" id="LN6757">6757</td><td class="line"> </td></tr>
6844<tr><td class="num" id="LN6758">6758</td><td class="line"> </td></tr>
6845<tr><td class="num" id="LN6759">6759</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6846<tr><td class="num" id="LN6760">6760</td><td class="line">attr_remove(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>bool</span> kernel)</td></tr>
6847<tr><td class="num" id="LN6761">6761</td><td class="line">{</td></tr>
6848<tr><td class="num" id="LN6762">6762</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
6849<tr><td class="num" id="LN6763">6763</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
6850<tr><td class="num" id="LN6764">6764</td><td class="line"> status_t status;</td></tr>
6851<tr><td class="num" id="LN6765">6765</td><td class="line"> </td></tr>
6852<tr><td class="num" id="LN6766">6766</td><td class="line"> <span class='keyword'>if</span> (name == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *name == '\0')</td></tr>
6853<tr><td class="num" id="LN6767">6767</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6854<tr><td class="num" id="LN6768">6768</td><td class="line"> </td></tr>
6855<tr><td class="num" id="LN6769">6769</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_remove: fd = %d, name = \"%s\", kernel %d\n"</span>, fd, name,<span class='expansion'>;</span></span></td></tr>
6856<tr><td class="num" id="LN6770">6770</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
6857<tr><td class="num" id="LN6771">6771</td><td class="line"> </td></tr>
6858<tr><td class="num" id="LN6772">6772</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, kernel);</td></tr>
6859<tr><td class="num" id="LN6773">6773</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
6860<tr><td class="num" id="LN6774">6774</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6861<tr><td class="num" id="LN6775">6775</td><td class="line"> </td></tr>
6862<tr><td class="num" id="LN6776">6776</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(vnode, remove_attr)<span class='expansion'>(vnode-&gt;ops-&gt;remove_attr != __null)</span></span>)</td></tr>
6863<tr><td class="num" id="LN6777">6777</td><td class="line"> status = <span class='macro'>FS_CALL(vnode, remove_attr, name)<span class='expansion'>( (vnode-&gt;ops-&gt;remove_attr != __null) ? vnode-&gt;ops-&gt;<br>remove_attr(vnode-&gt;mount-&gt;volume, vnode, name) : (panic<br>("FS_CALL op " "remove_attr" " is NULL"), 0))</span></span>;</td></tr>
6864<tr><td class="num" id="LN6778">6778</td><td class="line"> <span class='keyword'>else</span></td></tr>
6865<tr><td class="num" id="LN6779">6779</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6866<tr><td class="num" id="LN6780">6780</td><td class="line"> </td></tr>
6867<tr><td class="num" id="LN6781">6781</td><td class="line"> put_fd(descriptor);</td></tr>
6868<tr><td class="num" id="LN6782">6782</td><td class="line"> </td></tr>
6869<tr><td class="num" id="LN6783">6783</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6870<tr><td class="num" id="LN6784">6784</td><td class="line">}</td></tr>
6871<tr><td class="num" id="LN6785">6785</td><td class="line"> </td></tr>
6872<tr><td class="num" id="LN6786">6786</td><td class="line"> </td></tr>
6873<tr><td class="num" id="LN6787">6787</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6874<tr><td class="num" id="LN6788">6788</td><td class="line">attr_rename(<span class='keyword'>int</span> fromFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* fromName, <span class='keyword'>int</span> toFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* toName,</td></tr>
6875<tr><td class="num" id="LN6789">6789</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
6876<tr><td class="num" id="LN6790">6790</td><td class="line">{</td></tr>
6877<tr><td class="num" id="LN6791">6791</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* fromDescriptor;</td></tr>
6878<tr><td class="num" id="LN6792">6792</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* toDescriptor;</td></tr>
6879<tr><td class="num" id="LN6793">6793</td><td class="line"> <span class='keyword'>struct</span> vnode* fromVnode;</td></tr>
6880<tr><td class="num" id="LN6794">6794</td><td class="line"> <span class='keyword'>struct</span> vnode* toVnode;</td></tr>
6881<tr><td class="num" id="LN6795">6795</td><td class="line"> status_t status;</td></tr>
6882<tr><td class="num" id="LN6796">6796</td><td class="line"> </td></tr>
6883<tr><td class="num" id="LN6797">6797</td><td class="line"> <span class='keyword'>if</span> (fromName == <span class='macro'>NULL<span class='expansion'>__null</span></span> || *fromName == '\0' || toName == <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
6884<tr><td class="num" id="LN6798">6798</td><td class="line"> || *toName == '\0')</td></tr>
6885<tr><td class="num" id="LN6799">6799</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
6886<tr><td class="num" id="LN6800">6800</td><td class="line"> </td></tr>
6887<tr><td class="num" id="LN6801">6801</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"attr_rename: from fd = %d, from name = \"%s\", to fd = %d, to "<span class='expansion'>;</span></span></span></td></tr>
6888<tr><td class="num" id="LN6802">6802</td><td class="line"> <span class='string_literal'><span class='macro'>"name = \"%s\", kernel %d\n"</span>, fromFD, fromName, toFD, toName, kernel))<span class='expansion'>;</span></span>;</td></tr>
6889<tr><td class="num" id="LN6803">6803</td><td class="line"> </td></tr>
6890<tr><td class="num" id="LN6804">6804</td><td class="line"> fromDescriptor = get_fd_and_vnode(fromFD, &amp;fromVnode, kernel);</td></tr>
6891<tr><td class="num" id="LN6805">6805</td><td class="line"> <span class='keyword'>if</span> (fromDescriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
6892<tr><td class="num" id="LN6806">6806</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6893<tr><td class="num" id="LN6807">6807</td><td class="line"> </td></tr>
6894<tr><td class="num" id="LN6808">6808</td><td class="line"> toDescriptor = get_fd_and_vnode(toFD, &amp;toVnode, kernel);</td></tr>
6895<tr><td class="num" id="LN6809">6809</td><td class="line"> <span class='keyword'>if</span> (toDescriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
6896<tr><td class="num" id="LN6810">6810</td><td class="line"> status = <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
6897<tr><td class="num" id="LN6811">6811</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
6898<tr><td class="num" id="LN6812">6812</td><td class="line"> }</td></tr>
6899<tr><td class="num" id="LN6813">6813</td><td class="line"> </td></tr>
6900<tr><td class="num" id="LN6814">6814</td><td class="line"> <span class='comment'>// are the files on the same volume?</span></td></tr>
6901<tr><td class="num" id="LN6815">6815</td><td class="line"> <span class='keyword'>if</span> (fromVnode-&gt;device != toVnode-&gt;device) {</td></tr>
6902<tr><td class="num" id="LN6816">6816</td><td class="line"> status = <span class='macro'>B_CROSS_DEVICE_LINK<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 11)</span></span>;</td></tr>
6903<tr><td class="num" id="LN6817">6817</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
6904<tr><td class="num" id="LN6818">6818</td><td class="line"> }</td></tr>
6905<tr><td class="num" id="LN6819">6819</td><td class="line"> </td></tr>
6906<tr><td class="num" id="LN6820">6820</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_CALL(fromVnode, rename_attr)<span class='expansion'>(fromVnode-&gt;ops-&gt;rename_attr != __null)</span></span>) {</td></tr>
6907<tr><td class="num" id="LN6821">6821</td><td class="line"> status = <span class='macro'>FS_CALL(fromVnode, rename_attr, fromName, toVnode, toName)<span class='expansion'>( (fromVnode-&gt;ops-&gt;rename_attr != __null) ? fromVnode-&gt;<br>ops-&gt;rename_attr(fromVnode-&gt;mount-&gt;volume, fromVnode<br>, fromName, toVnode, toName) : (panic("FS_CALL op " "rename_attr"<br> " is NULL"), 0))</span></span>;</td></tr>
6908<tr><td class="num" id="LN6822">6822</td><td class="line"> } <span class='keyword'>else</span></td></tr>
6909<tr><td class="num" id="LN6823">6823</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
6910<tr><td class="num" id="LN6824">6824</td><td class="line"> </td></tr>
6911<tr><td class="num" id="LN6825">6825</td><td class="line">err1:</td></tr>
6912<tr><td class="num" id="LN6826">6826</td><td class="line"> put_fd(toDescriptor);</td></tr>
6913<tr><td class="num" id="LN6827">6827</td><td class="line">err:</td></tr>
6914<tr><td class="num" id="LN6828">6828</td><td class="line"> put_fd(fromDescriptor);</td></tr>
6915<tr><td class="num" id="LN6829">6829</td><td class="line"> </td></tr>
6916<tr><td class="num" id="LN6830">6830</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6917<tr><td class="num" id="LN6831">6831</td><td class="line">}</td></tr>
6918<tr><td class="num" id="LN6832">6832</td><td class="line"> </td></tr>
6919<tr><td class="num" id="LN6833">6833</td><td class="line"> </td></tr>
6920<tr><td class="num" id="LN6834">6834</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
6921<tr><td class="num" id="LN6835">6835</td><td class="line">index_dir_open(dev_t mountID, <span class='keyword'>bool</span> kernel)</td></tr>
6922<tr><td class="num" id="LN6836">6836</td><td class="line">{</td></tr>
6923<tr><td class="num" id="LN6837">6837</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
6924<tr><td class="num" id="LN6838">6838</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
6925<tr><td class="num" id="LN6839">6839</td><td class="line"> </td></tr>
6926<tr><td class="num" id="LN6840">6840</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_dir_open(mountID = %"</span> B_PRId32 <span class='string_literal'>", kernel = %d)\n"</span>, mountID,<span class='expansion'>;</span></span></td></tr>
6927<tr><td class="num" id="LN6841">6841</td><td class="line"> <span class='macro'>kernel))<span class='expansion'>;</span></span>;</td></tr>
6928<tr><td class="num" id="LN6842">6842</td><td class="line"> </td></tr>
6929<tr><td class="num" id="LN6843">6843</td><td class="line"> status_t status = get_mount(mountID, &amp;mount);</td></tr>
6930<tr><td class="num" id="LN6844">6844</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6931<tr><td class="num" id="LN6845">6845</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6932<tr><td class="num" id="LN6846">6846</td><td class="line"> </td></tr>
6933<tr><td class="num" id="LN6847">6847</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, open_index_dir)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;open_index_dir != __null)</span></span>) {</td></tr>
6934<tr><td class="num" id="LN6848">6848</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6935<tr><td class="num" id="LN6849">6849</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
6936<tr><td class="num" id="LN6850">6850</td><td class="line"> }</td></tr>
6937<tr><td class="num" id="LN6851">6851</td><td class="line"> </td></tr>
6938<tr><td class="num" id="LN6852">6852</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, open_index_dir, &amp;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;open_index_dir != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;open_index_dir(mount-&gt;volume, &amp;<br>cookie) : (panic("FS_MOUNT_CALL op " "open_index_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
6939<tr><td class="num" id="LN6853">6853</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
6940<tr><td class="num" id="LN6854">6854</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
6941<tr><td class="num" id="LN6855">6855</td><td class="line"> </td></tr>
6942<tr><td class="num" id="LN6856">6856</td><td class="line"> <span class='comment'>// get fd for the index directory</span></td></tr>
6943<tr><td class="num" id="LN6857">6857</td><td class="line"> <span class='keyword'>int</span> fd;</td></tr>
6944<tr><td class="num" id="LN6858">6858</td><td class="line"> fd = get_new_fd(FDTYPE_INDEX_DIR, mount, <span class='macro'>NULL<span class='expansion'>__null</span></span>, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>, kernel);</td></tr>
6945<tr><td class="num" id="LN6859">6859</td><td class="line"> <span class='keyword'>if</span> (fd &gt;= 0)</td></tr>
6946<tr><td class="num" id="LN6860">6860</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
6947<tr><td class="num" id="LN6861">6861</td><td class="line"> </td></tr>
6948<tr><td class="num" id="LN6862">6862</td><td class="line"> <span class='comment'>// something went wrong</span></td></tr>
6949<tr><td class="num" id="LN6863">6863</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, close_index_dir, cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;close_index_dir != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;close_index_dir(mount-&gt;volume, cookie<br>) : (panic("FS_MOUNT_CALL op " "close_index_dir" " is NULL"),<br> 0))</span></span>;</td></tr>
6950<tr><td class="num" id="LN6864">6864</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_index_dir_cookie, cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;free_index_dir_cookie != __null<br>) ? mount-&gt;volume-&gt;ops-&gt;free_index_dir_cookie(mount-&gt;<br>volume, cookie) : (panic("FS_MOUNT_CALL op " "free_index_dir_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
6951<tr><td class="num" id="LN6865">6865</td><td class="line"> </td></tr>
6952<tr><td class="num" id="LN6866">6866</td><td class="line"> status = fd;</td></tr>
6953<tr><td class="num" id="LN6867">6867</td><td class="line"> </td></tr>
6954<tr><td class="num" id="LN6868">6868</td><td class="line">error:</td></tr>
6955<tr><td class="num" id="LN6869">6869</td><td class="line"> put_mount(mount);</td></tr>
6956<tr><td class="num" id="LN6870">6870</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
6957<tr><td class="num" id="LN6871">6871</td><td class="line">}</td></tr>
6958<tr><td class="num" id="LN6872">6872</td><td class="line"> </td></tr>
6959<tr><td class="num" id="LN6873">6873</td><td class="line"> </td></tr>
6960<tr><td class="num" id="LN6874">6874</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6961<tr><td class="num" id="LN6875">6875</td><td class="line">index_dir_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
6962<tr><td class="num" id="LN6876">6876</td><td class="line">{</td></tr>
6963<tr><td class="num" id="LN6877">6877</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
6964<tr><td class="num" id="LN6878">6878</td><td class="line"> </td></tr>
6965<tr><td class="num" id="LN6879">6879</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_dir_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
6966<tr><td class="num" id="LN6880">6880</td><td class="line"> </td></tr>
6967<tr><td class="num" id="LN6881">6881</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, close_index_dir)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;close_index_dir != __null)</span></span>)</td></tr>
6968<tr><td class="num" id="LN6882">6882</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, close_index_dir, descriptor-&gt;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;close_index_dir != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;close_index_dir(mount-&gt;volume, descriptor<br>-&gt;cookie) : (panic("FS_MOUNT_CALL op " "close_index_dir" " is NULL"<br>), 0))</span></span>;</td></tr>
6969<tr><td class="num" id="LN6883">6883</td><td class="line"> </td></tr>
6970<tr><td class="num" id="LN6884">6884</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
6971<tr><td class="num" id="LN6885">6885</td><td class="line">}</td></tr>
6972<tr><td class="num" id="LN6886">6886</td><td class="line"> </td></tr>
6973<tr><td class="num" id="LN6887">6887</td><td class="line"> </td></tr>
6974<tr><td class="num" id="LN6888">6888</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
6975<tr><td class="num" id="LN6889">6889</td><td class="line">index_dir_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
6976<tr><td class="num" id="LN6890">6890</td><td class="line">{</td></tr>
6977<tr><td class="num" id="LN6891">6891</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
6978<tr><td class="num" id="LN6892">6892</td><td class="line"> </td></tr>
6979<tr><td class="num" id="LN6893">6893</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
6980<tr><td class="num" id="LN6894">6894</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_index_dir_cookie, descriptor-&gt;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;free_index_dir_cookie != __null<br>) ? mount-&gt;volume-&gt;ops-&gt;free_index_dir_cookie(mount-&gt;<br>volume, descriptor-&gt;cookie) : (panic("FS_MOUNT_CALL op " "free_index_dir_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
6981<tr><td class="num" id="LN6895">6895</td><td class="line"> put_mount(mount);</td></tr>
6982<tr><td class="num" id="LN6896">6896</td><td class="line"> }</td></tr>
6983<tr><td class="num" id="LN6897">6897</td><td class="line">}</td></tr>
6984<tr><td class="num" id="LN6898">6898</td><td class="line"> </td></tr>
6985<tr><td class="num" id="LN6899">6899</td><td class="line"> </td></tr>
6986<tr><td class="num" id="LN6900">6900</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
6987<tr><td class="num" id="LN6901">6901</td><td class="line">index_dir_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
6988<tr><td class="num" id="LN6902">6902</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
6989<tr><td class="num" id="LN6903">6903</td><td class="line">{</td></tr>
6990<tr><td class="num" id="LN6904">6904</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
6991<tr><td class="num" id="LN6905">6905</td><td class="line"> </td></tr>
6992<tr><td class="num" id="LN6906">6906</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_index_dir)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;read_index_dir != __null)</span></span>) {</td></tr>
6993<tr><td class="num" id="LN6907">6907</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, read_index_dir, descriptor-&gt;cookie, buffer,<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;read_index_dir != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;read_index_dir(mount-&gt;volume, descriptor<br>-&gt;cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_index_dir" " is NULL"), 0))</span></span></td></tr>
6994<tr><td class="num" id="LN6908">6908</td><td class="line"> <span class='macro'>bufferSize, _count)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;read_index_dir != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;read_index_dir(mount-&gt;volume, descriptor<br>-&gt;cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_index_dir" " is NULL"), 0))</span></span>;</td></tr>
6995<tr><td class="num" id="LN6909">6909</td><td class="line"> }</td></tr>
6996<tr><td class="num" id="LN6910">6910</td><td class="line"> </td></tr>
6997<tr><td class="num" id="LN6911">6911</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
6998<tr><td class="num" id="LN6912">6912</td><td class="line">}</td></tr>
6999<tr><td class="num" id="LN6913">6913</td><td class="line"> </td></tr>
7000<tr><td class="num" id="LN6914">6914</td><td class="line"> </td></tr>
7001<tr><td class="num" id="LN6915">6915</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7002<tr><td class="num" id="LN6916">6916</td><td class="line">index_dir_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
7003<tr><td class="num" id="LN6917">6917</td><td class="line">{</td></tr>
7004<tr><td class="num" id="LN6918">6918</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
7005<tr><td class="num" id="LN6919">6919</td><td class="line"> </td></tr>
7006<tr><td class="num" id="LN6920">6920</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, rewind_index_dir)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;rewind_index_dir != __null)</span></span>)</td></tr>
7007<tr><td class="num" id="LN6921">6921</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, rewind_index_dir, descriptor-&gt;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;rewind_index_dir != __null) ?<br> mount-&gt;volume-&gt;ops-&gt;rewind_index_dir(mount-&gt;volume<br>, descriptor-&gt;cookie) : (panic("FS_MOUNT_CALL op " "rewind_index_dir"<br> " is NULL"), 0))</span></span>;</td></tr>
7008<tr><td class="num" id="LN6922">6922</td><td class="line"> </td></tr>
7009<tr><td class="num" id="LN6923">6923</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
7010<tr><td class="num" id="LN6924">6924</td><td class="line">}</td></tr>
7011<tr><td class="num" id="LN6925">6925</td><td class="line"> </td></tr>
7012<tr><td class="num" id="LN6926">6926</td><td class="line"> </td></tr>
7013<tr><td class="num" id="LN6927">6927</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7014<tr><td class="num" id="LN6928">6928</td><td class="line">index_create(dev_t mountID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type, uint32 flags,</td></tr>
7015<tr><td class="num" id="LN6929">6929</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
7016<tr><td class="num" id="LN6930">6930</td><td class="line">{</td></tr>
7017<tr><td class="num" id="LN6931">6931</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_create(mountID = %"</span> B_PRId32 <span class='string_literal'>", name = %s, kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
7018<tr><td class="num" id="LN6932">6932</td><td class="line"> <span class='macro'>mountID, name, kernel))<span class='expansion'>;</span></span>;</td></tr>
7019<tr><td class="num" id="LN6933">6933</td><td class="line"> </td></tr>
7020<tr><td class="num" id="LN6934">6934</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7021<tr><td class="num" id="LN6935">6935</td><td class="line"> status_t status = get_mount(mountID, &amp;mount);</td></tr>
7022<tr><td class="num" id="LN6936">6936</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7023<tr><td class="num" id="LN6937">6937</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7024<tr><td class="num" id="LN6938">6938</td><td class="line"> </td></tr>
7025<tr><td class="num" id="LN6939">6939</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, create_index)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;create_index != __null)</span></span>) {</td></tr>
7026<tr><td class="num" id="LN6940">6940</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
7027<tr><td class="num" id="LN6941">6941</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
7028<tr><td class="num" id="LN6942">6942</td><td class="line"> }</td></tr>
7029<tr><td class="num" id="LN6943">6943</td><td class="line"> </td></tr>
7030<tr><td class="num" id="LN6944">6944</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, create_index, name, type, flags)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;create_index != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;create_index(mount-&gt;volume, name, type<br>, flags) : (panic("FS_MOUNT_CALL op " "create_index" " is NULL"<br>), 0))</span></span>;</td></tr>
7031<tr><td class="num" id="LN6945">6945</td><td class="line"> </td></tr>
7032<tr><td class="num" id="LN6946">6946</td><td class="line">out:</td></tr>
7033<tr><td class="num" id="LN6947">6947</td><td class="line"> put_mount(mount);</td></tr>
7034<tr><td class="num" id="LN6948">6948</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7035<tr><td class="num" id="LN6949">6949</td><td class="line">}</td></tr>
7036<tr><td class="num" id="LN6950">6950</td><td class="line"> </td></tr>
7037<tr><td class="num" id="LN6951">6951</td><td class="line"> </td></tr>
7038<tr><td class="num" id="LN6952">6952</td><td class="line"><span class='directive'>#if 0</span></td></tr>
7039<tr><td class="num" id="LN6953">6953</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7040<tr><td class="num" id="LN6954">6954</td><td class="line">index_read_stat(<span class='keyword'>struct</span> file_descriptor* descriptor, <span class='keyword'>struct</span> stat* stat)</td></tr>
7041<tr><td class="num" id="LN6955">6955</td><td class="line">{</td></tr>
7042<tr><td class="num" id="LN6956">6956</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
7043<tr><td class="num" id="LN6957">6957</td><td class="line"> </td></tr>
7044<tr><td class="num" id="LN6958">6958</td><td class="line"> <span class='comment'>// ToDo: currently unused!</span></td></tr>
7045<tr><td class="num" id="LN6959">6959</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_read_stat: stat 0x%p\n"</span>, stat))<span class='expansion'>;</span></span>;</td></tr>
7046<tr><td class="num" id="LN6960">6960</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(vnode, read_index_stat)<span class='expansion'>(vnode-&gt;ops-&gt;read_index_stat != __null)</span></span>)</td></tr>
7047<tr><td class="num" id="LN6961">6961</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
7048<tr><td class="num" id="LN6962">6962</td><td class="line"> </td></tr>
7049<tr><td class="num" id="LN6963">6963</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
7050<tr><td class="num" id="LN6964">6964</td><td class="line"> <span class='comment'>//return FS_CALL(vnode, read_index_stat, descriptor-&gt;cookie, stat);</span></td></tr>
7051<tr><td class="num" id="LN6965">6965</td><td class="line">}</td></tr>
7052<tr><td class="num" id="LN6966">6966</td><td class="line"> </td></tr>
7053<tr><td class="num" id="LN6967">6967</td><td class="line"> </td></tr>
7054<tr><td class="num" id="LN6968">6968</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
7055<tr><td class="num" id="LN6969">6969</td><td class="line">index_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
7056<tr><td class="num" id="LN6970">6970</td><td class="line">{</td></tr>
7057<tr><td class="num" id="LN6971">6971</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = descriptor-&gt;u.vnode;</td></tr>
7058<tr><td class="num" id="LN6972">6972</td><td class="line"> </td></tr>
7059<tr><td class="num" id="LN6973">6973</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7060<tr><td class="num" id="LN6974">6974</td><td class="line"> <span class='macro'>FS_CALL(vnode, free_index_cookie, descriptor-&gt;cookie)<span class='expansion'>( (vnode-&gt;ops-&gt;free_index_cookie != __null) ? vnode-&gt;<br>ops-&gt;free_index_cookie(vnode-&gt;mount-&gt;volume, vnode, descriptor<br>-&gt;cookie) : (panic("FS_CALL op " "free_index_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
7061<tr><td class="num" id="LN6975">6975</td><td class="line"> put_vnode(vnode);</td></tr>
7062<tr><td class="num" id="LN6976">6976</td><td class="line"> }</td></tr>
7063<tr><td class="num" id="LN6977">6977</td><td class="line">}</td></tr>
7064<tr><td class="num" id="LN6978">6978</td><td class="line"><span class='directive'>#endif</span></td></tr>
7065<tr><td class="num" id="LN6979">6979</td><td class="line"> </td></tr>
7066<tr><td class="num" id="LN6980">6980</td><td class="line"> </td></tr>
7067<tr><td class="num" id="LN6981">6981</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7068<tr><td class="num" id="LN6982">6982</td><td class="line">index_name_read_stat(dev_t mountID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> stat* stat,</td></tr>
7069<tr><td class="num" id="LN6983">6983</td><td class="line"> <span class='keyword'>bool</span> kernel)</td></tr>
7070<tr><td class="num" id="LN6984">6984</td><td class="line">{</td></tr>
7071<tr><td class="num" id="LN6985">6985</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_remove(mountID = %"</span> B_PRId32 <span class='string_literal'>", name = %s, kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
7072<tr><td class="num" id="LN6986">6986</td><td class="line"> <span class='macro'>mountID, name, kernel))<span class='expansion'>;</span></span>;</td></tr>
7073<tr><td class="num" id="LN6987">6987</td><td class="line"> </td></tr>
7074<tr><td class="num" id="LN6988">6988</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7075<tr><td class="num" id="LN6989">6989</td><td class="line"> status_t status = get_mount(mountID, &amp;mount);</td></tr>
7076<tr><td class="num" id="LN6990">6990</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7077<tr><td class="num" id="LN6991">6991</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7078<tr><td class="num" id="LN6992">6992</td><td class="line"> </td></tr>
7079<tr><td class="num" id="LN6993">6993</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_index_stat)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;read_index_stat != __null)</span></span>) {</td></tr>
7080<tr><td class="num" id="LN6994">6994</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
7081<tr><td class="num" id="LN6995">6995</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
7082<tr><td class="num" id="LN6996">6996</td><td class="line"> }</td></tr>
7083<tr><td class="num" id="LN6997">6997</td><td class="line"> </td></tr>
7084<tr><td class="num" id="LN6998">6998</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, read_index_stat, name, stat)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;read_index_stat != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;read_index_stat(mount-&gt;volume, name<br>, stat) : (panic("FS_MOUNT_CALL op " "read_index_stat" " is NULL"<br>), 0))</span></span>;</td></tr>
7085<tr><td class="num" id="LN6999">6999</td><td class="line"> </td></tr>
7086<tr><td class="num" id="LN7000">7000</td><td class="line">out:</td></tr>
7087<tr><td class="num" id="LN7001">7001</td><td class="line"> put_mount(mount);</td></tr>
7088<tr><td class="num" id="LN7002">7002</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7089<tr><td class="num" id="LN7003">7003</td><td class="line">}</td></tr>
7090<tr><td class="num" id="LN7004">7004</td><td class="line"> </td></tr>
7091<tr><td class="num" id="LN7005">7005</td><td class="line"> </td></tr>
7092<tr><td class="num" id="LN7006">7006</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7093<tr><td class="num" id="LN7007">7007</td><td class="line">index_remove(dev_t mountID, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>bool</span> kernel)</td></tr>
7094<tr><td class="num" id="LN7008">7008</td><td class="line">{</td></tr>
7095<tr><td class="num" id="LN7009">7009</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"index_remove(mountID = %"</span> B_PRId32 <span class='string_literal'>", name = %s, kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
7096<tr><td class="num" id="LN7010">7010</td><td class="line"> <span class='macro'>mountID, name, kernel))<span class='expansion'>;</span></span>;</td></tr>
7097<tr><td class="num" id="LN7011">7011</td><td class="line"> </td></tr>
7098<tr><td class="num" id="LN7012">7012</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7099<tr><td class="num" id="LN7013">7013</td><td class="line"> status_t status = get_mount(mountID, &amp;mount);</td></tr>
7100<tr><td class="num" id="LN7014">7014</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7101<tr><td class="num" id="LN7015">7015</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7102<tr><td class="num" id="LN7016">7016</td><td class="line"> </td></tr>
7103<tr><td class="num" id="LN7017">7017</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, remove_index)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;remove_index != __null)</span></span>) {</td></tr>
7104<tr><td class="num" id="LN7018">7018</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
7105<tr><td class="num" id="LN7019">7019</td><td class="line"> <span class='keyword'>goto</span> out;</td></tr>
7106<tr><td class="num" id="LN7020">7020</td><td class="line"> }</td></tr>
7107<tr><td class="num" id="LN7021">7021</td><td class="line"> </td></tr>
7108<tr><td class="num" id="LN7022">7022</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, remove_index, name)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;remove_index != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;remove_index(mount-&gt;volume, name) :<br> (panic("FS_MOUNT_CALL op " "remove_index" " is NULL"), 0))</span></span>;</td></tr>
7109<tr><td class="num" id="LN7023">7023</td><td class="line"> </td></tr>
7110<tr><td class="num" id="LN7024">7024</td><td class="line">out:</td></tr>
7111<tr><td class="num" id="LN7025">7025</td><td class="line"> put_mount(mount);</td></tr>
7112<tr><td class="num" id="LN7026">7026</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7113<tr><td class="num" id="LN7027">7027</td><td class="line">}</td></tr>
7114<tr><td class="num" id="LN7028">7028</td><td class="line"> </td></tr>
7115<tr><td class="num" id="LN7029">7029</td><td class="line"> </td></tr>
7116<tr><td class="num" id="LN7030">7030</td><td class="line"><span class='comment'>/*! TODO: the query FS API is still the pretty much the same as in R5.</span></td></tr>
7117<tr><td class="num" id="LN7031">7031</td><td class="line"> <span class='comment'>It would be nice if the FS would find some more kernel support</span></td></tr>
7118<tr><td class="num" id="LN7032">7032</td><td class="line"> <span class='comment'>for them.</span></td></tr>
7119<tr><td class="num" id="LN7033">7033</td><td class="line"> <span class='comment'>For example, query parsing should be moved into the kernel.</span></td></tr>
7120<tr><td class="num" id="LN7034">7034</td><td class="line"><span class='comment'>*/</span></td></tr>
7121<tr><td class="num" id="LN7035">7035</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>int</span></td></tr>
7122<tr><td class="num" id="LN7036">7036</td><td class="line">query_open(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* query, uint32 flags, port_id port,</td></tr>
7123<tr><td class="num" id="LN7037">7037</td><td class="line"> int32 token, <span class='keyword'>bool</span> kernel)</td></tr>
7124<tr><td class="num" id="LN7038">7038</td><td class="line">{</td></tr>
7125<tr><td class="num" id="LN7039">7039</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7126<tr><td class="num" id="LN7040">7040</td><td class="line"> <span class='keyword'>void</span>* cookie;</td></tr>
7127<tr><td class="num" id="LN7041">7041</td><td class="line"> </td></tr>
7128<tr><td class="num" id="LN7042">7042</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"query_open(device = %"</span> B_PRId32 <span class='string_literal'>", query = \"%s\", kernel = %d)\n"</span>,<span class='expansion'>;</span></span></td></tr>
7129<tr><td class="num" id="LN7043">7043</td><td class="line"> <span class='macro'>device, query, kernel))<span class='expansion'>;</span></span>;</td></tr>
7130<tr><td class="num" id="LN7044">7044</td><td class="line"> </td></tr>
7131<tr><td class="num" id="LN7045">7045</td><td class="line"> status_t status = get_mount(device, &amp;mount);</td></tr>
7132<tr><td class="num" id="LN7046">7046</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7133<tr><td class="num" id="LN7047">7047</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7134<tr><td class="num" id="LN7048">7048</td><td class="line"> </td></tr>
7135<tr><td class="num" id="LN7049">7049</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_MOUNT_CALL(mount, open_query)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;open_query != __null)</span></span>) {</td></tr>
7136<tr><td class="num" id="LN7050">7050</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
7137<tr><td class="num" id="LN7051">7051</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
7138<tr><td class="num" id="LN7052">7052</td><td class="line"> }</td></tr>
7139<tr><td class="num" id="LN7053">7053</td><td class="line"> </td></tr>
7140<tr><td class="num" id="LN7054">7054</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, open_query, query, flags, port, token,<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;open_query != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;open_query(mount-&gt;volume, query, flags<br>, port, token, &amp;cookie) : (panic("FS_MOUNT_CALL op " "open_query"<br> " is NULL"), 0))</span></span></td></tr>
7141<tr><td class="num" id="LN7055">7055</td><td class="line"> <span class='macro'>&amp;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;open_query != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;open_query(mount-&gt;volume, query, flags<br>, port, token, &amp;cookie) : (panic("FS_MOUNT_CALL op " "open_query"<br> " is NULL"), 0))</span></span>;</td></tr>
7142<tr><td class="num" id="LN7056">7056</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7143<tr><td class="num" id="LN7057">7057</td><td class="line"> <span class='keyword'>goto</span> error;</td></tr>
7144<tr><td class="num" id="LN7058">7058</td><td class="line"> </td></tr>
7145<tr><td class="num" id="LN7059">7059</td><td class="line"> <span class='comment'>// get fd for the index directory</span></td></tr>
7146<tr><td class="num" id="LN7060">7060</td><td class="line"> <span class='keyword'>int</span> fd;</td></tr>
7147<tr><td class="num" id="LN7061">7061</td><td class="line"> fd = get_new_fd(FDTYPE_QUERY, mount, <span class='macro'>NULL<span class='expansion'>__null</span></span>, cookie, <span class='macro'>O_CLOEXEC<span class='expansion'>0x00000040</span></span>, kernel);</td></tr>
7148<tr><td class="num" id="LN7062">7062</td><td class="line"> <span class='keyword'>if</span> (fd &gt;= 0)</td></tr>
7149<tr><td class="num" id="LN7063">7063</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
7150<tr><td class="num" id="LN7064">7064</td><td class="line"> </td></tr>
7151<tr><td class="num" id="LN7065">7065</td><td class="line"> status = fd;</td></tr>
7152<tr><td class="num" id="LN7066">7066</td><td class="line"> </td></tr>
7153<tr><td class="num" id="LN7067">7067</td><td class="line"> <span class='comment'>// something went wrong</span></td></tr>
7154<tr><td class="num" id="LN7068">7068</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, close_query, cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;close_query != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;close_query(mount-&gt;volume, cookie)<br> : (panic("FS_MOUNT_CALL op " "close_query" " is NULL"), 0))</span></span>;</td></tr>
7155<tr><td class="num" id="LN7069">7069</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_query_cookie, cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;free_query_cookie != __null) ?<br> mount-&gt;volume-&gt;ops-&gt;free_query_cookie(mount-&gt;volume<br>, cookie) : (panic("FS_MOUNT_CALL op " "free_query_cookie" " is NULL"<br>), 0))</span></span>;</td></tr>
7156<tr><td class="num" id="LN7070">7070</td><td class="line"> </td></tr>
7157<tr><td class="num" id="LN7071">7071</td><td class="line">error:</td></tr>
7158<tr><td class="num" id="LN7072">7072</td><td class="line"> put_mount(mount);</td></tr>
7159<tr><td class="num" id="LN7073">7073</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7160<tr><td class="num" id="LN7074">7074</td><td class="line">}</td></tr>
7161<tr><td class="num" id="LN7075">7075</td><td class="line"> </td></tr>
7162<tr><td class="num" id="LN7076">7076</td><td class="line"> </td></tr>
7163<tr><td class="num" id="LN7077">7077</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7164<tr><td class="num" id="LN7078">7078</td><td class="line">query_close(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
7165<tr><td class="num" id="LN7079">7079</td><td class="line">{</td></tr>
7166<tr><td class="num" id="LN7080">7080</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
7167<tr><td class="num" id="LN7081">7081</td><td class="line"> </td></tr>
7168<tr><td class="num" id="LN7082">7082</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"query_close(descriptor = %p)\n"</span>, descriptor))<span class='expansion'>;</span></span>;</td></tr>
7169<tr><td class="num" id="LN7083">7083</td><td class="line"> </td></tr>
7170<tr><td class="num" id="LN7084">7084</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, close_query)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;close_query != __null)</span></span>)</td></tr>
7171<tr><td class="num" id="LN7085">7085</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, close_query, descriptor-&gt;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;close_query != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;close_query(mount-&gt;volume, descriptor<br>-&gt;cookie) : (panic("FS_MOUNT_CALL op " "close_query" " is NULL"<br>), 0))</span></span>;</td></tr>
7172<tr><td class="num" id="LN7086">7086</td><td class="line"> </td></tr>
7173<tr><td class="num" id="LN7087">7087</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
7174<tr><td class="num" id="LN7088">7088</td><td class="line">}</td></tr>
7175<tr><td class="num" id="LN7089">7089</td><td class="line"> </td></tr>
7176<tr><td class="num" id="LN7090">7090</td><td class="line"> </td></tr>
7177<tr><td class="num" id="LN7091">7091</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>void</span></td></tr>
7178<tr><td class="num" id="LN7092">7092</td><td class="line">query_free_fd(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
7179<tr><td class="num" id="LN7093">7093</td><td class="line">{</td></tr>
7180<tr><td class="num" id="LN7094">7094</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
7181<tr><td class="num" id="LN7095">7095</td><td class="line"> </td></tr>
7182<tr><td class="num" id="LN7096">7096</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7183<tr><td class="num" id="LN7097">7097</td><td class="line"> <span class='macro'>FS_MOUNT_CALL(mount, free_query_cookie, descriptor-&gt;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;free_query_cookie != __null) ?<br> mount-&gt;volume-&gt;ops-&gt;free_query_cookie(mount-&gt;volume<br>, descriptor-&gt;cookie) : (panic("FS_MOUNT_CALL op " "free_query_cookie"<br> " is NULL"), 0))</span></span>;</td></tr>
7184<tr><td class="num" id="LN7098">7098</td><td class="line"> put_mount(mount);</td></tr>
7185<tr><td class="num" id="LN7099">7099</td><td class="line"> }</td></tr>
7186<tr><td class="num" id="LN7100">7100</td><td class="line">}</td></tr>
7187<tr><td class="num" id="LN7101">7101</td><td class="line"> </td></tr>
7188<tr><td class="num" id="LN7102">7102</td><td class="line"> </td></tr>
7189<tr><td class="num" id="LN7103">7103</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7190<tr><td class="num" id="LN7104">7104</td><td class="line">query_read(<span class='keyword'>struct</span> io_context* ioContext, <span class='keyword'>struct</span> file_descriptor* descriptor,</td></tr>
7191<tr><td class="num" id="LN7105">7105</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer, size_t bufferSize, uint32* _count)</td></tr>
7192<tr><td class="num" id="LN7106">7106</td><td class="line">{</td></tr>
7193<tr><td class="num" id="LN7107">7107</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
7194<tr><td class="num" id="LN7108">7108</td><td class="line"> </td></tr>
7195<tr><td class="num" id="LN7109">7109</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_query)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;read_query != __null)</span></span>) {</td></tr>
7196<tr><td class="num" id="LN7110">7110</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, read_query, descriptor-&gt;cookie, buffer,<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;read_query != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;read_query(mount-&gt;volume, descriptor<br>-&gt;cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_query" " is NULL"), 0))</span></span></td></tr>
7197<tr><td class="num" id="LN7111">7111</td><td class="line"> <span class='macro'>bufferSize, _count)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;read_query != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;read_query(mount-&gt;volume, descriptor<br>-&gt;cookie, buffer, bufferSize, _count) : (panic("FS_MOUNT_CALL op "<br> "read_query" " is NULL"), 0))</span></span>;</td></tr>
7198<tr><td class="num" id="LN7112">7112</td><td class="line"> }</td></tr>
7199<tr><td class="num" id="LN7113">7113</td><td class="line"> </td></tr>
7200<tr><td class="num" id="LN7114">7114</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
7201<tr><td class="num" id="LN7115">7115</td><td class="line">}</td></tr>
7202<tr><td class="num" id="LN7116">7116</td><td class="line"> </td></tr>
7203<tr><td class="num" id="LN7117">7117</td><td class="line"> </td></tr>
