xfs: convert buffer verifiers to an ops structure.

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

diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index 5b240de104c0a39955bac019f384990a1e6fb457..f932897194eb33b5be8d8131a98c1941fbea26e7 100644 (file)
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -188,6 +188,8 @@ struct xfs_btree_ops {
        __int64_t (*key_diff)(struct xfs_btree_cur *cur,
                              union xfs_btree_key *key);
 
+       const struct xfs_buf_ops        *buf_ops;
+
 #ifdef DEBUG
        /* check that k1 is lower than k2 */
        int     (*keys_inorder)(struct xfs_btree_cur *cur,
@@ -355,7 +357,8 @@ xfs_btree_read_bufl(
        xfs_fsblock_t           fsbno,  /* file system block number */
        uint                    lock,   /* lock flags for read_buf */
        struct xfs_buf          **bpp,  /* buffer for fsbno */
-       int                     refval);/* ref count value for buffer */
+       int                     refval, /* ref count value for buffer */
+       const struct xfs_buf_ops *ops);
 
 /*
  * Read-ahead the block, don't wait for it, don't return a buffer.
@@ -365,7 +368,8 @@ void                                        /* error */
 xfs_btree_reada_bufl(
        struct xfs_mount        *mp,    /* file system mount point */
        xfs_fsblock_t           fsbno,  /* file system block number */
-       xfs_extlen_t            count); /* count of filesystem blocks */
+       xfs_extlen_t            count,  /* count of filesystem blocks */
+       const struct xfs_buf_ops *ops);
 
 /*
  * Read-ahead the block, don't wait for it, don't return a buffer.
@@ -376,8 +380,20 @@ xfs_btree_reada_bufs(
        struct xfs_mount        *mp,    /* file system mount point */
        xfs_agnumber_t          agno,   /* allocation group number */
        xfs_agblock_t           agbno,  /* allocation group block number */
-       xfs_extlen_t            count); /* count of filesystem blocks */
+       xfs_extlen_t            count,  /* count of filesystem blocks */
+       const struct xfs_buf_ops *ops);
 
+/*
+ * Initialise a new btree block header
+ */
+void
+xfs_btree_init_block(
+       struct xfs_mount *mp,
+       struct xfs_buf  *bp,
+       __u32           magic,
+       __u16           level,
+       __u16           numrecs,
+       unsigned int    flags);
 
 /*
  * Common btree core entry points.