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Date: Tue, 4 Mar 2003 12:02:13 +0100
From: DervishD <raul@pleyades.net>
To: Kasper Dupont <kasperd@daimi.au.dk>
Cc: Miles Bader <miles@gnu.org>, Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: About /etc/mtab and /proc/mounts
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References: <20030219112111.GD130@DervishD> <3E5C8682.F5929A04@daimi.au.dk> <buoy942s6lt.fsf@mcspd15.ucom.lsi.nec.co.jp> <20030302125315.GH45@DervishD> <3E620E71.B74C2191@daimi.au.dk>
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    Hi Kasper :)

 Kasper Dupont dixit:
> >  Miles Bader dixit:
> > > /var is clearly the right place for this; if /var isn't mounted
> > > initially, I'd suggest that mount should simply not update any file
> > > at that point, and the init-script that mounts /var can be
> > > responsible from propagating information from /proc/mounts to
> > > /var/whatever.
> >     In an embedded system I built a time ago, /etc/mtab was first a
> > symlink to /proc/mounts, but after a while I made it a symlink to
> > /var/run/mtab. It worked OK, AFAIK.
> Did mount actually update the mtab file? The version of mount on
> my system would not.

    Of course not, it is just a symlink to a proc file ;))) I must
say that it worked OK but really only ext2 filesystems and a CDROM
were mounted, with default options. Don't know if the symlink would
have been worked if special options were used. Now that I remember,
we only use 'special' options for the CDROM (to allow mounting by
normal users) and the devpts (the permissions).

    Raśl