On Thu, Dec 06, 2018 at 07:57:34PM -0700, Jens Axboe wrote:
> On 12/6/18 7:55 PM, Ming Lei wrote:
> > Now almost all .map_queues() implementation based on managed irq
> > affinity doesn't update queue mapping and it just retrieves the
> > old built mapping, so if nr_hw_queues is changed, the
On 12/6/18 7:55 PM, Ming Lei wrote:
> Now almost all .map_queues() implementation based on managed irq
> affinity doesn't update queue mapping and it just retrieves the
> old built mapping, so if nr_hw_queues is changed, the mapping talbe
> includes stale mapping. And only blk_mq_map_queues() may
Now almost all .map_queues() implementation based on managed irq
affinity doesn't update queue mapping and it just retrieves the
old built mapping, so if nr_hw_queues is changed, the mapping talbe
includes stale mapping. And only blk_mq_map_queues() may rebuild
the mapping talbe.
One case is that
