linux-kernel - Re: [PATCH] raid: make RAID autodetect default a KConfig option

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Message-ID: <20080922205808.033436f7@infradead.org>
Date:	Mon, 22 Sep 2008 20:58:08 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Neil Brown <neilb@...e.de>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	davej@...hat.com
Subject: Re: [PATCH] raid: make RAID autodetect default a KConfig option

On Tue, 23 Sep 2008 13:45:19 +1000
Neil Brown <neilb@...e.de> wrote:

> On Monday September 22, mingo@...e.hu wrote:
> > 
> > * Arjan van de Ven <arjan@...radead.org> wrote:
> > 
> > > From 812bf9a448d96375a3aec5c51764d74cace85abb Mon Sep 17 00:00:00
> > > 2001 From: Arjan van de Ven <arjan@...ux.intel.com>
> > > 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 <neilb@...e.de>
> 
> 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
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