Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758805AbXHFFg5 (ORCPT ); Mon, 6 Aug 2007 01:36:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752634AbXHFFgu (ORCPT ); Mon, 6 Aug 2007 01:36:50 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:42577 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752319AbXHFFgt (ORCPT ); Mon, 6 Aug 2007 01:36:49 -0400 Date: Mon, 6 Aug 2007 07:36:17 +0200 From: Ingo Molnar To: Theodore Tso , Linus Torvalds , Jakob Oestergaard , Jeff Garzik , miklos@szeredi.hu, akpm@linux-foundation.org, neilb@suse.de, dgc@sgi.com, tomoki.sekiyama.qu@hitachi.com, Peter Zijlstra , linux-mm@kvack.org, Linux Kernel Mailing List , nikita@clusterfs.com, trond.myklebust@fys.uio.no, yingchao.zhou@gmail.com, richard@rsk.demon.co.uk, david@lang.hm Subject: Re: [patch] implement smarter atime updates support, v2 Message-ID: <20070806053617.GB14881@elte.hu> References: <46B4C0A8.1000902@garzik.org> <20070805102021.GA4246@unthought.net> <46B5A996.5060006@garzik.org> <20070805105850.GC4246@unthought.net> <20070805124648.GA21173@elte.hu> <20070805190928.GA17433@elte.hu> <20070805192226.GA20234@elte.hu> <20070805192838.GA21704@elte.hu> <20070805204220.GB32217@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070805204220.GB32217@thunk.org> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 855 Lines: 25 * Theodore Tso wrote: > On Sun, Aug 05, 2007 at 09:28:38PM +0200, Ingo Molnar wrote: > > > > added the relatime_interval sysctl that allows the changing of the > > atime update frequency. (default: 1 day / 86400 seconds) > > What if you specify the interval as a per-mount option? i.e., > > mount -o relatime=86400 /dev/sda2 /u1 > > If you had this, I don't think we would need the sysctl tuning > parameter. it's much more flexible if there are _more_ options available. People can thus make use of the feature earlier, use it even on distros that dont support it yet, etc. Ingo - 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/