xfs: use generic percpu counters for inode counter

[deliverable/linux.git] / fs / xfs / xfs_mount.h

diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 0d8abd6364d97e613d98d4f827814c7eb7beb207..76b18c8c58c5d9a027d680c3db838f3378c75356 100644 (file)
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -41,7 +41,6 @@ struct xfs_da_geometry;
 typedef struct xfs_icsb_cnts {
        uint64_t        icsb_fdblocks;
        uint64_t        icsb_ifree;
-       uint64_t        icsb_icount;
        unsigned long   icsb_flags;
 } xfs_icsb_cnts_t;
 
@@ -81,8 +80,11 @@ typedef struct xfs_mount {
        struct super_block      *m_super;
        xfs_tid_t               m_tid;          /* next unused tid for fs */
        struct xfs_ail          *m_ail;         /* fs active log item list */
-       xfs_sb_t                m_sb;           /* copy of fs superblock */
+
+       struct xfs_sb           m_sb;           /* copy of fs superblock */
        spinlock_t              m_sb_lock;      /* sb counter lock */
+       struct percpu_counter   m_icount;       /* allocated inodes counter */
+
        struct xfs_buf          *m_sb_bp;       /* buffer for superblock */
        char                    *m_fsname;      /* filesystem name */
        int                     m_fsname_len;   /* strlen of fs name */
@@ -388,6 +390,7 @@ extern void xfs_unmountfs(xfs_mount_t *);
 extern int     xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int64_t, int);
 extern int     xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *,
                        uint, int);
+extern int     xfs_mod_icount(struct xfs_mount *mp, int64_t delta);
 extern int     xfs_mount_log_sb(xfs_mount_t *);
 extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int);
 extern int     xfs_readsb(xfs_mount_t *, int);