Re: [PATCH V2 4/6] blk-mq: avoid to map CPU into stale hw queue

Looks good, Reviewed-by: Christoph Hellwig

[PATCH V2 4/6] blk-mq: avoid to map CPU into stale hw queue

blk_mq_pci_map_queues() may not map one CPU into any hw queue, but its previous map isn't cleared yet, and may point to one stale hw queue index. This patch fixes the following issue by clearing the mapping table before setting it up in blk_mq_pci_map_queues(). This patches fixes this following