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Date: Mon, 15 Oct 2001 09:53:24 +0300
From: Ville Herva <vherva@mail.niksula.cs.hut.fi>
To: Alexander Viro <viro@math.psu.edu>
Cc: Bernd Eckenfels <ecki@lina.inka.de>, linux-kernel@vger.kernel.org,
        debian-devel@lists.debian.org
Subject: Re: mount --bind and -o [re: nosuid/noexec/nodev handling]
Message-ID: <20011015095323.T22640@niksula.cs.hut.fi>
In-Reply-To: <E15suoi-0006JL-00@calista.inka.de> <Pine.GSO.4.21.0110141942100.7054-100000@weyl.math.psu.edu>
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In-Reply-To: <Pine.GSO.4.21.0110141942100.7054-100000@weyl.math.psu.edu>; from viro@math.psu.edu on Sun, Oct 14, 2001 at 07:48:56PM -0400
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> On Mon, 15 Oct 2001, Bernd Eckenfels wrote:
> 
> > In article <20011014185908.P1074@niksula.cs.hut.fi> you wrote:
> > >> mount --bind /home/luser /home/luser
> > >> mount -o remount,noexec /home/luser
> > 
> > Thats nice! For example on Debian GNU/Linux one can mount /var with noexec

Yes, it is very useful, and I keep finding new uses for it all the time.

Sadly, userspace support for it is not perfect; for example cp/rsync
--one-filesystem does not see --bind mount point as a filesystem boundary.


-- v --

v@iki.fi
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