On Sat 14-05-22 17:05:17, Yu Kuai wrote: > Current code is a bit ugly and hard to read. > > Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> Yeah, looks a bit better. Feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > block/bfq-wf2q.c | 61 +++++++++++++++++++++++++----------------------- > 1 file changed, 32 insertions(+), 29 deletions(-) > > diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c > index 2f3fb45a32c3..c58568a4b009 100644 > --- a/block/bfq-wf2q.c > +++ b/block/bfq-wf2q.c > @@ -230,6 +230,26 @@ static void bfq_dec_busy_queues(struct bfq_queue *bfqq) > bfqq->bfqd->num_groups_with_busy_queues--; > } > > +static void bfq_inc_active_entities(struct bfq_entity *entity) > +{ > + struct bfq_sched_data *sd = entity->sched_data; > + struct bfq_group *bfqg = container_of(sd, struct bfq_group, sched_data); > + struct bfq_data *bfqd = (struct bfq_data *)bfqg->bfqd; > + > + if (bfqg != bfqd->root_group) > + bfqg->active_entities++; > +} > + > +static void bfq_dec_active_entities(struct bfq_entity *entity) > +{ > + struct bfq_sched_data *sd = entity->sched_data; > + struct bfq_group *bfqg = container_of(sd, struct bfq_group, sched_data); > + struct bfq_data *bfqd = (struct bfq_data *)bfqg->bfqd; > + > + if (bfqg != bfqd->root_group) > + bfqg->active_entities--; > +} > + > #else /* CONFIG_BFQ_GROUP_IOSCHED */ > > static bool bfq_update_parent_budget(struct bfq_entity *next_in_service) > @@ -250,6 +270,14 @@ static void bfq_dec_busy_queues(struct bfq_queue *bfqq) > { > } > > +static void bfq_inc_active_entities(struct bfq_entity *entity) > +{ > +} > + > +static void bfq_dec_active_entities(struct bfq_entity *entity) > +{ > +} > + > #endif /* CONFIG_BFQ_GROUP_IOSCHED */ > > /* > @@ -476,11 +504,6 @@ static void bfq_active_insert(struct bfq_service_tree *st, > { > struct bfq_queue *bfqq = bfq_entity_to_bfqq(entity); > struct rb_node *node = &entity->rb_node; > -#ifdef CONFIG_BFQ_GROUP_IOSCHED > - struct bfq_sched_data *sd = NULL; > - struct bfq_group *bfqg = NULL; > - struct bfq_data *bfqd = NULL; > -#endif > > bfq_insert(&st->active, entity); > > @@ -491,17 +514,10 @@ static void bfq_active_insert(struct bfq_service_tree *st, > > bfq_update_active_tree(node); > > -#ifdef CONFIG_BFQ_GROUP_IOSCHED > - sd = entity->sched_data; > - bfqg = container_of(sd, struct bfq_group, sched_data); > - bfqd = (struct bfq_data *)bfqg->bfqd; > -#endif > if (bfqq) > list_add(&bfqq->bfqq_list, &bfqq->bfqd->active_list); > -#ifdef CONFIG_BFQ_GROUP_IOSCHED > - if (bfqg != bfqd->root_group) > - bfqg->active_entities++; > -#endif > + > + bfq_inc_active_entities(entity); > } > > /** > @@ -578,29 +594,16 @@ static void bfq_active_extract(struct bfq_service_tree *st, > { > struct bfq_queue *bfqq = bfq_entity_to_bfqq(entity); > struct rb_node *node; > -#ifdef CONFIG_BFQ_GROUP_IOSCHED > - struct bfq_sched_data *sd = NULL; > - struct bfq_group *bfqg = NULL; > - struct bfq_data *bfqd = NULL; > -#endif > > node = bfq_find_deepest(&entity->rb_node); > bfq_extract(&st->active, entity); > > if (node) > bfq_update_active_tree(node); > - > -#ifdef CONFIG_BFQ_GROUP_IOSCHED > - sd = entity->sched_data; > - bfqg = container_of(sd, struct bfq_group, sched_data); > - bfqd = (struct bfq_data *)bfqg->bfqd; > -#endif > if (bfqq) > list_del(&bfqq->bfqq_list); > -#ifdef CONFIG_BFQ_GROUP_IOSCHED > - if (bfqg != bfqd->root_group) > - bfqg->active_entities--; > -#endif > + > + bfq_dec_active_entities(entity); > } > > /** > -- > 2.31.1 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR