Re: [PATCH v3] don't forget to call pd_online_fn when activate policy

From: Jens Axboe
Date: Sat Mar 11 2017 - 17:28:37 EST

On 03/10/2017 08:46 PM, Zhou Chengming wrote:
> When we activate policy on the request_queue, we will create policy_date
> for all the existing blkgs of the request_queue, so we should call
> pd_init_fn() and pd_online_fn() on these newly created policy_data.

I'm not looking at this until you tell me that you have runtime
tested it. I'm assuming you originally ran into some issue
with the lack of calling pd_online_fn?

Jens Axboe