From: Jan Kara Subject: Re: FW: ext4 out of order when use cfq scheduler Date: Wed, 22 Jun 2016 15:09:23 +0200 Message-ID: <20160622130923.GD16492@quack2.suse.cz> References: <20160107102420.GB8380@quack.suse.cz> <20160107114736.GC8380@quack.suse.cz> <20160313042723.GC29218@thunk.org> <20160314073928.GD5213@quack.suse.cz> <20160314143635.GM29218@thunk.org> <20160315104634.GG17942@quack.suse.cz> <20160315144633.GA12352@quack.suse.cz> <20160315200951.GA1445@quack.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "jack@suse.cz" , "linux-ext4@vger.kernel.org" , Theodore Ts'o To: "HUANG Weller (CM/ESW12-CN)" Return-path: Received: from mx2.suse.de ([195.135.220.15]:49678 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752432AbcFVNJ0 (ORCPT ); Wed, 22 Jun 2016 09:09:26 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: 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 SUSE Labs, CR