On Sun, Dec 16, 2018 at 10:25:16AM +0800, Ming Lei wrote: > This patch sets map->nr_queues as zero explictly if there is zero > queues for such queue type, then blk_mq_map_swqueue() can become > more robust to deal with shared mappings. This looks a lot more clumsy than what we had before, can you explain what additional robustnes it buys us?
