On Sat, Apr 15, 2017 at 08:38:21PM +0800, Ming Lei wrote: > The 1st patch enhances BLK_MQ_F_NO_SCHED so that we can't change/ > show available io schedulers on devices which don't support io > scheduler. > > The 2nd patch passes BLK_MQ_F_NO_SCHED for avoiding one regression > on mtip32xx, which is introduced by blk-mq io scheduler. > > The last two patches introduce BLK_MQ_F_SCHED_USE_HW_TAG so that > we can allow to use hardware tag for scheduler, then mq-deadline > can work well on mtip32xx. Even though other devices with enough > hardware tag space can benefit from this feature too. > > The 1st two patches aims on v4.11, and the last two are for > v4.12. Please ignore this patchset, and I will post another serial for mtip32xx fix. thanks, Ming