2006-02-08 06:47:48

by Chris Wright

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

-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 <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---

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);

--