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-rw-r--r--block/blk-throttle.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 7e72102aa918..b0d8f7cc5e92 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2100,7 +2100,7 @@ static void throtl_update_latency_buckets(struct throtl_data *td)
unsigned long last_latency[2] = { 0 };
unsigned long latency[2];
- if (!blk_queue_nonrot(td->queue))
+ if (!blk_queue_nonrot(td->queue) || !td->limit_valid[LIMIT_LOW])
return;
if (time_before(jiffies, td->last_calculate_time + HZ))
return;
@@ -2338,6 +2338,8 @@ void blk_throtl_bio_endio(struct bio *bio)
if (!blkg)
return;
tg = blkg_to_tg(blkg);
+ if (!tg->td->limit_valid[LIMIT_LOW])
+ return;
finish_time_ns = ktime_get_ns();
tg->last_finish_time = finish_time_ns >> 10;