On 1/24/19 3:25 AM, Jianchao Wang wrote: > Hi Jens > > These two patches are small optimization for accessing the queue mapping > in hot path. It saves the queue mapping results into blk_mq_ctx directly, > then we needn't do the complicated bounce on queue_hw_ctx[] map[] and > mq_map[].
I like this a lot, the current double indirect does suck, and it does show up in profiles as well. I'll run some testing with this, thanks! -- Jens Axboe
