[PATCH 01/23] SCSI: turn off ordered flush barriers

[Chris Wright <chrisw@sous-sol.org>]

-stable review patch.  If anyone has any objections, please let us know.
------------------

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>
---

 drivers/scsi/scsi_lib.c |    5 -----
 1 files changed, 5 deletions(-)

Index: linux-2.6.15.3/drivers/scsi/scsi_lib.c
===================================================================
--- linux-2.6.15.3.orig/drivers/scsi/scsi_lib.c
+++ linux-2.6.15.3/drivers/scsi/scsi_lib.c
@@ -1534,11 +1534,6 @@ struct request_queue *scsi_alloc_queue(s
 	 */
 	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);

--
-
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