On Sun, Apr 08, 2018 at 05:48:14PM +0800, Ming Lei wrote:
> Firstly, from commit 4b855ad37194 ("blk-mq: Create hctx for each present CPU),
> blk-mq doesn't remap queue any more after CPU topo is changed.
>
> Secondly, set->nr_hw_queues can't be bigger than nr_cpu_ids, and now we map
> all possible CPUs to hw queues, so at least one CPU is mapped to each hctx.
>
> So queue mapping has became static and fixed just like percpu variable, and
> we don't need to handle queue remapping any more.
Looks good:
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
