From: Eric Sandeen <sandeen@redhat.com>
To: Yongqiang Yang <xiaoqiangnk@gmail.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: [PATCH v1] ext4:Make FIEMAP and delayed allocation play well together.
Date: Thu, 24 Feb 2011 16:23:01 -0600 [thread overview]
Message-ID: <4D66DA45.5050201@redhat.com> (raw)
In-Reply-To: <1298564112-11078-1-git-send-email-xiaoqiangnk@gmail.com>
On 02/24/2011 10:15 AM, Yongqiang Yang wrote:
> 1. lookup dirty pages with specified range in pagecache.
> If no page is got, then there is no delayed-extent and
> return with EXT_CONTINUE.
> 2. find the 1st mapped buffer,
> 3. check if the mapped buffer is both in the request range
> and a delayed buffer. If not, there is no delayed-extent,
> then return.
> 4. a delayed-extent is found, the extent will be collected.
This does seem to work now; I patched xfstests to do a run
with and without sync, and both pass.
The patches for xfstests are here:
http://oss.sgi.com/pipermail/xfs/2011-February/049525.html
http://oss.sgi.com/pipermail/xfs/2011-February/049527.html
-Eric
prev parent reply other threads:[~2011-02-24 22:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-24 16:15 [PATCH v1] ext4:Make FIEMAP and delayed allocation play well together Yongqiang Yang
2011-02-24 17:17 ` Eric Sandeen
2011-02-24 21:14 ` Andreas Dilger
2011-02-25 8:05 ` Yongqiang Yang
2011-02-24 22:23 ` Eric Sandeen [this message]
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