Messages in this thread | | | Date | Wed, 13 Sep 2017 14:43:08 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH V2 1/4] kthread: add a mechanism to store cgroup info |
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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
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