Re: [PATCH v3 1/3] blk-cgroup: check for pd_(alloc|free)_fn in blkcg_activate_policy()

[Tejun Heo]

On Fri, Jul 19, 2024 at 03:15:04PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
> 
> Currently all policies implement pd_(alloc|free)_fn, however, this is
> not necessary for ioprio that only works for blkcg, not blkg.
> 
> There are no functional changes, prepare to cleanup activating ioprio
> policy.
> 
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun