diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 3e064438082e64f4eafbda325e83f711cbc9593b..bd5479d8a5612b54be604caedb2f72eadbae2541 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2324,6 +2324,7 @@ bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg,
 	struct throtl_service_queue *sq;
 	bool rw = bio_data_dir(bio);
 	bool throttled = false;
+	bool has_rules = tg->has_rules[rw];
 	struct throtl_data *td = tg->td;
 
 	WARN_ON_ONCE(!rcu_read_lock_held());
@@ -2332,11 +2333,11 @@ bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg,
 	if (bio_flagged(bio, BIO_THROTTLED))
 		goto out;
 
-	throtl_bio_stats_start(bio, tg);
-
-	if (!tg->has_rules[rw])
+	if (!has_rules)
 		goto out;
 
+	throtl_bio_stats_start(bio, tg);
+
 	spin_lock_irq(q->queue_lock);
 
 	throtl_update_latency_buckets(td);
@@ -2435,7 +2436,7 @@ bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg,
 out_unlock:
 	spin_unlock_irq(q->queue_lock);
 out:
-	if (!throttled)
+	if (!throttled && has_rules)
 		bio_set_io_start_time_ns(bio);
 	bio_set_flag(bio, BIO_THROTTLED);