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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Anders Eriksson <aeriksson@fastmail.fm>
Subject: Re: -rc3 regression (was Re: 2.6.25-rc2 + smartd = hang )
Date: Tue, 4 Mar 2008 01:33:07 +0100
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Cc: Jeff Garzik <jeff@garzik.org>, linux-kernel@vger.kernel.org,
       Linux IDE mailing list <linux-ide@vger.kernel.org>,
       Jens Axboe <jens.axboe@oracle.com>
References: <20080222165122.8D2BB93C12F@tippex.mynet.homeunix.org> <20080228143854.6350093C855@tippex.mynet.homeunix.org> <200803040116.42764.bzolnier@gmail.com>
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On Tuesday 04 March 2008, Bartlomiej Zolnierkiewicz wrote:

> Untested patch which may help in case that set_pio_mode() raced with
> the queueing of the special request and block layer doesn't call
> ->request_fn_proc again if we were preempted previously (if PREEMPT=y).

I need some sleep...  this patch is not going to help (though disabling
PREEMPT may be worth a try).  Sorry for the confusion.

Bart