diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index 6968ee90321c..095f2f65bc16 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -536,6 +536,7 @@ static void bfq_pd_init(struct blkg_policy_data *pd) */ bfqg->bfqd = bfqd; bfqg->active_entities = 0; + bfqg->online = true; bfqg->rq_pos_tree = RB_ROOT; } @@ -582,7 +583,6 @@ struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd, struct bfq_entity *entity; bfqg = bfq_lookup_bfqg(bfqd, blkcg); - if (unlikely(!bfqg)) return NULL; @@ -944,6 +944,7 @@ static void bfq_pd_offline(struct blkg_policy_data *pd) put_async_queues: bfq_put_async_queues(bfqd, bfqg); + bfqg->online = false; spin_unlock_irqrestore(&bfqd->lock, flags); /* diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index 5402be82b5f1..be1f4c1febf8 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -896,6 +896,8 @@ struct bfq_group { /* reference counter (see comments in bfq_bic_update_cgroup) */ int ref; + /* Is bfq_group still online? */ + bool online; struct bfq_entity entity; struct bfq_sched_data sched_data;