Re: [PATCH 0/2] small optimization for accessing queue map

[Jens Axboe]

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