Messages in this thread | | | Date | Mon, 12 Jun 2017 14:49:04 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH 08/11] block: always attach cgroup info into bio |
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On Fri, Jun 02, 2017 at 02:54:01PM -0700, Shaohua Li wrote: > @@ -691,6 +691,8 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q, > rcu_read_lock(); > blkcg = bio_blkcg(bio); > > + bio_associate_blkcg(bio, &blkcg->css); > +
Let's please note that this only established the fallback mapping when the bio hasn't been associated yet and doesn't override the existing association.
Thanks.
-- tejun
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