linux-kernel - Re: Getting debugfs mountpoint?

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Message-ID: <CAOS_Y6QgFTu9=R4aQuo4J3JMaaCSxTsNmq1rrojFuNf3B3EpUQ@mail.gmail.com>
Date:	Sun, 16 Sep 2012 15:23:12 -0500
From:	Rob Landley <rob@...dley.net>
To:	Jacob Sowles <sowlesj@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Getting debugfs mountpoint?

>From userspace? Something like:

  grep " debugfs " /proc/mounts | awk '{print $2}' | xargs echo -e

>From kernel space? There isn't guaranteed to be _one_, you can mount
multiple instances of most filesystems, and with container support you can
even have multiple debugfs superblocks.

Rob

On Fri, Sep 14, 2012 at 8:49 PM, Jacob Sowles <sowlesj@...il.com> wrote:
> Is there an easy way to get the path to where debugfs is mounted? I
> found a function called debugfs_find_mountpoint(), which is exactly
> what I want, but it’s not exported, so I can’t use it. The only
> exported debugfs functions that I could find are the ones that create,
> remove, etc.
>
> Jacob
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