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Message-ID: <alpine.DEB.2.00.0905291240150.31247@gandalf.stny.rr.com>
Date: Fri, 29 May 2009 12:48:06 -0400 (EDT)
From: Steven Rostedt <rostedt@...dmis.org>
To: GeunSik Lim <leemgs1@...il.com>
cc: Greg KH <greg@...ah.com>,
linux-kernel <linux-kernel@...r.kernel.org>, trivial@...nel.org,
balagi@...tmail.de, bgamari@...il.com, Ingo Molnar <mingo@...e.hu>,
inaky.perez-gonzalez@...el.com
Subject: Re: [RFC V2 PATCH]debugfs:Fix terminology inconsistency of dir name
to mount debugfs filesystem.
On Sat, 30 May 2009, GeunSik Lim wrote:
>
>
> Dear Greg and Steen,
>
> Thanks your advices and opinions about a confusion according to
> too many mount directory names for debugfs. I made rfc v2 patch file again like belows.
> Can I hear your advices about below patch contents?.
>
> * ref:
> http://groups.google.com/group/linux.kernel/browse_thread/thread/c34e386587979340/dc52317f888e78b6?#dc52317f888e78b6
>
>
> Regards,
> GeunSik Lim.
>
> Subject: [PATCH] Fix terminology inconsistency of dir name to mount debugfs filesystem.
>
> Many developers use "/debug/" or "/debugfs/ directory name to mount
> debugfs filesystem for ftrace according to
> ./Documentation/tracers/ftrace.txt file.
>
> And, three directory names(ex:/debug/, /debugfs/, /sys/kernel/debug/) is
> existed in kernel source like ftrace, DRM, Wireless, Network[sky2]files
> to mount debugfs filesystem.
>
> debugfs means debug filesystem for debugging easy to use by greg kroah
> hartman. "/sys/kernel/debug/" name is suitable as directory name
> of debugfs filesystem.
> -debugfs related reference: http://lwn.net/Articles/115405/
Note, LWN has an update this week:
http://lwn.net/Articles/334546/
But it currently is subscriber only. Others would need to either buy a
subscription (plug) or wait a week for it to become open.
Still for some aspects, just having "debugfs" without the leading "/"
might just be self explanatory. We can assume the user already knows where
debugfs is mounted.
-- Steve
>
> Fix inconsistency of directory name to mount debugfs filesystem.
>
> Signed-off-by: GeunSik Lim <geunsik.lim@...sung.com>
> Acked-By: Inaky Perez-Gonzalez <inaky@...ux.intel.com>
> CC: Greg KH <greg@...ah.com>
> CC: Steven Rostedt <rostedt@...dmis.org>
> CC: linux-kernel <linux-kernel@...r.kernel.org>
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