From: Douglas Gilbert <dougg@torque.net>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: michaelc@cs.wisc.edu, SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: LLDD: scatterlists only?
Date: Mon, 15 Aug 2005 16:21:37 +1000 [thread overview]
Message-ID: <43003471.5000108@torque.net> (raw)
In-Reply-To: <1124063460.18802.27.camel@mulgrave>
James Bottomley wrote:
> On Sun, 2005-08-14 at 16:24 -0700, Luben Tuikov wrote:
>
>>Did someone have a patch or was there a talk
>>that SCSI Core is moving towards sending _only_ scatterlists
>>down to LLDDs? (effectively BUG_ON(!cmd->use_sg))
>
>
> Yes, you can already see the beginnings in the -mm tree.
>
> Jens is maintaining a block tree with this in here:
>
> http://www.kernel.org/git/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=shortlog;h=rq-map
>
> And I have a scsi-block-2.6 tree based off this here:
>
> http://www.kernel.org/git/?p=linux/kernel/git/jejb/scsi-block-2.6.git;a=summary
>
> The missing (and frankly really nasty) pieces are pulling all the sg
> handling out of sg and st, but fortunately Mike Christie is working on
> that.
James,
I haven't looked at what would be involved with the sg
driver but it is good to hear Mike C. is working on it.
Hopefully scsi_cmnd::buffer and bufflen get _less_ generic
names in the process.
Doug Gilbert
next prev parent reply other threads:[~2005-08-15 6:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-14 23:24 LLDD: scatterlists only? Luben Tuikov
2005-08-14 23:51 ` James Bottomley
2005-08-15 0:08 ` Luben Tuikov
2005-08-15 6:21 ` Douglas Gilbert [this message]
2005-08-15 6:59 ` Mike Christie
2005-08-15 12:51 ` Douglas Gilbert
2005-08-15 10:17 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2005-08-14 22:22 Luben Tuikov
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