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To:     "io-uring@vger.kernel.org" <io-uring@vger.kernel.org>,
        "Jens Axboe" <axboe@kernel.dk>,
        "Pavel Begunkov" <asml.silence@gmail.com>
Subject: Re: write / fsync ordering
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 <0d073d27-221e-3f23-2ee9-6e5c52c89b5b@gmail.com>
Date:   Tue, 28 Jan 2020 13:55:17 +0300
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From:   "Vitaliy Filippov" <vitalif@yourcmc.ru>
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Thanks, I'll try it :)

> Yes, it can reorder them. So, there are 2 ways:
> - wait for the completion
> - order the requests within io_uring
>
> I'd recommend the ordering option by using IOSQE_IO_LINK, which
> guarantees sequential execution of linked requests. There is also
> IOSQE_IO_DRAIN, but it's rather inefficient.

-- 
With best regards,
   Vitaliy Filippov