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From:   Christoph Hellwig <hch@lst.de>
To:     Richard Weinberger <richard@nod.at>,
        Anton Ivanov <anton.ivanov@cambridgegreys.com>,
        Jens Axboe <axboe@kernel.dk>
Cc:     linux-um@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-block@vger.kernel.org
Subject: cleanup ubd gendisk registration
Date:   Mon, 14 Jun 2021 08:07:57 +0200
Message-Id: <20210614060759.3965724-1-hch@lst.de>
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Hi all,

this series sits on top of Jens' for-5.14/block branch and tries to
convert ubd to the new gendisk and request_queue registration helpers.
As part of that I found that the ide emulation code currently registers
two gendisk for a request_queue which leads to a bunch of problems we've
avoided in other drivers (only the mmc subsystem has a similar issue).
Given that the legacy IDE driver isn't practically used any more and
modern userspace doesn't hard code specific block drivers, so I think
we can just drop it.  Let me know if this is ok.