7204<tr><td class="num" id="LN7118">7118</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7205<tr><td class="num" id="LN7119">7119</td><td class="line">query_rewind(<span class='keyword'>struct</span> file_descriptor* descriptor)</td></tr>
7206<tr><td class="num" id="LN7120">7120</td><td class="line">{</td></tr>
7207<tr><td class="num" id="LN7121">7121</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = descriptor-&gt;u.mount;</td></tr>
7208<tr><td class="num" id="LN7122">7122</td><td class="line"> </td></tr>
7209<tr><td class="num" id="LN7123">7123</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, rewind_query)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;rewind_query != __null)</span></span>)</td></tr>
7210<tr><td class="num" id="LN7124">7124</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>FS_MOUNT_CALL(mount, rewind_query, descriptor-&gt;cookie)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;rewind_query != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;rewind_query(mount-&gt;volume, descriptor<br>-&gt;cookie) : (panic("FS_MOUNT_CALL op " "rewind_query" " is NULL"<br>), 0))</span></span>;</td></tr>
7211<tr><td class="num" id="LN7125">7125</td><td class="line"> </td></tr>
7212<tr><td class="num" id="LN7126">7126</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
7213<tr><td class="num" id="LN7127">7127</td><td class="line">}</td></tr>
7214<tr><td class="num" id="LN7128">7128</td><td class="line"> </td></tr>
7215<tr><td class="num" id="LN7129">7129</td><td class="line"> </td></tr>
7216<tr><td class="num" id="LN7130">7130</td><td class="line"><span class='comment'>// #pragma mark - General File System functions</span></td></tr>
7217<tr><td class="num" id="LN7131">7131</td><td class="line"> </td></tr>
7218<tr><td class="num" id="LN7132">7132</td><td class="line"> </td></tr>
7219<tr><td class="num" id="LN7133">7133</td><td class="line"><span class='keyword'>static</span> dev_t</td></tr>
7220<tr><td class="num" id="LN7134">7134</td><td class="line">fs_mount(<span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* device, <span class='keyword'>const</span> <span class='keyword'>char</span>* fsName, uint32 flags,</td></tr>
7221<tr><td class="num" id="LN7135">7135</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* args, <span class='keyword'>bool</span> kernel)</td></tr>
7222<tr><td class="num" id="LN7136">7136</td><td class="line">{</td></tr>
7223<tr><td class="num" id="LN7137">7137</td><td class="line"> <span class='keyword'>struct</span> ::fs_mount* mount;</td></tr>
7224<tr><td class="num" id="LN7138">7138</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
7225<tr><td class="num" id="LN7139">7139</td><td class="line"> fs_volume* volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7226<tr><td class="num" id="LN7140">7140</td><td class="line"> int32 layer = 0;</td></tr>
7227<tr><td class="num" id="LN7141">7141</td><td class="line"> Vnode* coveredNode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7228<tr><td class="num" id="LN7142">7142</td><td class="line"> </td></tr>
7229<tr><td class="num" id="LN7143">7143</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"fs_mount: path = '%s', device = '%s', fs_name = '%s', flags = %#"<span class='expansion'>;</span></span></span></td></tr>
7230<tr><td class="num" id="LN7144">7144</td><td class="line"> <span class='macro'>B_PRIx32 <span class='string_literal'>", args = '%s'\n"</span>, path, device, fsName, flags, args))<span class='expansion'>;</span></span>;</td></tr>
7231<tr><td class="num" id="LN7145">7145</td><td class="line"> </td></tr>
7232<tr><td class="num" id="LN7146">7146</td><td class="line"> <span class='comment'>// The path is always safe, we just have to make sure that fsName is</span></td></tr>
7233<tr><td class="num" id="LN7147">7147</td><td class="line"> <span class='comment'>// almost valid - we can't make any assumptions about args, though.</span></td></tr>
7234<tr><td class="num" id="LN7148">7148</td><td class="line"> <span class='comment'>// A NULL fsName is OK, if a device was given and the FS is not virtual.</span></td></tr>
7235<tr><td class="num" id="LN7149">7149</td><td class="line"> <span class='comment'>// We'll get it from the DDM later.</span></td></tr>
7236<tr><td class="num" id="LN7150">7150</td><td class="line"> <span class='keyword'>if</span> (fsName == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7237<tr><td class="num"></td><td class="line"><div id="Path1" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">1</div></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path2" title="Next event (2)">&#x2192;</a></div></td></tr></table></div></td></tr>
7238<tr><td class="num" id="LN7151">7151</td><td class="line"> <span class='keyword'>if</span> (!device || flags &amp; <span class='macro'>B_MOUNT_VIRTUAL_DEVICE<span class='expansion'>2</span></span>)</td></tr>
7239<tr><td class="num" id="LN7152">7152</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
7240<tr><td class="num" id="LN7153">7153</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (fsName[0] == '\0')</td></tr>
7241<tr><td class="num"></td><td class="line"><div id="Path2" class="msg msgControl" style="margin-left:16ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">2</div></td><td><div class="PathNav"><a href="#Path1" title="Previous event (1)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path3" title="Next event (3)">&#x2192;</a></div></td></tr></table></div></td></tr>
7242<tr><td class="num" id="LN7154">7154</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
7243<tr><td class="num" id="LN7155">7155</td><td class="line"> </td></tr>
7244<tr><td class="num" id="LN7156">7156</td><td class="line"> RecursiveLocker mountOpLocker(sMountOpLock);</td></tr>
7245<tr><td class="num" id="LN7157">7157</td><td class="line"> </td></tr>
7246<tr><td class="num" id="LN7158">7158</td><td class="line"> <span class='comment'>// Helper to delete a newly created file device on failure.</span></td></tr>
7247<tr><td class="num" id="LN7159">7159</td><td class="line"> <span class='comment'>// Not exactly beautiful, but helps to keep the code below cleaner.</span></td></tr>
7248<tr><td class="num" id="LN7160">7160</td><td class="line"> <span class='keyword'>struct</span> FileDeviceDeleter {</td></tr>
7249<tr><td class="num" id="LN7161">7161</td><td class="line"> FileDeviceDeleter() : id(-1) {}</td></tr>
7250<tr><td class="num" id="LN7162">7162</td><td class="line"> ~FileDeviceDeleter()</td></tr>
7251<tr><td class="num" id="LN7163">7163</td><td class="line"> {</td></tr>
7252<tr><td class="num" id="LN7164">7164</td><td class="line"> KDiskDeviceManager::Default()-&gt;DeleteFileDevice(id);</td></tr>
7253<tr><td class="num" id="LN7165">7165</td><td class="line"> }</td></tr>
7254<tr><td class="num" id="LN7166">7166</td><td class="line"> </td></tr>
7255<tr><td class="num" id="LN7167">7167</td><td class="line"> partition_id id;</td></tr>
7256<tr><td class="num" id="LN7168">7168</td><td class="line"> } fileDeviceDeleter;</td></tr>
7257<tr><td class="num" id="LN7169">7169</td><td class="line"> </td></tr>
7258<tr><td class="num" id="LN7170">7170</td><td class="line"> <span class='comment'>// If the file system is not a "virtual" one, the device argument should</span></td></tr>
7259<tr><td class="num" id="LN7171">7171</td><td class="line"> <span class='comment'>// point to a real file/device (if given at all).</span></td></tr>
7260<tr><td class="num" id="LN7172">7172</td><td class="line"> <span class='comment'>// get the partition</span></td></tr>
7261<tr><td class="num" id="LN7173">7173</td><td class="line"> KDiskDeviceManager* ddm = KDiskDeviceManager::Default();</td></tr>
7262<tr><td class="num" id="LN7174">7174</td><td class="line"> KPartition* partition = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7263<tr><td class="num" id="LN7175">7175</td><td class="line"> KPath normalizedDevice;</td></tr>
7264<tr><td class="num" id="LN7176">7176</td><td class="line"> <span class='keyword'>bool</span> newlyCreatedFileDevice = <span class='keyword'>false</span>;</td></tr>
7265<tr><td class="num" id="LN7177">7177</td><td class="line"> </td></tr>
7266<tr><td class="num" id="LN7178">7178</td><td class="line"> <span class='keyword'>if</span> (<span class="mrange">!(flags &amp; <span class='macro'>B_MOUNT_VIRTUAL_DEVICE<span class='expansion'>2</span></span>)</span> &amp;&amp; device != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7267<tr><td class="num"></td><td class="line"><div id="Path3" class="msg msgEvent" style="margin-left:13ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">3</div></td><td><div class="PathNav"><a href="#Path2" title="Previous event (2)">&#x2190;</a></div></td></td><td>Assuming 'flags' is &amp; 2</td><td><div class="PathNav"><a href="#Path4" title="Next event (4)">&#x2192;</a></div></td></tr></table></div></td></tr>
7268<tr><td class="num" id="LN7179">7179</td><td class="line"> <span class='comment'>// normalize the device path</span></td></tr>
7269<tr><td class="num" id="LN7180">7180</td><td class="line"> status = normalizedDevice.SetTo(device, <span class='keyword'>true</span>);</td></tr>
7270<tr><td class="num" id="LN7181">7181</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7271<tr><td class="num" id="LN7182">7182</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7272<tr><td class="num" id="LN7183">7183</td><td class="line"> </td></tr>
7273<tr><td class="num" id="LN7184">7184</td><td class="line"> <span class='comment'>// get a corresponding partition from the DDM</span></td></tr>
7274<tr><td class="num" id="LN7185">7185</td><td class="line"> partition = ddm-&gt;RegisterPartition(normalizedDevice.Path());</td></tr>
7275<tr><td class="num" id="LN7186">7186</td><td class="line"> <span class='keyword'>if</span> (partition == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7276<tr><td class="num" id="LN7187">7187</td><td class="line"> <span class='comment'>// Partition not found: This either means, the user supplied</span></td></tr>
7277<tr><td class="num" id="LN7188">7188</td><td class="line"> <span class='comment'>// an invalid path, or the path refers to an image file. We try</span></td></tr>
7278<tr><td class="num" id="LN7189">7189</td><td class="line"> <span class='comment'>// to let the DDM create a file device for the path.</span></td></tr>
7279<tr><td class="num" id="LN7190">7190</td><td class="line"> partition_id deviceID = ddm-&gt;CreateFileDevice(</td></tr>
7280<tr><td class="num" id="LN7191">7191</td><td class="line"> normalizedDevice.Path(), &amp;newlyCreatedFileDevice);</td></tr>
7281<tr><td class="num" id="LN7192">7192</td><td class="line"> <span class='keyword'>if</span> (deviceID &gt;= 0) {</td></tr>
7282<tr><td class="num" id="LN7193">7193</td><td class="line"> partition = ddm-&gt;RegisterPartition(deviceID);</td></tr>
7283<tr><td class="num" id="LN7194">7194</td><td class="line"> <span class='keyword'>if</span> (newlyCreatedFileDevice)</td></tr>
7284<tr><td class="num" id="LN7195">7195</td><td class="line"> fileDeviceDeleter.id = deviceID;</td></tr>
7285<tr><td class="num" id="LN7196">7196</td><td class="line"> }</td></tr>
7286<tr><td class="num" id="LN7197">7197</td><td class="line"> }</td></tr>
7287<tr><td class="num" id="LN7198">7198</td><td class="line"> </td></tr>
7288<tr><td class="num" id="LN7199">7199</td><td class="line"> <span class='keyword'>if</span> (!partition) {</td></tr>
7289<tr><td class="num" id="LN7200">7200</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): Partition `%s' not found.\n"</span>,<span class='expansion'>;</span></span></td></tr>
7290<tr><td class="num" id="LN7201">7201</td><td class="line"> <span class='macro'>normalizedDevice.Path()))<span class='expansion'>;</span></span>;</td></tr>
7291<tr><td class="num" id="LN7202">7202</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
7292<tr><td class="num" id="LN7203">7203</td><td class="line"> }</td></tr>
7293<tr><td class="num" id="LN7204">7204</td><td class="line"> </td></tr>
7294<tr><td class="num" id="LN7205">7205</td><td class="line"> device = normalizedDevice.Path();</td></tr>
7295<tr><td class="num" id="LN7206">7206</td><td class="line"> <span class='comment'>// correct path to file device</span></td></tr>
7296<tr><td class="num" id="LN7207">7207</td><td class="line"> }</td></tr>
7297<tr><td class="num" id="LN7208">7208</td><td class="line"> PartitionRegistrar partitionRegistrar(partition, <span class='keyword'>true</span>);</td></tr>
7298<tr><td class="num" id="LN7209">7209</td><td class="line"> </td></tr>
7299<tr><td class="num" id="LN7210">7210</td><td class="line"> <span class='comment'>// Write lock the partition's device. For the time being, we keep the lock</span></td></tr>
7300<tr><td class="num" id="LN7211">7211</td><td class="line"> <span class='comment'>// until we're done mounting -- not nice, but ensure, that no-one is</span></td></tr>
7301<tr><td class="num" id="LN7212">7212</td><td class="line"> <span class='comment'>// interfering.</span></td></tr>
7302<tr><td class="num" id="LN7213">7213</td><td class="line"> <span class='comment'>// TODO: Just mark the partition busy while mounting!</span></td></tr>
7303<tr><td class="num" id="LN7214">7214</td><td class="line"> KDiskDevice* diskDevice = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7304<tr><td class="num" id="LN7215">7215</td><td class="line"> <span class='keyword'>if</span> (partition) {</td></tr>
7305<tr><td class="num"></td><td class="line"><div id="Path4" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">4</div></td><td><div class="PathNav"><a href="#Path3" title="Previous event (3)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path5" title="Next event (5)">&#x2192;</a></div></td></tr></table></div></td></tr>
7306<tr><td class="num" id="LN7216">7216</td><td class="line"> diskDevice = ddm-&gt;WriteLockDevice(partition-&gt;Device()-&gt;ID());</td></tr>
7307<tr><td class="num" id="LN7217">7217</td><td class="line"> <span class='keyword'>if</span> (!diskDevice) {</td></tr>
7308<tr><td class="num" id="LN7218">7218</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): Failed to lock disk device!\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
7309<tr><td class="num" id="LN7219">7219</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
7310<tr><td class="num" id="LN7220">7220</td><td class="line"> }</td></tr>
7311<tr><td class="num" id="LN7221">7221</td><td class="line"> }</td></tr>
7312<tr><td class="num" id="LN7222">7222</td><td class="line"> </td></tr>
7313<tr><td class="num" id="LN7223">7223</td><td class="line"> DeviceWriteLocker writeLocker(diskDevice, <span class='keyword'>true</span>);</td></tr>
7314<tr><td class="num" id="LN7224">7224</td><td class="line"> <span class='comment'>// this takes over the write lock acquired before</span></td></tr>
7315<tr><td class="num" id="LN7225">7225</td><td class="line"> </td></tr>
7316<tr><td class="num" id="LN7226">7226</td><td class="line"> <span class='keyword'>if</span> (partition != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7317<tr><td class="num"></td><td class="line"><div id="Path5" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">5</div></td><td><div class="PathNav"><a href="#Path4" title="Previous event (4)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path6" title="Next event (6)">&#x2192;</a></div></td></tr></table></div></td></tr>
7318<tr><td class="num" id="LN7227">7227</td><td class="line"> <span class='comment'>// make sure, that the partition is not busy</span></td></tr>
7319<tr><td class="num" id="LN7228">7228</td><td class="line"> <span class='keyword'>if</span> (partition-&gt;IsBusy()) {</td></tr>
7320<tr><td class="num" id="LN7229">7229</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): Partition is busy.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
7321<tr><td class="num" id="LN7230">7230</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
7322<tr><td class="num" id="LN7231">7231</td><td class="line"> }</td></tr>
7323<tr><td class="num" id="LN7232">7232</td><td class="line"> </td></tr>
7324<tr><td class="num" id="LN7233">7233</td><td class="line"> <span class='comment'>// if no FS name had been supplied, we get it from the partition</span></td></tr>
7325<tr><td class="num" id="LN7234">7234</td><td class="line"> <span class='keyword'>if</span> (fsName == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7326<tr><td class="num" id="LN7235">7235</td><td class="line"> KDiskSystem* diskSystem = partition-&gt;DiskSystem();</td></tr>
7327<tr><td class="num" id="LN7236">7236</td><td class="line"> <span class='keyword'>if</span> (!diskSystem) {</td></tr>
7328<tr><td class="num" id="LN7237">7237</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): No FS name was given, and the DDM didn't "<span class='expansion'>;</span></span></span></td></tr>
7329<tr><td class="num" id="LN7238">7238</td><td class="line"> <span class='string_literal'><span class='macro'>"recognize it.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
7330<tr><td class="num" id="LN7239">7239</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
7331<tr><td class="num" id="LN7240">7240</td><td class="line"> }</td></tr>
7332<tr><td class="num" id="LN7241">7241</td><td class="line"> </td></tr>
7333<tr><td class="num" id="LN7242">7242</td><td class="line"> <span class='keyword'>if</span> (!diskSystem-&gt;IsFileSystem()) {</td></tr>
7334<tr><td class="num" id="LN7243">7243</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_mount(): No FS name was given, and the DDM found a "<span class='expansion'>;</span></span></span></td></tr>
7335<tr><td class="num" id="LN7244">7244</td><td class="line"> <span class='string_literal'><span class='macro'>"partitioning system.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
7336<tr><td class="num" id="LN7245">7245</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
7337<tr><td class="num" id="LN7246">7246</td><td class="line"> }</td></tr>
7338<tr><td class="num" id="LN7247">7247</td><td class="line"> </td></tr>
7339<tr><td class="num" id="LN7248">7248</td><td class="line"> <span class='comment'>// The disk system name will not change, and the KDiskSystem</span></td></tr>
7340<tr><td class="num" id="LN7249">7249</td><td class="line"> <span class='comment'>// object will not go away while the disk device is locked (and</span></td></tr>
7341<tr><td class="num" id="LN7250">7250</td><td class="line"> <span class='comment'>// the partition has a reference to it), so this is safe.</span></td></tr>
7342<tr><td class="num" id="LN7251">7251</td><td class="line"> fsName = diskSystem-&gt;Name();</td></tr>
7343<tr><td class="num" id="LN7252">7252</td><td class="line"> }</td></tr>
7344<tr><td class="num" id="LN7253">7253</td><td class="line"> }</td></tr>
7345<tr><td class="num" id="LN7254">7254</td><td class="line"> </td></tr>
7346<tr><td class="num" id="LN7255">7255</td><td class="line"> mount = <span class='keyword'>new</span>(std::nothrow) (<span class='keyword'>struct</span> ::fs_mount);</td></tr>
7347<tr><td class="num" id="LN7256">7256</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7348<tr><td class="num"></td><td class="line"><div id="Path6" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">6</div></td><td><div class="PathNav"><a href="#Path5" title="Previous event (5)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path7" title="Next event (7)">&#x2192;</a></div></td></tr></table></div></td></tr>
7349<tr><td class="num" id="LN7257">7257</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
7350<tr><td class="num" id="LN7258">7258</td><td class="line"> </td></tr>
7351<tr><td class="num" id="LN7259">7259</td><td class="line"> mount-&gt;device_name = strdup(device);</td></tr>
7352<tr><td class="num" id="LN7260">7260</td><td class="line"> <span class='comment'>// "device" can be NULL</span></td></tr>
7353<tr><td class="num" id="LN7261">7261</td><td class="line"> </td></tr>
7354<tr><td class="num" id="LN7262">7262</td><td class="line"> status = mount-&gt;entry_cache.Init();</td></tr>
7355<tr><td class="num" id="LN7263">7263</td><td class="line"> <span class='keyword'>if</span> (<span class="mrange">status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></span>)</td></tr>
7356<tr><td class="num"></td><td class="line"><div id="Path7" class="msg msgEvent" style="margin-left:13ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">7</div></td><td><div class="PathNav"><a href="#Path6" title="Previous event (6)">&#x2190;</a></div></td></td><td>Assuming 'status' is equal to 0</td><td><div class="PathNav"><a href="#Path8" title="Next event (8)">&#x2192;</a></div></td></tr></table></div></td></tr>
7357<tr><td class="num"></td><td class="line"><div id="Path8" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">8</div></td><td><div class="PathNav"><a href="#Path7" title="Previous event (7)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path9" title="Next event (9)">&#x2192;</a></div></td></tr></table></div></td></tr>
7358<tr><td class="num" id="LN7264">7264</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
7359<tr><td class="num" id="LN7265">7265</td><td class="line"> </td></tr>
7360<tr><td class="num" id="LN7266">7266</td><td class="line"> <span class='comment'>// initialize structure</span></td></tr>
7361<tr><td class="num" id="LN7267">7267</td><td class="line"> mount-&gt;id = sNextMountID++;</td></tr>
7362<tr><td class="num" id="LN7268">7268</td><td class="line"> mount-&gt;partition = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7363<tr><td class="num" id="LN7269">7269</td><td class="line"> mount-&gt;root_vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7364<tr><td class="num" id="LN7270">7270</td><td class="line"> mount-&gt;covers_vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7365<tr><td class="num" id="LN7271">7271</td><td class="line"> mount-&gt;unmounting = <span class='keyword'>false</span>;</td></tr>
7366<tr><td class="num" id="LN7272">7272</td><td class="line"> mount-&gt;owns_file_device = <span class='keyword'>false</span>;</td></tr>
7367<tr><td class="num" id="LN7273">7273</td><td class="line"> mount-&gt;volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7368<tr><td class="num" id="LN7274">7274</td><td class="line"> </td></tr>
7369<tr><td class="num" id="LN7275">7275</td><td class="line"> <span class='comment'>// build up the volume(s)</span></td></tr>
7370<tr><td class="num" id="LN7276">7276</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
7371<tr><td class="num"></td><td class="line"><div id="Path9" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">9</div></td><td><div class="PathNav"><a href="#Path8" title="Previous event (8)">&#x2190;</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path10" title="Next event (10)">&#x2192;</a></div></td></tr></table></div></td></tr>
7372<tr><td class="num"></td><td class="line"><div id="Path16" class="msg msgControl" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">16</div></td><td><div class="PathNav"><a href="#Path15" title="Previous event (15)">&#x2190;</a></div></td></td><td>Loop condition is true. Entering loop body</td><td><div class="PathNav"><a href="#Path17" title="Next event (17)">&#x2192;</a></div></td></tr></table></div></td></tr>
7373<tr><td class="num" id="LN7277">7277</td><td class="line"> <span class='keyword'>char</span>* layerFSName = <span class="mrange"><span class="mrange">get_file_system_name_for_layer(fsName, layer)</span></span>;</td></tr>
7374<tr><td class="num"></td><td class="line"><div id="Path17" class="msg msgEvent" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">17</div></td><td><div class="PathNav"><a href="#Path16" title="Previous event (16)">&#x2190;</a></div></td></td><td>Calling 'get_file_system_name_for_layer'</td><td><div class="PathNav"><a href="#Path18" title="Next event (18)">&#x2192;</a></div></td></tr></table></div></td></tr>
7375<tr><td class="num"></td><td class="line"><div id="Path25" class="msg msgEvent" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">25</div></td><td><div class="PathNav"><a href="#Path24" title="Previous event (24)">&#x2190;</a></div></td></td><td>Returned allocated memory</td><td><div class="PathNav"><a href="#Path26" title="Next event (26)">&#x2192;</a></div></td></tr></table></div></td></tr>
7376<tr><td class="num" id="LN7278">7278</td><td class="line"> <span class='keyword'>if</span> (layerFSName == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7377<tr><td class="num"></td><td class="line"><div id="Path10" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">10</div></td><td><div class="PathNav"><a href="#Path9" title="Previous event (9)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path11" title="Next event (11)">&#x2192;</a></div></td></tr></table></div></td></tr>
7378<tr><td class="num"></td><td class="line"><div id="Path26" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">26</div></td><td><div class="PathNav"><a href="#Path25" title="Previous event (25)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path27" title="Next event (27)">&#x2192;</a></div></td></tr></table></div></td></tr>
7379<tr><td class="num" id="LN7279">7279</td><td class="line"> <span class='keyword'>if</span> (layer == 0) {</td></tr>
7380<tr><td class="num" id="LN7280">7280</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
7381<tr><td class="num" id="LN7281">7281</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
7382<tr><td class="num" id="LN7282">7282</td><td class="line"> }</td></tr>
7383<tr><td class="num" id="LN7283">7283</td><td class="line"> </td></tr>
7384<tr><td class="num" id="LN7284">7284</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
7385<tr><td class="num" id="LN7285">7285</td><td class="line"> }</td></tr>
7386<tr><td class="num" id="LN7286">7286</td><td class="line"> </td></tr>
7387<tr><td class="num" id="LN7287">7287</td><td class="line"> volume = (fs_volume*)malloc(<span class='keyword'>sizeof</span>(fs_volume));</td></tr>
7388<tr><td class="num" id="LN7288">7288</td><td class="line"> <span class='keyword'>if</span> (volume == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7389<tr><td class="num"></td><td class="line"><div id="Path11" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">11</div></td><td><div class="PathNav"><a href="#Path10" title="Previous event (10)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path12" title="Next event (12)">&#x2192;</a></div></td></tr></table></div></td></tr>
7390<tr><td class="num"></td><td class="line"><div id="Path27" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">27</div></td><td><div class="PathNav"><a href="#Path26" title="Previous event (26)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path28" title="Next event (28)">&#x2192;</a></div></td></tr></table></div></td></tr>
7391<tr><td class="num" id="LN7289">7289</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
7392<tr><td class="num" id="LN7290">7290</td><td class="line"> free(layerFSName);</td></tr>
7393<tr><td class="num" id="LN7291">7291</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
7394<tr><td class="num" id="LN7292">7292</td><td class="line"> }</td></tr>
7395<tr><td class="num" id="LN7293">7293</td><td class="line"> </td></tr>
7396<tr><td class="num" id="LN7294">7294</td><td class="line"> volume-&gt;id = mount-&gt;id;</td></tr>
7397<tr><td class="num" id="LN7295">7295</td><td class="line"> volume-&gt;partition = partition != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? partition-&gt;ID() : -1;</td></tr>
7398<tr><td class="num"></td><td class="line"><div id="Path12" class="msg msgControl" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">12</div></td><td><div class="PathNav"><a href="#Path11" title="Previous event (11)">&#x2190;</a></div></td></td><td>'?' condition is false</td><td><div class="PathNav"><a href="#Path13" title="Next event (13)">&#x2192;</a></div></td></tr></table></div></td></tr>
7399<tr><td class="num"></td><td class="line"><div id="Path28" class="msg msgControl" style="margin-left:37ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">28</div></td><td><div class="PathNav"><a href="#Path27" title="Previous event (27)">&#x2190;</a></div></td></td><td>'?' condition is false</td><td><div class="PathNav"><a href="#Path29" title="Next event (29)">&#x2192;</a></div></td></tr></table></div></td></tr>
7400<tr><td class="num" id="LN7296">7296</td><td class="line"> volume-&gt;layer = layer++;</td></tr>
7401<tr><td class="num" id="LN7297">7297</td><td class="line"> volume-&gt;private_volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7402<tr><td class="num" id="LN7298">7298</td><td class="line"> volume-&gt;ops = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7403<tr><td class="num" id="LN7299">7299</td><td class="line"> volume-&gt;sub_volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7404<tr><td class="num" id="LN7300">7300</td><td class="line"> volume-&gt;super_volume = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7405<tr><td class="num" id="LN7301">7301</td><td class="line"> volume-&gt;file_system = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7406<tr><td class="num" id="LN7302">7302</td><td class="line"> volume-&gt;file_system_name = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7407<tr><td class="num" id="LN7303">7303</td><td class="line"> </td></tr>
7408<tr><td class="num" id="LN7304">7304</td><td class="line"> volume-&gt;file_system_name = get_file_system_name(layerFSName);</td></tr>
7409<tr><td class="num" id="LN7305">7305</td><td class="line"> <span class='keyword'>if</span> (volume-&gt;file_system_name == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7410<tr><td class="num"></td><td class="line"><div id="Path13" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">13</div></td><td><div class="PathNav"><a href="#Path12" title="Previous event (12)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path14" title="Next event (14)">&#x2192;</a></div></td></tr></table></div></td></tr>
7411<tr><td class="num"></td><td class="line"><div id="Path29" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">29</div></td><td><div class="PathNav"><a href="#Path28" title="Previous event (28)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path30" title="Next event (30)">&#x2192;</a></div></td></tr></table></div></td></tr>
7412<tr><td class="num" id="LN7306">7306</td><td class="line"> status = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
7413<tr><td class="num" id="LN7307">7307</td><td class="line"> free(layerFSName);</td></tr>
7414<tr><td class="num" id="LN7308">7308</td><td class="line"> free(volume);</td></tr>
7415<tr><td class="num" id="LN7309">7309</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
7416<tr><td class="num" id="LN7310">7310</td><td class="line"> }</td></tr>
7417<tr><td class="num" id="LN7311">7311</td><td class="line"> </td></tr>
7418<tr><td class="num" id="LN7312">7312</td><td class="line"> volume-&gt;file_system = get_file_system(layerFSName);</td></tr>
7419<tr><td class="num" id="LN7313">7313</td><td class="line"> <span class='keyword'>if</span> (volume-&gt;file_system == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7420<tr><td class="num"></td><td class="line"><div id="Path14" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">14</div></td><td><div class="PathNav"><a href="#Path13" title="Previous event (13)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#Path15" title="Next event (15)">&#x2192;</a></div></td></tr></table></div></td></tr>
7421<tr><td class="num"></td><td class="line"><div id="Path30" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">30</div></td><td><div class="PathNav"><a href="#Path29" title="Previous event (29)">&#x2190;</a></div></td></td><td>Taking false branch</td><td><div class="PathNav"><a href="#EndPath" title="Next event (31)">&#x2192;</a></div></td></tr></table></div></td></tr>
7422<tr><td class="num" id="LN7314">7314</td><td class="line"> status = <span class='macro'>B_DEVICE_NOT_FOUND<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 7))</span></span>;</td></tr>
7423<tr><td class="num" id="LN7315">7315</td><td class="line"> free(layerFSName);</td></tr>
7424<tr><td class="num" id="LN7316">7316</td><td class="line"> free(volume-&gt;file_system_name);</td></tr>
7425<tr><td class="num" id="LN7317">7317</td><td class="line"> free(volume);</td></tr>
7426<tr><td class="num" id="LN7318">7318</td><td class="line"> <span class='keyword'>goto</span> err1;</td></tr>
7427<tr><td class="num" id="LN7319">7319</td><td class="line"> }</td></tr>
7428<tr><td class="num" id="LN7320">7320</td><td class="line"> </td></tr>
7429<tr><td class="num" id="LN7321">7321</td><td class="line"> <span class='keyword'>if</span> (mount-&gt;volume == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7430<tr><td class="num"></td><td class="line"><div id="Path15" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">15</div></td><td><div class="PathNav"><a href="#Path14" title="Previous event (14)">&#x2190;</a></div></td></td><td>Taking true branch</td><td><div class="PathNav"><a href="#Path16" title="Next event (16)">&#x2192;</a></div></td></tr></table></div></td></tr>
7431<tr><td class="num"></td><td class="line"><div id="EndPath" class="msg msgEvent" style="margin-left:21ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">31</div></td><td><div class="PathNav"><a href="#Path30" title="Previous event (30)">&#x2190;</a></div></td></td><td>Potential leak of memory pointed to by 'layerFSName'</td></tr></table></div></td></tr>
7432<tr><td class="num" id="LN7322">7322</td><td class="line"> mount-&gt;volume = volume;</td></tr>
7433<tr><td class="num" id="LN7323">7323</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
7434<tr><td class="num" id="LN7324">7324</td><td class="line"> volume-&gt;super_volume = mount-&gt;volume;</td></tr>
7435<tr><td class="num" id="LN7325">7325</td><td class="line"> mount-&gt;volume-&gt;sub_volume = volume;</td></tr>
7436<tr><td class="num" id="LN7326">7326</td><td class="line"> mount-&gt;volume = volume;</td></tr>
7437<tr><td class="num" id="LN7327">7327</td><td class="line"> }</td></tr>
7438<tr><td class="num" id="LN7328">7328</td><td class="line"> }</td></tr>
7439<tr><td class="num" id="LN7329">7329</td><td class="line"> </td></tr>
7440<tr><td class="num" id="LN7330">7330</td><td class="line"> <span class='comment'>// insert mount struct into list before we call FS's mount() function</span></td></tr>
7441<tr><td class="num" id="LN7331">7331</td><td class="line"> <span class='comment'>// so that vnodes can be created for this mount</span></td></tr>
7442<tr><td class="num" id="LN7332">7332</td><td class="line"> mutex_lock(&amp;sMountMutex);</td></tr>
7443<tr><td class="num" id="LN7333">7333</td><td class="line"> hash_insert(sMountsTable, mount);</td></tr>
7444<tr><td class="num" id="LN7334">7334</td><td class="line"> mutex_unlock(&amp;sMountMutex);</td></tr>
7445<tr><td class="num" id="LN7335">7335</td><td class="line"> </td></tr>
7446<tr><td class="num" id="LN7336">7336</td><td class="line"> ino_t rootID;</td></tr>
7447<tr><td class="num" id="LN7337">7337</td><td class="line"> </td></tr>
7448<tr><td class="num" id="LN7338">7338</td><td class="line"> <span class='keyword'>if</span> (!sRoot) {</td></tr>
7449<tr><td class="num" id="LN7339">7339</td><td class="line"> <span class='comment'>// we haven't mounted anything yet</span></td></tr>
7450<tr><td class="num" id="LN7340">7340</td><td class="line"> <span class='keyword'>if</span> (strcmp(path, <span class='string_literal'>"/"</span>) != 0) {</td></tr>
7451<tr><td class="num" id="LN7341">7341</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
7452<tr><td class="num" id="LN7342">7342</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
7453<tr><td class="num" id="LN7343">7343</td><td class="line"> }</td></tr>
7454<tr><td class="num" id="LN7344">7344</td><td class="line"> </td></tr>
7455<tr><td class="num" id="LN7345">7345</td><td class="line"> status = mount-&gt;volume-&gt;file_system-&gt;mount(mount-&gt;volume, device, flags,</td></tr>
7456<tr><td class="num" id="LN7346">7346</td><td class="line"> args, &amp;rootID);</td></tr>
7457<tr><td class="num" id="LN7347">7347</td><td class="line"> <span class='keyword'>if</span> (status != 0)</td></tr>
7458<tr><td class="num" id="LN7348">7348</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
7459<tr><td class="num" id="LN7349">7349</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
7460<tr><td class="num" id="LN7350">7350</td><td class="line"> status = path_to_vnode(path, <span class='keyword'>true</span>, &amp;coveredNode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
7461<tr><td class="num" id="LN7351">7351</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7462<tr><td class="num" id="LN7352">7352</td><td class="line"> <span class='keyword'>goto</span> err2;</td></tr>
7463<tr><td class="num" id="LN7353">7353</td><td class="line"> </td></tr>
7464<tr><td class="num" id="LN7354">7354</td><td class="line"> mount-&gt;covers_vnode = coveredNode;</td></tr>
7465<tr><td class="num" id="LN7355">7355</td><td class="line"> </td></tr>
7466<tr><td class="num" id="LN7356">7356</td><td class="line"> <span class='comment'>// make sure covered_vnode is a directory</span></td></tr>
7467<tr><td class="num" id="LN7357">7357</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>S_ISDIR(coveredNode-&gt;Type())<span class='expansion'>(((coveredNode-&gt;Type()) &amp; 00000170000) == 00000040000)</span></span>) {</td></tr>
7468<tr><td class="num" id="LN7358">7358</td><td class="line"> status = <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
7469<tr><td class="num" id="LN7359">7359</td><td class="line"> <span class='keyword'>goto</span> err3;</td></tr>
7470<tr><td class="num" id="LN7360">7360</td><td class="line"> }</td></tr>
7471<tr><td class="num" id="LN7361">7361</td><td class="line"> </td></tr>
7472<tr><td class="num" id="LN7362">7362</td><td class="line"> <span class='keyword'>if</span> (coveredNode-&gt;IsCovered()) {</td></tr>
7473<tr><td class="num" id="LN7363">7363</td><td class="line"> <span class='comment'>// this is already a covered vnode</span></td></tr>
7474<tr><td class="num" id="LN7364">7364</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
7475<tr><td class="num" id="LN7365">7365</td><td class="line"> <span class='keyword'>goto</span> err3;</td></tr>
7476<tr><td class="num" id="LN7366">7366</td><td class="line"> }</td></tr>
7477<tr><td class="num" id="LN7367">7367</td><td class="line"> </td></tr>
7478<tr><td class="num" id="LN7368">7368</td><td class="line"> <span class='comment'>// mount it/them</span></td></tr>
7479<tr><td class="num" id="LN7369">7369</td><td class="line"> fs_volume* volume = mount-&gt;volume;</td></tr>
7480<tr><td class="num" id="LN7370">7370</td><td class="line"> <span class='keyword'>while</span> (volume) {</td></tr>
7481<tr><td class="num" id="LN7371">7371</td><td class="line"> status = volume-&gt;file_system-&gt;mount(volume, device, flags, args,</td></tr>
7482<tr><td class="num" id="LN7372">7372</td><td class="line"> &amp;rootID);</td></tr>
7483<tr><td class="num" id="LN7373">7373</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
7484<tr><td class="num" id="LN7374">7374</td><td class="line"> <span class='keyword'>if</span> (volume-&gt;sub_volume)</td></tr>
7485<tr><td class="num" id="LN7375">7375</td><td class="line"> <span class='keyword'>goto</span> err4;</td></tr>
7486<tr><td class="num" id="LN7376">7376</td><td class="line"> <span class='keyword'>goto</span> err3;</td></tr>
7487<tr><td class="num" id="LN7377">7377</td><td class="line"> }</td></tr>
7488<tr><td class="num" id="LN7378">7378</td><td class="line"> </td></tr>
7489<tr><td class="num" id="LN7379">7379</td><td class="line"> volume = volume-&gt;super_volume;</td></tr>
7490<tr><td class="num" id="LN7380">7380</td><td class="line"> }</td></tr>
7491<tr><td class="num" id="LN7381">7381</td><td class="line"> </td></tr>
7492<tr><td class="num" id="LN7382">7382</td><td class="line"> volume = mount-&gt;volume;</td></tr>
7493<tr><td class="num" id="LN7383">7383</td><td class="line"> <span class='keyword'>while</span> (volume) {</td></tr>
7494<tr><td class="num" id="LN7384">7384</td><td class="line"> <span class='keyword'>if</span> (volume-&gt;ops-&gt;all_layers_mounted != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7495<tr><td class="num" id="LN7385">7385</td><td class="line"> volume-&gt;ops-&gt;all_layers_mounted(volume);</td></tr>
7496<tr><td class="num" id="LN7386">7386</td><td class="line"> volume = volume-&gt;super_volume;</td></tr>
7497<tr><td class="num" id="LN7387">7387</td><td class="line"> }</td></tr>
7498<tr><td class="num" id="LN7388">7388</td><td class="line"> }</td></tr>
7499<tr><td class="num" id="LN7389">7389</td><td class="line"> </td></tr>
7500<tr><td class="num" id="LN7390">7390</td><td class="line"> <span class='comment'>// the root node is supposed to be owned by the file system - it must</span></td></tr>
7501<tr><td class="num" id="LN7391">7391</td><td class="line"> <span class='comment'>// exist at this point</span></td></tr>
7502<tr><td class="num" id="LN7392">7392</td><td class="line"> mount-&gt;root_vnode = lookup_vnode(mount-&gt;id, rootID);</td></tr>
7503<tr><td class="num" id="LN7393">7393</td><td class="line"> <span class='keyword'>if</span> (mount-&gt;root_vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || mount-&gt;root_vnode-&gt;ref_count != 1) {</td></tr>
7504<tr><td class="num" id="LN7394">7394</td><td class="line"> panic(<span class='string_literal'>"fs_mount: file system does not own its root node!\n"</span>);</td></tr>
7505<tr><td class="num" id="LN7395">7395</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
7506<tr><td class="num" id="LN7396">7396</td><td class="line"> <span class='keyword'>goto</span> err4;</td></tr>
7507<tr><td class="num" id="LN7397">7397</td><td class="line"> }</td></tr>
7508<tr><td class="num" id="LN7398">7398</td><td class="line"> </td></tr>
7509<tr><td class="num" id="LN7399">7399</td><td class="line"> <span class='comment'>// set up the links between the root vnode and the vnode it covers</span></td></tr>
7510<tr><td class="num" id="LN7400">7400</td><td class="line"> rw_lock_write_lock(&amp;sVnodeLock);</td></tr>
7511<tr><td class="num" id="LN7401">7401</td><td class="line"> <span class='keyword'>if</span> (coveredNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7512<tr><td class="num" id="LN7402">7402</td><td class="line"> <span class='keyword'>if</span> (coveredNode-&gt;IsCovered()) {</td></tr>
7513<tr><td class="num" id="LN7403">7403</td><td class="line"> <span class='comment'>// the vnode is covered now</span></td></tr>
7514<tr><td class="num" id="LN7404">7404</td><td class="line"> status = <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
7515<tr><td class="num" id="LN7405">7405</td><td class="line"> rw_lock_write_unlock(&amp;sVnodeLock);</td></tr>
7516<tr><td class="num" id="LN7406">7406</td><td class="line"> <span class='keyword'>goto</span> err4;</td></tr>
7517<tr><td class="num" id="LN7407">7407</td><td class="line"> }</td></tr>
7518<tr><td class="num" id="LN7408">7408</td><td class="line"> </td></tr>
7519<tr><td class="num" id="LN7409">7409</td><td class="line"> mount-&gt;root_vnode-&gt;covers = coveredNode;</td></tr>
7520<tr><td class="num" id="LN7410">7410</td><td class="line"> mount-&gt;root_vnode-&gt;SetCovering(<span class='keyword'>true</span>);</td></tr>
7521<tr><td class="num" id="LN7411">7411</td><td class="line"> </td></tr>
7522<tr><td class="num" id="LN7412">7412</td><td class="line"> coveredNode-&gt;covered_by = mount-&gt;root_vnode;</td></tr>
7523<tr><td class="num" id="LN7413">7413</td><td class="line"> coveredNode-&gt;SetCovered(<span class='keyword'>true</span>);</td></tr>
7524<tr><td class="num" id="LN7414">7414</td><td class="line"> }</td></tr>
7525<tr><td class="num" id="LN7415">7415</td><td class="line"> rw_lock_write_unlock(&amp;sVnodeLock);</td></tr>
7526<tr><td class="num" id="LN7416">7416</td><td class="line"> </td></tr>
7527<tr><td class="num" id="LN7417">7417</td><td class="line"> <span class='keyword'>if</span> (!sRoot) {</td></tr>
7528<tr><td class="num" id="LN7418">7418</td><td class="line"> sRoot = mount-&gt;root_vnode;</td></tr>
7529<tr><td class="num" id="LN7419">7419</td><td class="line"> mutex_lock(&amp;sIOContextRootLock);</td></tr>
7530<tr><td class="num" id="LN7420">7420</td><td class="line"> get_current_io_context(<span class='keyword'>true</span>)-&gt;root = sRoot;</td></tr>
7531<tr><td class="num" id="LN7421">7421</td><td class="line"> mutex_unlock(&amp;sIOContextRootLock);</td></tr>
7532<tr><td class="num" id="LN7422">7422</td><td class="line"> inc_vnode_ref_count(sRoot);</td></tr>
7533<tr><td class="num" id="LN7423">7423</td><td class="line"> }</td></tr>
7534<tr><td class="num" id="LN7424">7424</td><td class="line"> </td></tr>
7535<tr><td class="num" id="LN7425">7425</td><td class="line"> <span class='comment'>// supply the partition (if any) with the mount cookie and mark it mounted</span></td></tr>
7536<tr><td class="num" id="LN7426">7426</td><td class="line"> <span class='keyword'>if</span> (partition) {</td></tr>
7537<tr><td class="num" id="LN7427">7427</td><td class="line"> partition-&gt;SetMountCookie(mount-&gt;volume-&gt;private_volume);</td></tr>
7538<tr><td class="num" id="LN7428">7428</td><td class="line"> partition-&gt;SetVolumeID(mount-&gt;id);</td></tr>
7539<tr><td class="num" id="LN7429">7429</td><td class="line"> </td></tr>
7540<tr><td class="num" id="LN7430">7430</td><td class="line"> <span class='comment'>// keep a partition reference as long as the partition is mounted</span></td></tr>
7541<tr><td class="num" id="LN7431">7431</td><td class="line"> partitionRegistrar.Detach();</td></tr>
7542<tr><td class="num" id="LN7432">7432</td><td class="line"> mount-&gt;partition = partition;</td></tr>
7543<tr><td class="num" id="LN7433">7433</td><td class="line"> mount-&gt;owns_file_device = newlyCreatedFileDevice;</td></tr>
7544<tr><td class="num" id="LN7434">7434</td><td class="line"> fileDeviceDeleter.id = -1;</td></tr>
7545<tr><td class="num" id="LN7435">7435</td><td class="line"> }</td></tr>
7546<tr><td class="num" id="LN7436">7436</td><td class="line"> </td></tr>
7547<tr><td class="num" id="LN7437">7437</td><td class="line"> notify_mount(mount-&gt;id,</td></tr>
7548<tr><td class="num" id="LN7438">7438</td><td class="line"> coveredNode != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? coveredNode-&gt;device : -1,</td></tr>
7549<tr><td class="num" id="LN7439">7439</td><td class="line"> coveredNode ? coveredNode-&gt;id : -1);</td></tr>
7550<tr><td class="num" id="LN7440">7440</td><td class="line"> </td></tr>
7551<tr><td class="num" id="LN7441">7441</td><td class="line"> <span class='keyword'>return</span> mount-&gt;id;</td></tr>
7552<tr><td class="num" id="LN7442">7442</td><td class="line"> </td></tr>
7553<tr><td class="num" id="LN7443">7443</td><td class="line">err4:</td></tr>
7554<tr><td class="num" id="LN7444">7444</td><td class="line"> <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, unmount)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;unmount != __null) ? mount-&gt;<br>volume-&gt;ops-&gt;unmount(mount-&gt;volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "unmount" " is NULL"), 0))</span></span>;</td></tr>
7555<tr><td class="num" id="LN7445">7445</td><td class="line">err3:</td></tr>
7556<tr><td class="num" id="LN7446">7446</td><td class="line"> <span class='keyword'>if</span> (coveredNode != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7557<tr><td class="num" id="LN7447">7447</td><td class="line"> put_vnode(coveredNode);</td></tr>
7558<tr><td class="num" id="LN7448">7448</td><td class="line">err2:</td></tr>
7559<tr><td class="num" id="LN7449">7449</td><td class="line"> mutex_lock(&amp;sMountMutex);</td></tr>
7560<tr><td class="num" id="LN7450">7450</td><td class="line"> hash_remove(sMountsTable, mount);</td></tr>
7561<tr><td class="num" id="LN7451">7451</td><td class="line"> mutex_unlock(&amp;sMountMutex);</td></tr>
7562<tr><td class="num" id="LN7452">7452</td><td class="line">err1:</td></tr>
7563<tr><td class="num" id="LN7453">7453</td><td class="line"> <span class='keyword'>delete</span> mount;</td></tr>
7564<tr><td class="num" id="LN7454">7454</td><td class="line"> </td></tr>
7565<tr><td class="num" id="LN7455">7455</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7566<tr><td class="num" id="LN7456">7456</td><td class="line">}</td></tr>
7567<tr><td class="num" id="LN7457">7457</td><td class="line"> </td></tr>
7568<tr><td class="num" id="LN7458">7458</td><td class="line"> </td></tr>
7569<tr><td class="num" id="LN7459">7459</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7570<tr><td class="num" id="LN7460">7460</td><td class="line">fs_unmount(<span class='keyword'>char</span>* path, dev_t mountID, uint32 flags, <span class='keyword'>bool</span> kernel)</td></tr>
7571<tr><td class="num" id="LN7461">7461</td><td class="line">{</td></tr>
7572<tr><td class="num" id="LN7462">7462</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7573<tr><td class="num" id="LN7463">7463</td><td class="line"> status_t err;</td></tr>
7574<tr><td class="num" id="LN7464">7464</td><td class="line"> </td></tr>
7575<tr><td class="num" id="LN7465">7465</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"fs_unmount(path '%s', dev %"</span> B_PRId32 <span class='string_literal'>", kernel %d\n"</span>, path,<span class='expansion'>;</span></span></td></tr>
7576<tr><td class="num" id="LN7466">7466</td><td class="line"> <span class='macro'>mountID, kernel))<span class='expansion'>;</span></span>;</td></tr>
7577<tr><td class="num" id="LN7467">7467</td><td class="line"> </td></tr>
7578<tr><td class="num" id="LN7468">7468</td><td class="line"> <span class='keyword'>struct</span> vnode* pathVnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7579<tr><td class="num" id="LN7469">7469</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7580<tr><td class="num" id="LN7470">7470</td><td class="line"> err = path_to_vnode(path, <span class='keyword'>true</span>, &amp;pathVnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
7581<tr><td class="num" id="LN7471">7471</td><td class="line"> <span class='keyword'>if</span> (err != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7582<tr><td class="num" id="LN7472">7472</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
7583<tr><td class="num" id="LN7473">7473</td><td class="line"> }</td></tr>
7584<tr><td class="num" id="LN7474">7474</td><td class="line"> </td></tr>
7585<tr><td class="num" id="LN7475">7475</td><td class="line"> RecursiveLocker mountOpLocker(sMountOpLock);</td></tr>
7586<tr><td class="num" id="LN7476">7476</td><td class="line"> </td></tr>
7587<tr><td class="num" id="LN7477">7477</td><td class="line"> <span class='comment'>// this lock is not strictly necessary, but here in case of KDEBUG</span></td></tr>
7588<tr><td class="num" id="LN7478">7478</td><td class="line"> <span class='comment'>// to keep the ASSERT in find_mount() working.</span></td></tr>
7589<tr><td class="num" id="LN7479">7479</td><td class="line"> <span class='macro'>KDEBUG_ONLY(mutex_lock(&amp;sMountMutex))<span class='expansion'>mutex_lock(&amp;sMountMutex)</span></span>;</td></tr>
7590<tr><td class="num" id="LN7480">7480</td><td class="line"> mount = find_mount(path != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? pathVnode-&gt;device : mountID);</td></tr>
7591<tr><td class="num" id="LN7481">7481</td><td class="line"> <span class='macro'>KDEBUG_ONLY(mutex_unlock(&amp;sMountMutex))<span class='expansion'>mutex_unlock(&amp;sMountMutex)</span></span>;</td></tr>
7592<tr><td class="num" id="LN7482">7482</td><td class="line"> <span class='keyword'>if</span> (mount == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7593<tr><td class="num" id="LN7483">7483</td><td class="line"> panic(<span class='string_literal'>"fs_unmount: find_mount() failed on root vnode @%p of mount\n"</span>,</td></tr>
7594<tr><td class="num" id="LN7484">7484</td><td class="line"> pathVnode);</td></tr>
7595<tr><td class="num" id="LN7485">7485</td><td class="line"> }</td></tr>
7596<tr><td class="num" id="LN7486">7486</td><td class="line"> </td></tr>
7597<tr><td class="num" id="LN7487">7487</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7598<tr><td class="num" id="LN7488">7488</td><td class="line"> put_vnode(pathVnode);</td></tr>
7599<tr><td class="num" id="LN7489">7489</td><td class="line"> </td></tr>
7600<tr><td class="num" id="LN7490">7490</td><td class="line"> <span class='keyword'>if</span> (mount-&gt;root_vnode != pathVnode) {</td></tr>
7601<tr><td class="num" id="LN7491">7491</td><td class="line"> <span class='comment'>// not mountpoint</span></td></tr>
7602<tr><td class="num" id="LN7492">7492</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
7603<tr><td class="num" id="LN7493">7493</td><td class="line"> }</td></tr>
7604<tr><td class="num" id="LN7494">7494</td><td class="line"> }</td></tr>
7605<tr><td class="num" id="LN7495">7495</td><td class="line"> </td></tr>
7606<tr><td class="num" id="LN7496">7496</td><td class="line"> <span class='comment'>// if the volume is associated with a partition, lock the device of the</span></td></tr>
7607<tr><td class="num" id="LN7497">7497</td><td class="line"> <span class='comment'>// partition as long as we are unmounting</span></td></tr>
7608<tr><td class="num" id="LN7498">7498</td><td class="line"> KDiskDeviceManager* ddm = KDiskDeviceManager::Default();</td></tr>
7609<tr><td class="num" id="LN7499">7499</td><td class="line"> KPartition* partition = mount-&gt;partition;</td></tr>
7610<tr><td class="num" id="LN7500">7500</td><td class="line"> KDiskDevice* diskDevice = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7611<tr><td class="num" id="LN7501">7501</td><td class="line"> <span class='keyword'>if</span> (partition != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7612<tr><td class="num" id="LN7502">7502</td><td class="line"> <span class='keyword'>if</span> (partition-&gt;Device() == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7613<tr><td class="num" id="LN7503">7503</td><td class="line"> dprintf(<span class='string_literal'>"fs_unmount(): There is no device!\n"</span>);</td></tr>
7614<tr><td class="num" id="LN7504">7504</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
7615<tr><td class="num" id="LN7505">7505</td><td class="line"> }</td></tr>
7616<tr><td class="num" id="LN7506">7506</td><td class="line"> diskDevice = ddm-&gt;WriteLockDevice(partition-&gt;Device()-&gt;ID());</td></tr>
7617<tr><td class="num" id="LN7507">7507</td><td class="line"> <span class='keyword'>if</span> (!diskDevice) {</td></tr>
7618<tr><td class="num" id="LN7508">7508</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_unmount(): Failed to lock disk device!\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
7619<tr><td class="num" id="LN7509">7509</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
7620<tr><td class="num" id="LN7510">7510</td><td class="line"> }</td></tr>
7621<tr><td class="num" id="LN7511">7511</td><td class="line"> }</td></tr>
7622<tr><td class="num" id="LN7512">7512</td><td class="line"> DeviceWriteLocker writeLocker(diskDevice, <span class='keyword'>true</span>);</td></tr>
7623<tr><td class="num" id="LN7513">7513</td><td class="line"> </td></tr>
7624<tr><td class="num" id="LN7514">7514</td><td class="line"> <span class='comment'>// make sure, that the partition is not busy</span></td></tr>
7625<tr><td class="num" id="LN7515">7515</td><td class="line"> <span class='keyword'>if</span> (partition != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7626<tr><td class="num" id="LN7516">7516</td><td class="line"> <span class='keyword'>if</span> ((flags &amp; <span class='macro'>B_UNMOUNT_BUSY_PARTITION<span class='expansion'>0x80000000</span></span>) == 0 &amp;&amp; partition-&gt;IsBusy()) {</td></tr>
7627<tr><td class="num" id="LN7517">7517</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"fs_unmount(): Partition is busy.\n"</span>))<span class='expansion'>;</span></span>;</td></tr>
7628<tr><td class="num" id="LN7518">7518</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
7629<tr><td class="num" id="LN7519">7519</td><td class="line"> }</td></tr>
7630<tr><td class="num" id="LN7520">7520</td><td class="line"> }</td></tr>
7631<tr><td class="num" id="LN7521">7521</td><td class="line"> </td></tr>
7632<tr><td class="num" id="LN7522">7522</td><td class="line"> <span class='comment'>// grab the vnode master mutex to keep someone from creating</span></td></tr>
7633<tr><td class="num" id="LN7523">7523</td><td class="line"> <span class='comment'>// a vnode while we're figuring out if we can continue</span></td></tr>
7634<tr><td class="num" id="LN7524">7524</td><td class="line"> WriteLocker vnodesWriteLocker(&amp;sVnodeLock);</td></tr>
7635<tr><td class="num" id="LN7525">7525</td><td class="line"> </td></tr>
7636<tr><td class="num" id="LN7526">7526</td><td class="line"> <span class='keyword'>bool</span> disconnectedDescriptors = <span class='keyword'>false</span>;</td></tr>
7637<tr><td class="num" id="LN7527">7527</td><td class="line"> </td></tr>
7638<tr><td class="num" id="LN7528">7528</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
7639<tr><td class="num" id="LN7529">7529</td><td class="line"> <span class='keyword'>bool</span> busy = <span class='keyword'>false</span>;</td></tr>
7640<tr><td class="num" id="LN7530">7530</td><td class="line"> </td></tr>
7641<tr><td class="num" id="LN7531">7531</td><td class="line"> <span class='comment'>// cycle through the list of vnodes associated with this mount and</span></td></tr>
7642<tr><td class="num" id="LN7532">7532</td><td class="line"> <span class='comment'>// make sure all of them are not busy or have refs on them</span></td></tr>
7643<tr><td class="num" id="LN7533">7533</td><td class="line"> VnodeList::Iterator iterator = mount-&gt;vnodes.GetIterator();</td></tr>
7644<tr><td class="num" id="LN7534">7534</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>struct</span> vnode* vnode = iterator.Next()) {</td></tr>
7645<tr><td class="num" id="LN7535">7535</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;IsBusy()) {</td></tr>
7646<tr><td class="num" id="LN7536">7536</td><td class="line"> busy = <span class='keyword'>true</span>;</td></tr>
7647<tr><td class="num" id="LN7537">7537</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
7648<tr><td class="num" id="LN7538">7538</td><td class="line"> }</td></tr>
7649<tr><td class="num" id="LN7539">7539</td><td class="line"> </td></tr>
7650<tr><td class="num" id="LN7540">7540</td><td class="line"> <span class='comment'>// check the vnode's ref count -- subtract additional references for</span></td></tr>
7651<tr><td class="num" id="LN7541">7541</td><td class="line"> <span class='comment'>// covering</span></td></tr>
7652<tr><td class="num" id="LN7542">7542</td><td class="line"> int32 refCount = vnode-&gt;ref_count;</td></tr>
7653<tr><td class="num" id="LN7543">7543</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;covers != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7654<tr><td class="num" id="LN7544">7544</td><td class="line"> refCount--;</td></tr>
7655<tr><td class="num" id="LN7545">7545</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;covered_by != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7656<tr><td class="num" id="LN7546">7546</td><td class="line"> refCount--;</td></tr>
7657<tr><td class="num" id="LN7547">7547</td><td class="line"> </td></tr>
7658<tr><td class="num" id="LN7548">7548</td><td class="line"> <span class='keyword'>if</span> (refCount != 0) {</td></tr>
7659<tr><td class="num" id="LN7549">7549</td><td class="line"> <span class='comment'>// there are still vnodes in use on this mount, so we cannot</span></td></tr>
7660<tr><td class="num" id="LN7550">7550</td><td class="line"> <span class='comment'>// unmount yet</span></td></tr>
7661<tr><td class="num" id="LN7551">7551</td><td class="line"> busy = <span class='keyword'>true</span>;</td></tr>
7662<tr><td class="num" id="LN7552">7552</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
7663<tr><td class="num" id="LN7553">7553</td><td class="line"> }</td></tr>
7664<tr><td class="num" id="LN7554">7554</td><td class="line"> }</td></tr>
7665<tr><td class="num" id="LN7555">7555</td><td class="line"> </td></tr>
7666<tr><td class="num" id="LN7556">7556</td><td class="line"> <span class='keyword'>if</span> (!busy)</td></tr>
7667<tr><td class="num" id="LN7557">7557</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
7668<tr><td class="num" id="LN7558">7558</td><td class="line"> </td></tr>
7669<tr><td class="num" id="LN7559">7559</td><td class="line"> <span class='keyword'>if</span> ((flags &amp; <span class='macro'>B_FORCE_UNMOUNT<span class='expansion'>1</span></span>) == 0)</td></tr>
7670<tr><td class="num" id="LN7560">7560</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUSY<span class='expansion'>((-2147483647 - 1) + 14)</span></span>;</td></tr>
7671<tr><td class="num" id="LN7561">7561</td><td class="line"> </td></tr>
7672<tr><td class="num" id="LN7562">7562</td><td class="line"> <span class='keyword'>if</span> (disconnectedDescriptors) {</td></tr>
7673<tr><td class="num" id="LN7563">7563</td><td class="line"> <span class='comment'>// wait a bit until the last access is finished, and then try again</span></td></tr>
7674<tr><td class="num" id="LN7564">7564</td><td class="line"> vnodesWriteLocker.Unlock();</td></tr>
7675<tr><td class="num" id="LN7565">7565</td><td class="line"> snooze(100000);</td></tr>
7676<tr><td class="num" id="LN7566">7566</td><td class="line"> <span class='comment'>// TODO: if there is some kind of bug that prevents the ref counts</span></td></tr>
7677<tr><td class="num" id="LN7567">7567</td><td class="line"> <span class='comment'>// from getting back to zero, this will fall into an endless loop...</span></td></tr>
7678<tr><td class="num" id="LN7568">7568</td><td class="line"> vnodesWriteLocker.Lock();</td></tr>
7679<tr><td class="num" id="LN7569">7569</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
7680<tr><td class="num" id="LN7570">7570</td><td class="line"> }</td></tr>
7681<tr><td class="num" id="LN7571">7571</td><td class="line"> </td></tr>
7682<tr><td class="num" id="LN7572">7572</td><td class="line"> <span class='comment'>// the file system is still busy - but we're forced to unmount it,</span></td></tr>
7683<tr><td class="num" id="LN7573">7573</td><td class="line"> <span class='comment'>// so let's disconnect all open file descriptors</span></td></tr>
7684<tr><td class="num" id="LN7574">7574</td><td class="line"> </td></tr>
7685<tr><td class="num" id="LN7575">7575</td><td class="line"> mount-&gt;unmounting = <span class='keyword'>true</span>;</td></tr>
7686<tr><td class="num" id="LN7576">7576</td><td class="line"> <span class='comment'>// prevent new vnodes from being created</span></td></tr>
7687<tr><td class="num" id="LN7577">7577</td><td class="line"> </td></tr>
7688<tr><td class="num" id="LN7578">7578</td><td class="line"> vnodesWriteLocker.Unlock();</td></tr>
7689<tr><td class="num" id="LN7579">7579</td><td class="line"> </td></tr>
7690<tr><td class="num" id="LN7580">7580</td><td class="line"> disconnect_mount_or_vnode_fds(mount, <span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
7691<tr><td class="num" id="LN7581">7581</td><td class="line"> disconnectedDescriptors = <span class='keyword'>true</span>;</td></tr>
7692<tr><td class="num" id="LN7582">7582</td><td class="line"> </td></tr>
7693<tr><td class="num" id="LN7583">7583</td><td class="line"> vnodesWriteLocker.Lock();</td></tr>
7694<tr><td class="num" id="LN7584">7584</td><td class="line"> }</td></tr>
7695<tr><td class="num" id="LN7585">7585</td><td class="line"> </td></tr>
7696<tr><td class="num" id="LN7586">7586</td><td class="line"> <span class='comment'>// We can safely continue. Mark all of the vnodes busy and this mount</span></td></tr>
7697<tr><td class="num" id="LN7587">7587</td><td class="line"> <span class='comment'>// structure in unmounting state. Also undo the vnode covers/covered_by</span></td></tr>
7698<tr><td class="num" id="LN7588">7588</td><td class="line"> <span class='comment'>// links.</span></td></tr>
7699<tr><td class="num" id="LN7589">7589</td><td class="line"> mount-&gt;unmounting = <span class='keyword'>true</span>;</td></tr>
7700<tr><td class="num" id="LN7590">7590</td><td class="line"> </td></tr>
7701<tr><td class="num" id="LN7591">7591</td><td class="line"> VnodeList::Iterator iterator = mount-&gt;vnodes.GetIterator();</td></tr>
7702<tr><td class="num" id="LN7592">7592</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>struct</span> vnode* vnode = iterator.Next()) {</td></tr>
7703<tr><td class="num" id="LN7593">7593</td><td class="line"> <span class='comment'>// Remove all covers/covered_by links from other mounts' nodes to this</span></td></tr>
7704<tr><td class="num" id="LN7594">7594</td><td class="line"> <span class='comment'>// vnode and adjust the node ref count accordingly. We will release the</span></td></tr>
7705<tr><td class="num" id="LN7595">7595</td><td class="line"> <span class='comment'>// references to the external vnodes below.</span></td></tr>
7706<tr><td class="num" id="LN7596">7596</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredNode = vnode-&gt;covers) {</td></tr>
7707<tr><td class="num" id="LN7597">7597</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = vnode-&gt;covered_by) {</td></tr>
7708<tr><td class="num" id="LN7598">7598</td><td class="line"> <span class='comment'>// We have both covered and covering vnodes, so just remove us</span></td></tr>
7709<tr><td class="num" id="LN7599">7599</td><td class="line"> <span class='comment'>// from the chain.</span></td></tr>
7710<tr><td class="num" id="LN7600">7600</td><td class="line"> coveredNode-&gt;covered_by = coveringNode;</td></tr>
7711<tr><td class="num" id="LN7601">7601</td><td class="line"> coveringNode-&gt;covers = coveredNode;</td></tr>
7712<tr><td class="num" id="LN7602">7602</td><td class="line"> vnode-&gt;ref_count -= 2;</td></tr>
7713<tr><td class="num" id="LN7603">7603</td><td class="line"> </td></tr>
7714<tr><td class="num" id="LN7604">7604</td><td class="line"> vnode-&gt;covered_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7715<tr><td class="num" id="LN7605">7605</td><td class="line"> vnode-&gt;covers = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7716<tr><td class="num" id="LN7606">7606</td><td class="line"> vnode-&gt;SetCovering(<span class='keyword'>false</span>);</td></tr>
7717<tr><td class="num" id="LN7607">7607</td><td class="line"> vnode-&gt;SetCovered(<span class='keyword'>false</span>);</td></tr>
7718<tr><td class="num" id="LN7608">7608</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
7719<tr><td class="num" id="LN7609">7609</td><td class="line"> <span class='comment'>// We only have a covered vnode. Remove its link to us.</span></td></tr>
7720<tr><td class="num" id="LN7610">7610</td><td class="line"> coveredNode-&gt;covered_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7721<tr><td class="num" id="LN7611">7611</td><td class="line"> coveredNode-&gt;SetCovered(<span class='keyword'>false</span>);</td></tr>
7722<tr><td class="num" id="LN7612">7612</td><td class="line"> vnode-&gt;ref_count--;</td></tr>
7723<tr><td class="num" id="LN7613">7613</td><td class="line"> </td></tr>
7724<tr><td class="num" id="LN7614">7614</td><td class="line"> <span class='comment'>// If the other node is an external vnode, we keep its link</span></td></tr>
7725<tr><td class="num" id="LN7615">7615</td><td class="line"> <span class='comment'>// link around so we can put the reference later on. Otherwise</span></td></tr>
7726<tr><td class="num" id="LN7616">7616</td><td class="line"> <span class='comment'>// we get rid of it right now.</span></td></tr>
7727<tr><td class="num" id="LN7617">7617</td><td class="line"> <span class='keyword'>if</span> (coveredNode-&gt;mount == mount) {</td></tr>
7728<tr><td class="num" id="LN7618">7618</td><td class="line"> vnode-&gt;covers = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7729<tr><td class="num" id="LN7619">7619</td><td class="line"> coveredNode-&gt;ref_count--;</td></tr>
7730<tr><td class="num" id="LN7620">7620</td><td class="line"> }</td></tr>
7731<tr><td class="num" id="LN7621">7621</td><td class="line"> }</td></tr>
7732<tr><td class="num" id="LN7622">7622</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (Vnode* coveringNode = vnode-&gt;covered_by) {</td></tr>
7733<tr><td class="num" id="LN7623">7623</td><td class="line"> <span class='comment'>// We only have a covering vnode. Remove its link to us.</span></td></tr>
7734<tr><td class="num" id="LN7624">7624</td><td class="line"> coveringNode-&gt;covers = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7735<tr><td class="num" id="LN7625">7625</td><td class="line"> coveringNode-&gt;SetCovering(<span class='keyword'>false</span>);</td></tr>
7736<tr><td class="num" id="LN7626">7626</td><td class="line"> vnode-&gt;ref_count--;</td></tr>
7737<tr><td class="num" id="LN7627">7627</td><td class="line"> </td></tr>
7738<tr><td class="num" id="LN7628">7628</td><td class="line"> <span class='comment'>// If the other node is an external vnode, we keep its link</span></td></tr>
7739<tr><td class="num" id="LN7629">7629</td><td class="line"> <span class='comment'>// link around so we can put the reference later on. Otherwise</span></td></tr>
7740<tr><td class="num" id="LN7630">7630</td><td class="line"> <span class='comment'>// we get rid of it right now.</span></td></tr>
7741<tr><td class="num" id="LN7631">7631</td><td class="line"> <span class='keyword'>if</span> (coveringNode-&gt;mount == mount) {</td></tr>
7742<tr><td class="num" id="LN7632">7632</td><td class="line"> vnode-&gt;covered_by = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7743<tr><td class="num" id="LN7633">7633</td><td class="line"> coveringNode-&gt;ref_count--;</td></tr>
7744<tr><td class="num" id="LN7634">7634</td><td class="line"> }</td></tr>
7745<tr><td class="num" id="LN7635">7635</td><td class="line"> }</td></tr>
7746<tr><td class="num" id="LN7636">7636</td><td class="line"> </td></tr>
7747<tr><td class="num" id="LN7637">7637</td><td class="line"> vnode-&gt;SetBusy(<span class='keyword'>true</span>);</td></tr>
7748<tr><td class="num" id="LN7638">7638</td><td class="line"> vnode_to_be_freed(vnode);</td></tr>
7749<tr><td class="num" id="LN7639">7639</td><td class="line"> }</td></tr>
7750<tr><td class="num" id="LN7640">7640</td><td class="line"> </td></tr>
7751<tr><td class="num" id="LN7641">7641</td><td class="line"> vnodesWriteLocker.Unlock();</td></tr>
7752<tr><td class="num" id="LN7642">7642</td><td class="line"> </td></tr>
7753<tr><td class="num" id="LN7643">7643</td><td class="line"> <span class='comment'>// Free all vnodes associated with this mount.</span></td></tr>
7754<tr><td class="num" id="LN7644">7644</td><td class="line"> <span class='comment'>// They will be removed from the mount list by free_vnode(), so</span></td></tr>
7755<tr><td class="num" id="LN7645">7645</td><td class="line"> <span class='comment'>// we don't have to do this.</span></td></tr>
7756<tr><td class="num" id="LN7646">7646</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>struct</span> vnode* vnode = mount-&gt;vnodes.Head()) {</td></tr>
7757<tr><td class="num" id="LN7647">7647</td><td class="line"> <span class='comment'>// Put the references to external covered/covering vnodes we kept above.</span></td></tr>
7758<tr><td class="num" id="LN7648">7648</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveredNode = vnode-&gt;covers)</td></tr>
7759<tr><td class="num" id="LN7649">7649</td><td class="line"> put_vnode(coveredNode);</td></tr>
7760<tr><td class="num" id="LN7650">7650</td><td class="line"> <span class='keyword'>if</span> (Vnode* coveringNode = vnode-&gt;covered_by)</td></tr>
7761<tr><td class="num" id="LN7651">7651</td><td class="line"> put_vnode(coveringNode);</td></tr>
7762<tr><td class="num" id="LN7652">7652</td><td class="line"> </td></tr>
7763<tr><td class="num" id="LN7653">7653</td><td class="line"> free_vnode(vnode, <span class='keyword'>false</span>);</td></tr>
7764<tr><td class="num" id="LN7654">7654</td><td class="line"> }</td></tr>
7765<tr><td class="num" id="LN7655">7655</td><td class="line"> </td></tr>
7766<tr><td class="num" id="LN7656">7656</td><td class="line"> <span class='comment'>// remove the mount structure from the hash table</span></td></tr>
7767<tr><td class="num" id="LN7657">7657</td><td class="line"> mutex_lock(&amp;sMountMutex);</td></tr>
7768<tr><td class="num" id="LN7658">7658</td><td class="line"> hash_remove(sMountsTable, mount);</td></tr>
7769<tr><td class="num" id="LN7659">7659</td><td class="line"> mutex_unlock(&amp;sMountMutex);</td></tr>
7770<tr><td class="num" id="LN7660">7660</td><td class="line"> </td></tr>
7771<tr><td class="num" id="LN7661">7661</td><td class="line"> mountOpLocker.Unlock();</td></tr>
7772<tr><td class="num" id="LN7662">7662</td><td class="line"> </td></tr>
7773<tr><td class="num" id="LN7663">7663</td><td class="line"> <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, unmount)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;unmount != __null) ? mount-&gt;<br>volume-&gt;ops-&gt;unmount(mount-&gt;volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "unmount" " is NULL"), 0))</span></span>;</td></tr>
7774<tr><td class="num" id="LN7664">7664</td><td class="line"> notify_unmount(mount-&gt;id);</td></tr>
7775<tr><td class="num" id="LN7665">7665</td><td class="line"> </td></tr>
7776<tr><td class="num" id="LN7666">7666</td><td class="line"> <span class='comment'>// dereference the partition and mark it unmounted</span></td></tr>
7777<tr><td class="num" id="LN7667">7667</td><td class="line"> <span class='keyword'>if</span> (partition) {</td></tr>
7778<tr><td class="num" id="LN7668">7668</td><td class="line"> partition-&gt;SetVolumeID(-1);</td></tr>
7779<tr><td class="num" id="LN7669">7669</td><td class="line"> partition-&gt;SetMountCookie(<span class='macro'>NULL<span class='expansion'>__null</span></span>);</td></tr>
7780<tr><td class="num" id="LN7670">7670</td><td class="line"> </td></tr>
7781<tr><td class="num" id="LN7671">7671</td><td class="line"> <span class='keyword'>if</span> (mount-&gt;owns_file_device)</td></tr>
7782<tr><td class="num" id="LN7672">7672</td><td class="line"> KDiskDeviceManager::Default()-&gt;DeleteFileDevice(partition-&gt;ID());</td></tr>
7783<tr><td class="num" id="LN7673">7673</td><td class="line"> partition-&gt;Unregister();</td></tr>
7784<tr><td class="num" id="LN7674">7674</td><td class="line"> }</td></tr>
7785<tr><td class="num" id="LN7675">7675</td><td class="line"> </td></tr>
7786<tr><td class="num" id="LN7676">7676</td><td class="line"> <span class='keyword'>delete</span> mount;</td></tr>
7787<tr><td class="num" id="LN7677">7677</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
7788<tr><td class="num" id="LN7678">7678</td><td class="line">}</td></tr>
7789<tr><td class="num" id="LN7679">7679</td><td class="line"> </td></tr>
7790<tr><td class="num" id="LN7680">7680</td><td class="line"> </td></tr>
7791<tr><td class="num" id="LN7681">7681</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7792<tr><td class="num" id="LN7682">7682</td><td class="line">fs_sync(dev_t device)</td></tr>
7793<tr><td class="num" id="LN7683">7683</td><td class="line">{</td></tr>
7794<tr><td class="num" id="LN7684">7684</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7795<tr><td class="num" id="LN7685">7685</td><td class="line"> status_t status = get_mount(device, &amp;mount);</td></tr>
7796<tr><td class="num" id="LN7686">7686</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7797<tr><td class="num" id="LN7687">7687</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7798<tr><td class="num" id="LN7688">7688</td><td class="line"> </td></tr>
7799<tr><td class="num" id="LN7689">7689</td><td class="line"> <span class='keyword'>struct</span> vnode marker;</td></tr>
7800<tr><td class="num" id="LN7690">7690</td><td class="line"> memset(&amp;marker, 0, <span class='keyword'>sizeof</span>(marker));</td></tr>
7801<tr><td class="num" id="LN7691">7691</td><td class="line"> marker.SetBusy(<span class='keyword'>true</span>);</td></tr>
7802<tr><td class="num" id="LN7692">7692</td><td class="line"> marker.SetRemoved(<span class='keyword'>true</span>);</td></tr>
7803<tr><td class="num" id="LN7693">7693</td><td class="line"> </td></tr>
7804<tr><td class="num" id="LN7694">7694</td><td class="line"> <span class='comment'>// First, synchronize all file caches</span></td></tr>
7805<tr><td class="num" id="LN7695">7695</td><td class="line"> </td></tr>
7806<tr><td class="num" id="LN7696">7696</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
7807<tr><td class="num" id="LN7697">7697</td><td class="line"> WriteLocker locker(sVnodeLock);</td></tr>
7808<tr><td class="num" id="LN7698">7698</td><td class="line"> <span class='comment'>// Note: That's the easy way. Which is probably OK for sync(),</span></td></tr>
7809<tr><td class="num" id="LN7699">7699</td><td class="line"> <span class='comment'>// since it's a relatively rare call and doesn't need to allow for</span></td></tr>
7810<tr><td class="num" id="LN7700">7700</td><td class="line"> <span class='comment'>// a lot of concurrency. Using a read lock would be possible, but</span></td></tr>
7811<tr><td class="num" id="LN7701">7701</td><td class="line"> <span class='comment'>// also more involved, since we had to lock the individual nodes</span></td></tr>
7812<tr><td class="num" id="LN7702">7702</td><td class="line"> <span class='comment'>// and take care of the locking order, which we might not want to</span></td></tr>
7813<tr><td class="num" id="LN7703">7703</td><td class="line"> <span class='comment'>// do while holding fs_mount::rlock.</span></td></tr>
7814<tr><td class="num" id="LN7704">7704</td><td class="line"> </td></tr>
7815<tr><td class="num" id="LN7705">7705</td><td class="line"> <span class='comment'>// synchronize access to vnode list</span></td></tr>
7816<tr><td class="num" id="LN7706">7706</td><td class="line"> recursive_lock_lock(&amp;mount-&gt;rlock);</td></tr>
7817<tr><td class="num" id="LN7707">7707</td><td class="line"> </td></tr>
7818<tr><td class="num" id="LN7708">7708</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
7819<tr><td class="num" id="LN7709">7709</td><td class="line"> <span class='keyword'>if</span> (!marker.IsRemoved()) {</td></tr>
7820<tr><td class="num" id="LN7710">7710</td><td class="line"> vnode = mount-&gt;vnodes.GetNext(&amp;marker);</td></tr>
7821<tr><td class="num" id="LN7711">7711</td><td class="line"> mount-&gt;vnodes.Remove(&amp;marker);</td></tr>
7822<tr><td class="num" id="LN7712">7712</td><td class="line"> marker.SetRemoved(<span class='keyword'>true</span>);</td></tr>
7823<tr><td class="num" id="LN7713">7713</td><td class="line"> } <span class='keyword'>else</span></td></tr>
7824<tr><td class="num" id="LN7714">7714</td><td class="line"> vnode = mount-&gt;vnodes.First();</td></tr>
7825<tr><td class="num" id="LN7715">7715</td><td class="line"> </td></tr>
7826<tr><td class="num" id="LN7716">7716</td><td class="line"> <span class='keyword'>while</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; (vnode-&gt;cache == <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
7827<tr><td class="num" id="LN7717">7717</td><td class="line"> || vnode-&gt;IsRemoved() || vnode-&gt;IsBusy())) {</td></tr>
7828<tr><td class="num" id="LN7718">7718</td><td class="line"> <span class='comment'>// TODO: we could track writes (and writable mapped vnodes)</span></td></tr>
7829<tr><td class="num" id="LN7719">7719</td><td class="line"> <span class='comment'>// and have a simple flag that we could test for here</span></td></tr>
7830<tr><td class="num" id="LN7720">7720</td><td class="line"> vnode = mount-&gt;vnodes.GetNext(vnode);</td></tr>
7831<tr><td class="num" id="LN7721">7721</td><td class="line"> }</td></tr>
7832<tr><td class="num" id="LN7722">7722</td><td class="line"> </td></tr>
7833<tr><td class="num" id="LN7723">7723</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7834<tr><td class="num" id="LN7724">7724</td><td class="line"> <span class='comment'>// insert marker vnode again</span></td></tr>
7835<tr><td class="num" id="LN7725">7725</td><td class="line"> mount-&gt;vnodes.Insert(mount-&gt;vnodes.GetNext(vnode), &amp;marker);</td></tr>
7836<tr><td class="num" id="LN7726">7726</td><td class="line"> marker.SetRemoved(<span class='keyword'>false</span>);</td></tr>
7837<tr><td class="num" id="LN7727">7727</td><td class="line"> }</td></tr>
7838<tr><td class="num" id="LN7728">7728</td><td class="line"> </td></tr>
7839<tr><td class="num" id="LN7729">7729</td><td class="line"> recursive_lock_unlock(&amp;mount-&gt;rlock);</td></tr>
7840<tr><td class="num" id="LN7730">7730</td><td class="line"> </td></tr>
7841<tr><td class="num" id="LN7731">7731</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7842<tr><td class="num" id="LN7732">7732</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
7843<tr><td class="num" id="LN7733">7733</td><td class="line"> </td></tr>
7844<tr><td class="num" id="LN7734">7734</td><td class="line"> vnode = lookup_vnode(mount-&gt;id, vnode-&gt;id);</td></tr>
7845<tr><td class="num" id="LN7735">7735</td><td class="line"> <span class='keyword'>if</span> (vnode == <span class='macro'>NULL<span class='expansion'>__null</span></span> || vnode-&gt;IsBusy())</td></tr>
7846<tr><td class="num" id="LN7736">7736</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
7847<tr><td class="num" id="LN7737">7737</td><td class="line"> </td></tr>
7848<tr><td class="num" id="LN7738">7738</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;ref_count == 0) {</td></tr>
7849<tr><td class="num" id="LN7739">7739</td><td class="line"> <span class='comment'>// this vnode has been unused before</span></td></tr>
7850<tr><td class="num" id="LN7740">7740</td><td class="line"> vnode_used(vnode);</td></tr>
7851<tr><td class="num" id="LN7741">7741</td><td class="line"> }</td></tr>
7852<tr><td class="num" id="LN7742">7742</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
7853<tr><td class="num" id="LN7743">7743</td><td class="line"> </td></tr>
7854<tr><td class="num" id="LN7744">7744</td><td class="line"> locker.Unlock();</td></tr>
7855<tr><td class="num" id="LN7745">7745</td><td class="line"> </td></tr>
7856<tr><td class="num" id="LN7746">7746</td><td class="line"> <span class='keyword'>if</span> (vnode-&gt;cache != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; !vnode-&gt;IsRemoved())</td></tr>
7857<tr><td class="num" id="LN7747">7747</td><td class="line"> vnode-&gt;cache-&gt;WriteModified();</td></tr>
7858<tr><td class="num" id="LN7748">7748</td><td class="line"> </td></tr>
7859<tr><td class="num" id="LN7749">7749</td><td class="line"> put_vnode(vnode);</td></tr>
7860<tr><td class="num" id="LN7750">7750</td><td class="line"> }</td></tr>
7861<tr><td class="num" id="LN7751">7751</td><td class="line"> </td></tr>
7862<tr><td class="num" id="LN7752">7752</td><td class="line"> <span class='comment'>// And then, let the file systems do their synchronizing work</span></td></tr>
7863<tr><td class="num" id="LN7753">7753</td><td class="line"> </td></tr>
7864<tr><td class="num" id="LN7754">7754</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, sync)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;sync != __null)</span></span>)</td></tr>
7865<tr><td class="num" id="LN7755">7755</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL_NO_PARAMS(mount, sync)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;sync != __null) ? mount-&gt;volume<br>-&gt;ops-&gt;sync(mount-&gt;volume) : (panic("FS_MOUNT_CALL_NO_PARAMS op "<br> "sync" " is NULL"), 0))</span></span>;</td></tr>
7866<tr><td class="num" id="LN7756">7756</td><td class="line"> </td></tr>
7867<tr><td class="num" id="LN7757">7757</td><td class="line"> put_mount(mount);</td></tr>
7868<tr><td class="num" id="LN7758">7758</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7869<tr><td class="num" id="LN7759">7759</td><td class="line">}</td></tr>
7870<tr><td class="num" id="LN7760">7760</td><td class="line"> </td></tr>
7871<tr><td class="num" id="LN7761">7761</td><td class="line"> </td></tr>
7872<tr><td class="num" id="LN7762">7762</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7873<tr><td class="num" id="LN7763">7763</td><td class="line">fs_read_info(dev_t device, <span class='keyword'>struct</span> fs_info* info)</td></tr>
7874<tr><td class="num" id="LN7764">7764</td><td class="line">{</td></tr>
7875<tr><td class="num" id="LN7765">7765</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7876<tr><td class="num" id="LN7766">7766</td><td class="line"> status_t status = get_mount(device, &amp;mount);</td></tr>
7877<tr><td class="num" id="LN7767">7767</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7878<tr><td class="num" id="LN7768">7768</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7879<tr><td class="num" id="LN7769">7769</td><td class="line"> </td></tr>
7880<tr><td class="num" id="LN7770">7770</td><td class="line"> memset(info, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> fs_info));</td></tr>
7881<tr><td class="num" id="LN7771">7771</td><td class="line"> </td></tr>
7882<tr><td class="num" id="LN7772">7772</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, read_fs_info)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;read_fs_info != __null)</span></span>)</td></tr>
7883<tr><td class="num" id="LN7773">7773</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, read_fs_info, info)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;read_fs_info != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;read_fs_info(mount-&gt;volume, info) :<br> (panic("FS_MOUNT_CALL op " "read_fs_info" " is NULL"), 0))</span></span>;</td></tr>
7884<tr><td class="num" id="LN7774">7774</td><td class="line"> </td></tr>
7885<tr><td class="num" id="LN7775">7775</td><td class="line"> <span class='comment'>// fill in info the file system doesn't (have to) know about</span></td></tr>
7886<tr><td class="num" id="LN7776">7776</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
7887<tr><td class="num" id="LN7777">7777</td><td class="line"> info-&gt;dev = mount-&gt;id;</td></tr>
7888<tr><td class="num" id="LN7778">7778</td><td class="line"> info-&gt;root = mount-&gt;root_vnode-&gt;id;</td></tr>
7889<tr><td class="num" id="LN7779">7779</td><td class="line"> </td></tr>
7890<tr><td class="num" id="LN7780">7780</td><td class="line"> fs_volume* volume = mount-&gt;volume;</td></tr>
7891<tr><td class="num" id="LN7781">7781</td><td class="line"> <span class='keyword'>while</span> (volume-&gt;super_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7892<tr><td class="num" id="LN7782">7782</td><td class="line"> volume = volume-&gt;super_volume;</td></tr>
7893<tr><td class="num" id="LN7783">7783</td><td class="line"> </td></tr>
7894<tr><td class="num" id="LN7784">7784</td><td class="line"> strlcpy(info-&gt;fsh_name, volume-&gt;file_system_name,</td></tr>
7895<tr><td class="num" id="LN7785">7785</td><td class="line"> <span class='keyword'>sizeof</span>(info-&gt;fsh_name));</td></tr>
7896<tr><td class="num" id="LN7786">7786</td><td class="line"> <span class='keyword'>if</span> (mount-&gt;device_name != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
7897<tr><td class="num" id="LN7787">7787</td><td class="line"> strlcpy(info-&gt;device_name, mount-&gt;device_name,</td></tr>
7898<tr><td class="num" id="LN7788">7788</td><td class="line"> <span class='keyword'>sizeof</span>(info-&gt;device_name));</td></tr>
7899<tr><td class="num" id="LN7789">7789</td><td class="line"> }</td></tr>
7900<tr><td class="num" id="LN7790">7790</td><td class="line"> }</td></tr>
7901<tr><td class="num" id="LN7791">7791</td><td class="line"> </td></tr>
7902<tr><td class="num" id="LN7792">7792</td><td class="line"> <span class='comment'>// if the call is not supported by the file system, there are still</span></td></tr>
7903<tr><td class="num" id="LN7793">7793</td><td class="line"> <span class='comment'>// the parts that we filled out ourselves</span></td></tr>
7904<tr><td class="num" id="LN7794">7794</td><td class="line"> </td></tr>
7905<tr><td class="num" id="LN7795">7795</td><td class="line"> put_mount(mount);</td></tr>
