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
Date: Mon, 29 Oct 2012 15:34:04 -0700 [thread overview]
Message-ID: <20121029223404.GA20486@kroah.com> (raw)
In-Reply-To: <CAEH94Li_XUxUUJDskO28OSvZPmZB3u_SpLFcVtD-04PivQSS8w@mail.gmail.com>
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
next prev parent reply other threads:[~2012-10-29 22:34 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-29 4:30 [RFC v4+ hot_track 00/19] vfs: hot data tracking zwu.kernel
2012-10-29 4:30 ` [RFC v4+ hot_track 01/19] vfs: introduce private radix tree structures zwu.kernel
2012-10-29 4:30 ` [RFC v4+ hot_track 02/19] vfs: initialize and free data structures zwu.kernel
2012-11-06 22:24 ` David Sterba
2012-11-07 6:55 ` Zhi Yong Wu
2012-11-16 6:16 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 03/19] vfs: add I/O frequency update function zwu.kernel
2012-11-05 11:07 ` Steven Whitehouse
2012-11-05 11:47 ` Zhi Yong Wu
2012-11-06 22:37 ` David Sterba
2012-11-07 7:03 ` Zhi Yong Wu
2012-11-06 22:45 ` Darrick J. Wong
2012-11-07 8:27 ` Zhi Yong Wu
2012-11-07 18:49 ` Darrick J. Wong
2012-11-08 2:52 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 04/19] vfs: add two map arrays zwu.kernel
2012-10-29 4:30 ` [RFC v4+ hot_track 05/19] vfs: add hooks to enable hot tracking zwu.kernel
2012-11-06 22:51 ` David Sterba
2012-11-07 7:06 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 06/19] vfs: add temp calculation function zwu.kernel
2012-10-29 4:30 ` [RFC v4+ hot_track 07/19] vfs: add map info update function zwu.kernel
2012-10-29 4:30 ` [RFC v4+ hot_track 08/19] vfs: add aging function zwu.kernel
2012-10-29 4:30 ` [RFC v4+ hot_track 09/19] vfs: add one work queue zwu.kernel
2012-11-05 11:21 ` Steven Whitehouse
2012-11-05 11:55 ` Zhi Yong Wu
2012-11-05 12:07 ` Steven Whitehouse
2012-11-05 12:20 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 10/19] vfs: introduce hot func register framework zwu.kernel
2012-11-06 23:14 ` David Sterba
2012-11-07 7:18 ` Zhi Yong Wu
2012-11-06 23:30 ` Darrick J. Wong
2012-11-07 8:34 ` Zhi Yong Wu
2012-11-07 18:58 ` Darrick J. Wong
2012-11-08 2:59 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 11/19] vfs: register one shrinker zwu.kernel
2012-10-29 4:30 ` [RFC v4+ hot_track 12/19] vfs: add one ioctl interface zwu.kernel
2012-11-06 23:30 ` David Sterba
2012-11-07 7:36 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 13/19] debugfs: introduce one function zwu.kernel
2012-10-29 18:11 ` Greg KH
2012-10-29 22:25 ` Zhi Yong Wu
2012-10-29 22:34 ` Greg KH [this message]
2012-10-29 22:45 ` Zhi Yong Wu
2012-10-29 22:54 ` Greg KH
2012-10-29 22:58 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 14/19] vfs: add debugfs support zwu.kernel
2012-11-06 23:45 ` David Sterba
2012-11-07 7:49 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 15/19] sysfs: add two hot_track proc files zwu.kernel
2012-10-29 18:10 ` Greg KH
2012-10-29 22:26 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 16/19] btrfs: add hot tracking support zwu.kernel
2012-11-07 0:00 ` David Sterba
2012-11-07 8:03 ` Zhi Yong Wu
2012-10-29 4:30 ` [RFC v4+ hot_track 17/19] xfs: " zwu.kernel
2012-10-29 4:31 ` [RFC v4+ hot_track 18/19] ext4: " zwu.kernel
2012-10-29 4:31 ` [RFC v4+ hot_track 19/19] vfs: add documentation zwu.kernel
2012-10-29 10:30 ` [RFC v4+ hot_track 00/19] vfs: hot data tracking Andi Kleen
2012-10-29 12:31 ` Zhi Yong Wu
2012-11-07 8:51 ` Zhi Yong Wu
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