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Date:   Mon, 4 May 2020 09:00:52 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc:     linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
        Jens Axboe <axboe@kernel.dk>,
        Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH RFC 1/2] fs/iomap/direct-io: pass NOWAIT to bio flags
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On Mon, May 04, 2020 at 06:54:53PM +0300, Konstantin Khlebnikov wrote:
> This is required to avoid waiting in lower layers.
> 
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>

This looks sensible.  Did you run this through xfstests?