From: Zheng Liu <gnehzuil.liu@gmail.com>
To: Ashish Sangwan <ashishsangwan2@gmail.com>
Cc: Theodore Ts'o <tytso@mit.edu>,
ext4 development <linux-ext4@vger.kernel.org>,
wenqing.lz@taobao.com, Ashish Sangwan <a.sangwan@samsung.com>,
Namjae Jeon <namjae.jeon@samsung.com>
Subject: Re: [PATCH] ext4: remove unneeded call to ext4_es_remove_extent in punch hole
Date: Sat, 27 Apr 2013 15:11:09 +0800 [thread overview]
Message-ID: <20130427071109.GA25329@gmail.com> (raw)
In-Reply-To: <CAOiN93n2pM0d9O=wON=nAJNxj3T3XRBfpUk4SOvgg4=3NsvcYA@mail.gmail.com>
On Sat, Apr 27, 2013 at 12:20:22PM +0530, Ashish Sangwan wrote:
> >The commit
> > log is right before we use extent status tree to track all extent
> > information. In dev branch of ext4 tree, we track all extent status in
> > status tree. So we need to remove extent from status tree in punch
> > hole.
> I was of the opinion that filemap_write_and_wait_range will remove the
> extent from status tree if its still there.
> ok, I will check the dev branch.
Ah, please bear with me. In mainline kernel 3.9-rcX, we have used
status tree to track all extent status. You could also check 3.9-rcX
kernel. Please let me know if I miss something.
Thanks,
- Zheng
next prev parent reply other threads:[~2013-04-27 6:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-27 4:30 [PATCH] ext4: remove unneeded call to ext4_es_remove_extent in punch hole Ashish Sangwan
2013-04-27 5:28 ` Zheng Liu
2013-04-27 6:50 ` Ashish Sangwan
2013-04-27 7:11 ` Zheng Liu [this message]
2013-04-29 8:40 ` Ashish Sangwan
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