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Date: Mon, 17 Sep 2001 04:40:21 -0400 (EDT)
From: Alexander Viro <viro@math.psu.edu>
To: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.9: multiply mounting filesystem
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On Mon, 17 Sep 2001, Ulrich Windl wrote:

> Hi,
> 
> yesterday I mounted a filesystem /dev/sda9 (resierfs) twice (first time 
> as /, second time as /mnt) by mistake. Neither kernel nor mount program 
> complained. I'm very much afraid this could corrupt the filesystem. Or 
> is Linux really smart enough to handle the case?  

Yes.