#ifndef __XFS_MOUNT_H__
#define __XFS_MOUNT_H__
+
typedef struct xfs_trans_reservations {
uint tr_write; /* extent alloc trans */
uint tr_itruncate; /* truncate trans */
#define XFS_ICSB_LAZY_COUNT (1 << 1) /* accuracy not needed */
extern int xfs_icsb_init_counters(struct xfs_mount *);
-extern void xfs_icsb_sync_counters_lazy(struct xfs_mount *);
+extern void xfs_icsb_reinit_counters(struct xfs_mount *);
+extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int);
#else
#define xfs_icsb_init_counters(mp) (0)
-#define xfs_icsb_sync_counters_lazy(mp) do { } while (0)
+#define xfs_icsb_reinit_counters(mp) do { } while (0)
+#define xfs_icsb_sync_counters_flags(mp, flags) do { } while (0)
#endif
typedef struct xfs_mount {
xfs_icsb_cnts_t *m_sb_cnts; /* per-cpu superblock counters */
unsigned long m_icsb_counters; /* disabled per-cpu counters */
struct notifier_block m_icsb_notifier; /* hotplug cpu notifier */
+ struct mutex m_icsb_mutex; /* balancer sync lock */
#endif
} xfs_mount_t;
/*
* Flags for m_flags.
*/
-#define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops
+#define XFS_MOUNT_WSYNC (1ULL << 0) /* for nfs - all metadata ops
must be synchronous except
for space allocations */
-#define XFS_MOUNT_INO64 (1ULL << 1)
+#define XFS_MOUNT_INO64 (1ULL << 1)
/* (1ULL << 2) -- currently unused */
- /* (1ULL << 3) -- currently unused */
+#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_MAXIOFFSET(mp) ((mp)->m_maxioffset)
+#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_force_shutdown(m,f) \
bhv_vfs_force_shutdown((XFS_MTOVFS(m)), f, __FILE__, __LINE__)
return (xfs_agblock_t) do_div(ld, mp->m_sb.sb_agblocks);
}
+/*
+ * Per-cpu superblock locking functions
+ */
+#ifdef HAVE_PERCPU_SB
+STATIC_INLINE void
+xfs_icsb_lock(xfs_mount_t *mp)
+{
+ mutex_lock(&mp->m_icsb_mutex);
+}
+
+STATIC_INLINE void
+xfs_icsb_unlock(xfs_mount_t *mp)
+{
+ mutex_unlock(&mp->m_icsb_mutex);
+}
+#else
+#define xfs_icsb_lock(mp)
+#define xfs_icsb_unlock(mp)
+#endif
+
/*
* This structure is for use by the xfs_mod_incore_sb_batch() routine.
+ * xfs_growfs can specify a few fields which are more than int limit
*/
typedef struct xfs_mod_sb {
xfs_sb_field_t msb_field; /* Field to modify, see below */
- int msb_delta; /* Change to make to specified field */
+ int64_t msb_delta; /* Change to make to specified field */
} xfs_mod_sb_t;
#define XFS_MOUNT_ILOCK(mp) mutex_lock(&((mp)->m_ilock))
extern xfs_mount_t *xfs_mount_init(void);
extern void xfs_mod_sb(xfs_trans_t *, __int64_t);
+extern int xfs_log_sbcount(xfs_mount_t *, uint);
extern void xfs_mount_free(xfs_mount_t *mp, int remove_bhv);
extern int xfs_mountfs(struct bhv_vfs *, xfs_mount_t *mp, int);
extern void xfs_mountfs_check_barriers(xfs_mount_t *mp);
extern void xfs_unmountfs_close(xfs_mount_t *, struct cred *);
extern int xfs_unmountfs_writesb(xfs_mount_t *);
extern int xfs_unmount_flush(xfs_mount_t *, int);
-extern int xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int, int);
+extern int xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int64_t, int);
extern int xfs_mod_incore_sb_unlocked(xfs_mount_t *, xfs_sb_field_t,
- int, int);
+ int64_t, int);
extern int xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *,
uint, int);
extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int);
extern int xfs_readsb(xfs_mount_t *, int);
extern void xfs_freesb(xfs_mount_t *);
+extern int xfs_fs_writable(xfs_mount_t *);
extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int);
-extern int xfs_syncsub(xfs_mount_t *, int, int, int *);
-extern int xfs_sync_inodes(xfs_mount_t *, int, int, int *);
+extern int xfs_syncsub(xfs_mount_t *, int, int *);
+extern int xfs_sync_inodes(xfs_mount_t *, int, int *);
extern xfs_agnumber_t xfs_initialize_perag(struct bhv_vfs *, xfs_mount_t *,
xfs_agnumber_t);
extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t);
+extern int xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t);
extern struct xfs_dmops xfs_dmcore_stub;
extern struct xfs_qmops xfs_qmcore_stub;