From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Huey (hui) Subject: Re: [PATCH] remove sb->s_files and file_list_lock usage in dquot.c Date: Thu, 8 Feb 2007 23:23:12 -0800 Message-ID: <20070209072312.GA29036@gnuppy.monkey.org> References: <20070206132333.GA9919@lst.de> <20070208090121.GA28005@gnuppy.monkey.org> <20070209071404.GC28281@gnuppy.monkey.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: jack@suse.cz, akpm@osdl.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Peter Zijlstra , "Bill Huey (hui)" To: Christoph Hellwig Return-path: Received: from adsl-69-232-92-238.dsl.sndg02.pacbell.net ([69.232.92.238]:46014 "EHLO gnuppy.monkey.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946167AbXBIHXW (ORCPT ); Fri, 9 Feb 2007 02:23:22 -0500 Content-Disposition: inline In-Reply-To: <20070209071404.GC28281@gnuppy.monkey.org> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.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