From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753462AbbIPUA0 (ORCPT ); Wed, 16 Sep 2015 16:00:26 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:32080 "EHLO m0041696.ppops.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752220AbbIPUAY (ORCPT ); Wed, 16 Sep 2015 16:00:24 -0400 Date: Wed, 16 Sep 2015 16:00:12 -0400 From: Chris Mason To: Jan Kara CC: Linus Torvalds , Dave Chinner , Josef Bacik , LKML , linux-fsdevel , Neil Brown , Christoph Hellwig Subject: Re: [PATCH] fs-writeback: drop wb->list_lock during blk_finish_plug() Message-ID: <20150916200012.GB8624@ret.masoncoding.com> Mail-Followup-To: Chris Mason , Jan Kara , Linus Torvalds , Dave Chinner , Josef Bacik , LKML , linux-fsdevel , Neil Brown , Christoph Hellwig References: <55F33C2B.1010508@fb.com> <20150911231636.GC4150@ret.masoncoding.com> <20150912230027.GE4150@ret.masoncoding.com> <20150913231258.GS26895@dastard> <20150916151621.GA8624@ret.masoncoding.com> <20150916195806.GD29530@quack.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20150916195806.GD29530@quack.suse.cz> User-Agent: Mutt/1.5.23.1 (2014-03-12) X-Originating-IP: [192.168.52.123] X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151,1.0.33,0.0.0000 definitions=2015-09-16_05:2015-09-16,2015-09-16,1970-01-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 16, 2015 at 09:58:06PM +0200, Jan Kara wrote: > On Wed 16-09-15 11:16:21, Chris Mason wrote: > > Short version, Linus' patch still gives bigger IOs and similar perf to > > Dave's original. I should have done the blktrace runs for 60 seconds > > instead of 30, I suspect that would even out the average sizes between > > the three patches. > > Thanks for the data Chris. So I guess we are fine with what's currently in, > right? Looks like it works well to me. -chris