linux-kernel - Re: [linus:master] [mpage] 7d28631786: fio.write

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Message-ID: <20230315131043.GA1927891@google.com>
Date:   Wed, 15 Mar 2023 22:10:43 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Christoph Hellwig <hch@....de>
Cc:     kernel test robot <yujie.liu@...el.com>, oe-lkp@...ts.linux.dev,
        lkp@...el.com, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Keith Busch <kbusch@...nel.org>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>, Jens Axboe <axboe@...nel.dk>,
        Minchan Kim <minchan@...nel.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Vishal Verma <vishal.l.verma@...el.com>,
        linux-fsdevel@...r.kernel.org, ying.huang@...el.com,
        feng.tang@...el.com, zhengjun.xing@...ux.intel.com,
        fengwei.yin@...el.com
Subject: Re: [linus:master] [mpage] 7d28631786: fio.write_iops 27.8%
 improvement

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.