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Date: Wed, 15 Mar 2023 22:10:43 +0900
From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Christoph Hellwig <hch@lst.de>
Cc: kernel test robot <yujie.liu@intel.com>, oe-lkp@lists.linux.dev,
	lkp@intel.com, linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Keith Busch <kbusch@kernel.org>, Dave Jiang <dave.jiang@intel.com>,
	Ira Weiny <ira.weiny@intel.com>, Jens Axboe <axboe@kernel.dk>,
	Minchan Kim <minchan@kernel.org>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	Vishal Verma <vishal.l.verma@intel.com>,
	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: <20230315131043.GA1927891@google.com>
References: <202303101630.ef282023-yujie.liu@intel.com>
 <20230315075816.GA32694@lst.de>
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In-Reply-To: <20230315075816.GA32694@lst.de>

On (23/03/15 08:58), Christoph Hellwig wrote:
> 
> I think this simply accounts for the I/Os now that were skipped
> when using the bdev_read/write path before.

Oh, that would explain it. Otherwise I was slightly surprised (in a good
way) and puzzled.