Date: Thu, 27 Sep 2007 19:37:01 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Tejun Heo <htejun@gmail.com>
Cc: Mark Lord <liml@rtr.ca>, Andrew Morton <akpm@linux-foundation.org>,
       michal.k.k.piotrowski@gmail.com, bryan@arbores.ca,
       linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
       Jeff Garzik <jgarzik@pobox.com>
Subject: Re: Stardom SATA HSM violation
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	<20070905095327.6277d054.akpm@linux-foundation.org>
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> I think there have been enough cases where this draining was necessary.
>  IIRC, ata_piix was involved in those cases, right?  If so, can you
> please submit a patch which applies this only to affected controllers?
> I don't feel too confident about applying this to all SFF controllers.

Old IDE does it on all controllers bar a couple. So we have a very good
knowledge of what does/doesn't work. The one that needs care in old ide
is an ordering issue where a state machine reset done first causes the
drain of the I/O to hang.
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