[XFS] Lazy Superblock Counters

[sfrench/cifs-2.6.git] / fs / xfs / xfs_ag.h

diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 9ece7f87ec5b29b62d28e2cb756a88028240c7b1..b1dd0029c60e7cfe0c48b8da0ac5d15968885c01 100644 (file)
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -68,6 +68,7 @@ typedef struct xfs_agf {
        __be32          agf_flcount;    /* count of blocks in freelist */
        __be32          agf_freeblks;   /* total free blocks */
        __be32          agf_longest;    /* longest free space */
+       __be32          agf_btreeblks;  /* # of blocks held in AGF btrees */
 } xfs_agf_t;
 
 #define        XFS_AGF_MAGICNUM        0x00000001
@@ -81,7 +82,8 @@ typedef struct xfs_agf {
 #define        XFS_AGF_FLCOUNT         0x00000100
 #define        XFS_AGF_FREEBLKS        0x00000200
 #define        XFS_AGF_LONGEST         0x00000400
-#define        XFS_AGF_NUM_BITS        11
+#define        XFS_AGF_BTREEBLKS       0x00000800
+#define        XFS_AGF_NUM_BITS        12
 #define        XFS_AGF_ALL_BITS        ((1 << XFS_AGF_NUM_BITS) - 1)
 
 /* disk block (xfs_daddr_t) in the AG */
@@ -186,11 +188,13 @@ typedef struct xfs_perag
        __uint32_t      pagf_flcount;   /* count of blocks in freelist */
        xfs_extlen_t    pagf_freeblks;  /* total free blocks */
        xfs_extlen_t    pagf_longest;   /* longest free space */
+       __uint32_t      pagf_btreeblks; /* # of blocks held in AGF btrees */
        xfs_agino_t     pagi_freecount; /* number of free inodes */
+       xfs_agino_t     pagi_count;     /* number of allocated inodes */
+       int             pagb_count;     /* pagb slots in use */
 #ifdef __KERNEL__
        lock_t          pagb_lock;      /* lock for pagb_list */
 #endif
-       int             pagb_count;     /* pagb slots in use */
        xfs_perag_busy_t *pagb_list;    /* unstable blocks */
 } xfs_perag_t;