7906<tr><td class="num" id="LN7796">7796</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7907<tr><td class="num" id="LN7797">7797</td><td class="line">}</td></tr>
7908<tr><td class="num" id="LN7798">7798</td><td class="line"> </td></tr>
7909<tr><td class="num" id="LN7799">7799</td><td class="line"> </td></tr>
7910<tr><td class="num" id="LN7800">7800</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7911<tr><td class="num" id="LN7801">7801</td><td class="line">fs_write_info(dev_t device, <span class='keyword'>const</span> <span class='keyword'>struct</span> fs_info* info, <span class='keyword'>int</span> mask)</td></tr>
7912<tr><td class="num" id="LN7802">7802</td><td class="line">{</td></tr>
7913<tr><td class="num" id="LN7803">7803</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount;</td></tr>
7914<tr><td class="num" id="LN7804">7804</td><td class="line"> status_t status = get_mount(device, &amp;mount);</td></tr>
7915<tr><td class="num" id="LN7805">7805</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
7916<tr><td class="num" id="LN7806">7806</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7917<tr><td class="num" id="LN7807">7807</td><td class="line"> </td></tr>
7918<tr><td class="num" id="LN7808">7808</td><td class="line"> <span class='keyword'>if</span> (<span class='macro'>HAS_FS_MOUNT_CALL(mount, write_fs_info)<span class='expansion'>(mount-&gt;volume-&gt;ops-&gt;write_fs_info != __null)</span></span>)</td></tr>
7919<tr><td class="num" id="LN7809">7809</td><td class="line"> status = <span class='macro'>FS_MOUNT_CALL(mount, write_fs_info, info, mask)<span class='expansion'>( (mount-&gt;volume-&gt;ops-&gt;write_fs_info != __null) ? mount<br>-&gt;volume-&gt;ops-&gt;write_fs_info(mount-&gt;volume, info,<br> mask) : (panic("FS_MOUNT_CALL op " "write_fs_info" " is NULL"<br>), 0))</span></span>;</td></tr>
7920<tr><td class="num" id="LN7810">7810</td><td class="line"> <span class='keyword'>else</span></td></tr>
7921<tr><td class="num" id="LN7811">7811</td><td class="line"> status = <span class='macro'>B_READ_ONLY_DEVICE<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 8)</span></span>;</td></tr>
7922<tr><td class="num" id="LN7812">7812</td><td class="line"> </td></tr>
7923<tr><td class="num" id="LN7813">7813</td><td class="line"> put_mount(mount);</td></tr>
7924<tr><td class="num" id="LN7814">7814</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
7925<tr><td class="num" id="LN7815">7815</td><td class="line">}</td></tr>
7926<tr><td class="num" id="LN7816">7816</td><td class="line"> </td></tr>
7927<tr><td class="num" id="LN7817">7817</td><td class="line"> </td></tr>
7928<tr><td class="num" id="LN7818">7818</td><td class="line"><span class='keyword'>static</span> dev_t</td></tr>
7929<tr><td class="num" id="LN7819">7819</td><td class="line">fs_next_device(int32* _cookie)</td></tr>
7930<tr><td class="num" id="LN7820">7820</td><td class="line">{</td></tr>
7931<tr><td class="num" id="LN7821">7821</td><td class="line"> <span class='keyword'>struct</span> fs_mount* mount = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
7932<tr><td class="num" id="LN7822">7822</td><td class="line"> dev_t device = *_cookie;</td></tr>
7933<tr><td class="num" id="LN7823">7823</td><td class="line"> </td></tr>
7934<tr><td class="num" id="LN7824">7824</td><td class="line"> mutex_lock(&amp;sMountMutex);</td></tr>
7935<tr><td class="num" id="LN7825">7825</td><td class="line"> </td></tr>
7936<tr><td class="num" id="LN7826">7826</td><td class="line"> <span class='comment'>// Since device IDs are assigned sequentially, this algorithm</span></td></tr>
7937<tr><td class="num" id="LN7827">7827</td><td class="line"> <span class='comment'>// does work good enough. It makes sure that the device list</span></td></tr>
7938<tr><td class="num" id="LN7828">7828</td><td class="line"> <span class='comment'>// returned is sorted, and that no device is skipped when an</span></td></tr>
7939<tr><td class="num" id="LN7829">7829</td><td class="line"> <span class='comment'>// already visited device got unmounted.</span></td></tr>
7940<tr><td class="num" id="LN7830">7830</td><td class="line"> </td></tr>
7941<tr><td class="num" id="LN7831">7831</td><td class="line"> <span class='keyword'>while</span> (device &lt; sNextMountID) {</td></tr>
7942<tr><td class="num" id="LN7832">7832</td><td class="line"> mount = find_mount(device++);</td></tr>
7943<tr><td class="num" id="LN7833">7833</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; mount-&gt;volume-&gt;private_volume != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7944<tr><td class="num" id="LN7834">7834</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
7945<tr><td class="num" id="LN7835">7835</td><td class="line"> }</td></tr>
7946<tr><td class="num" id="LN7836">7836</td><td class="line"> </td></tr>
7947<tr><td class="num" id="LN7837">7837</td><td class="line"> *_cookie = device;</td></tr>
7948<tr><td class="num" id="LN7838">7838</td><td class="line"> </td></tr>
7949<tr><td class="num" id="LN7839">7839</td><td class="line"> <span class='keyword'>if</span> (mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
7950<tr><td class="num" id="LN7840">7840</td><td class="line"> device = mount-&gt;id;</td></tr>
7951<tr><td class="num" id="LN7841">7841</td><td class="line"> <span class='keyword'>else</span></td></tr>
7952<tr><td class="num" id="LN7842">7842</td><td class="line"> device = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
7953<tr><td class="num" id="LN7843">7843</td><td class="line"> </td></tr>
7954<tr><td class="num" id="LN7844">7844</td><td class="line"> mutex_unlock(&amp;sMountMutex);</td></tr>
7955<tr><td class="num" id="LN7845">7845</td><td class="line"> </td></tr>
7956<tr><td class="num" id="LN7846">7846</td><td class="line"> <span class='keyword'>return</span> device;</td></tr>
7957<tr><td class="num" id="LN7847">7847</td><td class="line">}</td></tr>
7958<tr><td class="num" id="LN7848">7848</td><td class="line"> </td></tr>
7959<tr><td class="num" id="LN7849">7849</td><td class="line"> </td></tr>
7960<tr><td class="num" id="LN7850">7850</td><td class="line">ssize_t</td></tr>
7961<tr><td class="num" id="LN7851">7851</td><td class="line">fs_read_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span> *attribute, uint32 type, off_t pos,</td></tr>
7962<tr><td class="num" id="LN7852">7852</td><td class="line"> <span class='keyword'>void</span> *buffer, size_t readBytes)</td></tr>
7963<tr><td class="num" id="LN7853">7853</td><td class="line">{</td></tr>
7964<tr><td class="num" id="LN7854">7854</td><td class="line"> <span class='keyword'>int</span> attrFD = attr_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>true</span>);</td></tr>
7965<tr><td class="num" id="LN7855">7855</td><td class="line"> <span class='keyword'>if</span> (attrFD &lt; 0)</td></tr>
7966<tr><td class="num" id="LN7856">7856</td><td class="line"> <span class='keyword'>return</span> attrFD;</td></tr>
7967<tr><td class="num" id="LN7857">7857</td><td class="line"> </td></tr>
7968<tr><td class="num" id="LN7858">7858</td><td class="line"> ssize_t bytesRead = _kern_read(attrFD, pos, buffer, readBytes);</td></tr>
7969<tr><td class="num" id="LN7859">7859</td><td class="line"> </td></tr>
7970<tr><td class="num" id="LN7860">7860</td><td class="line"> _kern_close(attrFD);</td></tr>
7971<tr><td class="num" id="LN7861">7861</td><td class="line"> </td></tr>
7972<tr><td class="num" id="LN7862">7862</td><td class="line"> <span class='keyword'>return</span> bytesRead;</td></tr>
7973<tr><td class="num" id="LN7863">7863</td><td class="line">}</td></tr>
7974<tr><td class="num" id="LN7864">7864</td><td class="line"> </td></tr>
7975<tr><td class="num" id="LN7865">7865</td><td class="line"> </td></tr>
7976<tr><td class="num" id="LN7866">7866</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
7977<tr><td class="num" id="LN7867">7867</td><td class="line">get_cwd(<span class='keyword'>char</span>* buffer, size_t size, <span class='keyword'>bool</span> kernel)</td></tr>
7978<tr><td class="num" id="LN7868">7868</td><td class="line">{</td></tr>
7979<tr><td class="num" id="LN7869">7869</td><td class="line"> <span class='comment'>// Get current working directory from io context</span></td></tr>
7980<tr><td class="num" id="LN7870">7870</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(kernel);</td></tr>
7981<tr><td class="num" id="LN7871">7871</td><td class="line"> status_t status;</td></tr>
7982<tr><td class="num" id="LN7872">7872</td><td class="line"> </td></tr>
7983<tr><td class="num" id="LN7873">7873</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"vfs_get_cwd: buf %p, size %ld\n"</span>, buffer, size))<span class='expansion'>;</span></span>;</td></tr>
7984<tr><td class="num" id="LN7874">7874</td><td class="line"> </td></tr>
7985<tr><td class="num" id="LN7875">7875</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
7986<tr><td class="num" id="LN7876">7876</td><td class="line"> </td></tr>
7987<tr><td class="num" id="LN7877">7877</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = context-&gt;cwd;</td></tr>
7988<tr><td class="num" id="LN7878">7878</td><td class="line"> <span class='keyword'>if</span> (vnode)</td></tr>
7989<tr><td class="num" id="LN7879">7879</td><td class="line"> inc_vnode_ref_count(vnode);</td></tr>
7990<tr><td class="num" id="LN7880">7880</td><td class="line"> </td></tr>
7991<tr><td class="num" id="LN7881">7881</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
7992<tr><td class="num" id="LN7882">7882</td><td class="line"> </td></tr>
7993<tr><td class="num" id="LN7883">7883</td><td class="line"> <span class='keyword'>if</span> (vnode) {</td></tr>
7994<tr><td class="num" id="LN7884">7884</td><td class="line"> status = dir_vnode_to_path(vnode, buffer, size, kernel);</td></tr>
7995<tr><td class="num" id="LN7885">7885</td><td class="line"> put_vnode(vnode);</td></tr>
7996<tr><td class="num" id="LN7886">7886</td><td class="line"> } <span class='keyword'>else</span></td></tr>
7997<tr><td class="num" id="LN7887">7887</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
7998<tr><td class="num" id="LN7888">7888</td><td class="line"> </td></tr>
7999<tr><td class="num" id="LN7889">7889</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8000<tr><td class="num" id="LN7890">7890</td><td class="line">}</td></tr>
8001<tr><td class="num" id="LN7891">7891</td><td class="line"> </td></tr>
8002<tr><td class="num" id="LN7892">7892</td><td class="line"> </td></tr>
8003<tr><td class="num" id="LN7893">7893</td><td class="line"><span class='keyword'>static</span> status_t</td></tr>
8004<tr><td class="num" id="LN7894">7894</td><td class="line">set_cwd(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> kernel)</td></tr>
8005<tr><td class="num" id="LN7895">7895</td><td class="line">{</td></tr>
8006<tr><td class="num" id="LN7896">7896</td><td class="line"> <span class='keyword'>struct</span> io_context* context;</td></tr>
8007<tr><td class="num" id="LN7897">7897</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
8008<tr><td class="num" id="LN7898">7898</td><td class="line"> <span class='keyword'>struct</span> vnode* oldDirectory;</td></tr>
8009<tr><td class="num" id="LN7899">7899</td><td class="line"> status_t status;</td></tr>
8010<tr><td class="num" id="LN7900">7900</td><td class="line"> </td></tr>
8011<tr><td class="num" id="LN7901">7901</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"set_cwd: path = \'%s\'\n"</span>, path))<span class='expansion'>;</span></span>;</td></tr>
8012<tr><td class="num" id="LN7902">7902</td><td class="line"> </td></tr>
8013<tr><td class="num" id="LN7903">7903</td><td class="line"> <span class='comment'>// Get vnode for passed path, and bail if it failed</span></td></tr>
8014<tr><td class="num" id="LN7904">7904</td><td class="line"> status = fd_and_path_to_vnode(fd, path, <span class='keyword'>true</span>, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, kernel);</td></tr>
8015<tr><td class="num" id="LN7905">7905</td><td class="line"> <span class='keyword'>if</span> (status &lt; 0)</td></tr>
8016<tr><td class="num" id="LN7906">7906</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8017<tr><td class="num" id="LN7907">7907</td><td class="line"> </td></tr>
8018<tr><td class="num" id="LN7908">7908</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>S_ISDIR(vnode-&gt;Type())<span class='expansion'>(((vnode-&gt;Type()) &amp; 00000170000) == 00000040000)</span></span>) {</td></tr>
8019<tr><td class="num" id="LN7909">7909</td><td class="line"> <span class='comment'>// nope, can't cwd to here</span></td></tr>
8020<tr><td class="num" id="LN7910">7910</td><td class="line"> status = <span class='macro'>B_NOT_A_DIRECTORY<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 5)</span></span>;</td></tr>
8021<tr><td class="num" id="LN7911">7911</td><td class="line"> <span class='keyword'>goto</span> err;</td></tr>
8022<tr><td class="num" id="LN7912">7912</td><td class="line"> }</td></tr>
8023<tr><td class="num" id="LN7913">7913</td><td class="line"> </td></tr>
8024<tr><td class="num" id="LN7914">7914</td><td class="line"> <span class='comment'>// Get current io context and lock</span></td></tr>
8025<tr><td class="num" id="LN7915">7915</td><td class="line"> context = get_current_io_context(kernel);</td></tr>
8026<tr><td class="num" id="LN7916">7916</td><td class="line"> mutex_lock(&amp;context-&gt;io_mutex);</td></tr>
8027<tr><td class="num" id="LN7917">7917</td><td class="line"> </td></tr>
8028<tr><td class="num" id="LN7918">7918</td><td class="line"> <span class='comment'>// save the old current working directory first</span></td></tr>
8029<tr><td class="num" id="LN7919">7919</td><td class="line"> oldDirectory = context-&gt;cwd;</td></tr>
8030<tr><td class="num" id="LN7920">7920</td><td class="line"> context-&gt;cwd = vnode;</td></tr>
8031<tr><td class="num" id="LN7921">7921</td><td class="line"> </td></tr>
8032<tr><td class="num" id="LN7922">7922</td><td class="line"> mutex_unlock(&amp;context-&gt;io_mutex);</td></tr>
8033<tr><td class="num" id="LN7923">7923</td><td class="line"> </td></tr>
8034<tr><td class="num" id="LN7924">7924</td><td class="line"> <span class='keyword'>if</span> (oldDirectory)</td></tr>
8035<tr><td class="num" id="LN7925">7925</td><td class="line"> put_vnode(oldDirectory);</td></tr>
8036<tr><td class="num" id="LN7926">7926</td><td class="line"> </td></tr>
8037<tr><td class="num" id="LN7927">7927</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_ERROR<span class='expansion'>((int)0)</span></span>;</td></tr>
8038<tr><td class="num" id="LN7928">7928</td><td class="line"> </td></tr>
8039<tr><td class="num" id="LN7929">7929</td><td class="line">err:</td></tr>
8040<tr><td class="num" id="LN7930">7930</td><td class="line"> put_vnode(vnode);</td></tr>
8041<tr><td class="num" id="LN7931">7931</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8042<tr><td class="num" id="LN7932">7932</td><td class="line">}</td></tr>
8043<tr><td class="num" id="LN7933">7933</td><td class="line"> </td></tr>
8044<tr><td class="num" id="LN7934">7934</td><td class="line"> </td></tr>
8045<tr><td class="num" id="LN7935">7935</td><td class="line"><span class='comment'>// #pragma mark - kernel mirrored syscalls</span></td></tr>
8046<tr><td class="num" id="LN7936">7936</td><td class="line"> </td></tr>
8047<tr><td class="num" id="LN7937">7937</td><td class="line"> </td></tr>
8048<tr><td class="num" id="LN7938">7938</td><td class="line">dev_t</td></tr>
8049<tr><td class="num" id="LN7939">7939</td><td class="line">_kern_mount(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* device, <span class='keyword'>const</span> <span class='keyword'>char</span>* fsName,</td></tr>
8050<tr><td class="num" id="LN7940">7940</td><td class="line"> uint32 flags, <span class='keyword'>const</span> <span class='keyword'>char</span>* args, size_t argsLength)</td></tr>
8051<tr><td class="num" id="LN7941">7941</td><td class="line">{</td></tr>
8052<tr><td class="num" id="LN7942">7942</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8053<tr><td class="num" id="LN7943">7943</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8054<tr><td class="num" id="LN7944">7944</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8055<tr><td class="num" id="LN7945">7945</td><td class="line"> </td></tr>
8056<tr><td class="num" id="LN7946">7946</td><td class="line"> <span class='keyword'>return</span> fs_mount(pathBuffer.LockBuffer(), device, fsName, flags, args, <span class='keyword'>true</span>);</td></tr>
8057<tr><td class="num" id="LN7947">7947</td><td class="line">}</td></tr>
8058<tr><td class="num" id="LN7948">7948</td><td class="line"> </td></tr>
8059<tr><td class="num" id="LN7949">7949</td><td class="line"> </td></tr>
8060<tr><td class="num" id="LN7950">7950</td><td class="line">status_t</td></tr>
8061<tr><td class="num" id="LN7951">7951</td><td class="line">_kern_unmount(<span class='keyword'>const</span> <span class='keyword'>char</span>* path, uint32 flags)</td></tr>
8062<tr><td class="num" id="LN7952">7952</td><td class="line">{</td></tr>
8063<tr><td class="num" id="LN7953">7953</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8064<tr><td class="num" id="LN7954">7954</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8065<tr><td class="num" id="LN7955">7955</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8066<tr><td class="num" id="LN7956">7956</td><td class="line"> </td></tr>
8067<tr><td class="num" id="LN7957">7957</td><td class="line"> <span class='keyword'>return</span> fs_unmount(pathBuffer.LockBuffer(), -1, flags, <span class='keyword'>true</span>);</td></tr>
8068<tr><td class="num" id="LN7958">7958</td><td class="line">}</td></tr>
8069<tr><td class="num" id="LN7959">7959</td><td class="line"> </td></tr>
8070<tr><td class="num" id="LN7960">7960</td><td class="line"> </td></tr>
8071<tr><td class="num" id="LN7961">7961</td><td class="line">status_t</td></tr>
8072<tr><td class="num" id="LN7962">7962</td><td class="line">_kern_read_fs_info(dev_t device, <span class='keyword'>struct</span> fs_info* info)</td></tr>
8073<tr><td class="num" id="LN7963">7963</td><td class="line">{</td></tr>
8074<tr><td class="num" id="LN7964">7964</td><td class="line"> <span class='keyword'>if</span> (info == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8075<tr><td class="num" id="LN7965">7965</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8076<tr><td class="num" id="LN7966">7966</td><td class="line"> </td></tr>
8077<tr><td class="num" id="LN7967">7967</td><td class="line"> <span class='keyword'>return</span> fs_read_info(device, info);</td></tr>
8078<tr><td class="num" id="LN7968">7968</td><td class="line">}</td></tr>
8079<tr><td class="num" id="LN7969">7969</td><td class="line"> </td></tr>
8080<tr><td class="num" id="LN7970">7970</td><td class="line"> </td></tr>
8081<tr><td class="num" id="LN7971">7971</td><td class="line">status_t</td></tr>
8082<tr><td class="num" id="LN7972">7972</td><td class="line">_kern_write_fs_info(dev_t device, <span class='keyword'>const</span> <span class='keyword'>struct</span> fs_info* info, <span class='keyword'>int</span> mask)</td></tr>
8083<tr><td class="num" id="LN7973">7973</td><td class="line">{</td></tr>
8084<tr><td class="num" id="LN7974">7974</td><td class="line"> <span class='keyword'>if</span> (info == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8085<tr><td class="num" id="LN7975">7975</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8086<tr><td class="num" id="LN7976">7976</td><td class="line"> </td></tr>
8087<tr><td class="num" id="LN7977">7977</td><td class="line"> <span class='keyword'>return</span> fs_write_info(device, info, mask);</td></tr>
8088<tr><td class="num" id="LN7978">7978</td><td class="line">}</td></tr>
8089<tr><td class="num" id="LN7979">7979</td><td class="line"> </td></tr>
8090<tr><td class="num" id="LN7980">7980</td><td class="line"> </td></tr>
8091<tr><td class="num" id="LN7981">7981</td><td class="line">status_t</td></tr>
8092<tr><td class="num" id="LN7982">7982</td><td class="line">_kern_sync(<span class='keyword'>void</span>)</td></tr>
8093<tr><td class="num" id="LN7983">7983</td><td class="line">{</td></tr>
8094<tr><td class="num" id="LN7984">7984</td><td class="line"> <span class='comment'>// Note: _kern_sync() is also called from _user_sync()</span></td></tr>
8095<tr><td class="num" id="LN7985">7985</td><td class="line"> int32 cookie = 0;</td></tr>
8096<tr><td class="num" id="LN7986">7986</td><td class="line"> dev_t device;</td></tr>
8097<tr><td class="num" id="LN7987">7987</td><td class="line"> <span class='keyword'>while</span> ((device = next_dev(&amp;cookie)) &gt;= 0) {</td></tr>
8098<tr><td class="num" id="LN7988">7988</td><td class="line"> status_t status = fs_sync(device);</td></tr>
8099<tr><td class="num" id="LN7989">7989</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; status != <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>) {</td></tr>
8100<tr><td class="num" id="LN7990">7990</td><td class="line"> dprintf(<span class='string_literal'>"sync: device %"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>" couldn't sync: %s\n"</span>, device,</td></tr>
8101<tr><td class="num" id="LN7991">7991</td><td class="line"> strerror(status));</td></tr>
8102<tr><td class="num" id="LN7992">7992</td><td class="line"> }</td></tr>
8103<tr><td class="num" id="LN7993">7993</td><td class="line"> }</td></tr>
8104<tr><td class="num" id="LN7994">7994</td><td class="line"> </td></tr>
8105<tr><td class="num" id="LN7995">7995</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
8106<tr><td class="num" id="LN7996">7996</td><td class="line">}</td></tr>
8107<tr><td class="num" id="LN7997">7997</td><td class="line"> </td></tr>
8108<tr><td class="num" id="LN7998">7998</td><td class="line"> </td></tr>
8109<tr><td class="num" id="LN7999">7999</td><td class="line">dev_t</td></tr>
8110<tr><td class="num" id="LN8000">8000</td><td class="line">_kern_next_device(int32* _cookie)</td></tr>
8111<tr><td class="num" id="LN8001">8001</td><td class="line">{</td></tr>
8112<tr><td class="num" id="LN8002">8002</td><td class="line"> <span class='keyword'>return</span> fs_next_device(_cookie);</td></tr>
8113<tr><td class="num" id="LN8003">8003</td><td class="line">}</td></tr>
8114<tr><td class="num" id="LN8004">8004</td><td class="line"> </td></tr>
8115<tr><td class="num" id="LN8005">8005</td><td class="line"> </td></tr>
8116<tr><td class="num" id="LN8006">8006</td><td class="line">status_t</td></tr>
8117<tr><td class="num" id="LN8007">8007</td><td class="line">_kern_get_next_fd_info(team_id teamID, uint32* _cookie, fd_info* info,</td></tr>
8118<tr><td class="num" id="LN8008">8008</td><td class="line"> size_t infoSize)</td></tr>
8119<tr><td class="num" id="LN8009">8009</td><td class="line">{</td></tr>
8120<tr><td class="num" id="LN8010">8010</td><td class="line"> <span class='keyword'>if</span> (infoSize != <span class='keyword'>sizeof</span>(fd_info))</td></tr>
8121<tr><td class="num" id="LN8011">8011</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8122<tr><td class="num" id="LN8012">8012</td><td class="line"> </td></tr>
8123<tr><td class="num" id="LN8013">8013</td><td class="line"> <span class='comment'>// get the team</span></td></tr>
8124<tr><td class="num" id="LN8014">8014</td><td class="line"> Team* team = Team::Get(teamID);</td></tr>
8125<tr><td class="num" id="LN8015">8015</td><td class="line"> <span class='keyword'>if</span> (team == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8126<tr><td class="num" id="LN8016">8016</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_TEAM_ID<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x103)</span></span>;</td></tr>
8127<tr><td class="num" id="LN8017">8017</td><td class="line"> BReference&lt;Team&gt; teamReference(team, <span class='keyword'>true</span>);</td></tr>
8128<tr><td class="num" id="LN8018">8018</td><td class="line"> </td></tr>
8129<tr><td class="num" id="LN8019">8019</td><td class="line"> <span class='comment'>// now that we have a team reference, its I/O context won't go away</span></td></tr>
8130<tr><td class="num" id="LN8020">8020</td><td class="line"> io_context* context = team-&gt;io_context;</td></tr>
8131<tr><td class="num" id="LN8021">8021</td><td class="line"> MutexLocker contextLocker(context-&gt;io_mutex);</td></tr>
8132<tr><td class="num" id="LN8022">8022</td><td class="line"> </td></tr>
8133<tr><td class="num" id="LN8023">8023</td><td class="line"> uint32 slot = *_cookie;</td></tr>
8134<tr><td class="num" id="LN8024">8024</td><td class="line"> </td></tr>
8135<tr><td class="num" id="LN8025">8025</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
8136<tr><td class="num" id="LN8026">8026</td><td class="line"> <span class='keyword'>while</span> (slot &lt; context-&gt;table_size</td></tr>
8137<tr><td class="num" id="LN8027">8027</td><td class="line"> &amp;&amp; (descriptor = context-&gt;fds[slot]) == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
8138<tr><td class="num" id="LN8028">8028</td><td class="line"> slot++;</td></tr>
8139<tr><td class="num" id="LN8029">8029</td><td class="line"> }</td></tr>
8140<tr><td class="num" id="LN8030">8030</td><td class="line"> </td></tr>
8141<tr><td class="num" id="LN8031">8031</td><td class="line"> <span class='keyword'>if</span> (slot &gt;= context-&gt;table_size)</td></tr>
8142<tr><td class="num" id="LN8032">8032</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
8143<tr><td class="num" id="LN8033">8033</td><td class="line"> </td></tr>
8144<tr><td class="num" id="LN8034">8034</td><td class="line"> info-&gt;number = slot;</td></tr>
8145<tr><td class="num" id="LN8035">8035</td><td class="line"> info-&gt;open_mode = descriptor-&gt;open_mode;</td></tr>
8146<tr><td class="num" id="LN8036">8036</td><td class="line"> </td></tr>
8147<tr><td class="num" id="LN8037">8037</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode = fd_vnode(descriptor);</td></tr>
8148<tr><td class="num" id="LN8038">8038</td><td class="line"> <span class='keyword'>if</span> (vnode != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
8149<tr><td class="num" id="LN8039">8039</td><td class="line"> info-&gt;device = vnode-&gt;device;</td></tr>
8150<tr><td class="num" id="LN8040">8040</td><td class="line"> info-&gt;node = vnode-&gt;id;</td></tr>
8151<tr><td class="num" id="LN8041">8041</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (descriptor-&gt;u.mount != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
8152<tr><td class="num" id="LN8042">8042</td><td class="line"> info-&gt;device = descriptor-&gt;u.mount-&gt;id;</td></tr>
8153<tr><td class="num" id="LN8043">8043</td><td class="line"> info-&gt;node = -1;</td></tr>
8154<tr><td class="num" id="LN8044">8044</td><td class="line"> }</td></tr>
8155<tr><td class="num" id="LN8045">8045</td><td class="line"> </td></tr>
8156<tr><td class="num" id="LN8046">8046</td><td class="line"> *_cookie = slot + 1;</td></tr>
8157<tr><td class="num" id="LN8047">8047</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
8158<tr><td class="num" id="LN8048">8048</td><td class="line">}</td></tr>
8159<tr><td class="num" id="LN8049">8049</td><td class="line"> </td></tr>
8160<tr><td class="num" id="LN8050">8050</td><td class="line"> </td></tr>
8161<tr><td class="num" id="LN8051">8051</td><td class="line"><span class='keyword'>int</span></td></tr>
8162<tr><td class="num" id="LN8052">8052</td><td class="line">_kern_open_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>int</span> openMode,</td></tr>
8163<tr><td class="num" id="LN8053">8053</td><td class="line"> <span class='keyword'>int</span> perms)</td></tr>
8164<tr><td class="num" id="LN8054">8054</td><td class="line">{</td></tr>
8165<tr><td class="num" id="LN8055">8055</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
8166<tr><td class="num" id="LN8056">8056</td><td class="line"> <span class='keyword'>return</span> file_create_entry_ref(device, inode, name, openMode, perms,</td></tr>
8167<tr><td class="num" id="LN8057">8057</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
8168<tr><td class="num" id="LN8058">8058</td><td class="line"> }</td></tr>
8169<tr><td class="num" id="LN8059">8059</td><td class="line"> </td></tr>
8170<tr><td class="num" id="LN8060">8060</td><td class="line"> <span class='keyword'>return</span> file_open_entry_ref(device, inode, name, openMode, <span class='keyword'>true</span>);</td></tr>
8171<tr><td class="num" id="LN8061">8061</td><td class="line">}</td></tr>
8172<tr><td class="num" id="LN8062">8062</td><td class="line"> </td></tr>
8173<tr><td class="num" id="LN8063">8063</td><td class="line"> </td></tr>
8174<tr><td class="num" id="LN8064">8064</td><td class="line"><span class='comment'>/*! \brief Opens a node specified by a FD + path pair.</span></td></tr>
8175<tr><td class="num" id="LN8065">8065</td><td class="line"> </td></tr>
8176<tr><td class="num" id="LN8066">8066</td><td class="line"> <span class='comment'>At least one of \a fd and \a path must be specified.</span></td></tr>
8177<tr><td class="num" id="LN8067">8067</td><td class="line"> <span class='comment'>If only \a fd is given, the function opens the node identified by this</span></td></tr>
8178<tr><td class="num" id="LN8068">8068</td><td class="line"> <span class='comment'>FD. If only a path is given, this path is opened. If both are given and</span></td></tr>
8179<tr><td class="num" id="LN8069">8069</td><td class="line"> <span class='comment'>the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
8180<tr><td class="num" id="LN8070">8070</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
8181<tr><td class="num" id="LN8071">8071</td><td class="line"> </td></tr>
8182<tr><td class="num" id="LN8072">8072</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8183<tr><td class="num" id="LN8073">8073</td><td class="line"> <span class='comment'>\param path The absolute or relative path. May be \c NULL.</span></td></tr>
8184<tr><td class="num" id="LN8074">8074</td><td class="line"> <span class='comment'>\param openMode The open mode.</span></td></tr>
8185<tr><td class="num" id="LN8075">8075</td><td class="line"> <span class='comment'>\return A FD referring to the newly opened node, or an error code,</span></td></tr>
8186<tr><td class="num" id="LN8076">8076</td><td class="line"> <span class='comment'>if an error occurs.</span></td></tr>
8187<tr><td class="num" id="LN8077">8077</td><td class="line"><span class='comment'>*/</span></td></tr>
8188<tr><td class="num" id="LN8078">8078</td><td class="line"><span class='keyword'>int</span></td></tr>
8189<tr><td class="num" id="LN8079">8079</td><td class="line">_kern_open(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms)</td></tr>
8190<tr><td class="num" id="LN8080">8080</td><td class="line">{</td></tr>
8191<tr><td class="num" id="LN8081">8081</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8192<tr><td class="num" id="LN8082">8082</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8193<tr><td class="num" id="LN8083">8083</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8194<tr><td class="num" id="LN8084">8084</td><td class="line"> </td></tr>
8195<tr><td class="num" id="LN8085">8085</td><td class="line"> <span class='keyword'>if</span> (openMode &amp; <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>)</td></tr>
8196<tr><td class="num" id="LN8086">8086</td><td class="line"> <span class='keyword'>return</span> file_create(fd, pathBuffer.LockBuffer(), openMode, perms, <span class='keyword'>true</span>);</td></tr>
8197<tr><td class="num" id="LN8087">8087</td><td class="line"> </td></tr>
8198<tr><td class="num" id="LN8088">8088</td><td class="line"> <span class='keyword'>return</span> file_open(fd, pathBuffer.LockBuffer(), openMode, <span class='keyword'>true</span>);</td></tr>
8199<tr><td class="num" id="LN8089">8089</td><td class="line">}</td></tr>
8200<tr><td class="num" id="LN8090">8090</td><td class="line"> </td></tr>
8201<tr><td class="num" id="LN8091">8091</td><td class="line"> </td></tr>
8202<tr><td class="num" id="LN8092">8092</td><td class="line"><span class='comment'>/*! \brief Opens a directory specified by entry_ref or node_ref.</span></td></tr>
8203<tr><td class="num" id="LN8093">8093</td><td class="line"> </td></tr>
8204<tr><td class="num" id="LN8094">8094</td><td class="line"> <span class='comment'>The supplied name may be \c NULL, in which case directory identified</span></td></tr>
8205<tr><td class="num" id="LN8095">8095</td><td class="line"> <span class='comment'>by \a device and \a inode will be opened. Otherwise \a device and</span></td></tr>
8206<tr><td class="num" id="LN8096">8096</td><td class="line"> <span class='comment'>\a inode identify the parent directory of the directory to be opened</span></td></tr>
8207<tr><td class="num" id="LN8097">8097</td><td class="line"> <span class='comment'>and \a name its entry name.</span></td></tr>
8208<tr><td class="num" id="LN8098">8098</td><td class="line"> </td></tr>
8209<tr><td class="num" id="LN8099">8099</td><td class="line"> <span class='comment'>\param device If \a name is specified the ID of the device the parent</span></td></tr>
8210<tr><td class="num" id="LN8100">8100</td><td class="line"> <span class='comment'>directory of the directory to be opened resides on, otherwise</span></td></tr>
8211<tr><td class="num" id="LN8101">8101</td><td class="line"> <span class='comment'>the device of the directory itself.</span></td></tr>
8212<tr><td class="num" id="LN8102">8102</td><td class="line"> <span class='comment'>\param inode If \a name is specified the node ID of the parent</span></td></tr>
8213<tr><td class="num" id="LN8103">8103</td><td class="line"> <span class='comment'>directory of the directory to be opened, otherwise node ID of the</span></td></tr>
8214<tr><td class="num" id="LN8104">8104</td><td class="line"> <span class='comment'>directory itself.</span></td></tr>
8215<tr><td class="num" id="LN8105">8105</td><td class="line"> <span class='comment'>\param name The entry name of the directory to be opened. If \c NULL,</span></td></tr>
8216<tr><td class="num" id="LN8106">8106</td><td class="line"> <span class='comment'>the \a device + \a inode pair identify the node to be opened.</span></td></tr>
8217<tr><td class="num" id="LN8107">8107</td><td class="line"> <span class='comment'>\return The FD of the newly opened directory or an error code, if</span></td></tr>
8218<tr><td class="num" id="LN8108">8108</td><td class="line"> <span class='comment'>something went wrong.</span></td></tr>
8219<tr><td class="num" id="LN8109">8109</td><td class="line"><span class='comment'>*/</span></td></tr>
8220<tr><td class="num" id="LN8110">8110</td><td class="line"><span class='keyword'>int</span></td></tr>
8221<tr><td class="num" id="LN8111">8111</td><td class="line">_kern_open_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
8222<tr><td class="num" id="LN8112">8112</td><td class="line">{</td></tr>
8223<tr><td class="num" id="LN8113">8113</td><td class="line"> <span class='keyword'>return</span> dir_open_entry_ref(device, inode, name, <span class='keyword'>true</span>);</td></tr>
8224<tr><td class="num" id="LN8114">8114</td><td class="line">}</td></tr>
8225<tr><td class="num" id="LN8115">8115</td><td class="line"> </td></tr>
8226<tr><td class="num" id="LN8116">8116</td><td class="line"> </td></tr>
8227<tr><td class="num" id="LN8117">8117</td><td class="line"><span class='comment'>/*! \brief Opens a directory specified by a FD + path pair.</span></td></tr>
8228<tr><td class="num" id="LN8118">8118</td><td class="line"> </td></tr>
8229<tr><td class="num" id="LN8119">8119</td><td class="line"> <span class='comment'>At least one of \a fd and \a path must be specified.</span></td></tr>
8230<tr><td class="num" id="LN8120">8120</td><td class="line"> <span class='comment'>If only \a fd is given, the function opens the directory identified by this</span></td></tr>
8231<tr><td class="num" id="LN8121">8121</td><td class="line"> <span class='comment'>FD. If only a path is given, this path is opened. If both are given and</span></td></tr>
8232<tr><td class="num" id="LN8122">8122</td><td class="line"> <span class='comment'>the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
8233<tr><td class="num" id="LN8123">8123</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
8234<tr><td class="num" id="LN8124">8124</td><td class="line"> </td></tr>
8235<tr><td class="num" id="LN8125">8125</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8236<tr><td class="num" id="LN8126">8126</td><td class="line"> <span class='comment'>\param path The absolute or relative path. May be \c NULL.</span></td></tr>
8237<tr><td class="num" id="LN8127">8127</td><td class="line"> <span class='comment'>\return A FD referring to the newly opened directory, or an error code,</span></td></tr>
8238<tr><td class="num" id="LN8128">8128</td><td class="line"> <span class='comment'>if an error occurs.</span></td></tr>
8239<tr><td class="num" id="LN8129">8129</td><td class="line"><span class='comment'>*/</span></td></tr>
8240<tr><td class="num" id="LN8130">8130</td><td class="line"><span class='keyword'>int</span></td></tr>
8241<tr><td class="num" id="LN8131">8131</td><td class="line">_kern_open_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
8242<tr><td class="num" id="LN8132">8132</td><td class="line">{</td></tr>
8243<tr><td class="num" id="LN8133">8133</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8244<tr><td class="num" id="LN8134">8134</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8245<tr><td class="num" id="LN8135">8135</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8246<tr><td class="num" id="LN8136">8136</td><td class="line"> </td></tr>
8247<tr><td class="num" id="LN8137">8137</td><td class="line"> <span class='keyword'>return</span> dir_open(fd, pathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
8248<tr><td class="num" id="LN8138">8138</td><td class="line">}</td></tr>
8249<tr><td class="num" id="LN8139">8139</td><td class="line"> </td></tr>
8250<tr><td class="num" id="LN8140">8140</td><td class="line"> </td></tr>
8251<tr><td class="num" id="LN8141">8141</td><td class="line">status_t</td></tr>
8252<tr><td class="num" id="LN8142">8142</td><td class="line">_kern_fcntl(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> op, size_t argument)</td></tr>
8253<tr><td class="num" id="LN8143">8143</td><td class="line">{</td></tr>
8254<tr><td class="num" id="LN8144">8144</td><td class="line"> <span class='keyword'>return</span> common_fcntl(fd, op, argument, <span class='keyword'>true</span>);</td></tr>
8255<tr><td class="num" id="LN8145">8145</td><td class="line">}</td></tr>
8256<tr><td class="num" id="LN8146">8146</td><td class="line"> </td></tr>
8257<tr><td class="num" id="LN8147">8147</td><td class="line"> </td></tr>
8258<tr><td class="num" id="LN8148">8148</td><td class="line">status_t</td></tr>
8259<tr><td class="num" id="LN8149">8149</td><td class="line">_kern_fsync(<span class='keyword'>int</span> fd)</td></tr>
8260<tr><td class="num" id="LN8150">8150</td><td class="line">{</td></tr>
8261<tr><td class="num" id="LN8151">8151</td><td class="line"> <span class='keyword'>return</span> common_sync(fd, <span class='keyword'>true</span>);</td></tr>
8262<tr><td class="num" id="LN8152">8152</td><td class="line">}</td></tr>
8263<tr><td class="num" id="LN8153">8153</td><td class="line"> </td></tr>
8264<tr><td class="num" id="LN8154">8154</td><td class="line"> </td></tr>
8265<tr><td class="num" id="LN8155">8155</td><td class="line">status_t</td></tr>
8266<tr><td class="num" id="LN8156">8156</td><td class="line">_kern_lock_node(<span class='keyword'>int</span> fd)</td></tr>
8267<tr><td class="num" id="LN8157">8157</td><td class="line">{</td></tr>
8268<tr><td class="num" id="LN8158">8158</td><td class="line"> <span class='keyword'>return</span> common_lock_node(fd, <span class='keyword'>true</span>);</td></tr>
8269<tr><td class="num" id="LN8159">8159</td><td class="line">}</td></tr>
8270<tr><td class="num" id="LN8160">8160</td><td class="line"> </td></tr>
8271<tr><td class="num" id="LN8161">8161</td><td class="line"> </td></tr>
8272<tr><td class="num" id="LN8162">8162</td><td class="line">status_t</td></tr>
8273<tr><td class="num" id="LN8163">8163</td><td class="line">_kern_unlock_node(<span class='keyword'>int</span> fd)</td></tr>
8274<tr><td class="num" id="LN8164">8164</td><td class="line">{</td></tr>
8275<tr><td class="num" id="LN8165">8165</td><td class="line"> <span class='keyword'>return</span> common_unlock_node(fd, <span class='keyword'>true</span>);</td></tr>
8276<tr><td class="num" id="LN8166">8166</td><td class="line">}</td></tr>
8277<tr><td class="num" id="LN8167">8167</td><td class="line"> </td></tr>
8278<tr><td class="num" id="LN8168">8168</td><td class="line"> </td></tr>
8279<tr><td class="num" id="LN8169">8169</td><td class="line">status_t</td></tr>
8280<tr><td class="num" id="LN8170">8170</td><td class="line">_kern_create_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* name,</td></tr>
8281<tr><td class="num" id="LN8171">8171</td><td class="line"> <span class='keyword'>int</span> perms)</td></tr>
8282<tr><td class="num" id="LN8172">8172</td><td class="line">{</td></tr>
8283<tr><td class="num" id="LN8173">8173</td><td class="line"> <span class='keyword'>return</span> dir_create_entry_ref(device, inode, name, perms, <span class='keyword'>true</span>);</td></tr>
8284<tr><td class="num" id="LN8174">8174</td><td class="line">}</td></tr>
8285<tr><td class="num" id="LN8175">8175</td><td class="line"> </td></tr>
8286<tr><td class="num" id="LN8176">8176</td><td class="line"> </td></tr>
8287<tr><td class="num" id="LN8177">8177</td><td class="line"><span class='comment'>/*! \brief Creates a directory specified by a FD + path pair.</span></td></tr>
8288<tr><td class="num" id="LN8178">8178</td><td class="line"> </td></tr>
8289<tr><td class="num" id="LN8179">8179</td><td class="line"> <span class='comment'>\a path must always be specified (it contains the name of the new directory</span></td></tr>
8290<tr><td class="num" id="LN8180">8180</td><td class="line"> <span class='comment'>at least). If only a path is given, this path identifies the location at</span></td></tr>
8291<tr><td class="num" id="LN8181">8181</td><td class="line"> <span class='comment'>which the directory shall be created. If both \a fd and \a path are given</span></td></tr>
8292<tr><td class="num" id="LN8182">8182</td><td class="line"> <span class='comment'>and the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
8293<tr><td class="num" id="LN8183">8183</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
8294<tr><td class="num" id="LN8184">8184</td><td class="line"> </td></tr>
8295<tr><td class="num" id="LN8185">8185</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8296<tr><td class="num" id="LN8186">8186</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
8297<tr><td class="num" id="LN8187">8187</td><td class="line"> <span class='comment'>\param perms The access permissions the new directory shall have.</span></td></tr>
8298<tr><td class="num" id="LN8188">8188</td><td class="line"> <span class='comment'>\return \c B_OK, if the directory has been created successfully, another</span></td></tr>
8299<tr><td class="num" id="LN8189">8189</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
8300<tr><td class="num" id="LN8190">8190</td><td class="line"><span class='comment'>*/</span></td></tr>
8301<tr><td class="num" id="LN8191">8191</td><td class="line">status_t</td></tr>
8302<tr><td class="num" id="LN8192">8192</td><td class="line">_kern_create_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> perms)</td></tr>
8303<tr><td class="num" id="LN8193">8193</td><td class="line">{</td></tr>
8304<tr><td class="num" id="LN8194">8194</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8305<tr><td class="num" id="LN8195">8195</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8306<tr><td class="num" id="LN8196">8196</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8307<tr><td class="num" id="LN8197">8197</td><td class="line"> </td></tr>
8308<tr><td class="num" id="LN8198">8198</td><td class="line"> <span class='keyword'>return</span> dir_create(fd, pathBuffer.LockBuffer(), perms, <span class='keyword'>true</span>);</td></tr>
