Date: Mon, 29 Oct 2012 15:34:04 -0700
From: Greg KH <gregkh@linuxfoundation.org>
To: Zhi Yong Wu <zwu.kernel@gmail.com>
Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
        linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
        linuxram@linux.vnet.ibm.com, viro@zeniv.linux.org.uk,
        david@fromorbit.com, tytso@mit.edu, cmm@us.ibm.com,
        wuzhy@linux.vnet.ibm.com, wenqing.lz@taobao.com
Subject: Re: [RFC v4+ hot_track 13/19] debugfs: introduce one function
Message-ID: <20121029223404.GA20486@kroah.com>
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 <20121029181135.GB3605@kroah.com>
 <CAEH94Li_XUxUUJDskO28OSvZPmZB3u_SpLFcVtD-04PivQSS8w@mail.gmail.com>
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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 <gregkh@linuxfoundation.org> wrote:
> > On Mon, Oct 29, 2012 at 12:30:55PM +0800, zwu.kernel@gmail.com wrote:
> >> From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
> >>
> >>   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
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