linux-kernel - Re: [PATCH 2/5] debugfs: function to know if debugfs is initialized

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Date:	Mon, 23 Mar 2009 09:18:05 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>, Greg KH <gregkh@...e.de>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/5] debugfs: function to know if debugfs is initialized


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> With ftrace, some tracers are registered in early initcalls
> and attempt to create files on the debugfs filesystem.
> Depending on when they are activated, they can try to create their
> file at any time. Some checks can be done on the tracing area
> but providing a helper to know if debugfs is registered make it
> really more easy.
> 
> Cc: Greg Kroah-Hartman <gregkh@...e.de>
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
> ---
>  fs/debugfs/inode.c      |   16 ++++++++++++++++
>  include/linux/debugfs.h |    8 ++++++++
>  2 files changed, 24 insertions(+), 0 deletions(-)

Greg, is this patch is fine with you?

If yes, then would you mind if we picked this up into the tracing 
tree - as a subsequent fix-patch relies on it. There's no debugfs 
patches pending that i can see that would conflict with this.

	Ingo
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