GNU bug report logs - #10363
/etc/mtab -> /proc/mounts symlink affects df(1) output for /

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Goswin von Brederlow <goswin-v-b <at> web.de>
Cc: Paul Eggert <eggert <at> cs.ucla.edu>, Alan Curry <pacman-cu <at> kosh.dhis.org>, 653073 <at> bugs.debian.org, debian-devel <at> lists.debian.org, 10363 <at> debbugs.gnu.org, jidanni <at> jidanni.org, Henrique de Moraes Holschuh <hmh <at> debian.org>, rleigh <at> codelibre.net
Subject: bug#10363: /etc/mtab -> /proc/mounts symlink affects df(1) output for
Date: Fri, 20 Jan 2012 12:10:23 +0100

Goswin von Brederlow <goswin-v-b <at> web.de> writes:

> Note that in a chroot any mountpoints inside the chroot have their
> prefix removed (/home/mrvn/chroot becomes /) while others are left as
> is. That is wrong too IMHO. The filesystem the chroots / is on should
> become / even if the chroot is a directory instead of a mountpoint and
> entries outside the chroot should not be listed at all.

You can get such a view from /proc/self/mountinfo.

Andreas.

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Andreas Schwab, schwab <at> linux-m68k.org
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