xfs: xfs_buf: drop useless LIST_HEAD

Drop LIST_HEAD where the variable it declares has never
been used.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier x;
@@
- LIST_HEAD(x);
  ... when != x
// </smpl>

Fixes: 26f1fe858f274 ("xfs: reduce lock hold times in buffer writeback")
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index b21ea2ba768d624329d76078cfe8bab228d40cdd..eedc5e0156ff1cacaf33f18cc3a34a03e6c94311 100644 (file)
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1992,7 +1992,6 @@ xfs_buf_delwri_submit_buffers(
        struct list_head        *wait_list)
 {
        struct xfs_buf          *bp, *n;
-       LIST_HEAD               (submit_list);
        int                     pinned = 0;
        struct blk_plug         plug;