diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_btree.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_btree.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 36fd07b32daf..5a292d7a7096 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -112,6 +112,9 @@ static inline enum xbtree_key_contig xbtree_key_contig(uint64_t x, uint64_t y) } struct xfs_btree_ops { + /* XFS_BTGEO_* flags that determine the geometry of the btree */ + unsigned int geom_flags; + /* size of the key and record structures */ size_t key_len; size_t rec_len; @@ -199,6 +202,12 @@ struct xfs_btree_ops { const union xfs_btree_key *mask); }; +/* btree geometry flags */ +#define XFS_BTGEO_LONG_PTRS (1U << 0) /* pointers are 64bits long */ +#define XFS_BTGEO_ROOT_IN_INODE (1U << 1) /* root may be variable size */ +#define XFS_BTGEO_LASTREC_UPDATE (1U << 2) /* track last rec externally */ +#define XFS_BTGEO_OVERLAPPING (1U << 3) /* overlapping intervals */ + /* * Reasons for the update_lastrec method to be called. */ @@ -281,7 +290,7 @@ struct xfs_btree_cur /* * Short btree pointers need an agno to be able to turn the pointers * into physical addresses for IO, so the btree cursor switches between - * bc_ino and bc_ag based on whether XFS_BTREE_LONG_PTRS is set for the + * bc_ino and bc_ag based on whether XFS_BTGEO_LONG_PTRS is set for the * cursor. */ union { @@ -304,17 +313,13 @@ xfs_btree_cur_sizeof(unsigned int nlevels) return struct_size_t(struct xfs_btree_cur, bc_levels, nlevels); } -/* cursor flags */ -#define XFS_BTREE_LONG_PTRS (1<<0) /* pointers are 64bits long */ -#define XFS_BTREE_ROOT_IN_INODE (1<<1) /* root may be variable size */ -#define XFS_BTREE_LASTREC_UPDATE (1<<2) /* track last rec externally */ -#define XFS_BTREE_OVERLAPPING (1<<4) /* overlapping intervals */ +/* cursor state flags */ /* * The root of this btree is a fakeroot structure so that we can stage a btree * rebuild without leaving it accessible via primary metadata. The ops struct * is dynamically allocated and must be freed when the cursor is deleted. */ -#define XFS_BTREE_STAGING (1<<5) +#define XFS_BTREE_STAGING (1U << 0) #define XFS_BTREE_NOERROR 0 #define XFS_BTREE_ERROR 1 @@ -447,7 +452,7 @@ xfs_btree_init_block_int( __u16 level, __u16 numrecs, __u64 owner, - unsigned int flags); + unsigned int geom_flags); /* * Common btree core entry points. @@ -689,7 +694,7 @@ xfs_btree_islastblock( block = xfs_btree_get_block(cur, level, &bp); - if (cur->bc_flags & XFS_BTREE_LONG_PTRS) + if (cur->bc_ops->geom_flags & XFS_BTGEO_LONG_PTRS) return block->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK); return block->bb_u.s.bb_rightsib == cpu_to_be32(NULLAGBLOCK); } |