Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DAF8C7618B for ; Wed, 15 Mar 2023 07:58:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231315AbjCOH6Z (ORCPT ); Wed, 15 Mar 2023 03:58:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231397AbjCOH6W (ORCPT ); Wed, 15 Mar 2023 03:58:22 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E23ED1F5D5; Wed, 15 Mar 2023 00:58:20 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id B287168AA6; Wed, 15 Mar 2023 08:58:16 +0100 (CET) Date: Wed, 15 Mar 2023 08:58:16 +0100 From: Christoph Hellwig To: kernel test robot Cc: Christoph Hellwig , oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, Andrew Morton , Dan Williams , Keith Busch , Dave Jiang , Ira Weiny , Jens Axboe , Minchan Kim , Sergey Senozhatsky , Vishal Verma , linux-fsdevel@vger.kernel.org, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@linux.intel.com, fengwei.yin@intel.com Subject: Re: [linus:master] [mpage] 7d28631786: fio.write_iops 27.8% improvement Message-ID: <20230315075816.GA32694@lst.de> References: <202303101630.ef282023-yujie.liu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202303101630.ef282023-yujie.liu@intel.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I think this simply accounts for the I/Os now that were skipped when using the bdev_read/write path before.