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

Neil Brown
2008-09-23T03:45:31Z

On Monday September 22, mingo@elte.hu wrote:
>
> * Arjan van de Ven <arjan@infradead.org> wrote:
>
> > From 812bf9a448d96375a3aec5c51764d74cace85abb Mon Sep 17 00:00:00 2001
> > From: Arjan van de Ven <arjan@linux.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@suse.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,
NeilBrown