[XFS] remove i_gen from incore inode

[safe/jmp/linux-2.6] / fs / xfs / xfs_ag.h

diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index dc2361d..2bfd863 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 */
@@ -150,7 +152,7 @@ typedef struct xfs_agi {
 #define        XFS_BUF_TO_AGFL(bp)     ((xfs_agfl_t *)XFS_BUF_PTR(bp))
 
 typedef struct xfs_agfl {
-       xfs_agblock_t   agfl_bno[1];    /* actually XFS_AGFL_SIZE(mp) */
+       __be32          agfl_bno[1];    /* actually XFS_AGFL_SIZE(mp) */
 } xfs_agfl_t;
 
 /*
@@ -186,14 +188,27 @@ 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 */
-#ifdef __KERNEL__
-       lock_t          pagb_lock;      /* lock for pagb_list */
-#endif
+       xfs_agino_t     pagi_count;     /* number of allocated inodes */
        int             pagb_count;     /* pagb slots in use */
        xfs_perag_busy_t *pagb_list;    /* unstable blocks */
+#ifdef __KERNEL__
+       spinlock_t      pagb_lock;      /* lock for pagb_list */
+
+       atomic_t        pagf_fstrms;    /* # of filestreams active in this AG */
+
+       int             pag_ici_init;   /* incore inode cache initialised */
+       rwlock_t        pag_ici_lock;   /* incore inode lock */
+       struct radix_tree_root pag_ici_root;    /* incore inode cache root */
+#endif
 } xfs_perag_t;
 
+/*
+ * tags for inode radix tree
+ */
+#define XFS_ICI_RECLAIM_TAG    0       /* inode is to be reclaimed */
+
 #define        XFS_AG_MAXLEVELS(mp)            ((mp)->m_ag_maxlevels)
 #define        XFS_MIN_FREELIST_RAW(bl,cl,mp)  \
        (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))