8309<tr><td class="num" id="LN8199">8199</td><td class="line">}</td></tr>
8310<tr><td class="num" id="LN8200">8200</td><td class="line"> </td></tr>
8311<tr><td class="num" id="LN8201">8201</td><td class="line"> </td></tr>
8312<tr><td class="num" id="LN8202">8202</td><td class="line">status_t</td></tr>
8313<tr><td class="num" id="LN8203">8203</td><td class="line">_kern_remove_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
8314<tr><td class="num" id="LN8204">8204</td><td class="line">{</td></tr>
8315<tr><td class="num" id="LN8205">8205</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
8316<tr><td class="num" id="LN8206">8206</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8317<tr><td class="num" id="LN8207">8207</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8318<tr><td class="num" id="LN8208">8208</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8319<tr><td class="num" id="LN8209">8209</td><td class="line"> </td></tr>
8320<tr><td class="num" id="LN8210">8210</td><td class="line"> <span class='keyword'>return</span> dir_remove(fd, pathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
8321<tr><td class="num" id="LN8211">8211</td><td class="line"> }</td></tr>
8322<tr><td class="num" id="LN8212">8212</td><td class="line"> </td></tr>
8323<tr><td class="num" id="LN8213">8213</td><td class="line"> <span class='keyword'>return</span> dir_remove(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>true</span>);</td></tr>
8324<tr><td class="num" id="LN8214">8214</td><td class="line">}</td></tr>
8325<tr><td class="num" id="LN8215">8215</td><td class="line"> </td></tr>
8326<tr><td class="num" id="LN8216">8216</td><td class="line"> </td></tr>
8327<tr><td class="num" id="LN8217">8217</td><td class="line"><span class='comment'>/*! \brief Reads the contents of a symlink referred to by a FD + path pair.</span></td></tr>
8328<tr><td class="num" id="LN8218">8218</td><td class="line"> </td></tr>
8329<tr><td class="num" id="LN8219">8219</td><td class="line"> <span class='comment'>At least one of \a fd and \a path must be specified.</span></td></tr>
8330<tr><td class="num" id="LN8220">8220</td><td class="line"> <span class='comment'>If only \a fd is given, the function the symlink to be read is the node</span></td></tr>
8331<tr><td class="num" id="LN8221">8221</td><td class="line"> <span class='comment'>identified by this FD. If only a path is given, this path identifies the</span></td></tr>
8332<tr><td class="num" id="LN8222">8222</td><td class="line"> <span class='comment'>symlink to be read. If both are given and the path is absolute, \a fd is</span></td></tr>
8333<tr><td class="num" id="LN8223">8223</td><td class="line"> <span class='comment'>ignored; a relative path is reckoned off of the directory (!) identified</span></td></tr>
8334<tr><td class="num" id="LN8224">8224</td><td class="line"> <span class='comment'>by \a fd.</span></td></tr>
8335<tr><td class="num" id="LN8225">8225</td><td class="line"> <span class='comment'>If this function fails with B_BUFFER_OVERFLOW, the \a _bufferSize pointer</span></td></tr>
8336<tr><td class="num" id="LN8226">8226</td><td class="line"> <span class='comment'>will still be updated to reflect the required buffer size.</span></td></tr>
8337<tr><td class="num" id="LN8227">8227</td><td class="line"> </td></tr>
8338<tr><td class="num" id="LN8228">8228</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8339<tr><td class="num" id="LN8229">8229</td><td class="line"> <span class='comment'>\param path The absolute or relative path. May be \c NULL.</span></td></tr>
8340<tr><td class="num" id="LN8230">8230</td><td class="line"> <span class='comment'>\param buffer The buffer into which the contents of the symlink shall be</span></td></tr>
8341<tr><td class="num" id="LN8231">8231</td><td class="line"> <span class='comment'>written.</span></td></tr>
8342<tr><td class="num" id="LN8232">8232</td><td class="line"> <span class='comment'>\param _bufferSize A pointer to the size of the supplied buffer.</span></td></tr>
8343<tr><td class="num" id="LN8233">8233</td><td class="line"> <span class='comment'>\return The length of the link on success or an appropriate error code</span></td></tr>
8344<tr><td class="num" id="LN8234">8234</td><td class="line"><span class='comment'>*/</span></td></tr>
8345<tr><td class="num" id="LN8235">8235</td><td class="line">status_t</td></tr>
8346<tr><td class="num" id="LN8236">8236</td><td class="line">_kern_read_link(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>char</span>* buffer, size_t* _bufferSize)</td></tr>
8347<tr><td class="num" id="LN8237">8237</td><td class="line">{</td></tr>
8348<tr><td class="num" id="LN8238">8238</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
8349<tr><td class="num" id="LN8239">8239</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8350<tr><td class="num" id="LN8240">8240</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8351<tr><td class="num" id="LN8241">8241</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8352<tr><td class="num" id="LN8242">8242</td><td class="line"> </td></tr>
8353<tr><td class="num" id="LN8243">8243</td><td class="line"> <span class='keyword'>return</span> common_read_link(fd, pathBuffer.LockBuffer(),</td></tr>
8354<tr><td class="num" id="LN8244">8244</td><td class="line"> buffer, _bufferSize, <span class='keyword'>true</span>);</td></tr>
8355<tr><td class="num" id="LN8245">8245</td><td class="line"> }</td></tr>
8356<tr><td class="num" id="LN8246">8246</td><td class="line"> </td></tr>
8357<tr><td class="num" id="LN8247">8247</td><td class="line"> <span class='keyword'>return</span> common_read_link(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, buffer, _bufferSize, <span class='keyword'>true</span>);</td></tr>
8358<tr><td class="num" id="LN8248">8248</td><td class="line">}</td></tr>
8359<tr><td class="num" id="LN8249">8249</td><td class="line"> </td></tr>
8360<tr><td class="num" id="LN8250">8250</td><td class="line"> </td></tr>
8361<tr><td class="num" id="LN8251">8251</td><td class="line"><span class='comment'>/*! \brief Creates a symlink specified by a FD + path pair.</span></td></tr>
8362<tr><td class="num" id="LN8252">8252</td><td class="line"> </td></tr>
8363<tr><td class="num" id="LN8253">8253</td><td class="line"> <span class='comment'>\a path must always be specified (it contains the name of the new symlink</span></td></tr>
8364<tr><td class="num" id="LN8254">8254</td><td class="line"> <span class='comment'>at least). If only a path is given, this path identifies the location at</span></td></tr>
8365<tr><td class="num" id="LN8255">8255</td><td class="line"> <span class='comment'>which the symlink shall be created. If both \a fd and \a path are given and</span></td></tr>
8366<tr><td class="num" id="LN8256">8256</td><td class="line"> <span class='comment'>the path is absolute, \a fd is ignored; a relative path is reckoned off</span></td></tr>
8367<tr><td class="num" id="LN8257">8257</td><td class="line"> <span class='comment'>of the directory (!) identified by \a fd.</span></td></tr>
8368<tr><td class="num" id="LN8258">8258</td><td class="line"> </td></tr>
8369<tr><td class="num" id="LN8259">8259</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8370<tr><td class="num" id="LN8260">8260</td><td class="line"> <span class='comment'>\param toPath The absolute or relative path. Must not be \c NULL.</span></td></tr>
8371<tr><td class="num" id="LN8261">8261</td><td class="line"> <span class='comment'>\param mode The access permissions the new symlink shall have.</span></td></tr>
8372<tr><td class="num" id="LN8262">8262</td><td class="line"> <span class='comment'>\return \c B_OK, if the symlink has been created successfully, another</span></td></tr>
8373<tr><td class="num" id="LN8263">8263</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
8374<tr><td class="num" id="LN8264">8264</td><td class="line"><span class='comment'>*/</span></td></tr>
8375<tr><td class="num" id="LN8265">8265</td><td class="line">status_t</td></tr>
8376<tr><td class="num" id="LN8266">8266</td><td class="line">_kern_create_symlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* toPath, <span class='keyword'>int</span> mode)</td></tr>
8377<tr><td class="num" id="LN8267">8267</td><td class="line">{</td></tr>
8378<tr><td class="num" id="LN8268">8268</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8379<tr><td class="num" id="LN8269">8269</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8380<tr><td class="num" id="LN8270">8270</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8381<tr><td class="num" id="LN8271">8271</td><td class="line"> </td></tr>
8382<tr><td class="num" id="LN8272">8272</td><td class="line"> <span class='keyword'>return</span> common_create_symlink(fd, pathBuffer.LockBuffer(),</td></tr>
8383<tr><td class="num" id="LN8273">8273</td><td class="line"> toPath, mode, <span class='keyword'>true</span>);</td></tr>
8384<tr><td class="num" id="LN8274">8274</td><td class="line">}</td></tr>
8385<tr><td class="num" id="LN8275">8275</td><td class="line"> </td></tr>
8386<tr><td class="num" id="LN8276">8276</td><td class="line"> </td></tr>
8387<tr><td class="num" id="LN8277">8277</td><td class="line">status_t</td></tr>
8388<tr><td class="num" id="LN8278">8278</td><td class="line">_kern_create_link(<span class='keyword'>int</span> pathFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> toFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* toPath,</td></tr>
8389<tr><td class="num" id="LN8279">8279</td><td class="line"> <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
8390<tr><td class="num" id="LN8280">8280</td><td class="line">{</td></tr>
8391<tr><td class="num" id="LN8281">8281</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8392<tr><td class="num" id="LN8282">8282</td><td class="line"> KPath toPathBuffer(toPath, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8393<tr><td class="num" id="LN8283">8283</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8394<tr><td class="num" id="LN8284">8284</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8395<tr><td class="num" id="LN8285">8285</td><td class="line"> </td></tr>
8396<tr><td class="num" id="LN8286">8286</td><td class="line"> <span class='keyword'>return</span> common_create_link(pathFD, pathBuffer.LockBuffer(), toFD,</td></tr>
8397<tr><td class="num" id="LN8287">8287</td><td class="line"> toPathBuffer.LockBuffer(), traverseLeafLink, <span class='keyword'>true</span>);</td></tr>
8398<tr><td class="num" id="LN8288">8288</td><td class="line">}</td></tr>
8399<tr><td class="num" id="LN8289">8289</td><td class="line"> </td></tr>
8400<tr><td class="num" id="LN8290">8290</td><td class="line"> </td></tr>
8401<tr><td class="num" id="LN8291">8291</td><td class="line"><span class='comment'>/*! \brief Removes an entry specified by a FD + path pair from its directory.</span></td></tr>
8402<tr><td class="num" id="LN8292">8292</td><td class="line"> </td></tr>
8403<tr><td class="num" id="LN8293">8293</td><td class="line"> <span class='comment'>\a path must always be specified (it contains at least the name of the entry</span></td></tr>
8404<tr><td class="num" id="LN8294">8294</td><td class="line"> <span class='comment'>to be deleted). If only a path is given, this path identifies the entry</span></td></tr>
8405<tr><td class="num" id="LN8295">8295</td><td class="line"> <span class='comment'>directly. If both \a fd and \a path are given and the path is absolute,</span></td></tr>
8406<tr><td class="num" id="LN8296">8296</td><td class="line"> <span class='comment'>\a fd is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
8407<tr><td class="num" id="LN8297">8297</td><td class="line"> <span class='comment'>identified by \a fd.</span></td></tr>
8408<tr><td class="num" id="LN8298">8298</td><td class="line"> </td></tr>
8409<tr><td class="num" id="LN8299">8299</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8410<tr><td class="num" id="LN8300">8300</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
8411<tr><td class="num" id="LN8301">8301</td><td class="line"> <span class='comment'>\return \c B_OK, if the entry has been removed successfully, another</span></td></tr>
8412<tr><td class="num" id="LN8302">8302</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
8413<tr><td class="num" id="LN8303">8303</td><td class="line"><span class='comment'>*/</span></td></tr>
8414<tr><td class="num" id="LN8304">8304</td><td class="line">status_t</td></tr>
8415<tr><td class="num" id="LN8305">8305</td><td class="line">_kern_unlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
8416<tr><td class="num" id="LN8306">8306</td><td class="line">{</td></tr>
8417<tr><td class="num" id="LN8307">8307</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8418<tr><td class="num" id="LN8308">8308</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8419<tr><td class="num" id="LN8309">8309</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8420<tr><td class="num" id="LN8310">8310</td><td class="line"> </td></tr>
8421<tr><td class="num" id="LN8311">8311</td><td class="line"> <span class='keyword'>return</span> common_unlink(fd, pathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
8422<tr><td class="num" id="LN8312">8312</td><td class="line">}</td></tr>
8423<tr><td class="num" id="LN8313">8313</td><td class="line"> </td></tr>
8424<tr><td class="num" id="LN8314">8314</td><td class="line"> </td></tr>
8425<tr><td class="num" id="LN8315">8315</td><td class="line"><span class='comment'>/*! \brief Moves an entry specified by a FD + path pair to a an entry specified</span></td></tr>
8426<tr><td class="num" id="LN8316">8316</td><td class="line"> <span class='comment'>by another FD + path pair.</span></td></tr>
8427<tr><td class="num" id="LN8317">8317</td><td class="line"> </td></tr>
8428<tr><td class="num" id="LN8318">8318</td><td class="line"> <span class='comment'>\a oldPath and \a newPath must always be specified (they contain at least</span></td></tr>
8429<tr><td class="num" id="LN8319">8319</td><td class="line"> <span class='comment'>the name of the entry). If only a path is given, this path identifies the</span></td></tr>
8430<tr><td class="num" id="LN8320">8320</td><td class="line"> <span class='comment'>entry directly. If both a FD and a path are given and the path is absolute,</span></td></tr>
8431<tr><td class="num" id="LN8321">8321</td><td class="line"> <span class='comment'>the FD is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
8432<tr><td class="num" id="LN8322">8322</td><td class="line"> <span class='comment'>identified by the respective FD.</span></td></tr>
8433<tr><td class="num" id="LN8323">8323</td><td class="line"> </td></tr>
8434<tr><td class="num" id="LN8324">8324</td><td class="line"> <span class='comment'>\param oldFD The FD of the old location. May be &lt; 0.</span></td></tr>
8435<tr><td class="num" id="LN8325">8325</td><td class="line"> <span class='comment'>\param oldPath The absolute or relative path of the old location. Must not</span></td></tr>
8436<tr><td class="num" id="LN8326">8326</td><td class="line"> <span class='comment'>be \c NULL.</span></td></tr>
8437<tr><td class="num" id="LN8327">8327</td><td class="line"> <span class='comment'>\param newFD The FD of the new location. May be &lt; 0.</span></td></tr>
8438<tr><td class="num" id="LN8328">8328</td><td class="line"> <span class='comment'>\param newPath The absolute or relative path of the new location. Must not</span></td></tr>
8439<tr><td class="num" id="LN8329">8329</td><td class="line"> <span class='comment'>be \c NULL.</span></td></tr>
8440<tr><td class="num" id="LN8330">8330</td><td class="line"> <span class='comment'>\return \c B_OK, if the entry has been moved successfully, another</span></td></tr>
8441<tr><td class="num" id="LN8331">8331</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
8442<tr><td class="num" id="LN8332">8332</td><td class="line"><span class='comment'>*/</span></td></tr>
8443<tr><td class="num" id="LN8333">8333</td><td class="line">status_t</td></tr>
8444<tr><td class="num" id="LN8334">8334</td><td class="line">_kern_rename(<span class='keyword'>int</span> oldFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* oldPath, <span class='keyword'>int</span> newFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* newPath)</td></tr>
8445<tr><td class="num" id="LN8335">8335</td><td class="line">{</td></tr>
8446<tr><td class="num" id="LN8336">8336</td><td class="line"> KPath oldPathBuffer(oldPath, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8447<tr><td class="num" id="LN8337">8337</td><td class="line"> KPath newPathBuffer(newPath, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8448<tr><td class="num" id="LN8338">8338</td><td class="line"> <span class='keyword'>if</span> (oldPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || newPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8449<tr><td class="num" id="LN8339">8339</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8450<tr><td class="num" id="LN8340">8340</td><td class="line"> </td></tr>
8451<tr><td class="num" id="LN8341">8341</td><td class="line"> <span class='keyword'>return</span> common_rename(oldFD, oldPathBuffer.LockBuffer(),</td></tr>
8452<tr><td class="num" id="LN8342">8342</td><td class="line"> newFD, newPathBuffer.LockBuffer(), <span class='keyword'>true</span>);</td></tr>
8453<tr><td class="num" id="LN8343">8343</td><td class="line">}</td></tr>
8454<tr><td class="num" id="LN8344">8344</td><td class="line"> </td></tr>
8455<tr><td class="num" id="LN8345">8345</td><td class="line"> </td></tr>
8456<tr><td class="num" id="LN8346">8346</td><td class="line">status_t</td></tr>
8457<tr><td class="num" id="LN8347">8347</td><td class="line">_kern_access(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>int</span> mode, <span class='keyword'>bool</span> effectiveUserGroup)</td></tr>
8458<tr><td class="num" id="LN8348">8348</td><td class="line">{</td></tr>
8459<tr><td class="num" id="LN8349">8349</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8460<tr><td class="num" id="LN8350">8350</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8461<tr><td class="num" id="LN8351">8351</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8462<tr><td class="num" id="LN8352">8352</td><td class="line"> </td></tr>
8463<tr><td class="num" id="LN8353">8353</td><td class="line"> <span class='keyword'>return</span> common_access(fd, pathBuffer.LockBuffer(), mode, effectiveUserGroup,</td></tr>
8464<tr><td class="num" id="LN8354">8354</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
8465<tr><td class="num" id="LN8355">8355</td><td class="line">}</td></tr>
8466<tr><td class="num" id="LN8356">8356</td><td class="line"> </td></tr>
8467<tr><td class="num" id="LN8357">8357</td><td class="line"> </td></tr>
8468<tr><td class="num" id="LN8358">8358</td><td class="line"><span class='comment'>/*! \brief Reads stat data of an entity specified by a FD + path pair.</span></td></tr>
8469<tr><td class="num" id="LN8359">8359</td><td class="line"> </td></tr>
8470<tr><td class="num" id="LN8360">8360</td><td class="line"> <span class='comment'>If only \a fd is given, the stat operation associated with the type</span></td></tr>
8471<tr><td class="num" id="LN8361">8361</td><td class="line"> <span class='comment'>of the FD (node, attr, attr dir etc.) is performed. If only \a path is</span></td></tr>
8472<tr><td class="num" id="LN8362">8362</td><td class="line"> <span class='comment'>given, this path identifies the entry for whose node to retrieve the</span></td></tr>
8473<tr><td class="num" id="LN8363">8363</td><td class="line"> <span class='comment'>stat data. If both \a fd and \a path are given and the path is absolute,</span></td></tr>
8474<tr><td class="num" id="LN8364">8364</td><td class="line"> <span class='comment'>\a fd is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
8475<tr><td class="num" id="LN8365">8365</td><td class="line"> <span class='comment'>identified by \a fd and specifies the entry whose stat data shall be</span></td></tr>
8476<tr><td class="num" id="LN8366">8366</td><td class="line"> <span class='comment'>retrieved.</span></td></tr>
8477<tr><td class="num" id="LN8367">8367</td><td class="line"> </td></tr>
8478<tr><td class="num" id="LN8368">8368</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8479<tr><td class="num" id="LN8369">8369</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
8480<tr><td class="num" id="LN8370">8370</td><td class="line"> <span class='comment'>\param traverseLeafLink If \a path is given, \c true specifies that the</span></td></tr>
8481<tr><td class="num" id="LN8371">8371</td><td class="line"> <span class='comment'>function shall not stick to symlinks, but traverse them.</span></td></tr>
8482<tr><td class="num" id="LN8372">8372</td><td class="line"> <span class='comment'>\param stat The buffer the stat data shall be written into.</span></td></tr>
8483<tr><td class="num" id="LN8373">8373</td><td class="line"> <span class='comment'>\param statSize The size of the supplied stat buffer.</span></td></tr>
8484<tr><td class="num" id="LN8374">8374</td><td class="line"> <span class='comment'>\return \c B_OK, if the the stat data have been read successfully, another</span></td></tr>
8485<tr><td class="num" id="LN8375">8375</td><td class="line"> <span class='comment'>error code otherwise.</span></td></tr>
8486<tr><td class="num" id="LN8376">8376</td><td class="line"><span class='comment'>*/</span></td></tr>
8487<tr><td class="num" id="LN8377">8377</td><td class="line">status_t</td></tr>
8488<tr><td class="num" id="LN8378">8378</td><td class="line">_kern_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
8489<tr><td class="num" id="LN8379">8379</td><td class="line"> <span class='keyword'>struct</span> stat* stat, size_t statSize)</td></tr>
8490<tr><td class="num" id="LN8380">8380</td><td class="line">{</td></tr>
8491<tr><td class="num" id="LN8381">8381</td><td class="line"> <span class='keyword'>struct</span> stat completeStat;</td></tr>
8492<tr><td class="num" id="LN8382">8382</td><td class="line"> <span class='keyword'>struct</span> stat* originalStat = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
8493<tr><td class="num" id="LN8383">8383</td><td class="line"> status_t status;</td></tr>
8494<tr><td class="num" id="LN8384">8384</td><td class="line"> </td></tr>
8495<tr><td class="num" id="LN8385">8385</td><td class="line"> <span class='keyword'>if</span> (statSize &gt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
8496<tr><td class="num" id="LN8386">8386</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8497<tr><td class="num" id="LN8387">8387</td><td class="line"> </td></tr>
8498<tr><td class="num" id="LN8388">8388</td><td class="line"> <span class='comment'>// this supports different stat extensions</span></td></tr>
8499<tr><td class="num" id="LN8389">8389</td><td class="line"> <span class='keyword'>if</span> (statSize &lt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat)) {</td></tr>
8500<tr><td class="num" id="LN8390">8390</td><td class="line"> originalStat = stat;</td></tr>
8501<tr><td class="num" id="LN8391">8391</td><td class="line"> stat = &amp;completeStat;</td></tr>
8502<tr><td class="num" id="LN8392">8392</td><td class="line"> }</td></tr>
8503<tr><td class="num" id="LN8393">8393</td><td class="line"> </td></tr>
8504<tr><td class="num" id="LN8394">8394</td><td class="line"> status = vfs_read_stat(fd, path, traverseLeafLink, stat, <span class='keyword'>true</span>);</td></tr>
8505<tr><td class="num" id="LN8395">8395</td><td class="line"> </td></tr>
8506<tr><td class="num" id="LN8396">8396</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; originalStat != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8507<tr><td class="num" id="LN8397">8397</td><td class="line"> memcpy(originalStat, stat, statSize);</td></tr>
8508<tr><td class="num" id="LN8398">8398</td><td class="line"> </td></tr>
8509<tr><td class="num" id="LN8399">8399</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8510<tr><td class="num" id="LN8400">8400</td><td class="line">}</td></tr>
8511<tr><td class="num" id="LN8401">8401</td><td class="line"> </td></tr>
8512<tr><td class="num" id="LN8402">8402</td><td class="line"> </td></tr>
8513<tr><td class="num" id="LN8403">8403</td><td class="line"><span class='comment'>/*! \brief Writes stat data of an entity specified by a FD + path pair.</span></td></tr>
8514<tr><td class="num" id="LN8404">8404</td><td class="line"> </td></tr>
8515<tr><td class="num" id="LN8405">8405</td><td class="line"> <span class='comment'>If only \a fd is given, the stat operation associated with the type</span></td></tr>
8516<tr><td class="num" id="LN8406">8406</td><td class="line"> <span class='comment'>of the FD (node, attr, attr dir etc.) is performed. If only \a path is</span></td></tr>
8517<tr><td class="num" id="LN8407">8407</td><td class="line"> <span class='comment'>given, this path identifies the entry for whose node to write the</span></td></tr>
8518<tr><td class="num" id="LN8408">8408</td><td class="line"> <span class='comment'>stat data. If both \a fd and \a path are given and the path is absolute,</span></td></tr>
8519<tr><td class="num" id="LN8409">8409</td><td class="line"> <span class='comment'>\a fd is ignored; a relative path is reckoned off of the directory (!)</span></td></tr>
8520<tr><td class="num" id="LN8410">8410</td><td class="line"> <span class='comment'>identified by \a fd and specifies the entry whose stat data shall be</span></td></tr>
8521<tr><td class="num" id="LN8411">8411</td><td class="line"> <span class='comment'>written.</span></td></tr>
8522<tr><td class="num" id="LN8412">8412</td><td class="line"> </td></tr>
8523<tr><td class="num" id="LN8413">8413</td><td class="line"> <span class='comment'>\param fd The FD. May be &lt; 0.</span></td></tr>
8524<tr><td class="num" id="LN8414">8414</td><td class="line"> <span class='comment'>\param path The absolute or relative path. Must not be \c NULL.</span></td></tr>
8525<tr><td class="num" id="LN8415">8415</td><td class="line"> <span class='comment'>\param traverseLeafLink If \a path is given, \c true specifies that the</span></td></tr>
8526<tr><td class="num" id="LN8416">8416</td><td class="line"> <span class='comment'>function shall not stick to symlinks, but traverse them.</span></td></tr>
8527<tr><td class="num" id="LN8417">8417</td><td class="line"> <span class='comment'>\param stat The buffer containing the stat data to be written.</span></td></tr>
8528<tr><td class="num" id="LN8418">8418</td><td class="line"> <span class='comment'>\param statSize The size of the supplied stat buffer.</span></td></tr>
8529<tr><td class="num" id="LN8419">8419</td><td class="line"> <span class='comment'>\param statMask A mask specifying which parts of the stat data shall be</span></td></tr>
8530<tr><td class="num" id="LN8420">8420</td><td class="line"> <span class='comment'>written.</span></td></tr>
8531<tr><td class="num" id="LN8421">8421</td><td class="line"> <span class='comment'>\return \c B_OK, if the the stat data have been written successfully,</span></td></tr>
8532<tr><td class="num" id="LN8422">8422</td><td class="line"> <span class='comment'>another error code otherwise.</span></td></tr>
8533<tr><td class="num" id="LN8423">8423</td><td class="line"><span class='comment'>*/</span></td></tr>
8534<tr><td class="num" id="LN8424">8424</td><td class="line">status_t</td></tr>
8535<tr><td class="num" id="LN8425">8425</td><td class="line">_kern_write_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
8536<tr><td class="num" id="LN8426">8426</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* stat, size_t statSize, <span class='keyword'>int</span> statMask)</td></tr>
8537<tr><td class="num" id="LN8427">8427</td><td class="line">{</td></tr>
8538<tr><td class="num" id="LN8428">8428</td><td class="line"> <span class='keyword'>struct</span> stat completeStat;</td></tr>
8539<tr><td class="num" id="LN8429">8429</td><td class="line"> </td></tr>
8540<tr><td class="num" id="LN8430">8430</td><td class="line"> <span class='keyword'>if</span> (statSize &gt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
8541<tr><td class="num" id="LN8431">8431</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8542<tr><td class="num" id="LN8432">8432</td><td class="line"> </td></tr>
8543<tr><td class="num" id="LN8433">8433</td><td class="line"> <span class='comment'>// this supports different stat extensions</span></td></tr>
8544<tr><td class="num" id="LN8434">8434</td><td class="line"> <span class='keyword'>if</span> (statSize &lt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat)) {</td></tr>
8545<tr><td class="num" id="LN8435">8435</td><td class="line"> memset((uint8*)&amp;completeStat + statSize, 0,</td></tr>
8546<tr><td class="num" id="LN8436">8436</td><td class="line"> <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat) - statSize);</td></tr>
8547<tr><td class="num" id="LN8437">8437</td><td class="line"> memcpy(&amp;completeStat, stat, statSize);</td></tr>
8548<tr><td class="num" id="LN8438">8438</td><td class="line"> stat = &amp;completeStat;</td></tr>
8549<tr><td class="num" id="LN8439">8439</td><td class="line"> }</td></tr>
8550<tr><td class="num" id="LN8440">8440</td><td class="line"> </td></tr>
8551<tr><td class="num" id="LN8441">8441</td><td class="line"> status_t status;</td></tr>
8552<tr><td class="num" id="LN8442">8442</td><td class="line"> </td></tr>
8553<tr><td class="num" id="LN8443">8443</td><td class="line"> <span class='keyword'>if</span> (path) {</td></tr>
8554<tr><td class="num" id="LN8444">8444</td><td class="line"> <span class='comment'>// path given: write the stat of the node referred to by (fd, path)</span></td></tr>
8555<tr><td class="num" id="LN8445">8445</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8556<tr><td class="num" id="LN8446">8446</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8557<tr><td class="num" id="LN8447">8447</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8558<tr><td class="num" id="LN8448">8448</td><td class="line"> </td></tr>
8559<tr><td class="num" id="LN8449">8449</td><td class="line"> status = common_path_write_stat(fd, pathBuffer.LockBuffer(),</td></tr>
8560<tr><td class="num" id="LN8450">8450</td><td class="line"> traverseLeafLink, stat, statMask, <span class='keyword'>true</span>);</td></tr>
8561<tr><td class="num" id="LN8451">8451</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
8562<tr><td class="num" id="LN8452">8452</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
8563<tr><td class="num" id="LN8453">8453</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
8564<tr><td class="num" id="LN8454">8454</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>true</span>), fd);</td></tr>
8565<tr><td class="num" id="LN8455">8455</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8566<tr><td class="num" id="LN8456">8456</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
8567<tr><td class="num" id="LN8457">8457</td><td class="line"> </td></tr>
8568<tr><td class="num" id="LN8458">8458</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;ops-&gt;fd_write_stat)</td></tr>
8569<tr><td class="num" id="LN8459">8459</td><td class="line"> status = descriptor-&gt;ops-&gt;fd_write_stat(descriptor, stat, statMask);</td></tr>
8570<tr><td class="num" id="LN8460">8460</td><td class="line"> <span class='keyword'>else</span></td></tr>
8571<tr><td class="num" id="LN8461">8461</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
8572<tr><td class="num" id="LN8462">8462</td><td class="line"> </td></tr>
8573<tr><td class="num" id="LN8463">8463</td><td class="line"> put_fd(descriptor);</td></tr>
8574<tr><td class="num" id="LN8464">8464</td><td class="line"> }</td></tr>
8575<tr><td class="num" id="LN8465">8465</td><td class="line"> </td></tr>
8576<tr><td class="num" id="LN8466">8466</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8577<tr><td class="num" id="LN8467">8467</td><td class="line">}</td></tr>
8578<tr><td class="num" id="LN8468">8468</td><td class="line"> </td></tr>
8579<tr><td class="num" id="LN8469">8469</td><td class="line"> </td></tr>
8580<tr><td class="num" id="LN8470">8470</td><td class="line"><span class='keyword'>int</span></td></tr>
8581<tr><td class="num" id="LN8471">8471</td><td class="line">_kern_open_attr_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
8582<tr><td class="num" id="LN8472">8472</td><td class="line">{</td></tr>
8583<tr><td class="num" id="LN8473">8473</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8584<tr><td class="num" id="LN8474">8474</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8585<tr><td class="num" id="LN8475">8475</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8586<tr><td class="num" id="LN8476">8476</td><td class="line"> </td></tr>
8587<tr><td class="num" id="LN8477">8477</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8588<tr><td class="num" id="LN8478">8478</td><td class="line"> pathBuffer.SetTo(path);</td></tr>
8589<tr><td class="num" id="LN8479">8479</td><td class="line"> </td></tr>
8590<tr><td class="num" id="LN8480">8480</td><td class="line"> <span class='keyword'>return</span> attr_dir_open(fd, path ? pathBuffer.LockBuffer() : <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
8591<tr><td class="num" id="LN8481">8481</td><td class="line"> traverseLeafLink, <span class='keyword'>true</span>);</td></tr>
8592<tr><td class="num" id="LN8482">8482</td><td class="line">}</td></tr>
8593<tr><td class="num" id="LN8483">8483</td><td class="line"> </td></tr>
8594<tr><td class="num" id="LN8484">8484</td><td class="line"> </td></tr>
8595<tr><td class="num" id="LN8485">8485</td><td class="line"><span class='keyword'>int</span></td></tr>
8596<tr><td class="num" id="LN8486">8486</td><td class="line">_kern_open_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type,</td></tr>
8597<tr><td class="num" id="LN8487">8487</td><td class="line"> <span class='keyword'>int</span> openMode)</td></tr>
8598<tr><td class="num" id="LN8488">8488</td><td class="line">{</td></tr>
8599<tr><td class="num" id="LN8489">8489</td><td class="line"> KPath pathBuffer(path, <span class='keyword'>false</span>, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8600<tr><td class="num" id="LN8490">8490</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8601<tr><td class="num" id="LN8491">8491</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8602<tr><td class="num" id="LN8492">8492</td><td class="line"> </td></tr>
8603<tr><td class="num" id="LN8493">8493</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
8604<tr><td class="num" id="LN8494">8494</td><td class="line"> <span class='keyword'>return</span> attr_create(fd, pathBuffer.LockBuffer(), name, type, openMode,</td></tr>
8605<tr><td class="num" id="LN8495">8495</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
8606<tr><td class="num" id="LN8496">8496</td><td class="line"> }</td></tr>
8607<tr><td class="num" id="LN8497">8497</td><td class="line"> </td></tr>
8608<tr><td class="num" id="LN8498">8498</td><td class="line"> <span class='keyword'>return</span> attr_open(fd, pathBuffer.LockBuffer(), name, openMode, <span class='keyword'>true</span>);</td></tr>
8609<tr><td class="num" id="LN8499">8499</td><td class="line">}</td></tr>
8610<tr><td class="num" id="LN8500">8500</td><td class="line"> </td></tr>
8611<tr><td class="num" id="LN8501">8501</td><td class="line"> </td></tr>
8612<tr><td class="num" id="LN8502">8502</td><td class="line">status_t</td></tr>
8613<tr><td class="num" id="LN8503">8503</td><td class="line">_kern_remove_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
8614<tr><td class="num" id="LN8504">8504</td><td class="line">{</td></tr>
8615<tr><td class="num" id="LN8505">8505</td><td class="line"> <span class='keyword'>return</span> attr_remove(fd, name, <span class='keyword'>true</span>);</td></tr>
8616<tr><td class="num" id="LN8506">8506</td><td class="line">}</td></tr>
8617<tr><td class="num" id="LN8507">8507</td><td class="line"> </td></tr>
8618<tr><td class="num" id="LN8508">8508</td><td class="line"> </td></tr>
8619<tr><td class="num" id="LN8509">8509</td><td class="line">status_t</td></tr>
8620<tr><td class="num" id="LN8510">8510</td><td class="line">_kern_rename_attr(<span class='keyword'>int</span> fromFile, <span class='keyword'>const</span> <span class='keyword'>char</span>* fromName, <span class='keyword'>int</span> toFile,</td></tr>
8621<tr><td class="num" id="LN8511">8511</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* toName)</td></tr>
8622<tr><td class="num" id="LN8512">8512</td><td class="line">{</td></tr>
8623<tr><td class="num" id="LN8513">8513</td><td class="line"> <span class='keyword'>return</span> attr_rename(fromFile, fromName, toFile, toName, <span class='keyword'>true</span>);</td></tr>
8624<tr><td class="num" id="LN8514">8514</td><td class="line">}</td></tr>
8625<tr><td class="num" id="LN8515">8515</td><td class="line"> </td></tr>
8626<tr><td class="num" id="LN8516">8516</td><td class="line"> </td></tr>
8627<tr><td class="num" id="LN8517">8517</td><td class="line"><span class='keyword'>int</span></td></tr>
8628<tr><td class="num" id="LN8518">8518</td><td class="line">_kern_open_index_dir(dev_t device)</td></tr>
8629<tr><td class="num" id="LN8519">8519</td><td class="line">{</td></tr>
8630<tr><td class="num" id="LN8520">8520</td><td class="line"> <span class='keyword'>return</span> index_dir_open(device, <span class='keyword'>true</span>);</td></tr>
8631<tr><td class="num" id="LN8521">8521</td><td class="line">}</td></tr>
8632<tr><td class="num" id="LN8522">8522</td><td class="line"> </td></tr>
8633<tr><td class="num" id="LN8523">8523</td><td class="line"> </td></tr>
8634<tr><td class="num" id="LN8524">8524</td><td class="line">status_t</td></tr>
8635<tr><td class="num" id="LN8525">8525</td><td class="line">_kern_create_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, uint32 type, uint32 flags)</td></tr>
8636<tr><td class="num" id="LN8526">8526</td><td class="line">{</td></tr>
8637<tr><td class="num" id="LN8527">8527</td><td class="line"> <span class='keyword'>return</span> index_create(device, name, type, flags, <span class='keyword'>true</span>);</td></tr>
8638<tr><td class="num" id="LN8528">8528</td><td class="line">}</td></tr>
8639<tr><td class="num" id="LN8529">8529</td><td class="line"> </td></tr>
8640<tr><td class="num" id="LN8530">8530</td><td class="line"> </td></tr>
8641<tr><td class="num" id="LN8531">8531</td><td class="line">status_t</td></tr>
8642<tr><td class="num" id="LN8532">8532</td><td class="line">_kern_read_index_stat(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* name, <span class='keyword'>struct</span> stat* stat)</td></tr>
8643<tr><td class="num" id="LN8533">8533</td><td class="line">{</td></tr>
8644<tr><td class="num" id="LN8534">8534</td><td class="line"> <span class='keyword'>return</span> index_name_read_stat(device, name, stat, <span class='keyword'>true</span>);</td></tr>
8645<tr><td class="num" id="LN8535">8535</td><td class="line">}</td></tr>
8646<tr><td class="num" id="LN8536">8536</td><td class="line"> </td></tr>
8647<tr><td class="num" id="LN8537">8537</td><td class="line"> </td></tr>
8648<tr><td class="num" id="LN8538">8538</td><td class="line">status_t</td></tr>
8649<tr><td class="num" id="LN8539">8539</td><td class="line">_kern_remove_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
8650<tr><td class="num" id="LN8540">8540</td><td class="line">{</td></tr>
8651<tr><td class="num" id="LN8541">8541</td><td class="line"> <span class='keyword'>return</span> index_remove(device, name, <span class='keyword'>true</span>);</td></tr>
8652<tr><td class="num" id="LN8542">8542</td><td class="line">}</td></tr>
8653<tr><td class="num" id="LN8543">8543</td><td class="line"> </td></tr>
8654<tr><td class="num" id="LN8544">8544</td><td class="line"> </td></tr>
8655<tr><td class="num" id="LN8545">8545</td><td class="line">status_t</td></tr>
8656<tr><td class="num" id="LN8546">8546</td><td class="line">_kern_getcwd(<span class='keyword'>char</span>* buffer, size_t size)</td></tr>
8657<tr><td class="num" id="LN8547">8547</td><td class="line">{</td></tr>
8658<tr><td class="num" id="LN8548">8548</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"_kern_getcwd: buf %p, %ld\n"</span>, buffer, size))<span class='expansion'>;</span></span>;</td></tr>
8659<tr><td class="num" id="LN8549">8549</td><td class="line"> </td></tr>
8660<tr><td class="num" id="LN8550">8550</td><td class="line"> <span class='comment'>// Call vfs to get current working directory</span></td></tr>
8661<tr><td class="num" id="LN8551">8551</td><td class="line"> <span class='keyword'>return</span> get_cwd(buffer, size, <span class='keyword'>true</span>);</td></tr>
8662<tr><td class="num" id="LN8552">8552</td><td class="line">}</td></tr>
8663<tr><td class="num" id="LN8553">8553</td><td class="line"> </td></tr>
8664<tr><td class="num" id="LN8554">8554</td><td class="line"> </td></tr>
8665<tr><td class="num" id="LN8555">8555</td><td class="line">status_t</td></tr>
8666<tr><td class="num" id="LN8556">8556</td><td class="line">_kern_setcwd(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* path)</td></tr>
8667<tr><td class="num" id="LN8557">8557</td><td class="line">{</td></tr>
8668<tr><td class="num" id="LN8558">8558</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8669<tr><td class="num" id="LN8559">8559</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8670<tr><td class="num" id="LN8560">8560</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8671<tr><td class="num" id="LN8561">8561</td><td class="line"> </td></tr>
8672<tr><td class="num" id="LN8562">8562</td><td class="line"> <span class='keyword'>if</span> (path != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8673<tr><td class="num" id="LN8563">8563</td><td class="line"> pathBuffer.SetTo(path);</td></tr>
8674<tr><td class="num" id="LN8564">8564</td><td class="line"> </td></tr>
8675<tr><td class="num" id="LN8565">8565</td><td class="line"> <span class='keyword'>return</span> set_cwd(fd, path != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? pathBuffer.LockBuffer() : <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>true</span>);</td></tr>
8676<tr><td class="num" id="LN8566">8566</td><td class="line">}</td></tr>
8677<tr><td class="num" id="LN8567">8567</td><td class="line"> </td></tr>
8678<tr><td class="num" id="LN8568">8568</td><td class="line"> </td></tr>
8679<tr><td class="num" id="LN8569">8569</td><td class="line"><span class='comment'>// #pragma mark - userland syscalls</span></td></tr>
8680<tr><td class="num" id="LN8570">8570</td><td class="line"> </td></tr>
8681<tr><td class="num" id="LN8571">8571</td><td class="line"> </td></tr>
8682<tr><td class="num" id="LN8572">8572</td><td class="line">dev_t</td></tr>
8683<tr><td class="num" id="LN8573">8573</td><td class="line">_user_mount(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>const</span> <span class='keyword'>char</span>* userDevice,</td></tr>
8684<tr><td class="num" id="LN8574">8574</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userFileSystem, uint32 flags, <span class='keyword'>const</span> <span class='keyword'>char</span>* userArgs,</td></tr>
8685<tr><td class="num" id="LN8575">8575</td><td class="line"> size_t argsLength)</td></tr>
8686<tr><td class="num" id="LN8576">8576</td><td class="line">{</td></tr>
8687<tr><td class="num" id="LN8577">8577</td><td class="line"> <span class='keyword'>char</span> fileSystem[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
8688<tr><td class="num" id="LN8578">8578</td><td class="line"> KPath path, device;</td></tr>
8689<tr><td class="num" id="LN8579">8579</td><td class="line"> <span class='keyword'>char</span>* args = <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
8690<tr><td class="num" id="LN8580">8580</td><td class="line"> status_t status;</td></tr>
8691<tr><td class="num" id="LN8581">8581</td><td class="line"> </td></tr>
8692<tr><td class="num" id="LN8582">8582</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
8693<tr><td class="num" id="LN8583">8583</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userFileSystem)<span class='expansion'>((addr_t)(userFileSystem) &lt;= (0x0 + ((0x80000000 - 0x10000<br>) - 1)))</span></span></td></tr>
8694<tr><td class="num" id="LN8584">8584</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userDevice)<span class='expansion'>((addr_t)(userDevice) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span>)</td></tr>
8695<tr><td class="num" id="LN8585">8585</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8696<tr><td class="num" id="LN8586">8586</td><td class="line"> </td></tr>
8697<tr><td class="num" id="LN8587">8587</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || device.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8698<tr><td class="num" id="LN8588">8588</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8699<tr><td class="num" id="LN8589">8589</td><td class="line"> </td></tr>
8700<tr><td class="num" id="LN8590">8590</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(path.LockBuffer(), userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8701<tr><td class="num" id="LN8591">8591</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8702<tr><td class="num" id="LN8592">8592</td><td class="line"> </td></tr>
8703<tr><td class="num" id="LN8593">8593</td><td class="line"> <span class='keyword'>if</span> (userFileSystem != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
8704<tr><td class="num" id="LN8594">8594</td><td class="line"> &amp;&amp; user_strlcpy(fileSystem, userFileSystem, <span class='keyword'>sizeof</span>(fileSystem)) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8705<tr><td class="num" id="LN8595">8595</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8706<tr><td class="num" id="LN8596">8596</td><td class="line"> </td></tr>
8707<tr><td class="num" id="LN8597">8597</td><td class="line"> <span class='keyword'>if</span> (userDevice != <span class='macro'>NULL<span class='expansion'>__null</span></span></td></tr>
8708<tr><td class="num" id="LN8598">8598</td><td class="line"> &amp;&amp; user_strlcpy(device.LockBuffer(), userDevice, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
8709<tr><td class="num" id="LN8599">8599</td><td class="line"> &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8710<tr><td class="num" id="LN8600">8600</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8711<tr><td class="num" id="LN8601">8601</td><td class="line"> </td></tr>
8712<tr><td class="num" id="LN8602">8602</td><td class="line"> <span class='keyword'>if</span> (userArgs != <span class='macro'>NULL<span class='expansion'>__null</span></span> &amp;&amp; argsLength &gt; 0) {</td></tr>
8713<tr><td class="num" id="LN8603">8603</td><td class="line"> <span class='comment'>// this is a safety restriction</span></td></tr>
8714<tr><td class="num" id="LN8604">8604</td><td class="line"> <span class='keyword'>if</span> (argsLength &gt;= 65536)</td></tr>
8715<tr><td class="num" id="LN8605">8605</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
8716<tr><td class="num" id="LN8606">8606</td><td class="line"> </td></tr>
8717<tr><td class="num" id="LN8607">8607</td><td class="line"> args = (<span class='keyword'>char</span>*)malloc(argsLength + 1);</td></tr>
8718<tr><td class="num" id="LN8608">8608</td><td class="line"> <span class='keyword'>if</span> (args == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8719<tr><td class="num" id="LN8609">8609</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8720<tr><td class="num" id="LN8610">8610</td><td class="line"> </td></tr>
8721<tr><td class="num" id="LN8611">8611</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(args, userArgs, argsLength + 1) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
8722<tr><td class="num" id="LN8612">8612</td><td class="line"> free(args);</td></tr>
8723<tr><td class="num" id="LN8613">8613</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8724<tr><td class="num" id="LN8614">8614</td><td class="line"> }</td></tr>
8725<tr><td class="num" id="LN8615">8615</td><td class="line"> }</td></tr>
8726<tr><td class="num" id="LN8616">8616</td><td class="line"> path.UnlockBuffer();</td></tr>
8727<tr><td class="num" id="LN8617">8617</td><td class="line"> device.UnlockBuffer();</td></tr>
8728<tr><td class="num" id="LN8618">8618</td><td class="line"> </td></tr>
8729<tr><td class="num" id="LN8619">8619</td><td class="line"> status = fs_mount(path.LockBuffer(),</td></tr>
8730<tr><td class="num" id="LN8620">8620</td><td class="line"> userDevice != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? device.Path() : <span class='macro'>NULL<span class='expansion'>__null</span></span>,</td></tr>
8731<tr><td class="num" id="LN8621">8621</td><td class="line"> userFileSystem ? fileSystem : <span class='macro'>NULL<span class='expansion'>__null</span></span>, flags, args, <span class='keyword'>false</span>);</td></tr>
8732<tr><td class="num" id="LN8622">8622</td><td class="line"> </td></tr>
8733<tr><td class="num" id="LN8623">8623</td><td class="line"> free(args);</td></tr>
8734<tr><td class="num" id="LN8624">8624</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8735<tr><td class="num" id="LN8625">8625</td><td class="line">}</td></tr>
8736<tr><td class="num" id="LN8626">8626</td><td class="line"> </td></tr>
8737<tr><td class="num" id="LN8627">8627</td><td class="line"> </td></tr>
8738<tr><td class="num" id="LN8628">8628</td><td class="line">status_t</td></tr>
8739<tr><td class="num" id="LN8629">8629</td><td class="line">_user_unmount(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, uint32 flags)</td></tr>
8740<tr><td class="num" id="LN8630">8630</td><td class="line">{</td></tr>
8741<tr><td class="num" id="LN8631">8631</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8742<tr><td class="num" id="LN8632">8632</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8743<tr><td class="num" id="LN8633">8633</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8744<tr><td class="num" id="LN8634">8634</td><td class="line"> </td></tr>
8745<tr><td class="num" id="LN8635">8635</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
8746<tr><td class="num" id="LN8636">8636</td><td class="line"> </td></tr>
8747<tr><td class="num" id="LN8637">8637</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8748<tr><td class="num" id="LN8638">8638</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8749<tr><td class="num" id="LN8639">8639</td><td class="line"> </td></tr>
8750<tr><td class="num" id="LN8640">8640</td><td class="line"> <span class='keyword'>return</span> fs_unmount(path, -1, flags &amp; ~<span class='macro'>B_UNMOUNT_BUSY_PARTITION<span class='expansion'>0x80000000</span></span>, <span class='keyword'>false</span>);</td></tr>
8751<tr><td class="num" id="LN8641">8641</td><td class="line">}</td></tr>
8752<tr><td class="num" id="LN8642">8642</td><td class="line"> </td></tr>
8753<tr><td class="num" id="LN8643">8643</td><td class="line"> </td></tr>
8754<tr><td class="num" id="LN8644">8644</td><td class="line">status_t</td></tr>
8755<tr><td class="num" id="LN8645">8645</td><td class="line">_user_read_fs_info(dev_t device, <span class='keyword'>struct</span> fs_info* userInfo)</td></tr>
8756<tr><td class="num" id="LN8646">8646</td><td class="line">{</td></tr>
8757<tr><td class="num" id="LN8647">8647</td><td class="line"> <span class='keyword'>struct</span> fs_info info;</td></tr>
8758<tr><td class="num" id="LN8648">8648</td><td class="line"> status_t status;</td></tr>
8759<tr><td class="num" id="LN8649">8649</td><td class="line"> </td></tr>
8760<tr><td class="num" id="LN8650">8650</td><td class="line"> <span class='keyword'>if</span> (userInfo == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8761<tr><td class="num" id="LN8651">8651</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8762<tr><td class="num" id="LN8652">8652</td><td class="line"> </td></tr>
8763<tr><td class="num" id="LN8653">8653</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userInfo)<span class='expansion'>((addr_t)(userInfo) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
8764<tr><td class="num" id="LN8654">8654</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8765<tr><td class="num" id="LN8655">8655</td><td class="line"> </td></tr>
8766<tr><td class="num" id="LN8656">8656</td><td class="line"> status = fs_read_info(device, &amp;info);</td></tr>
8767<tr><td class="num" id="LN8657">8657</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8768<tr><td class="num" id="LN8658">8658</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8769<tr><td class="num" id="LN8659">8659</td><td class="line"> </td></tr>
8770<tr><td class="num" id="LN8660">8660</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userInfo, &amp;info, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> fs_info)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8771<tr><td class="num" id="LN8661">8661</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8772<tr><td class="num" id="LN8662">8662</td><td class="line"> </td></tr>
8773<tr><td class="num" id="LN8663">8663</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
8774<tr><td class="num" id="LN8664">8664</td><td class="line">}</td></tr>
8775<tr><td class="num" id="LN8665">8665</td><td class="line"> </td></tr>
8776<tr><td class="num" id="LN8666">8666</td><td class="line"> </td></tr>
8777<tr><td class="num" id="LN8667">8667</td><td class="line">status_t</td></tr>
8778<tr><td class="num" id="LN8668">8668</td><td class="line">_user_write_fs_info(dev_t device, <span class='keyword'>const</span> <span class='keyword'>struct</span> fs_info* userInfo, <span class='keyword'>int</span> mask)</td></tr>
8779<tr><td class="num" id="LN8669">8669</td><td class="line">{</td></tr>
8780<tr><td class="num" id="LN8670">8670</td><td class="line"> <span class='keyword'>struct</span> fs_info info;</td></tr>
8781<tr><td class="num" id="LN8671">8671</td><td class="line"> </td></tr>
8782<tr><td class="num" id="LN8672">8672</td><td class="line"> <span class='keyword'>if</span> (userInfo == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8783<tr><td class="num" id="LN8673">8673</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8784<tr><td class="num" id="LN8674">8674</td><td class="line"> </td></tr>
8785<tr><td class="num" id="LN8675">8675</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userInfo)<span class='expansion'>((addr_t)(userInfo) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
8786<tr><td class="num" id="LN8676">8676</td><td class="line"> || user_memcpy(&amp;info, userInfo, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> fs_info)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8787<tr><td class="num" id="LN8677">8677</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8788<tr><td class="num" id="LN8678">8678</td><td class="line"> </td></tr>
8789<tr><td class="num" id="LN8679">8679</td><td class="line"> <span class='keyword'>return</span> fs_write_info(device, &amp;info, mask);</td></tr>
8790<tr><td class="num" id="LN8680">8680</td><td class="line">}</td></tr>
8791<tr><td class="num" id="LN8681">8681</td><td class="line"> </td></tr>
8792<tr><td class="num" id="LN8682">8682</td><td class="line"> </td></tr>
8793<tr><td class="num" id="LN8683">8683</td><td class="line">dev_t</td></tr>
8794<tr><td class="num" id="LN8684">8684</td><td class="line">_user_next_device(int32* _userCookie)</td></tr>
8795<tr><td class="num" id="LN8685">8685</td><td class="line">{</td></tr>
8796<tr><td class="num" id="LN8686">8686</td><td class="line"> int32 cookie;</td></tr>
8797<tr><td class="num" id="LN8687">8687</td><td class="line"> dev_t device;</td></tr>
8798<tr><td class="num" id="LN8688">8688</td><td class="line"> </td></tr>
8799<tr><td class="num" id="LN8689">8689</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(_userCookie)<span class='expansion'>((addr_t)(_userCookie) &lt;= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span></td></tr>
8800<tr><td class="num" id="LN8690">8690</td><td class="line"> || user_memcpy(&amp;cookie, _userCookie, <span class='keyword'>sizeof</span>(int32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8801<tr><td class="num" id="LN8691">8691</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8802<tr><td class="num" id="LN8692">8692</td><td class="line"> </td></tr>
8803<tr><td class="num" id="LN8693">8693</td><td class="line"> device = fs_next_device(&amp;cookie);</td></tr>
8804<tr><td class="num" id="LN8694">8694</td><td class="line"> </td></tr>
8805<tr><td class="num" id="LN8695">8695</td><td class="line"> <span class='keyword'>if</span> (device &gt;= <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
8806<tr><td class="num" id="LN8696">8696</td><td class="line"> <span class='comment'>// update user cookie</span></td></tr>
8807<tr><td class="num" id="LN8697">8697</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(_userCookie, &amp;cookie, <span class='keyword'>sizeof</span>(int32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8808<tr><td class="num" id="LN8698">8698</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8809<tr><td class="num" id="LN8699">8699</td><td class="line"> }</td></tr>
8810<tr><td class="num" id="LN8700">8700</td><td class="line"> </td></tr>
8811<tr><td class="num" id="LN8701">8701</td><td class="line"> <span class='keyword'>return</span> device;</td></tr>
8812<tr><td class="num" id="LN8702">8702</td><td class="line">}</td></tr>
8813<tr><td class="num" id="LN8703">8703</td><td class="line"> </td></tr>
8814<tr><td class="num" id="LN8704">8704</td><td class="line"> </td></tr>
8815<tr><td class="num" id="LN8705">8705</td><td class="line">status_t</td></tr>
8816<tr><td class="num" id="LN8706">8706</td><td class="line">_user_sync(<span class='keyword'>void</span>)</td></tr>
8817<tr><td class="num" id="LN8707">8707</td><td class="line">{</td></tr>
8818<tr><td class="num" id="LN8708">8708</td><td class="line"> <span class='keyword'>return</span> _kern_sync();</td></tr>
8819<tr><td class="num" id="LN8709">8709</td><td class="line">}</td></tr>
8820<tr><td class="num" id="LN8710">8710</td><td class="line"> </td></tr>
8821<tr><td class="num" id="LN8711">8711</td><td class="line"> </td></tr>
8822<tr><td class="num" id="LN8712">8712</td><td class="line">status_t</td></tr>
8823<tr><td class="num" id="LN8713">8713</td><td class="line">_user_get_next_fd_info(team_id team, uint32* userCookie, fd_info* userInfo,</td></tr>
8824<tr><td class="num" id="LN8714">8714</td><td class="line"> size_t infoSize)</td></tr>
8825<tr><td class="num" id="LN8715">8715</td><td class="line">{</td></tr>
8826<tr><td class="num" id="LN8716">8716</td><td class="line"> <span class='keyword'>struct</span> fd_info info;</td></tr>
8827<tr><td class="num" id="LN8717">8717</td><td class="line"> uint32 cookie;</td></tr>
8828<tr><td class="num" id="LN8718">8718</td><td class="line"> </td></tr>
8829<tr><td class="num" id="LN8719">8719</td><td class="line"> <span class='comment'>// only root can do this (or should root's group be enough?)</span></td></tr>
8830<tr><td class="num" id="LN8720">8720</td><td class="line"> <span class='keyword'>if</span> (geteuid() != 0)</td></tr>
8831<tr><td class="num" id="LN8721">8721</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
8832<tr><td class="num" id="LN8722">8722</td><td class="line"> </td></tr>
8833<tr><td class="num" id="LN8723">8723</td><td class="line"> <span class='keyword'>if</span> (infoSize != <span class='keyword'>sizeof</span>(fd_info))</td></tr>
8834<tr><td class="num" id="LN8724">8724</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8835<tr><td class="num" id="LN8725">8725</td><td class="line"> </td></tr>
8836<tr><td class="num" id="LN8726">8726</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userCookie)<span class='expansion'>((addr_t)(userCookie) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span> || !<span class='macro'>IS_USER_ADDRESS(userInfo)<span class='expansion'>((addr_t)(userInfo) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
8837<tr><td class="num" id="LN8727">8727</td><td class="line"> || user_memcpy(&amp;cookie, userCookie, <span class='keyword'>sizeof</span>(uint32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8838<tr><td class="num" id="LN8728">8728</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8839<tr><td class="num" id="LN8729">8729</td><td class="line"> </td></tr>
8840<tr><td class="num" id="LN8730">8730</td><td class="line"> status_t status = _kern_get_next_fd_info(team, &amp;cookie, &amp;info, infoSize);</td></tr>
8841<tr><td class="num" id="LN8731">8731</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8842<tr><td class="num" id="LN8732">8732</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8843<tr><td class="num" id="LN8733">8733</td><td class="line"> </td></tr>
8844<tr><td class="num" id="LN8734">8734</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userCookie, &amp;cookie, <span class='keyword'>sizeof</span>(uint32)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
8845<tr><td class="num" id="LN8735">8735</td><td class="line"> || user_memcpy(userInfo, &amp;info, infoSize) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8846<tr><td class="num" id="LN8736">8736</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8847<tr><td class="num" id="LN8737">8737</td><td class="line"> </td></tr>
8848<tr><td class="num" id="LN8738">8738</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8849<tr><td class="num" id="LN8739">8739</td><td class="line">}</td></tr>
8850<tr><td class="num" id="LN8740">8740</td><td class="line"> </td></tr>
8851<tr><td class="num" id="LN8741">8741</td><td class="line"> </td></tr>
8852<tr><td class="num" id="LN8742">8742</td><td class="line">status_t</td></tr>
8853<tr><td class="num" id="LN8743">8743</td><td class="line">_user_entry_ref_to_path(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* leaf,</td></tr>
8854<tr><td class="num" id="LN8744">8744</td><td class="line"> <span class='keyword'>char</span>* userPath, size_t pathLength)</td></tr>
8855<tr><td class="num" id="LN8745">8745</td><td class="line">{</td></tr>
8856<tr><td class="num" id="LN8746">8746</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
8857<tr><td class="num" id="LN8747">8747</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8858<tr><td class="num" id="LN8748">8748</td><td class="line"> </td></tr>
8859<tr><td class="num" id="LN8749">8749</td><td class="line"> KPath path(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8860<tr><td class="num" id="LN8750">8750</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8861<tr><td class="num" id="LN8751">8751</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8862<tr><td class="num" id="LN8752">8752</td><td class="line"> </td></tr>
8863<tr><td class="num" id="LN8753">8753</td><td class="line"> <span class='comment'>// copy the leaf name onto the stack</span></td></tr>
8864<tr><td class="num" id="LN8754">8754</td><td class="line"> <span class='keyword'>char</span> stackLeaf[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
8865<tr><td class="num" id="LN8755">8755</td><td class="line"> <span class='keyword'>if</span> (leaf) {</td></tr>
8866<tr><td class="num" id="LN8756">8756</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(leaf)<span class='expansion'>((addr_t)(leaf) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>)</td></tr>
8867<tr><td class="num" id="LN8757">8757</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8868<tr><td class="num" id="LN8758">8758</td><td class="line"> </td></tr>
8869<tr><td class="num" id="LN8759">8759</td><td class="line"> <span class='keyword'>int</span> length = user_strlcpy(stackLeaf, leaf, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>);</td></tr>
8870<tr><td class="num" id="LN8760">8760</td><td class="line"> <span class='keyword'>if</span> (length &lt; 0)</td></tr>
8871<tr><td class="num" id="LN8761">8761</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
8872<tr><td class="num" id="LN8762">8762</td><td class="line"> <span class='keyword'>if</span> (length &gt;= <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>)</td></tr>
8873<tr><td class="num" id="LN8763">8763</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
8874<tr><td class="num" id="LN8764">8764</td><td class="line"> </td></tr>
8875<tr><td class="num" id="LN8765">8765</td><td class="line"> leaf = stackLeaf;</td></tr>
8876<tr><td class="num" id="LN8766">8766</td><td class="line"> }</td></tr>
8877<tr><td class="num" id="LN8767">8767</td><td class="line"> </td></tr>
8878<tr><td class="num" id="LN8768">8768</td><td class="line"> status_t status = vfs_entry_ref_to_path(device, inode, leaf,</td></tr>
8879<tr><td class="num" id="LN8769">8769</td><td class="line"> path.LockBuffer(), path.BufferSize());</td></tr>
8880<tr><td class="num" id="LN8770">8770</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8881<tr><td class="num" id="LN8771">8771</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
8882<tr><td class="num" id="LN8772">8772</td><td class="line"> </td></tr>
8883<tr><td class="num" id="LN8773">8773</td><td class="line"> path.UnlockBuffer();</td></tr>
8884<tr><td class="num" id="LN8774">8774</td><td class="line"> </td></tr>
8885<tr><td class="num" id="LN8775">8775</td><td class="line"> <span class='keyword'>int</span> length = user_strlcpy(userPath, path.Path(), pathLength);</td></tr>
8886<tr><td class="num" id="LN8776">8776</td><td class="line"> <span class='keyword'>if</span> (length &lt; 0)</td></tr>
8887<tr><td class="num" id="LN8777">8777</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
8888<tr><td class="num" id="LN8778">8778</td><td class="line"> <span class='keyword'>if</span> (length &gt;= (<span class='keyword'>int</span>)pathLength)</td></tr>
8889<tr><td class="num" id="LN8779">8779</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
8890<tr><td class="num" id="LN8780">8780</td><td class="line"> </td></tr>
8891<tr><td class="num" id="LN8781">8781</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
8892<tr><td class="num" id="LN8782">8782</td><td class="line">}</td></tr>
8893<tr><td class="num" id="LN8783">8783</td><td class="line"> </td></tr>
8894<tr><td class="num" id="LN8784">8784</td><td class="line"> </td></tr>
8895<tr><td class="num" id="LN8785">8785</td><td class="line">status_t</td></tr>
8896<tr><td class="num" id="LN8786">8786</td><td class="line">_user_normalize_path(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLink, <span class='keyword'>char</span>* buffer)</td></tr>
8897<tr><td class="num" id="LN8787">8787</td><td class="line">{</td></tr>
8898<tr><td class="num" id="LN8788">8788</td><td class="line"> <span class='keyword'>if</span> (userPath == <span class='macro'>NULL<span class='expansion'>__null</span></span> || buffer == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8899<tr><td class="num" id="LN8789">8789</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8900<tr><td class="num" id="LN8790">8790</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span> || !<span class='macro'>IS_USER_ADDRESS(buffer)<span class='expansion'>((addr_t)(buffer) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)))</span></span>)</td></tr>
8901<tr><td class="num" id="LN8791">8791</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8902<tr><td class="num" id="LN8792">8792</td><td class="line"> </td></tr>
8903<tr><td class="num" id="LN8793">8793</td><td class="line"> <span class='comment'>// copy path from userland</span></td></tr>
8904<tr><td class="num" id="LN8794">8794</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8905<tr><td class="num" id="LN8795">8795</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8906<tr><td class="num" id="LN8796">8796</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8907<tr><td class="num" id="LN8797">8797</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
8908<tr><td class="num" id="LN8798">8798</td><td class="line"> </td></tr>
8909<tr><td class="num" id="LN8799">8799</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8910<tr><td class="num" id="LN8800">8800</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8911<tr><td class="num" id="LN8801">8801</td><td class="line"> </td></tr>
8912<tr><td class="num" id="LN8802">8802</td><td class="line"> status_t error = normalize_path(path, pathBuffer.BufferSize(), traverseLink,</td></tr>
8913<tr><td class="num" id="LN8803">8803</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
8914<tr><td class="num" id="LN8804">8804</td><td class="line"> <span class='keyword'>if</span> (error != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8915<tr><td class="num" id="LN8805">8805</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
8916<tr><td class="num" id="LN8806">8806</td><td class="line"> </td></tr>
8917<tr><td class="num" id="LN8807">8807</td><td class="line"> <span class='comment'>// copy back to userland</span></td></tr>
8918<tr><td class="num" id="LN8808">8808</td><td class="line"> <span class='keyword'>int</span> len = user_strlcpy(buffer, path, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
8919<tr><td class="num" id="LN8809">8809</td><td class="line"> <span class='keyword'>if</span> (len &lt; 0)</td></tr>
8920<tr><td class="num" id="LN8810">8810</td><td class="line"> <span class='keyword'>return</span> len;</td></tr>
8921<tr><td class="num" id="LN8811">8811</td><td class="line"> <span class='keyword'>if</span> (len &gt;= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
8922<tr><td class="num" id="LN8812">8812</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
8923<tr><td class="num" id="LN8813">8813</td><td class="line"> </td></tr>
8924<tr><td class="num" id="LN8814">8814</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
8925<tr><td class="num" id="LN8815">8815</td><td class="line">}</td></tr>
8926<tr><td class="num" id="LN8816">8816</td><td class="line"> </td></tr>
8927<tr><td class="num" id="LN8817">8817</td><td class="line"> </td></tr>
8928<tr><td class="num" id="LN8818">8818</td><td class="line"><span class='keyword'>int</span></td></tr>
8929<tr><td class="num" id="LN8819">8819</td><td class="line">_user_open_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName,</td></tr>
8930<tr><td class="num" id="LN8820">8820</td><td class="line"> <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms)</td></tr>
8931<tr><td class="num" id="LN8821">8821</td><td class="line">{</td></tr>
8932<tr><td class="num" id="LN8822">8822</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
8933<tr><td class="num" id="LN8823">8823</td><td class="line"> </td></tr>
8934<tr><td class="num" id="LN8824">8824</td><td class="line"> <span class='keyword'>if</span> (userName == <span class='macro'>NULL<span class='expansion'>__null</span></span> || device &lt; 0 || inode &lt; 0)</td></tr>
8935<tr><td class="num" id="LN8825">8825</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
8936<tr><td class="num" id="LN8826">8826</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
8937<tr><td class="num" id="LN8827">8827</td><td class="line"> || user_strlcpy(name, userName, <span class='keyword'>sizeof</span>(name)) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8938<tr><td class="num" id="LN8828">8828</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8939<tr><td class="num" id="LN8829">8829</td><td class="line"> </td></tr>
8940<tr><td class="num" id="LN8830">8830</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
8941<tr><td class="num" id="LN8831">8831</td><td class="line"> <span class='keyword'>return</span> file_create_entry_ref(device, inode, name, openMode, perms,</td></tr>
8942<tr><td class="num" id="LN8832">8832</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
8943<tr><td class="num" id="LN8833">8833</td><td class="line"> }</td></tr>
8944<tr><td class="num" id="LN8834">8834</td><td class="line"> </td></tr>
8945<tr><td class="num" id="LN8835">8835</td><td class="line"> <span class='keyword'>return</span> file_open_entry_ref(device, inode, name, openMode, <span class='keyword'>false</span>);</td></tr>
8946<tr><td class="num" id="LN8836">8836</td><td class="line">}</td></tr>
8947<tr><td class="num" id="LN8837">8837</td><td class="line"> </td></tr>
8948<tr><td class="num" id="LN8838">8838</td><td class="line"> </td></tr>
8949<tr><td class="num" id="LN8839">8839</td><td class="line"><span class='keyword'>int</span></td></tr>
8950<tr><td class="num" id="LN8840">8840</td><td class="line">_user_open(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> openMode, <span class='keyword'>int</span> perms)</td></tr>
8951<tr><td class="num" id="LN8841">8841</td><td class="line">{</td></tr>
8952<tr><td class="num" id="LN8842">8842</td><td class="line"> KPath path(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8953<tr><td class="num" id="LN8843">8843</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8954<tr><td class="num" id="LN8844">8844</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8955<tr><td class="num" id="LN8845">8845</td><td class="line"> </td></tr>
8956<tr><td class="num" id="LN8846">8846</td><td class="line"> <span class='keyword'>char</span>* buffer = path.LockBuffer();</td></tr>
8957<tr><td class="num" id="LN8847">8847</td><td class="line"> </td></tr>
8958<tr><td class="num" id="LN8848">8848</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
8959<tr><td class="num" id="LN8849">8849</td><td class="line"> || user_strlcpy(buffer, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8960<tr><td class="num" id="LN8850">8850</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8961<tr><td class="num" id="LN8851">8851</td><td class="line"> </td></tr>
8962<tr><td class="num" id="LN8852">8852</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0)</td></tr>
8963<tr><td class="num" id="LN8853">8853</td><td class="line"> <span class='keyword'>return</span> file_create(fd, buffer, openMode, perms, <span class='keyword'>false</span>);</td></tr>
8964<tr><td class="num" id="LN8854">8854</td><td class="line"> </td></tr>
8965<tr><td class="num" id="LN8855">8855</td><td class="line"> <span class='keyword'>return</span> file_open(fd, buffer, openMode, <span class='keyword'>false</span>);</td></tr>
8966<tr><td class="num" id="LN8856">8856</td><td class="line">}</td></tr>
8967<tr><td class="num" id="LN8857">8857</td><td class="line"> </td></tr>
8968<tr><td class="num" id="LN8858">8858</td><td class="line"> </td></tr>
8969<tr><td class="num" id="LN8859">8859</td><td class="line"><span class='keyword'>int</span></td></tr>
8970<tr><td class="num" id="LN8860">8860</td><td class="line">_user_open_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName)</td></tr>
8971<tr><td class="num" id="LN8861">8861</td><td class="line">{</td></tr>
8972<tr><td class="num" id="LN8862">8862</td><td class="line"> <span class='keyword'>if</span> (userName != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
8973<tr><td class="num" id="LN8863">8863</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
8974<tr><td class="num" id="LN8864">8864</td><td class="line"> </td></tr>
8975<tr><td class="num" id="LN8865">8865</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
8976<tr><td class="num" id="LN8866">8866</td><td class="line"> || user_strlcpy(name, userName, <span class='keyword'>sizeof</span>(name)) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8977<tr><td class="num" id="LN8867">8867</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
8978<tr><td class="num" id="LN8868">8868</td><td class="line"> </td></tr>
8979<tr><td class="num" id="LN8869">8869</td><td class="line"> <span class='keyword'>return</span> dir_open_entry_ref(device, inode, name, <span class='keyword'>false</span>);</td></tr>
8980<tr><td class="num" id="LN8870">8870</td><td class="line"> }</td></tr>
8981<tr><td class="num" id="LN8871">8871</td><td class="line"> <span class='keyword'>return</span> dir_open_entry_ref(device, inode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
8982<tr><td class="num" id="LN8872">8872</td><td class="line">}</td></tr>
8983<tr><td class="num" id="LN8873">8873</td><td class="line"> </td></tr>
8984<tr><td class="num" id="LN8874">8874</td><td class="line"> </td></tr>
8985<tr><td class="num" id="LN8875">8875</td><td class="line"><span class='keyword'>int</span></td></tr>
8986<tr><td class="num" id="LN8876">8876</td><td class="line">_user_open_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
8987<tr><td class="num" id="LN8877">8877</td><td class="line">{</td></tr>
8988<tr><td class="num" id="LN8878">8878</td><td class="line"> <span class='keyword'>if</span> (userPath == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
8989<tr><td class="num" id="LN8879">8879</td><td class="line"> <span class='keyword'>return</span> dir_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
8990<tr><td class="num" id="LN8880">8880</td><td class="line"> </td></tr>
8991<tr><td class="num" id="LN8881">8881</td><td class="line"> KPath path(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
8992<tr><td class="num" id="LN8882">8882</td><td class="line"> <span class='keyword'>if</span> (path.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8993<tr><td class="num" id="LN8883">8883</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
8994<tr><td class="num" id="LN8884">8884</td><td class="line"> </td></tr>
8995<tr><td class="num" id="LN8885">8885</td><td class="line"> <span class='keyword'>char</span>* buffer = path.LockBuffer();</td></tr>
8996<tr><td class="num" id="LN8886">8886</td><td class="line"> </td></tr>
8997<tr><td class="num" id="LN8887">8887</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
8998<tr><td class="num" id="LN8888">8888</td><td class="line"> || user_strlcpy(buffer, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
8999<tr><td class="num" id="LN8889">8889</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9000<tr><td class="num" id="LN8890">8890</td><td class="line"> </td></tr>
9001<tr><td class="num" id="LN8891">8891</td><td class="line"> <span class='keyword'>return</span> dir_open(fd, buffer, <span class='keyword'>false</span>);</td></tr>
9002<tr><td class="num" id="LN8892">8892</td><td class="line">}</td></tr>
9003<tr><td class="num" id="LN8893">8893</td><td class="line"> </td></tr>
9004<tr><td class="num" id="LN8894">8894</td><td class="line"> </td></tr>
9005<tr><td class="num" id="LN8895">8895</td><td class="line"><span class='comment'>/*! \brief Opens a directory's parent directory and returns the entry name</span></td></tr>
9006<tr><td class="num" id="LN8896">8896</td><td class="line"> <span class='comment'>of the former.</span></td></tr>
9007<tr><td class="num" id="LN8897">8897</td><td class="line"> </td></tr>
9008<tr><td class="num" id="LN8898">8898</td><td class="line"> <span class='comment'>Aside from that it returns the directory's entry name, this method is</span></td></tr>
9009<tr><td class="num" id="LN8899">8899</td><td class="line"> <span class='comment'>equivalent to \code _user_open_dir(fd, "..") \endcode. It really is</span></td></tr>
9010<tr><td class="num" id="LN8900">8900</td><td class="line"> <span class='comment'>equivalent, if \a userName is \c NULL.</span></td></tr>
9011<tr><td class="num" id="LN8901">8901</td><td class="line"> </td></tr>
9012<tr><td class="num" id="LN8902">8902</td><td class="line"> <span class='comment'>If a name buffer is supplied and the name does not fit the buffer, the</span></td></tr>
9013<tr><td class="num" id="LN8903">8903</td><td class="line"> <span class='comment'>function fails. A buffer of size \c B_FILE_NAME_LENGTH should be safe.</span></td></tr>
9014<tr><td class="num" id="LN8904">8904</td><td class="line"> </td></tr>
9015<tr><td class="num" id="LN8905">8905</td><td class="line"> <span class='comment'>\param fd A FD referring to a directory.</span></td></tr>
9016<tr><td class="num" id="LN8906">8906</td><td class="line"> <span class='comment'>\param userName Buffer the directory's entry name shall be written into.</span></td></tr>
9017<tr><td class="num" id="LN8907">8907</td><td class="line"> <span class='comment'>May be \c NULL.</span></td></tr>
9018<tr><td class="num" id="LN8908">8908</td><td class="line"> <span class='comment'>\param nameLength Size of the name buffer.</span></td></tr>
9019<tr><td class="num" id="LN8909">8909</td><td class="line"> <span class='comment'>\return The file descriptor of the opened parent directory, if everything</span></td></tr>
9020<tr><td class="num" id="LN8910">8910</td><td class="line"> <span class='comment'>went fine, an error code otherwise.</span></td></tr>
9021<tr><td class="num" id="LN8911">8911</td><td class="line"><span class='comment'>*/</span></td></tr>
9022<tr><td class="num" id="LN8912">8912</td><td class="line"><span class='keyword'>int</span></td></tr>
9023<tr><td class="num" id="LN8913">8913</td><td class="line">_user_open_parent_dir(<span class='keyword'>int</span> fd, <span class='keyword'>char</span>* userName, size_t nameLength)</td></tr>
9024<tr><td class="num" id="LN8914">8914</td><td class="line">{</td></tr>
9025<tr><td class="num" id="LN8915">8915</td><td class="line"> <span class='keyword'>bool</span> kernel = <span class='keyword'>false</span>;</td></tr>
9026<tr><td class="num" id="LN8916">8916</td><td class="line"> </td></tr>
9027<tr><td class="num" id="LN8917">8917</td><td class="line"> <span class='keyword'>if</span> (userName &amp;&amp; !<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
9028<tr><td class="num" id="LN8918">8918</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9029<tr><td class="num" id="LN8919">8919</td><td class="line"> </td></tr>
9030<tr><td class="num" id="LN8920">8920</td><td class="line"> <span class='comment'>// open the parent dir</span></td></tr>
9031<tr><td class="num" id="LN8921">8921</td><td class="line"> <span class='keyword'>int</span> parentFD = dir_open(fd, (<span class='keyword'>char</span>*)<span class='string_literal'>".."</span>, kernel);</td></tr>
9032<tr><td class="num" id="LN8922">8922</td><td class="line"> <span class='keyword'>if</span> (parentFD &lt; 0)</td></tr>
9033<tr><td class="num" id="LN8923">8923</td><td class="line"> <span class='keyword'>return</span> parentFD;</td></tr>
9034<tr><td class="num" id="LN8924">8924</td><td class="line"> FDCloser fdCloser(parentFD, kernel);</td></tr>
9035<tr><td class="num" id="LN8925">8925</td><td class="line"> </td></tr>
9036<tr><td class="num" id="LN8926">8926</td><td class="line"> <span class='keyword'>if</span> (userName) {</td></tr>
9037<tr><td class="num" id="LN8927">8927</td><td class="line"> <span class='comment'>// get the vnodes</span></td></tr>
9038<tr><td class="num" id="LN8928">8928</td><td class="line"> <span class='keyword'>struct</span> vnode* parentVNode = get_vnode_from_fd(parentFD, kernel);</td></tr>
9039<tr><td class="num" id="LN8929">8929</td><td class="line"> <span class='keyword'>struct</span> vnode* dirVNode = get_vnode_from_fd(fd, kernel);</td></tr>
9040<tr><td class="num" id="LN8930">8930</td><td class="line"> VNodePutter parentVNodePutter(parentVNode);</td></tr>
9041<tr><td class="num" id="LN8931">8931</td><td class="line"> VNodePutter dirVNodePutter(dirVNode);</td></tr>
9042<tr><td class="num" id="LN8932">8932</td><td class="line"> <span class='keyword'>if</span> (!parentVNode || !dirVNode)</td></tr>
9043<tr><td class="num" id="LN8933">8933</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
9044<tr><td class="num" id="LN8934">8934</td><td class="line"> </td></tr>
9045<tr><td class="num" id="LN8935">8935</td><td class="line"> <span class='comment'>// get the vnode name</span></td></tr>
9046<tr><td class="num" id="LN8936">8936</td><td class="line"> <span class='keyword'>char</span> _buffer[<span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> dirent) + <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9047<tr><td class="num" id="LN8937">8937</td><td class="line"> <span class='keyword'>struct</span> dirent* buffer = (<span class='keyword'>struct</span> dirent*)_buffer;</td></tr>
9048<tr><td class="num" id="LN8938">8938</td><td class="line"> status_t status = get_vnode_name(dirVNode, parentVNode, buffer,</td></tr>
9049<tr><td class="num" id="LN8939">8939</td><td class="line"> <span class='keyword'>sizeof</span>(_buffer), get_current_io_context(<span class='keyword'>false</span>));</td></tr>
9050<tr><td class="num" id="LN8940">8940</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9051<tr><td class="num" id="LN8941">8941</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9052<tr><td class="num" id="LN8942">8942</td><td class="line"> </td></tr>
9053<tr><td class="num" id="LN8943">8943</td><td class="line"> <span class='comment'>// copy the name to the userland buffer</span></td></tr>
9054<tr><td class="num" id="LN8944">8944</td><td class="line"> <span class='keyword'>int</span> len = user_strlcpy(userName, buffer-&gt;d_name, nameLength);</td></tr>
9055<tr><td class="num" id="LN8945">8945</td><td class="line"> <span class='keyword'>if</span> (len &lt; 0)</td></tr>
9056<tr><td class="num" id="LN8946">8946</td><td class="line"> <span class='keyword'>return</span> len;</td></tr>
9057<tr><td class="num" id="LN8947">8947</td><td class="line"> <span class='keyword'>if</span> (len &gt;= (<span class='keyword'>int</span>)nameLength)</td></tr>
9058<tr><td class="num" id="LN8948">8948</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span>;</td></tr>
9059<tr><td class="num" id="LN8949">8949</td><td class="line"> }</td></tr>
9060<tr><td class="num" id="LN8950">8950</td><td class="line"> </td></tr>
9061<tr><td class="num" id="LN8951">8951</td><td class="line"> <span class='keyword'>return</span> fdCloser.Detach();</td></tr>
9062<tr><td class="num" id="LN8952">8952</td><td class="line">}</td></tr>
9063<tr><td class="num" id="LN8953">8953</td><td class="line"> </td></tr>
9064<tr><td class="num" id="LN8954">8954</td><td class="line"> </td></tr>
9065<tr><td class="num" id="LN8955">8955</td><td class="line">status_t</td></tr>
9066<tr><td class="num" id="LN8956">8956</td><td class="line">_user_fcntl(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> op, size_t argument)</td></tr>
9067<tr><td class="num" id="LN8957">8957</td><td class="line">{</td></tr>
9068<tr><td class="num" id="LN8958">8958</td><td class="line"> status_t status = common_fcntl(fd, op, argument, <span class='keyword'>false</span>);</td></tr>
9069<tr><td class="num" id="LN8959">8959</td><td class="line"> <span class='keyword'>if</span> (op == <span class='macro'>F_SETLKW<span class='expansion'>0x0100</span></span>)</td></tr>
9070<tr><td class="num" id="LN8960">8960</td><td class="line"> syscall_restart_handle_post(status);</td></tr>
9071<tr><td class="num" id="LN8961">8961</td><td class="line"> </td></tr>
9072<tr><td class="num" id="LN8962">8962</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9073<tr><td class="num" id="LN8963">8963</td><td class="line">}</td></tr>
9074<tr><td class="num" id="LN8964">8964</td><td class="line"> </td></tr>
9075<tr><td class="num" id="LN8965">8965</td><td class="line"> </td></tr>
9076<tr><td class="num" id="LN8966">8966</td><td class="line">status_t</td></tr>
9077<tr><td class="num" id="LN8967">8967</td><td class="line">_user_fsync(<span class='keyword'>int</span> fd)</td></tr>
9078<tr><td class="num" id="LN8968">8968</td><td class="line">{</td></tr>
9079<tr><td class="num" id="LN8969">8969</td><td class="line"> <span class='keyword'>return</span> common_sync(fd, <span class='keyword'>false</span>);</td></tr>
9080<tr><td class="num" id="LN8970">8970</td><td class="line">}</td></tr>
9081<tr><td class="num" id="LN8971">8971</td><td class="line"> </td></tr>
9082<tr><td class="num" id="LN8972">8972</td><td class="line"> </td></tr>
9083<tr><td class="num" id="LN8973">8973</td><td class="line">status_t</td></tr>
9084<tr><td class="num" id="LN8974">8974</td><td class="line">_user_flock(<span class='keyword'>int</span> fd, <span class='keyword'>int</span> operation)</td></tr>
9085<tr><td class="num" id="LN8975">8975</td><td class="line">{</td></tr>
9086<tr><td class="num" id="LN8976">8976</td><td class="line"> <span class='macro'>FUNCTION((<span class='string_literal'>"_user_fcntl(fd = %d, op = %d)\n"</span>, fd, operation))<span class='expansion'>;</span></span>;</td></tr>
