[PATCH 03/15] xfs: factor btree block freeing into a helper

[Dave Chinner <david@xxxxxxxxxxxxx>]

From: Christoph Hellwig <hch@xxxxxx>

Source kernel commit c46ee8ad7856b58eeb383c30ce847897f85c4103

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
---
 libxfs/xfs_btree.c | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c
index 14d8bf3..f4a1c67 100644
--- a/libxfs/xfs_btree.c
+++ b/libxfs/xfs_btree.c
@@ -290,6 +290,19 @@ xfs_btree_sblock_verify_crc(
        return true;
 }
 
+static int
+xfs_btree_free_block(
+       struct xfs_btree_cur    *cur,
+       struct xfs_buf          *bp)
+{
+       int                     error;
+
+       error = cur->bc_ops->free_block(cur, bp);
+       if (!error)
+               XFS_BTREE_STATS_INC(cur, free);
+       return error;
+}
+
 /*
  * Delete the btree cursor.
  */
@@ -3282,12 +3295,11 @@ xfs_btree_kill_iroot(
 #endif
        xfs_btree_copy_ptrs(cur, pp, cpp, numrecs);
 
-       error = cur->bc_ops->free_block(cur, cbp);
+       error = xfs_btree_free_block(cur, cbp);
        if (error) {
                XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR);
                return error;
        }
-       XFS_BTREE_STATS_INC(cur, free);
 
        cur->bc_bufs[level - 1] = NULL;
        be16_add_cpu(&block->bb_level, -1);
@@ -3320,14 +3332,12 @@ xfs_btree_kill_root(
         */
        cur->bc_ops->set_root(cur, newroot, -1);
 
-       error = cur->bc_ops->free_block(cur, bp);
+       error = xfs_btree_free_block(cur, bp);
        if (error) {
                XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR);
                return error;
        }
 
-       XFS_BTREE_STATS_INC(cur, free);
-
        cur->bc_bufs[level] = NULL;
        cur->bc_ra[level] = 0;
        cur->bc_nlevels--;
@@ -3833,10 +3843,9 @@ xfs_btree_delrec(
        }
 
        /* Free the deleted block. */
-       error = cur->bc_ops->free_block(cur, rbp);
+       error = xfs_btree_free_block(cur, rbp);
        if (error)
                goto error0;
-       XFS_BTREE_STATS_INC(cur, free);
 
        /*
         * If we joined with the left neighbor, set the buffer in the
-- 
2.7.0