On Tue, Nov 13, 2018 at 08:42:24AM -0700, Jens Axboe wrote: > Various spots check for q->mq_ops being non-NULL, but provide > a helper to do this instead. > > Where the ->mq_ops != NULL check is redundant, remove it.
With the legacy request path gone this isn't really any different from queue_is_rq_based. So either switch everyone to queue_is_rq_based, or switch all queue_is_rq_based users to queue_is_mq as well and delete it.