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Date:   Thu, 6 Dec 2018 21:10:53 -0500
From:   Mike Snitzer <snitzer@redhat.com>
To:     Jens Axboe <axboe@kernel.dk>
Cc:     "jianchao.wang" <jianchao.w.wang@oracle.com>,
        "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        Bart Van Assche <bvanassche@acm.org>
Subject: Re: block: fix direct dispatch issue failure for clones
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On Thu, Dec 06 2018 at  8:58pm -0500,
Mike Snitzer <snitzer@redhat.com> wrote:

> DM is forced to worry about all these details, as covered some in
> the header for commit 396eaf21ee17c476e8f66249fb1f4a39003d0ab4, it is
> trying to have its cake and eat it too.

Gah, obviously meant: DM is _NOT_ trying to have its cake and eat it too.

> It just wants IO scheduling to work for request-based DM devices.