Re: [PATCH 1/1] [SCSI] Fix a bug in deriving the FLUSH_TIMEOUT from the basic I/O timeout

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On Fri, Jul 18, 2014 at 10:12:38AM -0700, hch@xxxxxxxxxxxxx wrote:
> This is what I plan to put in after it passes basic testing:

And that one was on top of my previous version.  One that applies
against core-for-3.17 below:

---
>From 8a79783e5f72ec034a724e16c1f46604bd97bf68 Mon Sep 17 00:00:00 2001
From: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>
Date: Fri, 18 Jul 2014 17:11:27 +0200
Subject: sd: fix a bug in deriving the FLUSH_TIMEOUT from the basic I/O
 timeout

Commit ID: 7e660100d85af860e7ad763202fff717adcdaacd added code to derive the
FLUSH_TIMEOUT from the basic I/O timeout. However, this patch did not use the
basic I/O timeout of the device. Fix this bug.

Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Reviewed-by: James Bottomley <JBottomley@xxxxxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/scsi/sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 377a520..9ffb393 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -880,7 +880,7 @@ static int sd_setup_flush_cmnd(struct scsi_cmnd *cmd)
 	cmd->transfersize = 0;
 	cmd->allowed = SD_MAX_RETRIES;
 
-	rq->timeout *= SD_FLUSH_TIMEOUT_MULTIPLIER;
+	rq->timeout = rq->q->rq_timeout * SD_FLUSH_TIMEOUT_MULTIPLIER;
 	return BLKPREP_OK;
 }
 
-- 
1.9.1

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