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From: James Bottomley <James.Bottomley@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jeff Garzik <jeff@garzik.org>,
	"Nicholas A. Bellinger" <nab@linux-iscsi.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5] SCSI host lock push-down
Date: Tue, 16 Nov 2010 17:36:52 +0000	[thread overview]
Message-ID: <1289929012.11405.12.camel@mulgrave.site> (raw)
In-Reply-To: <AANLkTi=GGq0tMAWtwa-yQBpmpA8JCSWu1XK1rQ2j_Cmo@mail.gmail.com>

On Tue, 2010-11-16 at 09:25 -0800, Linus Torvalds wrote:
> On Mon, Nov 15, 2010 at 11:10 PM, Jeff Garzik <jeff@garzik.org> wrote:
> >
> > Move the mid-layer's ->queuecommand() invocation from being locked
> > with the host lock to being unlocked to facilitate speeding up the
> > critical path for drivers who don't need this lock taken anyway.
> 
> Looks ok to me. How should I take this? Just as a patch? Or should it
> go through the scsi tree?

I was thinking through next for a few days to see if anything breaks in
the architectures with scsi drivers we can't compile on x86 ... but
realistically that will happen in -rcX as well, so I'm happy either way.

James



  reply	other threads:[~2010-11-16 17:37 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-12 23:55 [GIT PULL] SCSI queuecommand API change for 2.6.37-rc1 James Bottomley
2010-11-13  0:38 ` Nicholas A. Bellinger
2010-11-13  1:42 ` Linus Torvalds
2010-11-13  1:42   ` Linus Torvalds
2010-11-13  2:03   ` Jeff Garzik
2010-11-13  2:09     ` Jeff Garzik
2010-11-13  2:30       ` Linus Torvalds
2010-11-13  4:28   ` Matthew Wilcox
2010-11-13  4:42     ` Linus Torvalds
2010-11-13  5:26       ` Jeff Garzik
2010-11-13  6:01       ` James Bottomley
2010-11-13  6:07         ` Jeff Garzik
2010-11-13  7:18           ` Nicholas A. Bellinger
2010-11-16  6:57         ` Jeff Garzik
2010-11-16  7:08           ` Jeff Garzik
2010-11-13  5:16   ` [PATCH v4] SCSI host lock push-down Jeff Garzik
2010-11-13  6:01     ` Jeff Garzik
2010-11-16  7:10     ` [PATCH v5] " Jeff Garzik
2010-11-16  7:31       ` Jeff Garzik
2010-11-16 17:25       ` Linus Torvalds
2010-11-16 17:36         ` James Bottomley [this message]
2010-11-16 21:30           ` Linus Torvalds
2010-11-16 21:32             ` James Bottomley
2010-11-16 21:26         ` Jeff Garzik

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