xfs: connect up write verifiers to new buffers

Metadata buffers that are read from disk have write verifiers
already attached to them, but newly allocated buffers do not. Add
appropriate write verifiers to all new metadata buffers.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index 3a4c314..458ab35 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -189,6 +189,8 @@
 			      union xfs_btree_key *key);
 
 	void	(*read_verify)(struct xfs_buf *bp);
+	void	(*write_verify)(struct xfs_buf *bp);
+
 #ifdef DEBUG
 	/* check that k1 is lower than k2 */
 	int	(*keys_inorder)(struct xfs_btree_cur *cur,