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

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Date:	Thu, 15 Nov 2007 13:08:00 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	Jeff Garzik <jeff@...zik.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ata_sg_setup_one vs ata_sg_setup?

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.

-- 
tejun
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