From: Zheng Liu <gnehzuil.liu@gmail.com>
To: Theodore Ts'o <tytso@mit.edu>
Cc: linux-ext4@vger.kernel.org, jeff.liu@oracle.com,
hughd@google.com, xiaoqiangnk@gmail.com,
achender@linux.vnet.ibm.com, lczerner@redhat.com,
Zheng Liu <wenqing.lz@taobao.com>
Subject: Re: [PATCH 0/8 v3] ext4: extent status tree (step 1)
Date: Mon, 19 Nov 2012 13:28:59 +0800 [thread overview]
Message-ID: <20121119052859.GA22442@gmail.com> (raw)
In-Reply-To: <20121119031725.GA24414@thunk.org>
On Sun, Nov 18, 2012 at 10:17:25PM -0500, Theodore Ts'o wrote:
> On Fri, Oct 26, 2012 at 09:23:37PM +0800, Zheng Liu wrote:
> > Hi all,
> >
> > Here is the v3 of extent status tree. In this version, the biggest change is
> > the i_es_lock (a rwlock_t) instead of i_data_sem, which is introduced to protect
> > extent status tree. Moreover I improve the SEEK_DATA/SEEK_HOLE. In previous
> > version, the unwritten extent is as a data, and now it will lookup page cache to
> > determine it as a data or a hole. When it has some data at the given range, the
> > unwritten extent will be as a data. Otherwise, it will be as a hole. Other
> > changes contain some bug fixes.
>
> I don't think I ack'ed this patch series earlier; my apologies. In
> any case (with the comment fixup we discussed earlier), It's currently
> queued for the next merge window.
Thanks. :-)
BTW, I am trying to implement the second step of extent status tree,
which will track all extent status for an inode. After that, some
improvements will be added, such as extent-level locking, etc.
Regards,
- Zheng
prev parent reply other threads:[~2012-11-19 5:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-26 13:23 [PATCH 0/8 v3] ext4: extent status tree (step 1) Zheng Liu
2012-10-26 13:23 ` [PATCH 1/8 v3] ext4: add two structures supporting extent status tree Zheng Liu
2012-10-26 13:23 ` [PATCH 2/8 v3] ext4: add operations on " Zheng Liu
2012-11-08 23:21 ` Theodore Ts'o
2012-11-09 2:22 ` Zheng Liu
2012-10-26 13:23 ` [PATCH 3/8 v3] ext4: initialize " Zheng Liu
2012-10-26 13:23 ` [PATCH 4/8 v3] ext4: let ext4 maintain " Zheng Liu
2012-10-26 13:23 ` [PATCH 5/8 v3] ext4: add some tracepoints in " Zheng Liu
2012-10-26 13:23 ` [PATCH 6/8 v3] ext4: reimplement ext4_find_delay_alloc_range on " Zheng Liu
2012-10-26 13:23 ` [PATCH 7/8 v3] ext4: reimplement fiemap " Zheng Liu
2012-10-26 13:23 ` [PATCH 8/8 v3] ext4: introduce lseek SEEK_DATA/SEEK_HOLE support Zheng Liu
2012-10-27 10:05 ` Jeff Liu
2012-10-27 15:30 ` Zheng Liu
2012-11-19 3:17 ` [PATCH 0/8 v3] ext4: extent status tree (step 1) Theodore Ts'o
2012-11-19 5:28 ` Zheng Liu [this message]
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