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Btrfs: Make the FS tree the last objectid in the tree of tree roots

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Chris Mason
2008-03-24 15:02:07 -04:00
parent a9218f6b00
commit e085def2c4
1 changed files with 8 additions and 9 deletions
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17
fs/btrfs/ctree.h
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@@ -47,24 +47,23 @@ extern struct kmem_cache *btrfs_path_cachep;
/* stores information about which extents are in use, and reference counts */ /* stores information about which extents are in use, and reference counts */
#define BTRFS_EXTENT_TREE_OBJECTID 2ULL #define BTRFS_EXTENT_TREE_OBJECTID 2ULL
/* one per subvolume, storing files and directories */
#define BTRFS_FS_TREE_OBJECTID 3ULL
/* directory objectid inside the root tree */
#define BTRFS_ROOT_TREE_DIR_OBJECTID 4ULL
/* /*
* chunk tree stores translations from logical -> physical block numbering * chunk tree stores translations from logical -> physical block numbering
* the super block points to the chunk tree * the super block points to the chunk tree
*/ */
#define BTRFS_CHUNK_TREE_OBJECTID 5ULL #define BTRFS_CHUNK_TREE_OBJECTID 3ULL
/* /*
* stores information about which areas of a given device are in use. * stores information about which areas of a given device are in use.
* one per device. The tree of tree roots points to the device tree * one per device. The tree of tree roots points to the device tree
*/ */
#define BTRFS_DEV_TREE_OBJECTID 6ULL #define BTRFS_DEV_TREE_OBJECTID 4ULL
/* one per subvolume, storing files and directories */
#define BTRFS_FS_TREE_OBJECTID 5ULL
/* directory objectid inside the root tree */
#define BTRFS_ROOT_TREE_DIR_OBJECTID 6ULL
/* /*
* All files have objectids higher than this. * All files have objectids higher than this.