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Date: Fri, 26 Apr 2002 13:29:33 -0400 (EDT)
From: Alexander Viro <viro@math.psu.edu>
To: Pavel Machek <pavel@ucw.cz>
cc: Michael Dreher <dreher@math.tu-freiberg.de>, linux-kernel@vger.kernel.org
Subject: Re: 2.4.19-pre7: rootfs mounted twice
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On Fri, 26 Apr 2002, Pavel Machek wrote:

> > does statfs("/", &buf); for both.  Surprise, surprise, results of
> > two calls of statf2(2) are identical - what with arguments being
> > the same both times - and refer to the filesystem where your "/"
> > lives.  I.e. to ext3.
> 
> df might be wrong, but lets say that this /proc/mounts become
> interesting. This could not have happened in the past. That means you

This _could_ happen in past - as the matter of fact, I can reproduce it
on any 2.4 kernel.  Mount something over the root of already mounted
filesystem and watch the show.

Now, we could disable showing rootfs in /proc/mounts and it might be a
good idea for 2.4,  I'm not all that sure that it's a right thing, though.

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