linux-ext4 - Re: [RFC PATCH v2 0/4] ext4: extents status tree shrinker improvement

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Message-ID: <20140423053520.GA9041@gmail.com>
Date:	Wed, 23 Apr 2014 13:35:21 +0800
From:	Zheng Liu <gnehzuil.liu@...il.com>
To:	Dave Chinner <david@...morbit.com>
Cc:	Theodore Ts'o <tytso@....edu>, linux-ext4@...r.kernel.org,
	Zheng Liu <wenqing.lz@...bao.com>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	Jan Kara <jack@...e.cz>
Subject: Re: [RFC PATCH v2 0/4] ext4: extents status tree shrinker improvement

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
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