On Tue, Oct 30, 2012 at 06:25:50AM +0800, Zhi Yong Wu wrote:

On Tue, Oct 30, 2012 at 2:11 AM, Greg KH [off-list ref] wrote:

quoted

On Mon, Oct 29, 2012 at 12:30:55PM +0800, zwu.kernel@gmail.com wrote:

quoted

From: Zhi Yong Wu <redacted>

  The debugfs function is used to get expected dentry.

Huh?  Why do you need this?  Why haven't you added documentation for the

It is used to determine if one sysfs directory has been created. OK, i
will add some doc, thanks for your suggestion.

You didn't answer the "why" part here.  How come you think you need
this?  Can't you just save off the dentry you created somewhere so you
don't need to look it up again?

greg k-h