From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755970AbXKPSkC (ORCPT ); Fri, 16 Nov 2007 13:40:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750884AbXKPSjx (ORCPT ); Fri, 16 Nov 2007 13:39:53 -0500 Received: from g5t0009.atlanta.hp.com ([15.192.0.46]:8182 "EHLO g5t0009.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750710AbXKPSjx (ORCPT ); Fri, 16 Nov 2007 13:39:53 -0500 Message-ID: <473DE3C8.9060009@hp.com> Date: Fri, 16 Nov 2007 13:39:04 -0500 From: "Alan D. Brunelle" User-Agent: Thunderbird 2.0.0.6 (X11/20071022) MIME-Version: 1.0 To: Ray Lee Cc: Andrew Morton , Rik van Riel , arjan@infradead.org, jens.axboe@oracle.com, mingo@elte.hu, linux-kernel@vger.kernel.org Subject: Re: [patch] Give kjournald a IOPRIO_CLASS_RT io priority References: <20071015104647.14e60bc5@laptopd505.fenrus.org> <20071015114738.6b5a25c7.akpm@linux-foundation.org> <20071015161315.4fe18e07@bree.surriel.com> <20071015141236.62b075c6.akpm@linux-foundation.org> <473B18BA.5000709@hp.com> <20071114091451.d4b110db.akpm@linux-foundation.org> <473DC496.6010805@hp.com> <2c0942db0711161035x5978a37bjd0f3fb67470553eb@mail.gmail.com> In-Reply-To: <2c0942db0711161035x5978a37bjd0f3fb67470553eb@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ray Lee wrote: > > Out of curiosity, what are the mount options for the freshly created > ext3 fs? In particular, are you using noatime, nodiratime? > > Ray Nope, just mount. However, the tool I'm using to read the large file & overwrite the large file does open with O_NOATIME for reads... The tool used to read the files in the read-a-tree test is dd, and I doubt(?) it does a O_NOATIME... Alan