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

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Message-ID: <20070718080935.GC11657@kernel.dk>
Date:	Wed, 18 Jul 2007 10:09:35 +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 Tue, Jul 17 2007, Linus Torvalds wrote:
> 
> 
> On Wed, 18 Jul 2007, Bartlomiej Zolnierkiewicz wrote:
> > 
> > The new generic SG layer is CONFIG_SCSI=y "generic" in the current tree.
> 
> Yeah. I know, I already talked to Jens about it - in order to be generic, 
> the BSG stuff really does end up having to be able to stand on its own, 
> since not everybody wants/needs the whole SCSI layer.

Fully agree!

> > > obviously the older SCSI-ioctl layer) it should "just work".
> > 
> > Agreed but IDE driver has never claimed to have full SAT layer and
> > full SCSI-ioctl layer support has been provided only for ide-cd.
> 
> I agree, and understand why it happened, but hope that maybe it can be 
> improved in the future, or at least the error returned earlier so that the 
> request will never even hit the ATA device at all if the IDE layer cannot 
> then handle it.
> 
> > For now it should be sufficient to revert ide.c chunks of
> > 
> > commit 3d6392cfbd7dc11f23058e3493683afab4ac13a3
> 
> Jens?

Yep, those were probably a little over eager. I can see that this revert
has already been executed, so perfect.

Yep, those were probably a little over eager. I can see that this revert
has already been executed, so perfect.

-- 
Jens Axboe

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