diff options
| -rw-r--r-- | fs/xfs/xfs_mount.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 812c3a53523c..1c086c4b872c 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -277,6 +277,25 @@ typedef struct xfs_mount { #define XFS_FEAT_BIGTIME (1ULL << 24) /* large timestamps */ #define XFS_FEAT_NEEDSREPAIR (1ULL << 25) /* needs xfs_repair */ +/* Mount features */ +#define XFS_FEAT_NOATTR2 (1ULL << 48) /* disable attr2 creation */ +#define XFS_FEAT_NOALIGN (1ULL << 49) /* ignore alignment */ +#define XFS_FEAT_ALLOCSIZE (1ULL << 50) /* user specified allocation size */ +#define XFS_FEAT_LARGE_IOSIZE (1ULL << 51) /* report large preferred + * I/O size in stat() */ +#define XFS_FEAT_WSYNC (1ULL << 52) /* synchronous metadata ops */ +#define XFS_FEAT_DIRSYNC (1ULL << 53) /* synchronous directory ops */ +#define XFS_FEAT_DISCARD (1ULL << 54) /* discard unused blocks */ +#define XFS_FEAT_GRPID (1ULL << 55) /* group-ID assigned from directory */ +#define XFS_FEAT_SMALL_INUMS (1ULL << 56) /* user wants 32bit inodes */ +#define XFS_FEAT_IKEEP (1ULL << 57) /* keep empty inode clusters*/ +#define XFS_FEAT_SWALLOC (1ULL << 58) /* stripe width allocation */ +#define XFS_FEAT_FILESTREAMS (1ULL << 59) /* use filestreams allocator */ +#define XFS_FEAT_DAX_ALWAYS (1ULL << 60) /* DAX always enabled */ +#define XFS_FEAT_DAX_NEVER (1ULL << 61) /* DAX never enabled */ +#define XFS_FEAT_NORECOVERY (1ULL << 62) /* no recovery - dirty fs */ +#define XFS_FEAT_NOUUID (1ULL << 63) /* ignore uuid during mount */ + #define __XFS_HAS_FEAT(name, NAME) \ static inline bool xfs_has_ ## name (struct xfs_mount *mp) \ { \ @@ -292,6 +311,7 @@ static inline void xfs_add_ ## name (struct xfs_mount *mp) \ xfs_sb_version_add ## name(&mp->m_sb); \ } +/* Superblock features */ __XFS_ADD_FEAT(attr, ATTR) __XFS_HAS_FEAT(nlink, NLINK) __XFS_ADD_FEAT(quota, QUOTA) @@ -320,6 +340,30 @@ __XFS_HAS_FEAT(bigtime, BIGTIME) __XFS_HAS_FEAT(needsrepair, NEEDSREPAIR) /* + * Mount features + * + * These do not change dynamically - features that can come and go, + * such as 32 bit inodes and read-only state, are kept as flags rather than + * features. + */ +__XFS_HAS_FEAT(noattr2, NOATTR2) +__XFS_HAS_FEAT(noalign, NOALIGN) +__XFS_HAS_FEAT(allocsize, ALLOCSIZE) +__XFS_HAS_FEAT(large_iosize, LARGE_IOSIZE) +__XFS_HAS_FEAT(wsync, WSYNC) +__XFS_HAS_FEAT(dirsync, DIRSYNC) +__XFS_HAS_FEAT(discard, DISCARD) +__XFS_HAS_FEAT(grpid, GRPID) +__XFS_HAS_FEAT(small_inums, SMALL_INUMS) +__XFS_HAS_FEAT(ikeep, IKEEP) +__XFS_HAS_FEAT(swalloc, SWALLOC) +__XFS_HAS_FEAT(filestreams, FILESTREAMS) +__XFS_HAS_FEAT(dax_always, DAX_ALWAYS) +__XFS_HAS_FEAT(dax_never, DAX_NEVER) +__XFS_HAS_FEAT(norecovery, NORECOVERY) +__XFS_HAS_FEAT(nouuid, NOUUID) + +/* * Flags for m_flags. */ #define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops |