From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754626AbYLBLLA (ORCPT ); Tue, 2 Dec 2008 06:11:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754500AbYLBLKt (ORCPT ); Tue, 2 Dec 2008 06:10:49 -0500 Received: from mx2.redhat.com ([66.187.237.31]:53158 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752997AbYLBLKr (ORCPT ); Tue, 2 Dec 2008 06:10:47 -0500 Date: Tue, 2 Dec 2008 12:10:25 +0100 From: Karel Zak To: Matthew Wilcox Cc: Jamie Lokier , Matthew Garrett , Christoph Hellwig , Alan Cox , Randy Dunlap , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, mingo@redhat.com, val.henson@gmail.com Subject: Re: [PATCH v4] relatime: Make relatime smarter Message-ID: <20081202111025.GI2956@nb.net.home> References: <492DD035.5020705@oracle.com> <20081127150126.GA20941@srcf.ucam.org> <20081127150341.GB20941@srcf.ucam.org> <20081127163535.775729bf@lxorguk.ukuu.org.uk> <20081127164754.GC22963@srcf.ucam.org> <20081127165929.GA23366@srcf.ucam.org> <20081127170615.GB14991@infradead.org> <20081127175813.GA24354@srcf.ucam.org> <20081128111809.GH6138@shareable.org> <20081128134055.GQ25548@parisc-linux.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081128134055.GQ25548@parisc-linux.org> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 28, 2008 at 06:40:55AM -0700, Matthew Wilcox wrote: > On Fri, Nov 28, 2008 at 11:18:09AM +0000, Jamie Lokier wrote: > > Matthew Garrett wrote: > > > The time between atime updates can be configured at boot > > > with the relatime_interval kernel argument, or at runtime through a sysctl. > > > > Shouldn't it be a per-mount value, with defaults coming from the sysctl? > > Perhaps a more sensible question would be "Why make it configurable at this is GNOME-mentality :-) > all?" What's wrong with hardcoding 24 hours? Or, to put it another > way, who wants to change it from 24 hours, and why? Why do you think that 24 hours is the right default value? Do you have any logical argument for this setting? Karel -- Karel Zak