[XFS] Lazy Superblock Counters

[net-next-2.6.git] / fs / xfs / xfs_mount.h

diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 871a5bfd8617d34c4b815393f69a1eff63508a5d..0bca2d4227191e2683b8c22feb292195e59d3bc0 100644 (file)
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -429,12 +429,12 @@ typedef struct xfs_mount {
 /*
  * 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 */
@@ -511,6 +511,8 @@ xfs_preferred_iosize(xfs_mount_t *mp)
 
 #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__)
@@ -602,6 +604,7 @@ typedef struct xfs_mod_sb {
 
 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);
@@ -618,6 +621,7 @@ extern int  xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *,
 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 *);
 extern int     xfs_sync_inodes(xfs_mount_t *, int, int *);