linux-ext4 - Re: FW: ext4 out of order when use cfq scheduler

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Message-ID: <20160622130923.GD16492@quack2.suse.cz>
Date:	Wed, 22 Jun 2016 15:09:23 +0200
From:	Jan Kara <jack@...e.cz>
To:	"HUANG Weller (CM/ESW12-CN)" <Weller.Huang@...bosch.com>
Cc:	"jack@...e.cz" <jack@...e.cz>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	Theodore Ts'o <tytso@....edu>
Subject: Re: FW: ext4 out of order when use cfq scheduler

Hi,

On Wed 22-06-16 11:55:12, HUANG Weller (CM/ESW12-CN) wrote:
> I saw the patch " fix data exposure after a crash " in the kernel 4.6.2
> release.  I remember you provided 2 more patches for performance
> optimization. Could you tell me whether they are necessary ?

They are not necessary. They may just improve performance in some cases...

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR
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