linux-kernel - Re: regression: disk error loop (panic?) ide_do_rw

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Message-ID: <20070718202740.GN11657@kernel.dk>
Date:	Wed, 18 Jul 2007 22:27:41 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Giacomo Catenazzi <cate@...eee.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	akpm@...ux-foundation.org
Subject: Re: regression: disk error loop (panic?) ide_do_rw_disk-bad:

On Wed, Jul 18 2007, Linus Torvalds wrote:
> 
> 
> On Wed, 18 Jul 2007, Jens Axboe wrote:
> > 
> > I think your analysis is pretty good, however you'd probably want to
> > incorporate that direct in ide_end_request().
> 
> Ok, that makes sense too.
> 
> And yes, the further cleanup would be:
> 
> > Better still would be to make __ide_end_request() take a byte count
> > instead and use end_that_request_chunk(). Then you can get rid of the
> > rounding as well.
> 
> and that sounds fine, but is an independent issue and not strictly 
> necessary.

Oh yeah, it's just a further improvement, not strictly necessary for
fixing this bug. So it could be done at a later time, all up to Bart...

-- 
Jens Axboe

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