Re: [PATCH v5 4/4] blk-cgroup: Document the design of new lockless iostat_cpu list
From: Waiman Long
Date: Thu Jun 02 2022 - 15:13:04 EST
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@xxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
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