diff options
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index f336dcbed..5e24d8803 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3771,11 +3771,9 @@ static void check_blkcg_changed(struct cfq_io_cq *cic, struct bio *bio) struct cfq_data *cfqd = cic_to_cfqd(cic); struct cfq_queue *cfqq; uint64_t serial_nr; - bool nonroot_cg; rcu_read_lock(); serial_nr = bio_blkcg(bio)->css.serial_nr; - nonroot_cg = bio_blkcg(bio) != &blkcg_root; rcu_read_unlock(); /* @@ -3786,17 +3784,6 @@ static void check_blkcg_changed(struct cfq_io_cq *cic, struct bio *bio) return; /* - * If we have a non-root cgroup, we can depend on that to - * do proper throttling of writes. Turn off wbt for that - * case. - */ - if (nonroot_cg) { - struct request_queue *q = cfqd->queue; - - wbt_disable(q->rq_wb); - } - - /* * Drop reference to queues. New queues will be assigned in new * group upon arrival of fresh requests. */ |