linux-ext4 - Re: [PATCH] ext4: add rb_tree cache to struct ext4_group

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Message-ID: <87y6h9y86y.fsf@linux.vnet.ibm.com>
Date:	Tue, 30 Mar 2010 23:59:25 +0530
From:	"Aneesh Kumar K. V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	jing zhang <zj.barak@...il.com>,
	linux-ext4 <linux-ext4@...r.kernel.org>
Cc:	"Theodore Ts'o" <tytso@....edu>, Andreas Dilger <adilger@....com>,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
Subject: Re: [PATCH] ext4: add rb_tree cache to struct ext4_group_info

On Sun, 28 Mar 2010 17:11:55 +0800, jing zhang <zj.barak@...il.com> wrote:
> From: Jing Zhang <zj.barak@...il.com>
> 
> Date: Sun Mar 28 17:09:33     2010
> 
> rb_tree cache is added to struct ext4_group_info at minor cost.
> 

Did we measure the cost of not doing this ? Is there a profile data that
we can look at ?

-aneesh
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