From mboxrd@z Thu Jan 1 00:00:00 1970 From: Karel Zak Subject: Re: [PATCH v4] relatime: Make relatime smarter Date: Tue, 2 Dec 2008 12:10:25 +0100 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 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 To: Matthew Wilcox Return-path: 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 Content-Disposition: inline In-Reply-To: <20081128134055.GQ25548@parisc-linux.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: 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