linux-kernel - Re: [ltt-dev] [PATCH 1/2] Make lttctl mount debugfs automatically

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Message-ID: <20090114020240.GA27672@zod.rchland.ibm.com>
Date:	Tue, 13 Jan 2009 21:02:40 -0500
From:	Josh Boyer <jwboyer@...il.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	Zhaolei <zhaolei@...fujitsu.com>, ltt-dev@...ts.casi.polymtl.ca,
	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>
Subject: Re: [ltt-dev] [PATCH 1/2] Make lttctl mount debugfs automatically

On Tue, Jan 13, 2009 at 03:54:19PM -0800, Greg KH wrote:
>On Thu, Jan 08, 2009 at 10:30:22PM -0500, Mathieu Desnoyers wrote:
>> * Zhaolei (zhaolei@...fujitsu.com) wrote:
>> > * From: "Mathieu Desnoyers" <compudj@...stal.dyndns.org>
>> > >* Zhaolei (zhaolei@...fujitsu.com) wrote:
>> > >> * From: "Pierre-Marc Fournier" <pierre-marc.fournier@...ymtl.ca>
>> > >> > Zhaolei wrote:
>> > >> >> lttctl need debugfs mounted,
>> > >> >> This patch make lttctl mount debugfs automatically when it is not mounted.
>> > >> >> 
>> > >> > 
>> > >> > Isn't having a utility such as lttctl mount filesystems against standard
>> > >> > unix semantics? Can you give an example of another standard command that
>> > >> > uses a filesystem and that tries to mount it if it isn't already
>> > >> > mounted? 
>> > >> Hello, Pierre-Marc,
>> > >> 
>> > >> I can give a an example.
>> > >> It is SystemTap.
>> > >> 
>> > > 
>> > > No offence, but can you find an example which is not explicitly
>> > > described as "bad taste" example by many people in the Linux kernel
>> > > community ?
>> > Hello, Mathieu
>> > 
>> > I can't find another example of mounting debugfs automatically.
>
>Have you looked?  openSUSE mounts it automatically, and I think Fedora
>also does so.

Fedora doesn't.  At least not with the last 3 stable releases.

josh
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