Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261883AbVD1DpV (ORCPT ); Wed, 27 Apr 2005 23:45:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261893AbVD1DpV (ORCPT ); Wed, 27 Apr 2005 23:45:21 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:30444 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S261883AbVD1DpQ (ORCPT ); Wed, 27 Apr 2005 23:45:16 -0400 Subject: Re: [RFC][PATCH] Reduce ext3 allocate-with-reservation lock latencies From: Lee Revell To: cmm@us.ibm.com Cc: Andrew Morton , "Stephen C. Tweedie" , Ingo Molnar , linux-kernel In-Reply-To: <1114207837.7339.50.camel@localhost.localdomain> References: <1112673094.14322.10.camel@mindpipe> <20050405041359.GA17265@elte.hu> <1112765751.3874.14.camel@localhost.localdomain> <20050407081434.GA28008@elte.hu> <1112879303.2859.78.camel@sisko.sctweedie.blueyonder.co.uk> <1112917023.3787.75.camel@dyn318043bld.beaverton.ibm.com> <1112971236.1975.104.camel@sisko.sctweedie.blueyonder.co.uk> <1112983801.10605.32.camel@dyn318043bld.beaverton.ibm.com> <1113220089.2164.52.camel@sisko.sctweedie.blueyonder.co.uk> <1113244710.4413.38.camel@localhost.localdomain> <1113249435.2164.198.camel@sisko.sctweedie.blueyonder.co.uk> <1113288087.4319.49.camel@localhost.localdomain> <1113304715.2404.39.camel@sisko.sctweedie.blueyonder.co.uk> <1113348434.4125.54.camel@dyn318043bld.beaverton.ibm.com> <1113388142.3019.12.camel@sisko.sctweedie.blueyonder.co.uk> <1114207837.7339.50.camel@localhost.localdomain> Content-Type: text/plain Date: Wed, 27 Apr 2005 23:45:12 -0400 Message-Id: <1114659912.16933.5.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.2.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 572 Lines: 17 On Fri, 2005-04-22 at 15:10 -0700, Mingming Cao wrote: > Please review. I have tested on fsx on SMP box. Lee, if you got time, > please try this patch. I have tested and this does fix the problem. I ran my tests and no ext3 code paths showed up on the latency tracer at all, it never went above 33 usecs. Please apply. Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/