From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hans Reiser <reiser@namesys.com>
Subject: Re: Installing Fedora Core with root on Reiserfs
Date: Mon, 18 Jul 2005 12:32:50 -0700
Message-ID: <42DC03E2.3070807@namesys.com>
References: <42DAB928.9000303@namesys.com> <200507181701.26284.russell@coker.com.au> <42DB5DB3.3020809@namesys.com> <42DBD1F5.5030105@suse.com>
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Return-path: <reiserfs-list-return-25188-reiserfs=m.gmane.org@namesys.com>
list-help: <mailto:reiserfs-list-help@namesys.com>
list-unsubscribe: <mailto:reiserfs-list-unsubscribe@namesys.com>
list-post: <mailto:reiserfs-list@namesys.com>
Errors-To: flx@namesys.com
In-Reply-To: <42DBD1F5.5030105@suse.com>
List-Id: <reiserfs-devel.vger.kernel.org>
Content-Type: text/plain; charset="us-ascii"
To: Edward Shishkin <edward@namesys.com>
Cc: Jeff Mahoney <jeffm@suse.com>, russell@coker.com.au, reiserfs-list@namesys.com, fedora-test-list@redhat.com

Edward, please drive this to a solution.  Thanks Jeff.

Hans

Jeff Mahoney wrote:

> Edward Shishkin wrote:
>
> >Russell Coker wrote:
>
> >>On Monday 18 July 2005 06:01, Edward Shishkin <edward@namesys.com>
> wrote:
> >>
> >>
> >>>FC4-test3 (and perhaps FC4) installs its own version of grub which
> seems
> >>>to interact incorrectly with reiserfs. The problem is that reiserfs.ko
> >>>module located on reiserfs partition can not be loaded.
> >>>  
> >>
> >>Firstly there is no situation in which reiserfs.ko will be loaded from
> >>a reiserfs partition.
> >>
> >>
> >Hmmm... actually this is a default situation when installing with root
> >on reiserfs..
>
> >>If the root file system is reiserfs then reiserfs.ko will (or at least
> >>should) be included in the initrd.
>
> >Right, but initrd is in /boot which is not something separate: it is
> on the
> >same reiserfs root partition..
>
>
> The situation you're describing is one that is well tested by now.
>
> If the root filesystem is reiserfs, and /boot is a part of it,
> reiserfs.ko MUST be in the initrd. Otherwise, there is a chicken/egg
> problem and the system will not boot.
>
> The initrd being on a reiserfs filesystem is fine since grub doesn't use
> any kernel services when it's executing. Grub loads the kernel and the
> initrd itself before transferring control to the kernel and uses no
> kernel services to do so. Grub has its own filesystem reading code which
> gets pointed to during installation.
>
> So, if there is truly a problem with this, I'd look at Fedora's mkinitrd.
>
> -Jeff
>
>
> --
> Jeff Mahoney
> SuSE Labs