# Re: \[PATCH 07/18\] dm: always defer request allocation to the owner of the request\_queue

- From: Mike Snitzer \<hidden\>
- Date: 2017-01-27 16:44:53 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2017/01/6370693
- Thread: https://ratatoskr.run/linux-block/2017/01/6370318/t.md

```text
On Fri, Jan 27 2017 at 11:36am -0500,
Christoph Hellwig [ref] wrote:

> On Fri, Jan 27, 2017 at 11:34:34AM -0500, Mike Snitzer wrote:
> > Noticed after further review that it seems a bit weird to have the non
> > blk-mq support in drivers calling blk_mq_rq_to_pdu().  But I'm not sure
> > a blk_rq_to_pdu() macro to blk_mq_rq_to_pdu() is the right thing.  What
> > do you guys think?
> 
> My first version had an additional name for it, but it caused more
> confusion than help.

And renaming blk_mq_rq_to_pdu() to blk_rq_to_pdu() tree-wide would be
too much churn?

I can live with blk_mq_rq_to_pdu(); just figured I'd ask.
```