[PATCH] SCSI: turn off ordered flush barriers

Turn off ordered flush barriers for SCSI driver, since the SCSI barrier
code has a command leak.
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/scsi/scsi_lib.c

@@ -1534,11 +1534,6 @@ struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
 	 */
 	if (shost->ordered_tag)
 		blk_queue_ordered(q, QUEUE_ORDERED_TAG);
-	else if (shost->ordered_flush) {
-		blk_queue_ordered(q, QUEUE_ORDERED_FLUSH);
-		q->prepare_flush_fn = scsi_prepare_flush_fn;
-		q->end_flush_fn = scsi_end_flush_fn;
-	}
 
 	if (!shost->use_clustering)
 		clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags);