Messages in this thread | | | Date | Wed, 4 Jun 2014 04:11:33 -0700 | From | Christoph Hellwig <> | Subject | Re: [patch]blk-mq: blk_mq_tag_to_rq should handle flush request |
| |
On Fri, May 30, 2014 at 08:09:51AM -0600, Jens Axboe wrote: > I have applied this one, but it irks me a little bit since we have > to touch q->flush_rq->stuff from a potential hot path. I haven't > thought much about this yet, but it would be a lot better if we > could fold in the flush tag somehow.
This one also breaks scsi-mq by changing the first parameter of blk_mq_tag_to_rq. With host-wide tags we won't have a hardware context easily available when looking for a request by tag.
| |