On Wed, Sep 13, 2017 at 02:38:20PM -0700, Tejun Heo wrote:
> Maybe doing sth like the following is less error-prone?
>
> kthread_associate_blkcg(@css)
> {
> if (current's kthread->blkcg_css)
> put kthread->blkcg_css and set it to NULL;
> if (@css)
> get @css and set kthread->blkcg;
> }
Ooh, also, maybe add a WARN_ON_ONCE on non-NULL blkcg_css on kthread
exit?
Thanks.
--
tejun
