linux-kernel - Re: [PATCH] block: needs to set the residual length of a bidi request.

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Message-ID: <4A2DD019.6000503@kernel.org>
Date:	Tue, 09 Jun 2009 11:59:37 +0900
From:	Tejun Heo <tj@...nel.org>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
CC:	jens.axboe@...cle.com, giridhar.malavali@...gic.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] block: needs to set the residual length of a bidi request.

FUJITA Tomonori wrote:
> This is against for-2.6.31.
> 
> This should fix the following problem:
> 
> http://marc.info/?l=linux-scsi&m=124449210813269&w=2
> 
> =
> From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> Subject: [PATCH] block: needs to set the residual length of a bidi request
> 
> Tejun's "block: set rq->resid_len to blk_rq_bytes() on issue" patch
> seems to be incomplete; It doesn't set rq->resid_len to blk_rq_bytes()
> for a bidi request (req->next_rq). As a result, all bidi users are
> broken.
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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