diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index 7f7243aa6677..ff6379725c14 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -555,6 +555,7 @@ 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; } @@ -601,7 +602,6 @@ 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; @@ -969,6 +969,7 @@ 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 79d003cca90e..e3e8e89fcb00 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -926,6 +926,8 @@ 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;