[Fwd: Re: rootfs and /dev/root]

[Fwd: Re: rootfs and /dev/root]

[Carl-Daniel Hailfinger]

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This seems to be a possible solution for reiserfsck of root partition.

Regards,
Carl-Daniel

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From: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
To: Mark Dascher <strogian@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: rootfs and /dev/root
Date: Wed, 21 May 2003 14:29:10 +0300
Message-ID: <200305211122.h4LBMsu10591@Port.imtp.ilyichevsk.odessa.ua>

On 21 May 2003 04:14, Mark Dascher wrote:
> I'm curious about the two entries in /proc/mounts:
> rootfs and /dev/root.  Although I don't have much
> experience with this, I've looked through some of the
> kernel source code (e.g. fs/namespace.c or
> init/do_mounts.c).  All I can come up with (actually,
> this is pretty much what I thought before I looked at
> any code) is that rootfs is purely a kernel-generated
> filesystem.  The kernel creates the /dev/root device
> there, and then mounts /dev/root at / (replacing
> rootfs).

Yes that's what happens. Guys are planning to be able to
*really* umount real (disk-based) root fs someday
and continue halt/reboot sequence using files (scripts etc)
on this virtual rootfs.

So there will be both 'early userspace' and 'late userspace' ;)

IMHO.
--
vda
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