From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jeff@garzik.org>
Subject: Re: [PATCH 08/14] libata: kill non-sg DMA interface
Date: Tue, 04 Dec 2007 14:31:41 -0500
Message-ID: <4755AB1D.3090206@garzik.org>
References: <1196346817387-git-send-email-htejun@gmail.com> <11963468192925-git-send-email-htejun@gmail.com>
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To: Tejun Heo <htejun@gmail.com>
Cc: linux-ide@vger.kernel.org, alan@lxorguk.ukuu.org.uk, liml@rtr.ca, albertl@mail.com, jens.axboe@oracle.com, Rusty Russel <rusty@rustcorp.com.au>

Tejun Heo wrote:
> With atapi_request_sense() converted to use sg, there's no user of
> non-sg interface.  Kill non-sg interface.
> 
> * ATA_QCFLAG_SINGLE and ATA_QCFLAG_SG are removed.  ATA_QCFLAG_DMAMAP
>   is used instead.  (this way no LLD change is necessary)
> 
> * qc->buf_virt is removed.
> 
> * ata_sg_init_one() and ata_sg_setup_one() are removed.
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>
> Cc: Rusty Russel <rusty@rustcorp.com.au>

I would move the kill-non-sg-path changes to the front of the patchset