Re: [PATCH 1/5] blk-mq: add API to get hctx index from request

[Keith Busch]

On Thu, Jun 28, 2018 at 02:12:38PM -0700, Bart Van Assche wrote:
> Regarding the above patch: have you considered to use the existing function
> blk_mq_unique_tag_to_hwq() instead of introducing this new function?

Interesting. I think the usage I need using that is something like:

	blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(req))

Sort of a round-about way to get to the hwq from the struct request,
but I'd rather not introduce anything new if there are other ways,
so thank you for the pointer.