[PATCH 12/29] kill wbuf_queued/wbuf_dwork_lock

[Sebastian Huber]

From: Al Viro <viro at ZenIV.linux.org.uk>

schedule_delayed_work() happening when the work is already pending is
a cheap no-op.  Don't bother with ->wbuf_queued logics - it's both
broken (cancelling ->wbuf_dwork leaves it set, as spotted by Jeff Harris)
and pointless.  It's cheaper to let schedule_delayed_work() handle that
case.

Reported-by: Jeff Harris <jefftharris at gmail.com>
Tested-by: Jeff Harris <jefftharris at gmail.com>
Cc: stable at vger.kernel.org
Signed-off-by: Al Viro <viro at zeniv.linux.org.uk>

0	2	cpukit/libfs/src/jffs2/src/jffs2_fs_sb.h

diff --git a/cpukit/libfs/src/jffs2/src/jffs2_fs_sb.h b/cpukit/libfs/src/jffs2/src/jffs2_fs_sb.h
index 413ef89c2d..046fee8b6e 100644
--- a/cpukit/libfs/src/jffs2/src/jffs2_fs_sb.h
+++ b/cpukit/libfs/src/jffs2/src/jffs2_fs_sb.h
@@ -134,8 +134,6 @@ struct jffs2_sb_info {
 	struct rw_semaphore wbuf_sem;	/* Protects the write buffer */
 
 	struct delayed_work wbuf_dwork; /* write-buffer write-out work */
-	int wbuf_queued;                /* non-zero delayed work is queued */
-	spinlock_t wbuf_dwork_lock;     /* protects wbuf_dwork and and wbuf_queued */
 
 	unsigned char *oobbuf;
 	int oobavail; /* How many bytes are available for JFFS2 in OOB */
-- 
2.13.7