From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Galbraith <efault@gmx.de>
Subject: Re: regression: CD burning (k3b) went broke
Date: Wed, 27 Feb 2008 03:58:48 +0100
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To: Jeff Garzik <jeff@garzik.org>
Cc: Andrew Morton <akpm@linux-foundation.org>, Jens Axboe <jens.axboe@oracle.com>, LKML <linux-kernel@vger.kernel.org>, Tejun Heo <htejun@gmail.com>, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org


On Tue, 2008-02-26 at 19:46 -0500, Jeff Garzik wrote:

> I would love to get an answer as to what data_len (and of course 
> raw_data_len) should be set to AFTER the command completes, which is 
> what is going on here.

Yeah, blk_complete_sghdr_rq() used to do hdr->resid = irq->data_len,
which is modified down lower.  How/where that hdr->resid percolates back
up, and turns into a retry/nogo, I don't know.

	-Mike