linux-kernel - Re: [PATCH v3] don't forget to call pd_online

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Message-ID: <8f877e5c-4ceb-7c6e-c44b-c6ca3a72a5f1@kernel.dk>
Date:   Sat, 11 Mar 2017 15:25:30 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Zhou Chengming <zhouchengming1@...wei.com>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        miaoxie@...wei.com
Subject: Re: [PATCH v3] don't forget to call pd_online_fn when activate policy

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