[PATCH 1/2] blk-mq: not deactivate hctx if the device doesn't use managed irq

[Christoph Hellwig]

On Wed, Jun 30, 2021 at 08:32:46AM +0800, Ming Lei wrote:
> Indeed, we may replace BLK_MQ_F_STACKING with BLK_MQ_F_NOT_USE_MANAGED_IRQ
> (BLK_MQ_F_NO_MANAGED_IRQ) too, and the latter is one general solution.

And now turn the polarity around and make it a BLK_MQ_F_MANAGED_IRQ set
by the map_queue helpers that rely on managed irqs.