From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id n0UHYgwg041671 for ; Fri, 30 Jan 2009 11:34:42 -0600 Received: from ngcobalt07.manitu.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 4266DCFF23 for ; Fri, 30 Jan 2009 09:34:00 -0800 (PST) Received: from ngcobalt07.manitu.net (ngcobalt07.manitu.net [217.11.48.107]) by cuda.sgi.com with ESMTP id ndvXAabUy0jiNvLE for ; Fri, 30 Jan 2009 09:34:00 -0800 (PST) From: Roland Eggner Subject: Re: [PATCH] enable possibility of ALL different atime mount options Date: Fri, 30 Jan 2009 10:50:00 +0100 References: <200901300322.02079.edvx1@systemanalysen.net> <4982854D.8000808@sandeen.net> <49828666.7040809@sandeen.net> In-Reply-To: <49828666.7040809@sandeen.net> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200901301050.00469.edvx1@systemanalysen.net> Reply-To: Roland Eggner List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: SGI Project XFS mailing list Cc: Eric Sandeen On Friday Jan 30th 2009 at 05:47:34 Eric Sandeen wrote: > Eric Sandeen wrote: > > Roland Eggner wrote: > >> Utako Kusaka has provided this patch > >> http://oss.sgi.com/archives/xfs/2007-10/msg00168.html > >> It works for me GRACEFULLY with ALL different atime mount options: atime|noatime|relatime. > >> Note, the mount options are effective, not only accepted. > >> Prior to this patch, mount option atime has been ignored. > > > > > > > >> Please put the patch to mainline, it would save worries for users, who need the traditional atime > >> bahavior. Think of some corner cases for desktop usage. > >> > > > > Which specific problem is this fixing for you? > > > > you say that atime is ignored; but: > > Sorry, I probably replied too quickly. But I am still curious to know > what problem you are seeing that this patch fixes. > > Thanks, > -Eric On Wed Oct 17th 2007 at 13:56:00 +0900 Utako Kusaka wrote: >The atime is changed for reading but it returns to a previous value >after unmount. And his patch fixes this, nothing more and nothing less. Think of desktop machines, where you sometimes need precise atime stamps, and where atime only inode updates don't hurt performance because CPUs are almost always idle. Think of e.g. important cron jobs, you want to know exactly, if at all, when and in which sequence they were executed. -- Roland Eggner _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs