uint m_rsumsize; /* size of rt summary, bytes */
int m_fixedfsid[2]; /* unchanged for life of FS */
uint m_qflags; /* quota status flags */
- uint64_t m_flags; /* global mount flags */
uint64_t m_features; /* active filesystem features */
uint64_t m_low_space[XFS_LOWSP_MAX];
uint64_t m_low_rtexts[XFS_LOWSP_MAX];
/*
* 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
+ * These do not change dynamically - features that can come and go, such as 32
+ * bit inodes and read-only state, are kept as operational state rather than
* features.
*/
__XFS_HAS_FEAT(noattr2, NOATTR2)
__XFS_HAS_FEAT(nouuid, NOUUID)
/*
- * Flags for m_flags.
+ * Operational mount state flags
+ *
+ * Use these with atomic bit ops only!
*/
-#define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops
- must be synchronous except
- for space allocations */
-#define XFS_MOUNT_UNMOUNTING (1ULL << 1) /* filesystem is unmounting */
-#define XFS_MOUNT_WAS_CLEAN (1ULL << 3)
-#define XFS_MOUNT_FS_SHUTDOWN (1ULL << 4) /* atomic stop of all filesystem
- operations, typically for
- disk errors in metadata */
-#define XFS_MOUNT_DISCARD (1ULL << 5) /* discard unused blocks */
-#define XFS_MOUNT_NOALIGN (1ULL << 7) /* turn off stripe alignment
- allocations */
-#define XFS_MOUNT_ATTR2 (1ULL << 8) /* allow use of attr2 format */
-#define XFS_MOUNT_GRPID (1ULL << 9) /* group-ID assigned from directory */
-#define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */
-#define XFS_MOUNT_ALLOCSIZE (1ULL << 12) /* specified allocation size */
-#define XFS_MOUNT_SMALL_INUMS (1ULL << 14) /* user wants 32bit inodes */
-#define XFS_MOUNT_32BITINODES (1ULL << 15) /* inode32 allocator active */
-#define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */
-#define XFS_MOUNT_IKEEP (1ULL << 18) /* keep empty inode clusters*/
-#define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width
- * allocation */
-#define XFS_MOUNT_RDONLY (1ULL << 20) /* read-only fs */
-#define XFS_MOUNT_DIRSYNC (1ULL << 21) /* synchronous directory ops */
-#define XFS_MOUNT_LARGEIO (1ULL << 22) /* report large preferred
- * I/O size in stat() */
-#define XFS_MOUNT_FILESTREAMS (1ULL << 24) /* enable the filestreams
- allocator */
-#define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
-#define XFS_MOUNT_DAX_ALWAYS (1ULL << 26)
-#define XFS_MOUNT_DAX_NEVER (1ULL << 27)
+#define XFS_OPSTATE_UNMOUNTING 0 /* filesystem is unmounting */
+#define XFS_OPSTATE_CLEAN 1 /* mount was clean */
+#define XFS_OPSTATE_SHUTDOWN 2 /* stop all fs operations */
+#define XFS_OPSTATE_INODE32 3 /* inode32 allocator active */
+#define XFS_OPSTATE_READONLY 4 /* read-only fs */
/*
* If set, inactivation worker threads will be scheduled to process queued
* inodegc work. If not, queued inodes remain in memory waiting to be
* processed.
*/
-#define XFS_OPSTATE_INODEGC_ENABLED 0
+#define XFS_OPSTATE_INODEGC_ENABLED 5
/*
* If set, background speculative prealloc gc worker threads will be scheduled
* to process queued blockgc work. If not, inodes retain their preallocations
* until explicitly deleted.
*/
-#define XFS_OPSTATE_BLOCKGC_ENABLED 1
+#define XFS_OPSTATE_BLOCKGC_ENABLED 6
#define __XFS_IS_OPSTATE(name, NAME) \
static inline bool xfs_is_ ## name (struct xfs_mount *mp) \
return test_and_set_bit(XFS_OPSTATE_ ## NAME, &mp->m_opstate); \
}
+__XFS_IS_OPSTATE(unmounting, UNMOUNTING)
+__XFS_IS_OPSTATE(clean, CLEAN)
+__XFS_IS_OPSTATE(shutdown, SHUTDOWN)
+__XFS_IS_OPSTATE(inode32, INODE32)
+__XFS_IS_OPSTATE(readonly, READONLY)
__XFS_IS_OPSTATE(inodegc_enabled, INODEGC_ENABLED)
__XFS_IS_OPSTATE(blockgc_enabled, BLOCKGC_ENABLED)
#define XFS_OPSTATE_STRINGS \
+ { (1UL << XFS_OPSTATE_UNMOUNTING), "unmounting" }, \
+ { (1UL << XFS_OPSTATE_CLEAN), "clean" }, \
+ { (1UL << XFS_OPSTATE_SHUTDOWN), "shutdown" }, \
+ { (1UL << XFS_OPSTATE_INODE32), "inode32" }, \
+ { (1UL << XFS_OPSTATE_READONLY), "read_only" }, \
{ (1UL << XFS_OPSTATE_INODEGC_ENABLED), "inodegc" }, \
{ (1UL << XFS_OPSTATE_BLOCKGC_ENABLED), "blockgc" }
#define XFS_MAX_IO_LOG 30 /* 1G */
#define XFS_MIN_IO_LOG PAGE_SHIFT
-#define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \
- ((mp)->m_flags & XFS_MOUNT_WAS_CLEAN)
-#define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN)
+#define XFS_FORCED_SHUTDOWN(mp) xfs_is_shutdown(mp)
void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname,
int lnnum);
#define xfs_force_shutdown(m,f) \
projects / linux-2.6-microblaze.git / blobdiff