9087<tr><td class="num" id="LN8977">8977</td><td class="line"> </td></tr>
9088<tr><td class="num" id="LN8978">8978</td><td class="line"> <span class='comment'>// Check if the operation is valid</span></td></tr>
9089<tr><td class="num" id="LN8979">8979</td><td class="line"> <span class='keyword'>switch</span> (operation &amp; ~<span class='macro'>LOCK_NB<span class='expansion'>0x04</span></span>) {</td></tr>
9090<tr><td class="num" id="LN8980">8980</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>LOCK_UN<span class='expansion'>0x08</span></span>:</td></tr>
9091<tr><td class="num" id="LN8981">8981</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>LOCK_SH<span class='expansion'>0x01</span></span>:</td></tr>
9092<tr><td class="num" id="LN8982">8982</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>LOCK_EX<span class='expansion'>0x02</span></span>:</td></tr>
9093<tr><td class="num" id="LN8983">8983</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
9094<tr><td class="num" id="LN8984">8984</td><td class="line"> </td></tr>
9095<tr><td class="num" id="LN8985">8985</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
9096<tr><td class="num" id="LN8986">8986</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
9097<tr><td class="num" id="LN8987">8987</td><td class="line"> }</td></tr>
9098<tr><td class="num" id="LN8988">8988</td><td class="line"> </td></tr>
9099<tr><td class="num" id="LN8989">8989</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor;</td></tr>
9100<tr><td class="num" id="LN8990">8990</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
9101<tr><td class="num" id="LN8991">8991</td><td class="line"> descriptor = get_fd_and_vnode(fd, &amp;vnode, <span class='keyword'>false</span>);</td></tr>
9102<tr><td class="num" id="LN8992">8992</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
9103<tr><td class="num" id="LN8993">8993</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
9104<tr><td class="num" id="LN8994">8994</td><td class="line"> </td></tr>
9105<tr><td class="num" id="LN8995">8995</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;type != FDTYPE_FILE) {</td></tr>
9106<tr><td class="num" id="LN8996">8996</td><td class="line"> put_fd(descriptor);</td></tr>
9107<tr><td class="num" id="LN8997">8997</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
9108<tr><td class="num" id="LN8998">8998</td><td class="line"> }</td></tr>
9109<tr><td class="num" id="LN8999">8999</td><td class="line"> </td></tr>
9110<tr><td class="num" id="LN9000">9000</td><td class="line"> <span class='keyword'>struct</span> flock flock;</td></tr>
9111<tr><td class="num" id="LN9001">9001</td><td class="line"> flock.l_start = 0;</td></tr>
9112<tr><td class="num" id="LN9002">9002</td><td class="line"> flock.l_len = <span class='macro'>OFF_MAX<span class='expansion'>(9223372036854775807LL)</span></span>;</td></tr>
9113<tr><td class="num" id="LN9003">9003</td><td class="line"> flock.l_whence = 0;</td></tr>
9114<tr><td class="num" id="LN9004">9004</td><td class="line"> flock.l_type = (operation &amp; <span class='macro'>LOCK_SH<span class='expansion'>0x01</span></span>) != 0 ? <span class='macro'>F_RDLCK<span class='expansion'>0x0040</span></span> : <span class='macro'>F_WRLCK<span class='expansion'>0x0400</span></span>;</td></tr>
9115<tr><td class="num" id="LN9005">9005</td><td class="line"> </td></tr>
9116<tr><td class="num" id="LN9006">9006</td><td class="line"> status_t status;</td></tr>
9117<tr><td class="num" id="LN9007">9007</td><td class="line"> <span class='keyword'>if</span> ((operation &amp; <span class='macro'>LOCK_UN<span class='expansion'>0x08</span></span>) != 0)</td></tr>
9118<tr><td class="num" id="LN9008">9008</td><td class="line"> status = release_advisory_lock(vnode, &amp;flock);</td></tr>
9119<tr><td class="num" id="LN9009">9009</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
9120<tr><td class="num" id="LN9010">9010</td><td class="line"> status = acquire_advisory_lock(vnode,</td></tr>
9121<tr><td class="num" id="LN9011">9011</td><td class="line"> <span class='macro'>thread_get_current_thread<span class='expansion'>arch_thread_get_current_thread</span></span>()-&gt;team-&gt;session_id, &amp;flock,</td></tr>
9122<tr><td class="num" id="LN9012">9012</td><td class="line"> (operation &amp; <span class='macro'>LOCK_NB<span class='expansion'>0x04</span></span>) == 0);</td></tr>
9123<tr><td class="num" id="LN9013">9013</td><td class="line"> }</td></tr>
9124<tr><td class="num" id="LN9014">9014</td><td class="line"> </td></tr>
9125<tr><td class="num" id="LN9015">9015</td><td class="line"> syscall_restart_handle_post(status);</td></tr>
9126<tr><td class="num" id="LN9016">9016</td><td class="line"> </td></tr>
9127<tr><td class="num" id="LN9017">9017</td><td class="line"> put_fd(descriptor);</td></tr>
9128<tr><td class="num" id="LN9018">9018</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9129<tr><td class="num" id="LN9019">9019</td><td class="line">}</td></tr>
9130<tr><td class="num" id="LN9020">9020</td><td class="line"> </td></tr>
9131<tr><td class="num" id="LN9021">9021</td><td class="line"> </td></tr>
9132<tr><td class="num" id="LN9022">9022</td><td class="line">status_t</td></tr>
9133<tr><td class="num" id="LN9023">9023</td><td class="line">_user_lock_node(<span class='keyword'>int</span> fd)</td></tr>
9134<tr><td class="num" id="LN9024">9024</td><td class="line">{</td></tr>
9135<tr><td class="num" id="LN9025">9025</td><td class="line"> <span class='keyword'>return</span> common_lock_node(fd, <span class='keyword'>false</span>);</td></tr>
9136<tr><td class="num" id="LN9026">9026</td><td class="line">}</td></tr>
9137<tr><td class="num" id="LN9027">9027</td><td class="line"> </td></tr>
9138<tr><td class="num" id="LN9028">9028</td><td class="line"> </td></tr>
9139<tr><td class="num" id="LN9029">9029</td><td class="line">status_t</td></tr>
9140<tr><td class="num" id="LN9030">9030</td><td class="line">_user_unlock_node(<span class='keyword'>int</span> fd)</td></tr>
9141<tr><td class="num" id="LN9031">9031</td><td class="line">{</td></tr>
9142<tr><td class="num" id="LN9032">9032</td><td class="line"> <span class='keyword'>return</span> common_unlock_node(fd, <span class='keyword'>false</span>);</td></tr>
9143<tr><td class="num" id="LN9033">9033</td><td class="line">}</td></tr>
9144<tr><td class="num" id="LN9034">9034</td><td class="line"> </td></tr>
9145<tr><td class="num" id="LN9035">9035</td><td class="line"> </td></tr>
9146<tr><td class="num" id="LN9036">9036</td><td class="line">status_t</td></tr>
9147<tr><td class="num" id="LN9037">9037</td><td class="line">_user_create_dir_entry_ref(dev_t device, ino_t inode, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName,</td></tr>
9148<tr><td class="num" id="LN9038">9038</td><td class="line"> <span class='keyword'>int</span> perms)</td></tr>
9149<tr><td class="num" id="LN9039">9039</td><td class="line">{</td></tr>
9150<tr><td class="num" id="LN9040">9040</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9151<tr><td class="num" id="LN9041">9041</td><td class="line"> status_t status;</td></tr>
9152<tr><td class="num" id="LN9042">9042</td><td class="line"> </td></tr>
9153<tr><td class="num" id="LN9043">9043</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
9154<tr><td class="num" id="LN9044">9044</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9155<tr><td class="num" id="LN9045">9045</td><td class="line"> </td></tr>
9156<tr><td class="num" id="LN9046">9046</td><td class="line"> status = user_strlcpy(name, userName, <span class='keyword'>sizeof</span>(name));</td></tr>
9157<tr><td class="num" id="LN9047">9047</td><td class="line"> <span class='keyword'>if</span> (status &lt; 0)</td></tr>
9158<tr><td class="num" id="LN9048">9048</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9159<tr><td class="num" id="LN9049">9049</td><td class="line"> </td></tr>
9160<tr><td class="num" id="LN9050">9050</td><td class="line"> <span class='keyword'>return</span> dir_create_entry_ref(device, inode, name, perms, <span class='keyword'>false</span>);</td></tr>
9161<tr><td class="num" id="LN9051">9051</td><td class="line">}</td></tr>
9162<tr><td class="num" id="LN9052">9052</td><td class="line"> </td></tr>
9163<tr><td class="num" id="LN9053">9053</td><td class="line"> </td></tr>
9164<tr><td class="num" id="LN9054">9054</td><td class="line">status_t</td></tr>
9165<tr><td class="num" id="LN9055">9055</td><td class="line">_user_create_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> perms)</td></tr>
9166<tr><td class="num" id="LN9056">9056</td><td class="line">{</td></tr>
9167<tr><td class="num" id="LN9057">9057</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9168<tr><td class="num" id="LN9058">9058</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9169<tr><td class="num" id="LN9059">9059</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9170<tr><td class="num" id="LN9060">9060</td><td class="line"> </td></tr>
9171<tr><td class="num" id="LN9061">9061</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9172<tr><td class="num" id="LN9062">9062</td><td class="line"> </td></tr>
9173<tr><td class="num" id="LN9063">9063</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9174<tr><td class="num" id="LN9064">9064</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9175<tr><td class="num" id="LN9065">9065</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9176<tr><td class="num" id="LN9066">9066</td><td class="line"> </td></tr>
9177<tr><td class="num" id="LN9067">9067</td><td class="line"> <span class='keyword'>return</span> dir_create(fd, path, perms, <span class='keyword'>false</span>);</td></tr>
9178<tr><td class="num" id="LN9068">9068</td><td class="line">}</td></tr>
9179<tr><td class="num" id="LN9069">9069</td><td class="line"> </td></tr>
9180<tr><td class="num" id="LN9070">9070</td><td class="line"> </td></tr>
9181<tr><td class="num" id="LN9071">9071</td><td class="line">status_t</td></tr>
9182<tr><td class="num" id="LN9072">9072</td><td class="line">_user_remove_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
9183<tr><td class="num" id="LN9073">9073</td><td class="line">{</td></tr>
9184<tr><td class="num" id="LN9074">9074</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9185<tr><td class="num" id="LN9075">9075</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9186<tr><td class="num" id="LN9076">9076</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9187<tr><td class="num" id="LN9077">9077</td><td class="line"> </td></tr>
9188<tr><td class="num" id="LN9078">9078</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9189<tr><td class="num" id="LN9079">9079</td><td class="line"> </td></tr>
9190<tr><td class="num" id="LN9080">9080</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
9191<tr><td class="num" id="LN9081">9081</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9192<tr><td class="num" id="LN9082">9082</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9193<tr><td class="num" id="LN9083">9083</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9194<tr><td class="num" id="LN9084">9084</td><td class="line"> }</td></tr>
9195<tr><td class="num" id="LN9085">9085</td><td class="line"> </td></tr>
9196<tr><td class="num" id="LN9086">9086</td><td class="line"> <span class='keyword'>return</span> dir_remove(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
9197<tr><td class="num" id="LN9087">9087</td><td class="line">}</td></tr>
9198<tr><td class="num" id="LN9088">9088</td><td class="line"> </td></tr>
9199<tr><td class="num" id="LN9089">9089</td><td class="line"> </td></tr>
9200<tr><td class="num" id="LN9090">9090</td><td class="line">status_t</td></tr>
9201<tr><td class="num" id="LN9091">9091</td><td class="line">_user_read_link(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>char</span>* userBuffer,</td></tr>
9202<tr><td class="num" id="LN9092">9092</td><td class="line"> size_t* userBufferSize)</td></tr>
9203<tr><td class="num" id="LN9093">9093</td><td class="line">{</td></tr>
9204<tr><td class="num" id="LN9094">9094</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1), linkBuffer;</td></tr>
9205<tr><td class="num" id="LN9095">9095</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || linkBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9206<tr><td class="num" id="LN9096">9096</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9207<tr><td class="num" id="LN9097">9097</td><td class="line"> </td></tr>
9208<tr><td class="num" id="LN9098">9098</td><td class="line"> size_t bufferSize;</td></tr>
9209<tr><td class="num" id="LN9099">9099</td><td class="line"> </td></tr>
9210<tr><td class="num" id="LN9100">9100</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userBuffer)<span class='expansion'>((addr_t)(userBuffer) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span> || !<span class='macro'>IS_USER_ADDRESS(userBufferSize)<span class='expansion'>((addr_t)(userBufferSize) &lt;= (0x0 + ((0x80000000 - 0x10000<br>) - 1)))</span></span></td></tr>
9211<tr><td class="num" id="LN9101">9101</td><td class="line"> || user_memcpy(&amp;bufferSize, userBufferSize, <span class='keyword'>sizeof</span>(size_t)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9212<tr><td class="num" id="LN9102">9102</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9213<tr><td class="num" id="LN9103">9103</td><td class="line"> </td></tr>
9214<tr><td class="num" id="LN9104">9104</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9215<tr><td class="num" id="LN9105">9105</td><td class="line"> <span class='keyword'>char</span>* buffer = linkBuffer.LockBuffer();</td></tr>
9216<tr><td class="num" id="LN9106">9106</td><td class="line"> </td></tr>
9217<tr><td class="num" id="LN9107">9107</td><td class="line"> <span class='keyword'>if</span> (userPath) {</td></tr>
9218<tr><td class="num" id="LN9108">9108</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9219<tr><td class="num" id="LN9109">9109</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9220<tr><td class="num" id="LN9110">9110</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9221<tr><td class="num" id="LN9111">9111</td><td class="line"> </td></tr>
9222<tr><td class="num" id="LN9112">9112</td><td class="line"> <span class='keyword'>if</span> (bufferSize &gt; <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
9223<tr><td class="num" id="LN9113">9113</td><td class="line"> bufferSize = <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>;</td></tr>
9224<tr><td class="num" id="LN9114">9114</td><td class="line"> }</td></tr>
9225<tr><td class="num" id="LN9115">9115</td><td class="line"> </td></tr>
9226<tr><td class="num" id="LN9116">9116</td><td class="line"> status_t status = common_read_link(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, buffer,</td></tr>
9227<tr><td class="num" id="LN9117">9117</td><td class="line"> &amp;bufferSize, <span class='keyword'>false</span>);</td></tr>
9228<tr><td class="num" id="LN9118">9118</td><td class="line"> </td></tr>
9229<tr><td class="num" id="LN9119">9119</td><td class="line"> <span class='comment'>// we also update the bufferSize in case of errors</span></td></tr>
9230<tr><td class="num" id="LN9120">9120</td><td class="line"> <span class='comment'>// (the real length will be returned in case of B_BUFFER_OVERFLOW)</span></td></tr>
9231<tr><td class="num" id="LN9121">9121</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userBufferSize, &amp;bufferSize, <span class='keyword'>sizeof</span>(size_t)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9232<tr><td class="num" id="LN9122">9122</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9233<tr><td class="num" id="LN9123">9123</td><td class="line"> </td></tr>
9234<tr><td class="num" id="LN9124">9124</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9235<tr><td class="num" id="LN9125">9125</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9236<tr><td class="num" id="LN9126">9126</td><td class="line"> </td></tr>
9237<tr><td class="num" id="LN9127">9127</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userBuffer, buffer, bufferSize) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9238<tr><td class="num" id="LN9128">9128</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9239<tr><td class="num" id="LN9129">9129</td><td class="line"> </td></tr>
9240<tr><td class="num" id="LN9130">9130</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
9241<tr><td class="num" id="LN9131">9131</td><td class="line">}</td></tr>
9242<tr><td class="num" id="LN9132">9132</td><td class="line"> </td></tr>
9243<tr><td class="num" id="LN9133">9133</td><td class="line"> </td></tr>
9244<tr><td class="num" id="LN9134">9134</td><td class="line">status_t</td></tr>
9245<tr><td class="num" id="LN9135">9135</td><td class="line">_user_create_symlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>const</span> <span class='keyword'>char</span>* userToPath,</td></tr>
9246<tr><td class="num" id="LN9136">9136</td><td class="line"> <span class='keyword'>int</span> mode)</td></tr>
9247<tr><td class="num" id="LN9137">9137</td><td class="line">{</td></tr>
9248<tr><td class="num" id="LN9138">9138</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9249<tr><td class="num" id="LN9139">9139</td><td class="line"> KPath toPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9250<tr><td class="num" id="LN9140">9140</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9251<tr><td class="num" id="LN9141">9141</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9252<tr><td class="num" id="LN9142">9142</td><td class="line"> </td></tr>
9253<tr><td class="num" id="LN9143">9143</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9254<tr><td class="num" id="LN9144">9144</td><td class="line"> <span class='keyword'>char</span>* toPath = toPathBuffer.LockBuffer();</td></tr>
9255<tr><td class="num" id="LN9145">9145</td><td class="line"> </td></tr>
9256<tr><td class="num" id="LN9146">9146</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9257<tr><td class="num" id="LN9147">9147</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userToPath)<span class='expansion'>((addr_t)(userToPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span></td></tr>
9258<tr><td class="num" id="LN9148">9148</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
9259<tr><td class="num" id="LN9149">9149</td><td class="line"> || user_strlcpy(toPath, userToPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9260<tr><td class="num" id="LN9150">9150</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9261<tr><td class="num" id="LN9151">9151</td><td class="line"> </td></tr>
9262<tr><td class="num" id="LN9152">9152</td><td class="line"> <span class='keyword'>return</span> common_create_symlink(fd, path, toPath, mode, <span class='keyword'>false</span>);</td></tr>
9263<tr><td class="num" id="LN9153">9153</td><td class="line">}</td></tr>
9264<tr><td class="num" id="LN9154">9154</td><td class="line"> </td></tr>
9265<tr><td class="num" id="LN9155">9155</td><td class="line"> </td></tr>
9266<tr><td class="num" id="LN9156">9156</td><td class="line">status_t</td></tr>
9267<tr><td class="num" id="LN9157">9157</td><td class="line">_user_create_link(<span class='keyword'>int</span> pathFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> toFD,</td></tr>
9268<tr><td class="num" id="LN9158">9158</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userToPath, <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
9269<tr><td class="num" id="LN9159">9159</td><td class="line">{</td></tr>
9270<tr><td class="num" id="LN9160">9160</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9271<tr><td class="num" id="LN9161">9161</td><td class="line"> KPath toPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9272<tr><td class="num" id="LN9162">9162</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9273<tr><td class="num" id="LN9163">9163</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9274<tr><td class="num" id="LN9164">9164</td><td class="line"> </td></tr>
9275<tr><td class="num" id="LN9165">9165</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9276<tr><td class="num" id="LN9166">9166</td><td class="line"> <span class='keyword'>char</span>* toPath = toPathBuffer.LockBuffer();</td></tr>
9277<tr><td class="num" id="LN9167">9167</td><td class="line"> </td></tr>
9278<tr><td class="num" id="LN9168">9168</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9279<tr><td class="num" id="LN9169">9169</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userToPath)<span class='expansion'>((addr_t)(userToPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span></td></tr>
9280<tr><td class="num" id="LN9170">9170</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
9281<tr><td class="num" id="LN9171">9171</td><td class="line"> || user_strlcpy(toPath, userToPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9282<tr><td class="num" id="LN9172">9172</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9283<tr><td class="num" id="LN9173">9173</td><td class="line"> </td></tr>
9284<tr><td class="num" id="LN9174">9174</td><td class="line"> status_t status = check_path(toPath);</td></tr>
9285<tr><td class="num" id="LN9175">9175</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9286<tr><td class="num" id="LN9176">9176</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9287<tr><td class="num" id="LN9177">9177</td><td class="line"> </td></tr>
9288<tr><td class="num" id="LN9178">9178</td><td class="line"> <span class='keyword'>return</span> common_create_link(pathFD, path, toFD, toPath, traverseLeafLink,</td></tr>
9289<tr><td class="num" id="LN9179">9179</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
9290<tr><td class="num" id="LN9180">9180</td><td class="line">}</td></tr>
9291<tr><td class="num" id="LN9181">9181</td><td class="line"> </td></tr>
9292<tr><td class="num" id="LN9182">9182</td><td class="line"> </td></tr>
9293<tr><td class="num" id="LN9183">9183</td><td class="line">status_t</td></tr>
9294<tr><td class="num" id="LN9184">9184</td><td class="line">_user_unlink(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
9295<tr><td class="num" id="LN9185">9185</td><td class="line">{</td></tr>
9296<tr><td class="num" id="LN9186">9186</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9297<tr><td class="num" id="LN9187">9187</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9298<tr><td class="num" id="LN9188">9188</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9299<tr><td class="num" id="LN9189">9189</td><td class="line"> </td></tr>
9300<tr><td class="num" id="LN9190">9190</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9301<tr><td class="num" id="LN9191">9191</td><td class="line"> </td></tr>
9302<tr><td class="num" id="LN9192">9192</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9303<tr><td class="num" id="LN9193">9193</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9304<tr><td class="num" id="LN9194">9194</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9305<tr><td class="num" id="LN9195">9195</td><td class="line"> </td></tr>
9306<tr><td class="num" id="LN9196">9196</td><td class="line"> <span class='keyword'>return</span> common_unlink(fd, path, <span class='keyword'>false</span>);</td></tr>
9307<tr><td class="num" id="LN9197">9197</td><td class="line">}</td></tr>
9308<tr><td class="num" id="LN9198">9198</td><td class="line"> </td></tr>
9309<tr><td class="num" id="LN9199">9199</td><td class="line"> </td></tr>
9310<tr><td class="num" id="LN9200">9200</td><td class="line">status_t</td></tr>
9311<tr><td class="num" id="LN9201">9201</td><td class="line">_user_rename(<span class='keyword'>int</span> oldFD, <span class='keyword'>const</span> <span class='keyword'>char</span>* userOldPath, <span class='keyword'>int</span> newFD,</td></tr>
9312<tr><td class="num" id="LN9202">9202</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userNewPath)</td></tr>
9313<tr><td class="num" id="LN9203">9203</td><td class="line">{</td></tr>
9314<tr><td class="num" id="LN9204">9204</td><td class="line"> KPath oldPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9315<tr><td class="num" id="LN9205">9205</td><td class="line"> KPath newPathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9316<tr><td class="num" id="LN9206">9206</td><td class="line"> <span class='keyword'>if</span> (oldPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || newPathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9317<tr><td class="num" id="LN9207">9207</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9318<tr><td class="num" id="LN9208">9208</td><td class="line"> </td></tr>
9319<tr><td class="num" id="LN9209">9209</td><td class="line"> <span class='keyword'>char</span>* oldPath = oldPathBuffer.LockBuffer();</td></tr>
9320<tr><td class="num" id="LN9210">9210</td><td class="line"> <span class='keyword'>char</span>* newPath = newPathBuffer.LockBuffer();</td></tr>
9321<tr><td class="num" id="LN9211">9211</td><td class="line"> </td></tr>
9322<tr><td class="num" id="LN9212">9212</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userOldPath)<span class='expansion'>((addr_t)(userOldPath) &lt;= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span> || !<span class='macro'>IS_USER_ADDRESS(userNewPath)<span class='expansion'>((addr_t)(userNewPath) &lt;= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span></td></tr>
9323<tr><td class="num" id="LN9213">9213</td><td class="line"> || user_strlcpy(oldPath, userOldPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
9324<tr><td class="num" id="LN9214">9214</td><td class="line"> || user_strlcpy(newPath, userNewPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9325<tr><td class="num" id="LN9215">9215</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9326<tr><td class="num" id="LN9216">9216</td><td class="line"> </td></tr>
9327<tr><td class="num" id="LN9217">9217</td><td class="line"> <span class='keyword'>return</span> common_rename(oldFD, oldPath, newFD, newPath, <span class='keyword'>false</span>);</td></tr>
9328<tr><td class="num" id="LN9218">9218</td><td class="line">}</td></tr>
9329<tr><td class="num" id="LN9219">9219</td><td class="line"> </td></tr>
9330<tr><td class="num" id="LN9220">9220</td><td class="line"> </td></tr>
9331<tr><td class="num" id="LN9221">9221</td><td class="line">status_t</td></tr>
9332<tr><td class="num" id="LN9222">9222</td><td class="line">_user_create_fifo(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, mode_t perms)</td></tr>
9333<tr><td class="num" id="LN9223">9223</td><td class="line">{</td></tr>
9334<tr><td class="num" id="LN9224">9224</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9335<tr><td class="num" id="LN9225">9225</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9336<tr><td class="num" id="LN9226">9226</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9337<tr><td class="num" id="LN9227">9227</td><td class="line"> </td></tr>
9338<tr><td class="num" id="LN9228">9228</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9339<tr><td class="num" id="LN9229">9229</td><td class="line"> </td></tr>
9340<tr><td class="num" id="LN9230">9230</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9341<tr><td class="num" id="LN9231">9231</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9342<tr><td class="num" id="LN9232">9232</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9343<tr><td class="num" id="LN9233">9233</td><td class="line"> }</td></tr>
9344<tr><td class="num" id="LN9234">9234</td><td class="line"> </td></tr>
9345<tr><td class="num" id="LN9235">9235</td><td class="line"> <span class='comment'>// split into directory vnode and filename path</span></td></tr>
9346<tr><td class="num" id="LN9236">9236</td><td class="line"> <span class='keyword'>char</span> filename[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9347<tr><td class="num" id="LN9237">9237</td><td class="line"> <span class='keyword'>struct</span> vnode* dir;</td></tr>
9348<tr><td class="num" id="LN9238">9238</td><td class="line"> status_t status = fd_and_path_to_dir_vnode(fd, path, &amp;dir, filename, <span class='keyword'>false</span>);</td></tr>
9349<tr><td class="num" id="LN9239">9239</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9350<tr><td class="num" id="LN9240">9240</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9351<tr><td class="num" id="LN9241">9241</td><td class="line"> </td></tr>
9352<tr><td class="num" id="LN9242">9242</td><td class="line"> VNodePutter _(dir);</td></tr>
9353<tr><td class="num" id="LN9243">9243</td><td class="line"> </td></tr>
9354<tr><td class="num" id="LN9244">9244</td><td class="line"> <span class='comment'>// the underlying FS needs to support creating FIFOs</span></td></tr>
9355<tr><td class="num" id="LN9245">9245</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(dir, create_special_node)<span class='expansion'>(dir-&gt;ops-&gt;create_special_node != __null)</span></span>)</td></tr>
9356<tr><td class="num" id="LN9246">9246</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
9357<tr><td class="num" id="LN9247">9247</td><td class="line"> </td></tr>
9358<tr><td class="num" id="LN9248">9248</td><td class="line"> <span class='comment'>// create the entry -- the FIFO sub node is set up automatically</span></td></tr>
9359<tr><td class="num" id="LN9249">9249</td><td class="line"> fs_vnode superVnode;</td></tr>
9360<tr><td class="num" id="LN9250">9250</td><td class="line"> ino_t nodeID;</td></tr>
9361<tr><td class="num" id="LN9251">9251</td><td class="line"> status = <span class='macro'>FS_CALL(dir, create_special_node, filename, NULL,<span class='expansion'>( (dir-&gt;ops-&gt;create_special_node != __null) ? dir-&gt;ops<br>-&gt;create_special_node(dir-&gt;mount-&gt;volume, dir, filename<br>, __null, 00000010000 | (perms &amp; 07777), 0, &amp;superVnode<br>, &amp;nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span></td></tr>
9362<tr><td class="num" id="LN9252">9252</td><td class="line"> <span class='macro'>S_IFIFO | (perms &amp; S_IUMSK), 0, &amp;superVnode, &amp;nodeID)<span class='expansion'>( (dir-&gt;ops-&gt;create_special_node != __null) ? dir-&gt;ops<br>-&gt;create_special_node(dir-&gt;mount-&gt;volume, dir, filename<br>, __null, 00000010000 | (perms &amp; 07777), 0, &amp;superVnode<br>, &amp;nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span>;</td></tr>
9363<tr><td class="num" id="LN9253">9253</td><td class="line"> </td></tr>
9364<tr><td class="num" id="LN9254">9254</td><td class="line"> <span class='comment'>// create_special_node() acquired a reference for us that we don't need.</span></td></tr>
9365<tr><td class="num" id="LN9255">9255</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9366<tr><td class="num" id="LN9256">9256</td><td class="line"> put_vnode(dir-&gt;mount-&gt;volume, nodeID);</td></tr>
9367<tr><td class="num" id="LN9257">9257</td><td class="line"> </td></tr>
9368<tr><td class="num" id="LN9258">9258</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9369<tr><td class="num" id="LN9259">9259</td><td class="line">}</td></tr>
9370<tr><td class="num" id="LN9260">9260</td><td class="line"> </td></tr>
9371<tr><td class="num" id="LN9261">9261</td><td class="line"> </td></tr>
9372<tr><td class="num" id="LN9262">9262</td><td class="line">status_t</td></tr>
9373<tr><td class="num" id="LN9263">9263</td><td class="line">_user_create_pipe(<span class='keyword'>int</span>* userFDs)</td></tr>
9374<tr><td class="num" id="LN9264">9264</td><td class="line">{</td></tr>
9375<tr><td class="num" id="LN9265">9265</td><td class="line"> <span class='comment'>// rootfs should support creating FIFOs, but let's be sure</span></td></tr>
9376<tr><td class="num" id="LN9266">9266</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>HAS_FS_CALL(sRoot, create_special_node)<span class='expansion'>(sRoot-&gt;ops-&gt;create_special_node != __null)</span></span>)</td></tr>
9377<tr><td class="num" id="LN9267">9267</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
9378<tr><td class="num" id="LN9268">9268</td><td class="line"> </td></tr>
9379<tr><td class="num" id="LN9269">9269</td><td class="line"> <span class='comment'>// create the node -- the FIFO sub node is set up automatically</span></td></tr>
9380<tr><td class="num" id="LN9270">9270</td><td class="line"> fs_vnode superVnode;</td></tr>
9381<tr><td class="num" id="LN9271">9271</td><td class="line"> ino_t nodeID;</td></tr>
9382<tr><td class="num" id="LN9272">9272</td><td class="line"> status_t status = <span class='macro'>FS_CALL(sRoot, create_special_node, NULL, NULL,<span class='expansion'>( (sRoot-&gt;ops-&gt;create_special_node != __null) ? sRoot-&gt;<br>ops-&gt;create_special_node(sRoot-&gt;mount-&gt;volume, sRoot<br>, __null, __null, 00000010000 | 00400 | 00200, 0, &amp;superVnode<br>, &amp;nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span></td></tr>
9383<tr><td class="num" id="LN9273">9273</td><td class="line"> <span class='macro'>S_IFIFO | S_IRUSR | S_IWUSR, 0, &amp;superVnode, &amp;nodeID)<span class='expansion'>( (sRoot-&gt;ops-&gt;create_special_node != __null) ? sRoot-&gt;<br>ops-&gt;create_special_node(sRoot-&gt;mount-&gt;volume, sRoot<br>, __null, __null, 00000010000 | 00400 | 00200, 0, &amp;superVnode<br>, &amp;nodeID) : (panic("FS_CALL op " "create_special_node" " is NULL"<br>), 0))</span></span>;</td></tr>
9384<tr><td class="num" id="LN9274">9274</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9385<tr><td class="num" id="LN9275">9275</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9386<tr><td class="num" id="LN9276">9276</td><td class="line"> </td></tr>
9387<tr><td class="num" id="LN9277">9277</td><td class="line"> <span class='comment'>// We've got one reference to the node and need another one.</span></td></tr>
9388<tr><td class="num" id="LN9278">9278</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
9389<tr><td class="num" id="LN9279">9279</td><td class="line"> status = get_vnode(sRoot-&gt;mount-&gt;id, nodeID, &amp;vnode, <span class='keyword'>true</span>, <span class='keyword'>false</span>);</td></tr>
9390<tr><td class="num" id="LN9280">9280</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9391<tr><td class="num" id="LN9281">9281</td><td class="line"> <span class='comment'>// that should not happen</span></td></tr>
9392<tr><td class="num" id="LN9282">9282</td><td class="line"> dprintf(<span class='string_literal'>"_user_create_pipe(): Failed to lookup vnode (%"</span> <span class='macro'>B_PRIdDEV<span class='expansion'>"l" "d"</span></span> <span class='string_literal'>", "</span></td></tr>
9393<tr><td class="num" id="LN9283">9283</td><td class="line"> <span class='string_literal'>"%"</span> <span class='macro'>B_PRIdINO<span class='expansion'>"ll" "d"</span></span> <span class='string_literal'>")\n"</span>, sRoot-&gt;mount-&gt;id, sRoot-&gt;id);</td></tr>
9394<tr><td class="num" id="LN9284">9284</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9395<tr><td class="num" id="LN9285">9285</td><td class="line"> }</td></tr>
9396<tr><td class="num" id="LN9286">9286</td><td class="line"> </td></tr>
9397<tr><td class="num" id="LN9287">9287</td><td class="line"> <span class='comment'>// Everything looks good so far. Open two FDs for reading respectively</span></td></tr>
9398<tr><td class="num" id="LN9288">9288</td><td class="line"> <span class='comment'>// writing.</span></td></tr>
9399<tr><td class="num" id="LN9289">9289</td><td class="line"> <span class='keyword'>int</span> fds[2];</td></tr>
9400<tr><td class="num" id="LN9290">9290</td><td class="line"> fds[0] = open_vnode(vnode, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>false</span>);</td></tr>
9401<tr><td class="num" id="LN9291">9291</td><td class="line"> fds[1] = open_vnode(vnode, <span class='macro'>O_WRONLY<span class='expansion'>0x0001</span></span>, <span class='keyword'>false</span>);</td></tr>
9402<tr><td class="num" id="LN9292">9292</td><td class="line"> </td></tr>
9403<tr><td class="num" id="LN9293">9293</td><td class="line"> FDCloser closer0(fds[0], <span class='keyword'>false</span>);</td></tr>
9404<tr><td class="num" id="LN9294">9294</td><td class="line"> FDCloser closer1(fds[1], <span class='keyword'>false</span>);</td></tr>
9405<tr><td class="num" id="LN9295">9295</td><td class="line"> </td></tr>
9406<tr><td class="num" id="LN9296">9296</td><td class="line"> status = (fds[0] &gt;= 0 ? (fds[1] &gt;= 0 ? <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> : fds[1]) : fds[0]);</td></tr>
9407<tr><td class="num" id="LN9297">9297</td><td class="line"> </td></tr>
9408<tr><td class="num" id="LN9298">9298</td><td class="line"> <span class='comment'>// copy FDs to userland</span></td></tr>
9409<tr><td class="num" id="LN9299">9299</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9410<tr><td class="num" id="LN9300">9300</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userFDs)<span class='expansion'>((addr_t)(userFDs) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1))<br>)</span></span></td></tr>
9411<tr><td class="num" id="LN9301">9301</td><td class="line"> || user_memcpy(userFDs, fds, <span class='keyword'>sizeof</span>(fds)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9412<tr><td class="num" id="LN9302">9302</td><td class="line"> status = <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9413<tr><td class="num" id="LN9303">9303</td><td class="line"> }</td></tr>
9414<tr><td class="num" id="LN9304">9304</td><td class="line"> }</td></tr>
9415<tr><td class="num" id="LN9305">9305</td><td class="line"> </td></tr>
9416<tr><td class="num" id="LN9306">9306</td><td class="line"> <span class='comment'>// keep FDs, if everything went fine</span></td></tr>
9417<tr><td class="num" id="LN9307">9307</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9418<tr><td class="num" id="LN9308">9308</td><td class="line"> closer0.Detach();</td></tr>
9419<tr><td class="num" id="LN9309">9309</td><td class="line"> closer1.Detach();</td></tr>
9420<tr><td class="num" id="LN9310">9310</td><td class="line"> }</td></tr>
9421<tr><td class="num" id="LN9311">9311</td><td class="line"> </td></tr>
9422<tr><td class="num" id="LN9312">9312</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9423<tr><td class="num" id="LN9313">9313</td><td class="line">}</td></tr>
9424<tr><td class="num" id="LN9314">9314</td><td class="line"> </td></tr>
9425<tr><td class="num" id="LN9315">9315</td><td class="line"> </td></tr>
9426<tr><td class="num" id="LN9316">9316</td><td class="line">status_t</td></tr>
9427<tr><td class="num" id="LN9317">9317</td><td class="line">_user_access(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>int</span> mode, <span class='keyword'>bool</span> effectiveUserGroup)</td></tr>
9428<tr><td class="num" id="LN9318">9318</td><td class="line">{</td></tr>
9429<tr><td class="num" id="LN9319">9319</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9430<tr><td class="num" id="LN9320">9320</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9431<tr><td class="num" id="LN9321">9321</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9432<tr><td class="num" id="LN9322">9322</td><td class="line"> </td></tr>
9433<tr><td class="num" id="LN9323">9323</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9434<tr><td class="num" id="LN9324">9324</td><td class="line"> </td></tr>
9435<tr><td class="num" id="LN9325">9325</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9436<tr><td class="num" id="LN9326">9326</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9437<tr><td class="num" id="LN9327">9327</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9438<tr><td class="num" id="LN9328">9328</td><td class="line"> </td></tr>
9439<tr><td class="num" id="LN9329">9329</td><td class="line"> <span class='keyword'>return</span> common_access(fd, path, mode, effectiveUserGroup, <span class='keyword'>false</span>);</td></tr>
9440<tr><td class="num" id="LN9330">9330</td><td class="line">}</td></tr>
9441<tr><td class="num" id="LN9331">9331</td><td class="line"> </td></tr>
9442<tr><td class="num" id="LN9332">9332</td><td class="line"> </td></tr>
9443<tr><td class="num" id="LN9333">9333</td><td class="line">status_t</td></tr>
9444<tr><td class="num" id="LN9334">9334</td><td class="line">_user_read_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLink,</td></tr>
9445<tr><td class="num" id="LN9335">9335</td><td class="line"> <span class='keyword'>struct</span> stat* userStat, size_t statSize)</td></tr>
9446<tr><td class="num" id="LN9336">9336</td><td class="line">{</td></tr>
9447<tr><td class="num" id="LN9337">9337</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
9448<tr><td class="num" id="LN9338">9338</td><td class="line"> status_t status;</td></tr>
9449<tr><td class="num" id="LN9339">9339</td><td class="line"> </td></tr>
9450<tr><td class="num" id="LN9340">9340</td><td class="line"> <span class='keyword'>if</span> (statSize &gt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
9451<tr><td class="num" id="LN9341">9341</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
9452<tr><td class="num" id="LN9342">9342</td><td class="line"> </td></tr>
9453<tr><td class="num" id="LN9343">9343</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userStat)<span class='expansion'>((addr_t)(userStat) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
9454<tr><td class="num" id="LN9344">9344</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9455<tr><td class="num" id="LN9345">9345</td><td class="line"> </td></tr>
9456<tr><td class="num" id="LN9346">9346</td><td class="line"> <span class='keyword'>if</span> (userPath) {</td></tr>
9457<tr><td class="num" id="LN9347">9347</td><td class="line"> <span class='comment'>// path given: get the stat of the node referred to by (fd, path)</span></td></tr>
9458<tr><td class="num" id="LN9348">9348</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
9459<tr><td class="num" id="LN9349">9349</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9460<tr><td class="num" id="LN9350">9350</td><td class="line"> </td></tr>
9461<tr><td class="num" id="LN9351">9351</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9462<tr><td class="num" id="LN9352">9352</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9463<tr><td class="num" id="LN9353">9353</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9464<tr><td class="num" id="LN9354">9354</td><td class="line"> </td></tr>
9465<tr><td class="num" id="LN9355">9355</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9466<tr><td class="num" id="LN9356">9356</td><td class="line"> </td></tr>
9467<tr><td class="num" id="LN9357">9357</td><td class="line"> ssize_t length = user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
9468<tr><td class="num" id="LN9358">9358</td><td class="line"> <span class='keyword'>if</span> (length &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9469<tr><td class="num" id="LN9359">9359</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
9470<tr><td class="num" id="LN9360">9360</td><td class="line"> <span class='keyword'>if</span> (length &gt;= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
9471<tr><td class="num" id="LN9361">9361</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
9472<tr><td class="num" id="LN9362">9362</td><td class="line"> </td></tr>
9473<tr><td class="num" id="LN9363">9363</td><td class="line"> status = common_path_read_stat(fd, path, traverseLink, &amp;stat, <span class='keyword'>false</span>);</td></tr>
9474<tr><td class="num" id="LN9364">9364</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
9475<tr><td class="num" id="LN9365">9365</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
9476<tr><td class="num" id="LN9366">9366</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
9477<tr><td class="num" id="LN9367">9367</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>false</span>), fd);</td></tr>
9478<tr><td class="num" id="LN9368">9368</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
9479<tr><td class="num" id="LN9369">9369</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
9480<tr><td class="num" id="LN9370">9370</td><td class="line"> </td></tr>
9481<tr><td class="num" id="LN9371">9371</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;ops-&gt;fd_read_stat)</td></tr>
