[dm-devel] [PATCH v2 2/6] block: add queue_to_disk() to get gendisk from request_queue

[Mike Snitzer]

On Mon, Jan 25 2021 at  7:13am -0500,
Jeffle Xu <jefflexu at linux.alibaba.com> wrote:

> Sometimes we need to get the corresponding gendisk from request_queue.
> 
> It is preferred that block drivers store private data in
> gendisk->private_data rather than request_queue->queuedata, e.g. see:
> commit c4a59c4e5db3 ("dm: stop using ->queuedata").
> 
> So if only request_queue is given, we need to get its corresponding
> gendisk to get the private data stored in that gendisk.
> 
> Signed-off-by: Jeffle Xu <jefflexu at linux.alibaba.com>
> Review-by: Mike Snitzer <snitzer at redhat.com>

^typo

Reviewed-by: Mike Snitzer <snitzer at redhat.com>