linux-kernel - Re: [PATCH] block: fix residual byte count handling

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Message-ID: <20080304192551.GU6704@kernel.dk>
Date:	Tue, 4 Mar 2008 20:25:51 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Mike Galbraith <efault@....de>
Cc:	Tejun Heo <htejun@...il.com>, FUJITA Tomonori <tomof@....org>,
	fujita.tomonori@....ntt.co.jp,
	James.Bottomley@...senPartnership.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	linux-scsi@...r.kernel.org, jgarzik@...ox.com, bzolnier@...il.com
Subject: Re: [PATCH] block: fix residual byte count handling

On Tue, Mar 04 2008, Mike Galbraith wrote:
> 
> On Wed, 2008-03-05 at 01:42 +0900, Tejun Heo wrote:
> 
> > The following patch gets the writing going.
> 
> Bingo.

Pretty please test this on top of current -git?

I'll merge this up, it should do the trick. Would just be nice if you
could verify! :-)

diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index fecba05..e5c6f6a 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -757,7 +757,7 @@ void scsi_finish_command(struct scsi_cmnd *cmd)
 				"Notifying upper driver of completion "
 				"(result %x)\n", cmd->result));
 
-	good_bytes = scsi_bufflen(cmd);
+	good_bytes = scsi_bufflen(cmd) + cmd->request->extra_len;
         if (cmd->request->cmd_type != REQ_TYPE_BLOCK_PC) {
 		drv = scsi_cmd_to_driver(cmd);
 		if (drv->done)

-- 
Jens Axboe

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