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

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Henrique de Moraes Holschuh <hmh <at> debian.org>
Cc: Alan Curry <pacman-cu <at> kosh.dhis.org>, Goswin von Brederlow <goswin-v-b <at> web.de>, 653073 <at> bugs.debian.org, debian-devel <at> lists.debian.org, 10363 <at> debbugs.gnu.org, jidanni <at> jidanni.org, rleigh <at> codelibre.net
Subject: bug#10363: [Pkg-sysvinit-devel] Bug#653073: bug#10363: /etc/mtab -> /proc/mounts symlink affects df(1) output for
Date: Thu, 19 Jan 2012 14:17:11 -0800

On 01/19/12 08:30, Henrique de Moraes Holschuh wrote:
> On the app side, I will tell you what you're likely to get back from the
> crowd on LKML:  write a proper BSD/MIT/LGPL library

This argument would have stronger force if there were real code in
a real application, code that solved the overall problem -- code
that we could read and run.  I don't know of any such code.

> the kernel is not in any better position to remove shadowed paths
> than userspace, both are perfectly capable of doing it.

This seems to contradict an earlier comment made by someone else,
"So at the moment is a bit of a guess which entries are real and which
are obscured." <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=10363#53>

I don't know who's right, nor do I understand what all the underlying
issues are.  I expect most other app developers are in a similar boat.
It's not a good situation to be in.

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