From: Chris Mason <chris.mason@oracle.com>
To: Miao Xie <miaox@cn.fujitsu.com>
Cc: Linux Btrfs <linux-btrfs@vger.kernel.org>,
Itaru Kitayama <kitayama@cl.bb4u.ne.jp>
Subject: Re: [PATCH V2] btrfs: implement delayed inode items operation
Date: Thu, 17 Feb 2011 20:09:00 -0500 [thread overview]
Message-ID: <1297991261-sup-6831@think> (raw)
In-Reply-To: <4D5CB6B8.2060804@cn.fujitsu.com>
Excerpts from Miao Xie's message of 2011-02-17 00:48:40 -0500:
> Compare with Ext3/4, the performance of file creation and deletion on btrfs
> is very poor. the reason is that btrfs must do a lot of b+ tree insertions,
> such as inode item, directory name item, directory name index and so on.
>
> If we can do some delayed b+ tree insertion or deletion, we can improve the
> performance, so we made this patch which implemented delayed directory name
> index insertion/deletion and delayed inode update.
This work is really cool, thanks for doing it. I'm starting a run on
this tonight and if all goes well I'll review in detail and try to queue
it along with the per-subvolume storage bits for .39.
Thanks!
-chris
next prev parent reply other threads:[~2011-02-18 1:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 5:48 [PATCH V2] btrfs: implement delayed inode items operation Miao Xie
2011-02-18 1:09 ` Chris Mason [this message]
2011-02-18 9:08 ` Miao Xie
2011-02-18 12:19 ` Chris Mason
2011-02-18 13:09 ` Miao Xie
2011-02-18 14:35 ` Chris Mason
2011-02-22 9:58 ` Miao Xie
2011-03-05 3:44 ` David Nicol
2011-02-18 13:30 ` David Sterba
2011-02-18 14:13 ` Miao Xie
-- strict thread matches above, loose matches on Subject: below --
2011-02-24 14:02 Itaru Kitayama
2011-03-03 6:15 ` Miao Xie
2011-03-05 2:35 ` Itaru Kitayama
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