From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jgarzik@pobox.com>
Subject: Re: [PATCH] libata-dev-2.6-ncq: rewrite __ata_qc_complete
Date: Sun, 26 Jun 2005 13:27:47 -0400
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To: Tejun Heo <htejun@gmail.com>
Cc: axboe@suse.de, linux-ide@vger.kernel.org

Tejun Heo wrote:
>  Hello, Jeff.
>  Hello, Jens.
> 
>  This is the fource, no, fourth (dang, that starwars) of six misc
> updates to ncq.
> 
>  This patch rewrites __ata_qc_complete() to make it look more sane.
> Also, remove spurious clearing of ATA_QCFLAG_ACTIVE from
> ata_qc_complete().
> 
>  Signed-off-by: Tejun Heo <htejun@gmail.com>

I'll have to stare at this a bit more.  This has big potential for 
creating races if not perfect.