9482<tr><td class="num" id="LN9372">9372</td><td class="line"> status = descriptor-&gt;ops-&gt;fd_read_stat(descriptor, &amp;stat);</td></tr>
9483<tr><td class="num" id="LN9373">9373</td><td class="line"> <span class='keyword'>else</span></td></tr>
9484<tr><td class="num" id="LN9374">9374</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
9485<tr><td class="num" id="LN9375">9375</td><td class="line"> </td></tr>
9486<tr><td class="num" id="LN9376">9376</td><td class="line"> put_fd(descriptor);</td></tr>
9487<tr><td class="num" id="LN9377">9377</td><td class="line"> }</td></tr>
9488<tr><td class="num" id="LN9378">9378</td><td class="line"> </td></tr>
9489<tr><td class="num" id="LN9379">9379</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9490<tr><td class="num" id="LN9380">9380</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9491<tr><td class="num" id="LN9381">9381</td><td class="line"> </td></tr>
9492<tr><td class="num" id="LN9382">9382</td><td class="line"> <span class='keyword'>return</span> user_memcpy(userStat, &amp;stat, statSize);</td></tr>
9493<tr><td class="num" id="LN9383">9383</td><td class="line">}</td></tr>
9494<tr><td class="num" id="LN9384">9384</td><td class="line"> </td></tr>
9495<tr><td class="num" id="LN9385">9385</td><td class="line"> </td></tr>
9496<tr><td class="num" id="LN9386">9386</td><td class="line">status_t</td></tr>
9497<tr><td class="num" id="LN9387">9387</td><td class="line">_user_write_stat(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLeafLink,</td></tr>
9498<tr><td class="num" id="LN9388">9388</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>struct</span> stat* userStat, size_t statSize, <span class='keyword'>int</span> statMask)</td></tr>
9499<tr><td class="num" id="LN9389">9389</td><td class="line">{</td></tr>
9500<tr><td class="num" id="LN9390">9390</td><td class="line"> <span class='keyword'>if</span> (statSize &gt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
9501<tr><td class="num" id="LN9391">9391</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
9502<tr><td class="num" id="LN9392">9392</td><td class="line"> </td></tr>
9503<tr><td class="num" id="LN9393">9393</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
9504<tr><td class="num" id="LN9394">9394</td><td class="line"> </td></tr>
9505<tr><td class="num" id="LN9395">9395</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userStat)<span class='expansion'>((addr_t)(userStat) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9506<tr><td class="num" id="LN9396">9396</td><td class="line"> || user_memcpy(&amp;stat, userStat, statSize) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9507<tr><td class="num" id="LN9397">9397</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9508<tr><td class="num" id="LN9398">9398</td><td class="line"> </td></tr>
9509<tr><td class="num" id="LN9399">9399</td><td class="line"> <span class='comment'>// clear additional stat fields</span></td></tr>
9510<tr><td class="num" id="LN9400">9400</td><td class="line"> <span class='keyword'>if</span> (statSize &lt; <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat))</td></tr>
9511<tr><td class="num" id="LN9401">9401</td><td class="line"> memset((uint8*)&amp;stat + statSize, 0, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> stat) - statSize);</td></tr>
9512<tr><td class="num" id="LN9402">9402</td><td class="line"> </td></tr>
9513<tr><td class="num" id="LN9403">9403</td><td class="line"> status_t status;</td></tr>
9514<tr><td class="num" id="LN9404">9404</td><td class="line"> </td></tr>
9515<tr><td class="num" id="LN9405">9405</td><td class="line"> <span class='keyword'>if</span> (userPath) {</td></tr>
9516<tr><td class="num" id="LN9406">9406</td><td class="line"> <span class='comment'>// path given: write the stat of the node referred to by (fd, path)</span></td></tr>
9517<tr><td class="num" id="LN9407">9407</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span>)</td></tr>
9518<tr><td class="num" id="LN9408">9408</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9519<tr><td class="num" id="LN9409">9409</td><td class="line"> </td></tr>
9520<tr><td class="num" id="LN9410">9410</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9521<tr><td class="num" id="LN9411">9411</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9522<tr><td class="num" id="LN9412">9412</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9523<tr><td class="num" id="LN9413">9413</td><td class="line"> </td></tr>
9524<tr><td class="num" id="LN9414">9414</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9525<tr><td class="num" id="LN9415">9415</td><td class="line"> </td></tr>
9526<tr><td class="num" id="LN9416">9416</td><td class="line"> ssize_t length = user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
9527<tr><td class="num" id="LN9417">9417</td><td class="line"> <span class='keyword'>if</span> (length &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9528<tr><td class="num" id="LN9418">9418</td><td class="line"> <span class='keyword'>return</span> length;</td></tr>
9529<tr><td class="num" id="LN9419">9419</td><td class="line"> <span class='keyword'>if</span> (length &gt;= <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>)</td></tr>
9530<tr><td class="num" id="LN9420">9420</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
9531<tr><td class="num" id="LN9421">9421</td><td class="line"> </td></tr>
9532<tr><td class="num" id="LN9422">9422</td><td class="line"> status = common_path_write_stat(fd, path, traverseLeafLink, &amp;stat,</td></tr>
9533<tr><td class="num" id="LN9423">9423</td><td class="line"> statMask, <span class='keyword'>false</span>);</td></tr>
9534<tr><td class="num" id="LN9424">9424</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
9535<tr><td class="num" id="LN9425">9425</td><td class="line"> <span class='comment'>// no path given: get the FD and use the FD operation</span></td></tr>
9536<tr><td class="num" id="LN9426">9426</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
9537<tr><td class="num" id="LN9427">9427</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>false</span>), fd);</td></tr>
9538<tr><td class="num" id="LN9428">9428</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
9539<tr><td class="num" id="LN9429">9429</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
9540<tr><td class="num" id="LN9430">9430</td><td class="line"> </td></tr>
9541<tr><td class="num" id="LN9431">9431</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;ops-&gt;fd_write_stat) {</td></tr>
9542<tr><td class="num" id="LN9432">9432</td><td class="line"> status = descriptor-&gt;ops-&gt;fd_write_stat(descriptor, &amp;stat,</td></tr>
9543<tr><td class="num" id="LN9433">9433</td><td class="line"> statMask);</td></tr>
9544<tr><td class="num" id="LN9434">9434</td><td class="line"> } <span class='keyword'>else</span></td></tr>
9545<tr><td class="num" id="LN9435">9435</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
9546<tr><td class="num" id="LN9436">9436</td><td class="line"> </td></tr>
9547<tr><td class="num" id="LN9437">9437</td><td class="line"> put_fd(descriptor);</td></tr>
9548<tr><td class="num" id="LN9438">9438</td><td class="line"> }</td></tr>
9549<tr><td class="num" id="LN9439">9439</td><td class="line"> </td></tr>
9550<tr><td class="num" id="LN9440">9440</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9551<tr><td class="num" id="LN9441">9441</td><td class="line">}</td></tr>
9552<tr><td class="num" id="LN9442">9442</td><td class="line"> </td></tr>
9553<tr><td class="num" id="LN9443">9443</td><td class="line"> </td></tr>
9554<tr><td class="num" id="LN9444">9444</td><td class="line"><span class='keyword'>int</span></td></tr>
9555<tr><td class="num" id="LN9445">9445</td><td class="line">_user_open_attr_dir(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>bool</span> traverseLeafLink)</td></tr>
9556<tr><td class="num" id="LN9446">9446</td><td class="line">{</td></tr>
9557<tr><td class="num" id="LN9447">9447</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9558<tr><td class="num" id="LN9448">9448</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9559<tr><td class="num" id="LN9449">9449</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9560<tr><td class="num" id="LN9450">9450</td><td class="line"> </td></tr>
9561<tr><td class="num" id="LN9451">9451</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9562<tr><td class="num" id="LN9452">9452</td><td class="line"> </td></tr>
9563<tr><td class="num" id="LN9453">9453</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
9564<tr><td class="num" id="LN9454">9454</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9565<tr><td class="num" id="LN9455">9455</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9566<tr><td class="num" id="LN9456">9456</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9567<tr><td class="num" id="LN9457">9457</td><td class="line"> }</td></tr>
9568<tr><td class="num" id="LN9458">9458</td><td class="line"> </td></tr>
9569<tr><td class="num" id="LN9459">9459</td><td class="line"> <span class='keyword'>return</span> attr_dir_open(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, traverseLeafLink, <span class='keyword'>false</span>);</td></tr>
9570<tr><td class="num" id="LN9460">9460</td><td class="line">}</td></tr>
9571<tr><td class="num" id="LN9461">9461</td><td class="line"> </td></tr>
9572<tr><td class="num" id="LN9462">9462</td><td class="line"> </td></tr>
9573<tr><td class="num" id="LN9463">9463</td><td class="line">ssize_t</td></tr>
9574<tr><td class="num" id="LN9464">9464</td><td class="line">_user_read_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* attribute, off_t pos, <span class='keyword'>void</span>* userBuffer,</td></tr>
9575<tr><td class="num" id="LN9465">9465</td><td class="line"> size_t readBytes)</td></tr>
9576<tr><td class="num" id="LN9466">9466</td><td class="line">{</td></tr>
9577<tr><td class="num" id="LN9467">9467</td><td class="line"> <span class='keyword'>int</span> attr = attr_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>false</span>);</td></tr>
9578<tr><td class="num" id="LN9468">9468</td><td class="line"> <span class='keyword'>if</span> (attr &lt; 0)</td></tr>
9579<tr><td class="num" id="LN9469">9469</td><td class="line"> <span class='keyword'>return</span> attr;</td></tr>
9580<tr><td class="num" id="LN9470">9470</td><td class="line"> </td></tr>
9581<tr><td class="num" id="LN9471">9471</td><td class="line"> ssize_t bytes = _user_read(attr, pos, userBuffer, readBytes);</td></tr>
9582<tr><td class="num" id="LN9472">9472</td><td class="line"> _user_close(attr);</td></tr>
9583<tr><td class="num" id="LN9473">9473</td><td class="line"> </td></tr>
9584<tr><td class="num" id="LN9474">9474</td><td class="line"> <span class='keyword'>return</span> bytes;</td></tr>
9585<tr><td class="num" id="LN9475">9475</td><td class="line">}</td></tr>
9586<tr><td class="num" id="LN9476">9476</td><td class="line"> </td></tr>
9587<tr><td class="num" id="LN9477">9477</td><td class="line"> </td></tr>
9588<tr><td class="num" id="LN9478">9478</td><td class="line">ssize_t</td></tr>
9589<tr><td class="num" id="LN9479">9479</td><td class="line">_user_write_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* attribute, uint32 type, off_t pos,</td></tr>
9590<tr><td class="num" id="LN9480">9480</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>void</span>* buffer, size_t writeBytes)</td></tr>
9591<tr><td class="num" id="LN9481">9481</td><td class="line">{</td></tr>
9592<tr><td class="num" id="LN9482">9482</td><td class="line"> <span class='comment'>// Try to support the BeOS typical truncation as well as the position</span></td></tr>
9593<tr><td class="num" id="LN9483">9483</td><td class="line"> <span class='comment'>// argument</span></td></tr>
9594<tr><td class="num" id="LN9484">9484</td><td class="line"> <span class='keyword'>int</span> attr = attr_create(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, type,</td></tr>
9595<tr><td class="num" id="LN9485">9485</td><td class="line"> <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span> | <span class='macro'>O_WRONLY<span class='expansion'>0x0001</span></span> | (pos != 0 ? 0 : <span class='macro'>O_TRUNC<span class='expansion'>0x0400</span></span>), <span class='keyword'>false</span>);</td></tr>
9596<tr><td class="num" id="LN9486">9486</td><td class="line"> <span class='keyword'>if</span> (attr &lt; 0)</td></tr>
9597<tr><td class="num" id="LN9487">9487</td><td class="line"> <span class='keyword'>return</span> attr;</td></tr>
9598<tr><td class="num" id="LN9488">9488</td><td class="line"> </td></tr>
9599<tr><td class="num" id="LN9489">9489</td><td class="line"> ssize_t bytes = _user_write(attr, pos, buffer, writeBytes);</td></tr>
9600<tr><td class="num" id="LN9490">9490</td><td class="line"> _user_close(attr);</td></tr>
9601<tr><td class="num" id="LN9491">9491</td><td class="line"> </td></tr>
9602<tr><td class="num" id="LN9492">9492</td><td class="line"> <span class='keyword'>return</span> bytes;</td></tr>
9603<tr><td class="num" id="LN9493">9493</td><td class="line">}</td></tr>
9604<tr><td class="num" id="LN9494">9494</td><td class="line"> </td></tr>
9605<tr><td class="num" id="LN9495">9495</td><td class="line"> </td></tr>
9606<tr><td class="num" id="LN9496">9496</td><td class="line">status_t</td></tr>
9607<tr><td class="num" id="LN9497">9497</td><td class="line">_user_stat_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* attribute, <span class='keyword'>struct</span> attr_info* userAttrInfo)</td></tr>
9608<tr><td class="num" id="LN9498">9498</td><td class="line">{</td></tr>
9609<tr><td class="num" id="LN9499">9499</td><td class="line"> <span class='keyword'>int</span> attr = attr_open(fd, <span class='macro'>NULL<span class='expansion'>__null</span></span>, attribute, <span class='macro'>O_RDONLY<span class='expansion'>0x0000</span></span>, <span class='keyword'>false</span>);</td></tr>
9610<tr><td class="num" id="LN9500">9500</td><td class="line"> <span class='keyword'>if</span> (attr &lt; 0)</td></tr>
9611<tr><td class="num" id="LN9501">9501</td><td class="line"> <span class='keyword'>return</span> attr;</td></tr>
9612<tr><td class="num" id="LN9502">9502</td><td class="line"> </td></tr>
9613<tr><td class="num" id="LN9503">9503</td><td class="line"> <span class='keyword'>struct</span> file_descriptor* descriptor</td></tr>
9614<tr><td class="num" id="LN9504">9504</td><td class="line"> = get_fd(get_current_io_context(<span class='keyword'>false</span>), attr);</td></tr>
9615<tr><td class="num" id="LN9505">9505</td><td class="line"> <span class='keyword'>if</span> (descriptor == <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
9616<tr><td class="num" id="LN9506">9506</td><td class="line"> _user_close(attr);</td></tr>
9617<tr><td class="num" id="LN9507">9507</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_FILE_ERROR<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 0)</span></span>;</td></tr>
9618<tr><td class="num" id="LN9508">9508</td><td class="line"> }</td></tr>
9619<tr><td class="num" id="LN9509">9509</td><td class="line"> </td></tr>
9620<tr><td class="num" id="LN9510">9510</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
9621<tr><td class="num" id="LN9511">9511</td><td class="line"> status_t status;</td></tr>
9622<tr><td class="num" id="LN9512">9512</td><td class="line"> <span class='keyword'>if</span> (descriptor-&gt;ops-&gt;fd_read_stat)</td></tr>
9623<tr><td class="num" id="LN9513">9513</td><td class="line"> status = descriptor-&gt;ops-&gt;fd_read_stat(descriptor, &amp;stat);</td></tr>
9624<tr><td class="num" id="LN9514">9514</td><td class="line"> <span class='keyword'>else</span></td></tr>
9625<tr><td class="num" id="LN9515">9515</td><td class="line"> status = <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
9626<tr><td class="num" id="LN9516">9516</td><td class="line"> </td></tr>
9627<tr><td class="num" id="LN9517">9517</td><td class="line"> put_fd(descriptor);</td></tr>
9628<tr><td class="num" id="LN9518">9518</td><td class="line"> _user_close(attr);</td></tr>
9629<tr><td class="num" id="LN9519">9519</td><td class="line"> </td></tr>
9630<tr><td class="num" id="LN9520">9520</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9631<tr><td class="num" id="LN9521">9521</td><td class="line"> attr_info info;</td></tr>
9632<tr><td class="num" id="LN9522">9522</td><td class="line"> info.type = stat.st_type;</td></tr>
9633<tr><td class="num" id="LN9523">9523</td><td class="line"> info.size = stat.st_size;</td></tr>
9634<tr><td class="num" id="LN9524">9524</td><td class="line"> </td></tr>
9635<tr><td class="num" id="LN9525">9525</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userAttrInfo, &amp;info, <span class='keyword'>sizeof</span>(<span class='keyword'>struct</span> attr_info)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9636<tr><td class="num" id="LN9526">9526</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9637<tr><td class="num" id="LN9527">9527</td><td class="line"> }</td></tr>
9638<tr><td class="num" id="LN9528">9528</td><td class="line"> </td></tr>
9639<tr><td class="num" id="LN9529">9529</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9640<tr><td class="num" id="LN9530">9530</td><td class="line">}</td></tr>
9641<tr><td class="num" id="LN9531">9531</td><td class="line"> </td></tr>
9642<tr><td class="num" id="LN9532">9532</td><td class="line"> </td></tr>
9643<tr><td class="num" id="LN9533">9533</td><td class="line"><span class='keyword'>int</span></td></tr>
9644<tr><td class="num" id="LN9534">9534</td><td class="line">_user_open_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName,</td></tr>
9645<tr><td class="num" id="LN9535">9535</td><td class="line"> uint32 type, <span class='keyword'>int</span> openMode)</td></tr>
9646<tr><td class="num" id="LN9536">9536</td><td class="line">{</td></tr>
9647<tr><td class="num" id="LN9537">9537</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9648<tr><td class="num" id="LN9538">9538</td><td class="line"> </td></tr>
9649<tr><td class="num" id="LN9539">9539</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9650<tr><td class="num" id="LN9540">9540</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9651<tr><td class="num" id="LN9541">9541</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9652<tr><td class="num" id="LN9542">9542</td><td class="line"> </td></tr>
9653<tr><td class="num" id="LN9543">9543</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span> + 1);</td></tr>
9654<tr><td class="num" id="LN9544">9544</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9655<tr><td class="num" id="LN9545">9545</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9656<tr><td class="num" id="LN9546">9546</td><td class="line"> </td></tr>
9657<tr><td class="num" id="LN9547">9547</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9658<tr><td class="num" id="LN9548">9548</td><td class="line"> </td></tr>
9659<tr><td class="num" id="LN9549">9549</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
9660<tr><td class="num" id="LN9550">9550</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9661<tr><td class="num" id="LN9551">9551</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9662<tr><td class="num" id="LN9552">9552</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9663<tr><td class="num" id="LN9553">9553</td><td class="line"> }</td></tr>
9664<tr><td class="num" id="LN9554">9554</td><td class="line"> </td></tr>
9665<tr><td class="num" id="LN9555">9555</td><td class="line"> <span class='keyword'>if</span> ((openMode &amp; <span class='macro'>O_CREAT<span class='expansion'>0x0200</span></span>) != 0) {</td></tr>
9666<tr><td class="num" id="LN9556">9556</td><td class="line"> <span class='keyword'>return</span> attr_create(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, name, type, openMode,</td></tr>
9667<tr><td class="num" id="LN9557">9557</td><td class="line"> <span class='keyword'>false</span>);</td></tr>
9668<tr><td class="num" id="LN9558">9558</td><td class="line"> }</td></tr>
9669<tr><td class="num" id="LN9559">9559</td><td class="line"> </td></tr>
9670<tr><td class="num" id="LN9560">9560</td><td class="line"> <span class='keyword'>return</span> attr_open(fd, userPath ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, name, openMode, <span class='keyword'>false</span>);</td></tr>
9671<tr><td class="num" id="LN9561">9561</td><td class="line">}</td></tr>
9672<tr><td class="num" id="LN9562">9562</td><td class="line"> </td></tr>
9673<tr><td class="num" id="LN9563">9563</td><td class="line"> </td></tr>
9674<tr><td class="num" id="LN9564">9564</td><td class="line">status_t</td></tr>
9675<tr><td class="num" id="LN9565">9565</td><td class="line">_user_remove_attr(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName)</td></tr>
9676<tr><td class="num" id="LN9566">9566</td><td class="line">{</td></tr>
9677<tr><td class="num" id="LN9567">9567</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9678<tr><td class="num" id="LN9568">9568</td><td class="line"> </td></tr>
9679<tr><td class="num" id="LN9569">9569</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9680<tr><td class="num" id="LN9570">9570</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9681<tr><td class="num" id="LN9571">9571</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9682<tr><td class="num" id="LN9572">9572</td><td class="line"> </td></tr>
9683<tr><td class="num" id="LN9573">9573</td><td class="line"> <span class='keyword'>return</span> attr_remove(fd, name, <span class='keyword'>false</span>);</td></tr>
9684<tr><td class="num" id="LN9574">9574</td><td class="line">}</td></tr>
9685<tr><td class="num" id="LN9575">9575</td><td class="line"> </td></tr>
9686<tr><td class="num" id="LN9576">9576</td><td class="line"> </td></tr>
9687<tr><td class="num" id="LN9577">9577</td><td class="line">status_t</td></tr>
9688<tr><td class="num" id="LN9578">9578</td><td class="line">_user_rename_attr(<span class='keyword'>int</span> fromFile, <span class='keyword'>const</span> <span class='keyword'>char</span>* userFromName, <span class='keyword'>int</span> toFile,</td></tr>
9689<tr><td class="num" id="LN9579">9579</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* userToName)</td></tr>
9690<tr><td class="num" id="LN9580">9580</td><td class="line">{</td></tr>
9691<tr><td class="num" id="LN9581">9581</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userFromName)<span class='expansion'>((addr_t)(userFromName) &lt;= (0x0 + ((0x80000000 - 0x10000) -<br> 1)))</span></span></td></tr>
9692<tr><td class="num" id="LN9582">9582</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userToName)<span class='expansion'>((addr_t)(userToName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span>)</td></tr>
9693<tr><td class="num" id="LN9583">9583</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9694<tr><td class="num" id="LN9584">9584</td><td class="line"> </td></tr>
9695<tr><td class="num" id="LN9585">9585</td><td class="line"> KPath fromNameBuffer(<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>);</td></tr>
9696<tr><td class="num" id="LN9586">9586</td><td class="line"> KPath toNameBuffer(<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>);</td></tr>
9697<tr><td class="num" id="LN9587">9587</td><td class="line"> <span class='keyword'>if</span> (fromNameBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> || toNameBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9698<tr><td class="num" id="LN9588">9588</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9699<tr><td class="num" id="LN9589">9589</td><td class="line"> </td></tr>
9700<tr><td class="num" id="LN9590">9590</td><td class="line"> <span class='keyword'>char</span>* fromName = fromNameBuffer.LockBuffer();</td></tr>
9701<tr><td class="num" id="LN9591">9591</td><td class="line"> <span class='keyword'>char</span>* toName = toNameBuffer.LockBuffer();</td></tr>
9702<tr><td class="num" id="LN9592">9592</td><td class="line"> </td></tr>
9703<tr><td class="num" id="LN9593">9593</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(fromName, userFromName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span></td></tr>
9704<tr><td class="num" id="LN9594">9594</td><td class="line"> || user_strlcpy(toName, userToName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9705<tr><td class="num" id="LN9595">9595</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9706<tr><td class="num" id="LN9596">9596</td><td class="line"> </td></tr>
9707<tr><td class="num" id="LN9597">9597</td><td class="line"> <span class='keyword'>return</span> attr_rename(fromFile, fromName, toFile, toName, <span class='keyword'>false</span>);</td></tr>
9708<tr><td class="num" id="LN9598">9598</td><td class="line">}</td></tr>
9709<tr><td class="num" id="LN9599">9599</td><td class="line"> </td></tr>
9710<tr><td class="num" id="LN9600">9600</td><td class="line"> </td></tr>
9711<tr><td class="num" id="LN9601">9601</td><td class="line"><span class='keyword'>int</span></td></tr>
9712<tr><td class="num" id="LN9602">9602</td><td class="line">_user_open_index_dir(dev_t device)</td></tr>
9713<tr><td class="num" id="LN9603">9603</td><td class="line">{</td></tr>
9714<tr><td class="num" id="LN9604">9604</td><td class="line"> <span class='keyword'>return</span> index_dir_open(device, <span class='keyword'>false</span>);</td></tr>
9715<tr><td class="num" id="LN9605">9605</td><td class="line">}</td></tr>
9716<tr><td class="num" id="LN9606">9606</td><td class="line"> </td></tr>
9717<tr><td class="num" id="LN9607">9607</td><td class="line"> </td></tr>
9718<tr><td class="num" id="LN9608">9608</td><td class="line">status_t</td></tr>
9719<tr><td class="num" id="LN9609">9609</td><td class="line">_user_create_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName, uint32 type,</td></tr>
9720<tr><td class="num" id="LN9610">9610</td><td class="line"> uint32 flags)</td></tr>
9721<tr><td class="num" id="LN9611">9611</td><td class="line">{</td></tr>
9722<tr><td class="num" id="LN9612">9612</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9723<tr><td class="num" id="LN9613">9613</td><td class="line"> </td></tr>
9724<tr><td class="num" id="LN9614">9614</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9725<tr><td class="num" id="LN9615">9615</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9726<tr><td class="num" id="LN9616">9616</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9727<tr><td class="num" id="LN9617">9617</td><td class="line"> </td></tr>
9728<tr><td class="num" id="LN9618">9618</td><td class="line"> <span class='keyword'>return</span> index_create(device, name, type, flags, <span class='keyword'>false</span>);</td></tr>
9729<tr><td class="num" id="LN9619">9619</td><td class="line">}</td></tr>
9730<tr><td class="num" id="LN9620">9620</td><td class="line"> </td></tr>
9731<tr><td class="num" id="LN9621">9621</td><td class="line"> </td></tr>
9732<tr><td class="num" id="LN9622">9622</td><td class="line">status_t</td></tr>
9733<tr><td class="num" id="LN9623">9623</td><td class="line">_user_read_index_stat(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName, <span class='keyword'>struct</span> stat* userStat)</td></tr>
9734<tr><td class="num" id="LN9624">9624</td><td class="line">{</td></tr>
9735<tr><td class="num" id="LN9625">9625</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9736<tr><td class="num" id="LN9626">9626</td><td class="line"> <span class='keyword'>struct</span> stat stat;</td></tr>
9737<tr><td class="num" id="LN9627">9627</td><td class="line"> status_t status;</td></tr>
9738<tr><td class="num" id="LN9628">9628</td><td class="line"> </td></tr>
9739<tr><td class="num" id="LN9629">9629</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9740<tr><td class="num" id="LN9630">9630</td><td class="line"> || !<span class='macro'>IS_USER_ADDRESS(userStat)<span class='expansion'>((addr_t)(userStat) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9741<tr><td class="num" id="LN9631">9631</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9742<tr><td class="num" id="LN9632">9632</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9743<tr><td class="num" id="LN9633">9633</td><td class="line"> </td></tr>
9744<tr><td class="num" id="LN9634">9634</td><td class="line"> status = index_name_read_stat(device, name, &amp;stat, <span class='keyword'>false</span>);</td></tr>
9745<tr><td class="num" id="LN9635">9635</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9746<tr><td class="num" id="LN9636">9636</td><td class="line"> <span class='keyword'>if</span> (user_memcpy(userStat, &amp;stat, <span class='keyword'>sizeof</span>(stat)) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9747<tr><td class="num" id="LN9637">9637</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9748<tr><td class="num" id="LN9638">9638</td><td class="line"> }</td></tr>
9749<tr><td class="num" id="LN9639">9639</td><td class="line"> </td></tr>
9750<tr><td class="num" id="LN9640">9640</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9751<tr><td class="num" id="LN9641">9641</td><td class="line">}</td></tr>
9752<tr><td class="num" id="LN9642">9642</td><td class="line"> </td></tr>
9753<tr><td class="num" id="LN9643">9643</td><td class="line"> </td></tr>
9754<tr><td class="num" id="LN9644">9644</td><td class="line">status_t</td></tr>
9755<tr><td class="num" id="LN9645">9645</td><td class="line">_user_remove_index(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userName)</td></tr>
9756<tr><td class="num" id="LN9646">9646</td><td class="line">{</td></tr>
9757<tr><td class="num" id="LN9647">9647</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
9758<tr><td class="num" id="LN9648">9648</td><td class="line"> </td></tr>
9759<tr><td class="num" id="LN9649">9649</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userName)<span class='expansion'>((addr_t)(userName) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9760<tr><td class="num" id="LN9650">9650</td><td class="line"> || user_strlcpy(name, userName, <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9761<tr><td class="num" id="LN9651">9651</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9762<tr><td class="num" id="LN9652">9652</td><td class="line"> </td></tr>
9763<tr><td class="num" id="LN9653">9653</td><td class="line"> <span class='keyword'>return</span> index_remove(device, name, <span class='keyword'>false</span>);</td></tr>
9764<tr><td class="num" id="LN9654">9654</td><td class="line">}</td></tr>
9765<tr><td class="num" id="LN9655">9655</td><td class="line"> </td></tr>
9766<tr><td class="num" id="LN9656">9656</td><td class="line"> </td></tr>
9767<tr><td class="num" id="LN9657">9657</td><td class="line">status_t</td></tr>
9768<tr><td class="num" id="LN9658">9658</td><td class="line">_user_getcwd(<span class='keyword'>char</span>* userBuffer, size_t size)</td></tr>
9769<tr><td class="num" id="LN9659">9659</td><td class="line">{</td></tr>
9770<tr><td class="num" id="LN9660">9660</td><td class="line"> <span class='keyword'>if</span> (size == 0)</td></tr>
9771<tr><td class="num" id="LN9661">9661</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
9772<tr><td class="num" id="LN9662">9662</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userBuffer)<span class='expansion'>((addr_t)(userBuffer) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1<br>)))</span></span>)</td></tr>
9773<tr><td class="num" id="LN9663">9663</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9774<tr><td class="num" id="LN9664">9664</td><td class="line"> </td></tr>
9775<tr><td class="num" id="LN9665">9665</td><td class="line"> <span class='keyword'>if</span> (size &gt; kMaxPathLength)</td></tr>
9776<tr><td class="num" id="LN9666">9666</td><td class="line"> size = kMaxPathLength;</td></tr>
9777<tr><td class="num" id="LN9667">9667</td><td class="line"> </td></tr>
9778<tr><td class="num" id="LN9668">9668</td><td class="line"> KPath pathBuffer(size);</td></tr>
9779<tr><td class="num" id="LN9669">9669</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9780<tr><td class="num" id="LN9670">9670</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9781<tr><td class="num" id="LN9671">9671</td><td class="line"> </td></tr>
9782<tr><td class="num" id="LN9672">9672</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"user_getcwd: buf %p, %ld\n"</span>, userBuffer, size))<span class='expansion'>;</span></span>;</td></tr>
9783<tr><td class="num" id="LN9673">9673</td><td class="line"> </td></tr>
9784<tr><td class="num" id="LN9674">9674</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9785<tr><td class="num" id="LN9675">9675</td><td class="line"> </td></tr>
9786<tr><td class="num" id="LN9676">9676</td><td class="line"> status_t status = get_cwd(path, size, <span class='keyword'>false</span>);</td></tr>
9787<tr><td class="num" id="LN9677">9677</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9788<tr><td class="num" id="LN9678">9678</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9789<tr><td class="num" id="LN9679">9679</td><td class="line"> </td></tr>
9790<tr><td class="num" id="LN9680">9680</td><td class="line"> <span class='comment'>// Copy back the result</span></td></tr>
9791<tr><td class="num" id="LN9681">9681</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(userBuffer, path, size) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9792<tr><td class="num" id="LN9682">9682</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9793<tr><td class="num" id="LN9683">9683</td><td class="line"> </td></tr>
9794<tr><td class="num" id="LN9684">9684</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9795<tr><td class="num" id="LN9685">9685</td><td class="line">}</td></tr>
9796<tr><td class="num" id="LN9686">9686</td><td class="line"> </td></tr>
9797<tr><td class="num" id="LN9687">9687</td><td class="line"> </td></tr>
9798<tr><td class="num" id="LN9688">9688</td><td class="line">status_t</td></tr>
9799<tr><td class="num" id="LN9689">9689</td><td class="line">_user_setcwd(<span class='keyword'>int</span> fd, <span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
9800<tr><td class="num" id="LN9690">9690</td><td class="line">{</td></tr>
9801<tr><td class="num" id="LN9691">9691</td><td class="line"> <span class='macro'>TRACE((<span class='string_literal'>"user_setcwd: path = %p\n"</span>, userPath))<span class='expansion'>;</span></span>;</td></tr>
9802<tr><td class="num" id="LN9692">9692</td><td class="line"> </td></tr>
9803<tr><td class="num" id="LN9693">9693</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
9804<tr><td class="num" id="LN9694">9694</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9805<tr><td class="num" id="LN9695">9695</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9806<tr><td class="num" id="LN9696">9696</td><td class="line"> </td></tr>
9807<tr><td class="num" id="LN9697">9697</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9808<tr><td class="num" id="LN9698">9698</td><td class="line"> </td></tr>
9809<tr><td class="num" id="LN9699">9699</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
9810<tr><td class="num" id="LN9700">9700</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9811<tr><td class="num" id="LN9701">9701</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9812<tr><td class="num" id="LN9702">9702</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9813<tr><td class="num" id="LN9703">9703</td><td class="line"> }</td></tr>
9814<tr><td class="num" id="LN9704">9704</td><td class="line"> </td></tr>
9815<tr><td class="num" id="LN9705">9705</td><td class="line"> <span class='keyword'>return</span> set_cwd(fd, userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span> ? path : <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
9816<tr><td class="num" id="LN9706">9706</td><td class="line">}</td></tr>
9817<tr><td class="num" id="LN9707">9707</td><td class="line"> </td></tr>
9818<tr><td class="num" id="LN9708">9708</td><td class="line"> </td></tr>
9819<tr><td class="num" id="LN9709">9709</td><td class="line">status_t</td></tr>
9820<tr><td class="num" id="LN9710">9710</td><td class="line">_user_change_root(<span class='keyword'>const</span> <span class='keyword'>char</span>* userPath)</td></tr>
9821<tr><td class="num" id="LN9711">9711</td><td class="line">{</td></tr>
9822<tr><td class="num" id="LN9712">9712</td><td class="line"> <span class='comment'>// only root is allowed to chroot()</span></td></tr>
9823<tr><td class="num" id="LN9713">9713</td><td class="line"> <span class='keyword'>if</span> (geteuid() != 0)</td></tr>
9824<tr><td class="num" id="LN9714">9714</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NOT_ALLOWED<span class='expansion'>((-2147483647 - 1) + 15)</span></span>;</td></tr>
9825<tr><td class="num" id="LN9715">9715</td><td class="line"> </td></tr>
9826<tr><td class="num" id="LN9716">9716</td><td class="line"> <span class='comment'>// alloc path buffer</span></td></tr>
9827<tr><td class="num" id="LN9717">9717</td><td class="line"> KPath pathBuffer(<span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>);</td></tr>
9828<tr><td class="num" id="LN9718">9718</td><td class="line"> <span class='keyword'>if</span> (pathBuffer.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9829<tr><td class="num" id="LN9719">9719</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9830<tr><td class="num" id="LN9720">9720</td><td class="line"> </td></tr>
9831<tr><td class="num" id="LN9721">9721</td><td class="line"> <span class='comment'>// copy userland path to kernel</span></td></tr>
9832<tr><td class="num" id="LN9722">9722</td><td class="line"> <span class='keyword'>char</span>* path = pathBuffer.LockBuffer();</td></tr>
9833<tr><td class="num" id="LN9723">9723</td><td class="line"> <span class='keyword'>if</span> (userPath != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
9834<tr><td class="num" id="LN9724">9724</td><td class="line"> <span class='keyword'>if</span> (!<span class='macro'>IS_USER_ADDRESS(userPath)<span class='expansion'>((addr_t)(userPath) &lt;= (0x0 + ((0x80000000 - 0x10000) - 1)<br>))</span></span></td></tr>
9835<tr><td class="num" id="LN9725">9725</td><td class="line"> || user_strlcpy(path, userPath, <span class='macro'>B_PATH_NAME_LENGTH<span class='expansion'>(1024)</span></span>) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9836<tr><td class="num" id="LN9726">9726</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9837<tr><td class="num" id="LN9727">9727</td><td class="line"> }</td></tr>
9838<tr><td class="num" id="LN9728">9728</td><td class="line"> </td></tr>
9839<tr><td class="num" id="LN9729">9729</td><td class="line"> <span class='comment'>// get the vnode</span></td></tr>
9840<tr><td class="num" id="LN9730">9730</td><td class="line"> <span class='keyword'>struct</span> vnode* vnode;</td></tr>
9841<tr><td class="num" id="LN9731">9731</td><td class="line"> status_t status = path_to_vnode(path, <span class='keyword'>true</span>, &amp;vnode, <span class='macro'>NULL<span class='expansion'>__null</span></span>, <span class='keyword'>false</span>);</td></tr>
9842<tr><td class="num" id="LN9732">9732</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
9843<tr><td class="num" id="LN9733">9733</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
9844<tr><td class="num" id="LN9734">9734</td><td class="line"> </td></tr>
9845<tr><td class="num" id="LN9735">9735</td><td class="line"> <span class='comment'>// set the new root</span></td></tr>
9846<tr><td class="num" id="LN9736">9736</td><td class="line"> <span class='keyword'>struct</span> io_context* context = get_current_io_context(<span class='keyword'>false</span>);</td></tr>
9847<tr><td class="num" id="LN9737">9737</td><td class="line"> mutex_lock(&amp;sIOContextRootLock);</td></tr>
9848<tr><td class="num" id="LN9738">9738</td><td class="line"> <span class='keyword'>struct</span> vnode* oldRoot = context-&gt;root;</td></tr>
9849<tr><td class="num" id="LN9739">9739</td><td class="line"> context-&gt;root = vnode;</td></tr>
9850<tr><td class="num" id="LN9740">9740</td><td class="line"> mutex_unlock(&amp;sIOContextRootLock);</td></tr>
9851<tr><td class="num" id="LN9741">9741</td><td class="line"> </td></tr>
9852<tr><td class="num" id="LN9742">9742</td><td class="line"> put_vnode(oldRoot);</td></tr>
9853<tr><td class="num" id="LN9743">9743</td><td class="line"> </td></tr>
9854<tr><td class="num" id="LN9744">9744</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
9855<tr><td class="num" id="LN9745">9745</td><td class="line">}</td></tr>
9856<tr><td class="num" id="LN9746">9746</td><td class="line"> </td></tr>
9857<tr><td class="num" id="LN9747">9747</td><td class="line"> </td></tr>
9858<tr><td class="num" id="LN9748">9748</td><td class="line"><span class='keyword'>int</span></td></tr>
9859<tr><td class="num" id="LN9749">9749</td><td class="line">_user_open_query(dev_t device, <span class='keyword'>const</span> <span class='keyword'>char</span>* userQuery, size_t queryLength,</td></tr>
9860<tr><td class="num" id="LN9750">9750</td><td class="line"> uint32 flags, port_id port, int32 token)</td></tr>
9861<tr><td class="num" id="LN9751">9751</td><td class="line">{</td></tr>
9862<tr><td class="num" id="LN9752">9752</td><td class="line"> <span class='keyword'>char</span>* query;</td></tr>
9863<tr><td class="num" id="LN9753">9753</td><td class="line"> </td></tr>
9864<tr><td class="num" id="LN9754">9754</td><td class="line"> <span class='keyword'>if</span> (device &lt; 0 || userQuery == <span class='macro'>NULL<span class='expansion'>__null</span></span> || queryLength == 0)</td></tr>
9865<tr><td class="num" id="LN9755">9755</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
9866<tr><td class="num" id="LN9756">9756</td><td class="line"> </td></tr>
9867<tr><td class="num" id="LN9757">9757</td><td class="line"> <span class='comment'>// this is a safety restriction</span></td></tr>
9868<tr><td class="num" id="LN9758">9758</td><td class="line"> <span class='keyword'>if</span> (queryLength &gt;= 65536)</td></tr>
9869<tr><td class="num" id="LN9759">9759</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NAME_TOO_LONG<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 4)</span></span>;</td></tr>
9870<tr><td class="num" id="LN9760">9760</td><td class="line"> </td></tr>
9871<tr><td class="num" id="LN9761">9761</td><td class="line"> query = (<span class='keyword'>char</span>*)malloc(queryLength + 1);</td></tr>
9872<tr><td class="num" id="LN9762">9762</td><td class="line"> <span class='keyword'>if</span> (query == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
9873<tr><td class="num" id="LN9763">9763</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
9874<tr><td class="num" id="LN9764">9764</td><td class="line"> <span class='keyword'>if</span> (user_strlcpy(query, userQuery, queryLength + 1) &lt; <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
9875<tr><td class="num" id="LN9765">9765</td><td class="line"> free(query);</td></tr>
9876<tr><td class="num" id="LN9766">9766</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_ADDRESS<span class='expansion'>(((-2147483647 - 1) + 0x1000) + 0x301)</span></span>;</td></tr>
9877<tr><td class="num" id="LN9767">9767</td><td class="line"> }</td></tr>
9878<tr><td class="num" id="LN9768">9768</td><td class="line"> </td></tr>
9879<tr><td class="num" id="LN9769">9769</td><td class="line"> <span class='keyword'>int</span> fd = query_open(device, query, flags, port, token, <span class='keyword'>false</span>);</td></tr>
9880<tr><td class="num" id="LN9770">9770</td><td class="line"> </td></tr>
9881<tr><td class="num" id="LN9771">9771</td><td class="line"> free(query);</td></tr>
9882<tr><td class="num" id="LN9772">9772</td><td class="line"> <span class='keyword'>return</span> fd;</td></tr>
9883<tr><td class="num" id="LN9773">9773</td><td class="line">}</td></tr>
9884<tr><td class="num" id="LN9774">9774</td><td class="line"> </td></tr>
9885<tr><td class="num" id="LN9775">9775</td><td class="line"> </td></tr>
9886<tr><td class="num" id="LN9776">9776</td><td class="line"><span class='directive'>#include "vfs_request_io.cpp"</span></td></tr>
9887</table></body></html>