Re: [PATCH v5 4/4] blk-cgroup: Document the design of new lockless iostat_cpu list

Waiman Long
2022-06-02T19:13:08Z

On 6/2/22 15:05, Tejun Heo wrote:
> On Thu, Jun 02, 2022 at 02:54:01PM -0400, Waiman Long wrote:
>> A set of percpu lockless lists per block cgroup (blkcg) is added to
>> track the set of recently updated iostat_cpu structures. Add comment
>> in the code to document the design of this new set of lockless lists.
>>
>> Signed-off-by: Waiman Long <longman@redhat.com>
> Acked-by: Tejun Heo <tj@kernel.org>
>
> Thanks.

I have just realized that I forgot to free the percpu blkcg->lhead in
blkcg_css_free(). I will send out v6 with this change as well as
integrating this documentation patch back. Sorry for the omission.

Thanks,
Longman