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From: Bill Huey (hui) <billh@gnuppy.monkey.org>
To: Christoph Hellwig <hch@lst.de>
Cc: jack@suse.cz, akpm@osdl.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peter@programming.kicks-ass.net>,
	"Bill Huey (hui)" <billh@gnuppy.monkey.org>
Subject: Re: [PATCH] remove sb->s_files and file_list_lock usage in dquot.c
Date: Thu, 8 Feb 2007 23:23:12 -0800	[thread overview]
Message-ID: <20070209072312.GA29036@gnuppy.monkey.org> (raw)
In-Reply-To: <20070209071404.GC28281@gnuppy.monkey.org>

On Thu, Feb 08, 2007 at 11:14:04PM -0800, Bill Huey wrote:
> I have an adaptive lock implementation in my tree that eliminates
> the contention between what looks like the IDE layer, work queues and
> the anticipatory scheduler, but that's not a real problem unlike what
> I've mentioned above. I can get you and others more specifics on the
> problem if folks working on the lower layers want it.

Correction, it eliminates all of the "live" contentions where the
mutex owner isn't asleep already.

bill


      reply	other threads:[~2007-02-09  7:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-06 13:23 Christoph Hellwig
2007-02-06 13:46 ` Jan Kara
2007-02-06 23:50 ` Andrew Morton
2007-02-07  7:22   ` Christoph Hellwig
2007-02-07 18:03     ` Jan Engelhardt
2007-02-07 19:06       ` Christoph Hellwig
2007-02-08 12:22         ` Jan Engelhardt
2007-02-07  8:35   ` Jan Kara
2007-02-08  9:01 ` Bill Huey
2007-02-09  7:14   ` Bill Huey
2007-02-09  7:23     ` Bill Huey [this message]

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