From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DE4032563 for ; Wed, 15 Mar 2023 07:58:26 +0000 (UTC) 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> Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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) I think this simply accounts for the I/Os now that were skipped when using the bdev_read/write path before.