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From: Zheng Liu <gnehzuil.liu@gmail.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Theodore Ts'o <tytso@mit.edu>,
	linux-ext4@vger.kernel.org, Zheng Liu <wenqing.lz@taobao.com>,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	Jan Kara <jack@suse.cz>
Subject: Re: [RFC PATCH v2 0/4] ext4: extents status tree shrinker improvement
Date: Wed, 23 Apr 2014 13:35:21 +0800	[thread overview]
Message-ID: <20140423053520.GA9041@gmail.com> (raw)
In-Reply-To: <20140421231002.GC15995@dastard>

On Tue, Apr 22, 2014 at 09:10:02AM +1000, Dave Chinner wrote:
> On Thu, Apr 17, 2014 at 11:35:26AM -0400, Theodore Ts'o wrote:
> > So I've been thinking about this some more, and it seems to me is
> > actually, what we need is *both* an LRU and a RR scheme.
> 
> We already have shrinker implementations that do this. It would
> probably take 10-15 lines of code to add it to any existing LRU
> list based shrinker.....

Hi Dave,

I guess that you are talking about lru list in include/linux/list_lru.h.
Thanks for pointing it out, and I will take a look at it.

Thanks,

                                                - Zheng

  reply	other threads:[~2014-04-23  5:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-16 11:30 [RFC PATCH v2 0/4] ext4: extents status tree shrinker improvement Zheng Liu
2014-04-16 11:30 ` [RFC PATCH v2 1/4] ext4: improve extents status tree trace point Zheng Liu
2014-04-16 11:30 ` [RFC PATCH v2 2/4] ext4: track extent status tree shrinker delay statictics Zheng Liu
2014-04-16 11:30 ` [RFC PATCH v2 3/4] ext4: improve extents status tree shrinker lru algorithm Zheng Liu
2014-04-16 11:30 ` [RFC PATCH v2 4/4] ext4: use a round-robin algorithm to shrink extent cache Zheng Liu
2014-04-16 15:19 ` [RFC PATCH v2 0/4] ext4: extents status tree shrinker improvement Theodore Ts'o
2014-04-16 15:42   ` Theodore Ts'o
2014-04-17 15:35     ` Theodore Ts'o
2014-04-21 13:50       ` Zheng Liu
2014-04-21 14:05         ` Theodore Ts'o
2014-04-21 14:46           ` Zheng Liu
2014-04-21 14:54             ` Theodore Ts'o
2014-04-21 23:10       ` Dave Chinner
2014-04-23  5:35         ` Zheng Liu [this message]
2014-04-24  1:46           ` Dave Chinner

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