diff options
Diffstat (limited to 'fs/ocfs2/ocfs2.h')
| -rw-r--r-- | fs/ocfs2/ocfs2.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index a7c8369c402f..3749c32c2fc4 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -340,6 +340,9 @@ struct ocfs2_super /* used to protect metaecc calculation check of xattr. */ spinlock_t osb_xattr_lock; + + unsigned int osb_dx_mask; + u32 osb_dx_seed[4]; }; #define OCFS2_SB(sb) ((struct ocfs2_super *)(sb)->s_fs_info) @@ -398,6 +401,13 @@ static inline int ocfs2_meta_ecc(struct ocfs2_super *osb) return 0; } +static inline int ocfs2_supports_indexed_dirs(struct ocfs2_super *osb) +{ + if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_INDEXED_DIRS) + return 1; + return 0; +} + /* set / clear functions because cluster events can make these happen * in parallel so we want the transitions to be atomic. this also * means that any future flags osb_flags must be protected by spinlock @@ -478,6 +488,12 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb) #define OCFS2_IS_VALID_DIR_TRAILER(ptr) \ (!strcmp((ptr)->db_signature, OCFS2_DIR_TRAILER_SIGNATURE)) +#define OCFS2_IS_VALID_DX_ROOT(ptr) \ + (!strcmp((ptr)->dr_signature, OCFS2_DX_ROOT_SIGNATURE)) + +#define OCFS2_IS_VALID_DX_LEAF(ptr) \ + (!strcmp((ptr)->dl_signature, OCFS2_DX_LEAF_SIGNATURE)) + static inline unsigned long ino_from_blkno(struct super_block *sb, u64 blkno) { |