From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754590AbYIWD6T (ORCPT ); Mon, 22 Sep 2008 23:58:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753239AbYIWD6J (ORCPT ); Mon, 22 Sep 2008 23:58:09 -0400 Received: from casper.infradead.org ([85.118.1.10]:38725 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753225AbYIWD6I (ORCPT ); Mon, 22 Sep 2008 23:58:08 -0400 Date: Mon, 22 Sep 2008 20:58:08 -0700 From: Arjan van de Ven To: Neil Brown Cc: Ingo Molnar , linux-kernel@vger.kernel.org, davej@redhat.com Subject: Re: [PATCH] raid: make RAID autodetect default a KConfig option Message-ID: <20080922205808.033436f7@infradead.org> In-Reply-To: <18648.26191.479291.883160@notabene.brown> References: <20080921154541.371f2ebe@infradead.org> <20080922082728.GB6601@elte.hu> <18648.26191.479291.883160@notabene.brown> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.11; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 23 Sep 2008 13:45:19 +1000 Neil Brown wrote: > On Monday September 22, mingo@elte.hu wrote: > > > > * Arjan van de Ven wrote: > > > > > From 812bf9a448d96375a3aec5c51764d74cace85abb Mon Sep 17 00:00:00 > > > 2001 From: Arjan van de Ven > > > Date: Sun, 21 Sep 2008 15:44:32 -0700 > > > Subject: [PATCH] raid: make RAID autodetect default a KConfig > > > option > > > > > > RAID autodetect has the side effect of requiring synchronisation > > > of all device drivers, which can make the boot several seconds > > > longer (I've measured 7 on one of my laptops).... even for > > > systems that don't have RAID setup for the root filesystem (the > > > only FS where this matters). > > > > > > This patch makes the default for autodetect a config option; > > > either way the user can always override via the kernel command > > > line. > > > > Neil, if you agree with this patch, could you please send your > > Acked-by line? This patch depends on a clean-up in > > init/do_mounts_md.c that is in the fastboot tree so it would be > > logistically easier/better if we could queue this up towards > > upstream via tip/fastboot. > > Yes, > Acked-by: NeilBrown > > I'm not a big fan of autodetect in any case, and this patch seems to > cover all the bases I can think of. > thanks pushed to git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-fastboot.git master Ingo, please pull -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org