linux-kernel - Re: [PATCH] ata_sg_setup_one vs ata_sg

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Date:	Thu, 15 Nov 2007 23:36:34 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Tejun Heo <htejun@...il.com>
Cc:	Jeff Garzik <jeff@...zik.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ata_sg_setup_one vs ata_sg_setup?

On Thursday 15 November 2007 15:08:00 Tejun Heo wrote:
> Rusty Russell wrote:
> > Hi Jeff,
> >
> >     Was looking through libata, and it seems to me that ata_sg_setup is a
> > superset of ata_sg_setup_one.  Am I missing something?  Seems like it
> > could be simplified.
> >
> > My machine never seems to do an ata_sg_setup_one, so this patch isn't
> > really tested...
>
> I have about the same patch queued here which also kills
> ata_sg_init_one() completely and replaces
> ATA_QCFLAG_SG/ATA_QCFLAG_SINGLE with ATA_QCFLAG_DMAMAP (now a single
> flag).  I'll compare your version and mine and see if mine is missing
> something.
>
> Thanks.

Great, thanks for the feedback.  I'd guess mine is more likely missing 
something than yours though...

Cheers,
Rusty.
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