Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

[safe/jmp/linux-2.6] / fs / xfs / xfs_alloc_btree.c

diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index 9e63f8c..c10c3a2 100644 (file)
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -115,7 +115,7 @@ xfs_allocbt_free_block(
        xfs_agblock_t           bno;
        int                     error;
 
-       bno = XFS_DADDR_TO_AGBNO(cur->bc_mp, XFS_BUF_ADDR(bp));
+       bno = xfs_daddr_to_agbno(cur->bc_mp, XFS_BUF_ADDR(bp));
        error = xfs_alloc_put_freelist(cur->bc_tp, agbp, NULL, bno, 1);
        if (error)
                return error;
@@ -179,7 +179,7 @@ xfs_allocbt_update_lastrec(
                if (numrecs) {
                        xfs_alloc_rec_t *rrp;
 
-                       rrp = XFS_ALLOC_REC_ADDR(block, numrecs, cur);
+                       rrp = XFS_ALLOC_REC_ADDR(cur->bc_mp, block, numrecs);
                        len = rrp->ar_blockcount;
                } else {
                        len = 0;
@@ -480,3 +480,19 @@ xfs_allocbt_init_cursor(
 
        return cur;
 }
+
+/*
+ * Calculate number of records in an alloc btree block.
+ */
+int
+xfs_allocbt_maxrecs(
+       struct xfs_mount        *mp,
+       int                     blocklen,
+       int                     leaf)
+{
+       blocklen -= XFS_ALLOC_BLOCK_LEN(mp);
+
+       if (leaf)
+               return blocklen / sizeof(xfs_alloc_rec_t);
+       return blocklen / (sizeof(xfs_alloc_key_t) + sizeof(xfs_alloc_ptr_t));
+}