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

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Message #56 received at 10363 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Goswin von Brederlow <goswin-v-b <at> web.de>
Cc: 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, rleigh <at> codelibre.net
Subject: Re: bug#10363: /etc/mtab -> /proc/mounts symlink affects df(1) output
	for
Date: Wed, 18 Jan 2012 10:12:36 -0800

On 01/18/12 06:25, Goswin von Brederlow wrote:
> What df should do is automatically skip the entries that are obscured or
> generally inaccessible.

Isn't this missing some of the larger context?  df is just doing what
lots of other programs do: finding out what file systems one has,
and reporting statistics on them.  It sounds suboptimal to require
the maintainers of all these programs (coreutils, nautilus, etc.)
to rewrite their apps to deal with obscured entries.  Surely it would
be better to have the kernel ordinarily return just the ordinary entries,
and to return obscured entries only when they are specially requested.
That way, this issue would be isolated to the few bits of code that really
want to see obscured entries.

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