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Date: Sat, 15 Sep 2012 03:11:04 +0100
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Jacob Sowles <sowlesj@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Getting debugfs mountpoint?
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On Fri, Sep 14, 2012 at 07:07:43PM -0700, Jacob Sowles wrote:
> Multiple instances of my code can be run simultaneously, and all
> instances use the same debugfs directory, so I need the path to the
> debugfs root directory so that I can use filp_open to get the dentry
> for that directory.

What's wrong with just storing a pointer to that dentry in a variable?
And what do you want an opened file (of a directory, at that) on debugfs?