Ticket #5704: ext2_ext4sb.patch

src/add-ons/kernel/file_systems/ext2/ext2.h

@@ -65 +65 @@
     uint16  _reserved2;
     uint32  default_mount_options;
     uint32  first_meta_block_group;
-    uint32  _reserved3[190];
+    uint32  fs_creation_time;
+    uint32  journal_inode[17];
 
+    // ext4 support
+    uint32  num_blocks_hi;
+    uint32  reserved_blocks_hi;
+    uint32  free_blocks_hi;
+    uint16  min_inode_size;
+    uint16  want_inode_size;
+    uint32  flags;
+    uint16  raid_stride;
+    uint16  mmp_interval;
+    uint64  mmp_block;
+    uint32  raid_stripe_width;
+    uint8   groups_per_flex_shift;
+    uint8   _reserved3;
+    uint16  _reserved4;
+    uint32  _reserved5[162];
+
     uint16 Magic() const { return B_LENDIAN_TO_HOST_INT16(magic); }
     uint32 BlockShift() const { return B_LENDIAN_TO_HOST_INT32(block_shift) + 10; }
     uint32 NumInodes() const { return B_LENDIAN_TO_HOST_INT32(num_inodes); }
@@ -180 +197 @@
     uint16  uid_high;
     uint16  gid_high;
     uint32  _reserved2;
+    uint16  extra_inode_size;
+    uint16  _padding2;
 
     uint16 Mode() const { return B_LENDIAN_TO_HOST_INT16(mode); }
     uint32 Flags() const { return B_LENDIAN_TO_HOST_INT32(flags); }