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Mon, 01 Jun 2020 07:35:03 -0700 (PDT) Subject: Re: [PATCHSET v5 0/12] Add support for async buffered reads From: Jens Axboe To: sedat.dilek@gmail.com Cc: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org References: <20200526195123.29053-1-axboe@kernel.dk> <230d3380-0269-d113-2c32-6e4fb94b79b8@kernel.dk> Message-ID: <455dd2c1-7346-2d43-4266-1367c368cee1@kernel.dk> Date: Mon, 1 Jun 2020 08:35:01 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 78242181E6F69 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 6/1/20 8:14 AM, Jens Axboe wrote: > On 6/1/20 8:13 AM, Sedat Dilek wrote: >> On Mon, Jun 1, 2020 at 4:04 PM Jens Axboe wrote: >>> >>> On 6/1/20 7:35 AM, Sedat Dilek wrote: >>>> Hi Jens, >>>> >>>> with Linux v5.7 final I switched to linux-block.git/for-next and reverted... >>>> >>>> "block: read-ahead submission should imply no-wait as well" >>>> >>>> ...and see no boot-slowdowns. >>> >>> Can you try with these patches applied instead? Or pull my async-readahead >>> branch from the same location. >>> >> >> Yes, I can do that. >> I pulled from linux-block.git#async-readahead and will report later. >> >> Any specific testing desired by you? > > Just do your boot timing test and see if it works, thanks. Actually, can you just re-test with the current async-buffered.6 branch? I think the major surgery should wait for 5.9, we can do this a bit easier without having to touch everything around us. -- Jens Axboe