# Re: \[PATCH v2 2/6\] block: add queue\_to\_disk() to get gendisk from request\_queue

- From: Mike Snitzer \<hidden\>
- Date: 2021-01-27 17:23:40 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2021/01/6400570
- Thread: https://ratatoskr.run/linux-block/2021/01/6400532/t.md

```text
On Mon, Jan 25 2021 at  7:13am -0500,
Jeffle Xu [ref] 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 <redacted>
> Review-by: Mike Snitzer [ref]

^typo

Reviewed-by: Mike Snitzer <redacted>

```