On Wed, Jul 05, 2017 at 09:29:26AM +0300, Sagi Grimberg wrote: > > >> Looks the above change isn't needed since this blk_mq_start_stopped_hw_queues() >> should have been the counterpart of blk_mq_stop_hw_queue() in >> blkif_queue_rq(). > > Removed the patch altogether in v2 as I'm not convinced it is needed. I've only started reading the series, but to me it seems like the two places where xen-blkfront currently calls blk_mq_stop_hw_queues should probably converted, as they are the same category as the other calls converted in your series.