Only increase sleep time on bflsc if the queue isn't emptying at all over the sleep duration.
diff --git a/driver-bflsc.c b/driver-bflsc.c
index 001cb6a..aea5074 100644
--- a/driver-bflsc.c
+++ b/driver-bflsc.c
@@ -1851,7 +1851,7 @@ static int64_t bflsc_scanwork(struct thr_info *thr)
new_sleep_time = old_sleep_time;
/* Increase slowly but decrease quickly */
- if (min_queued > sc_info->que_watermark && old_sleep_time < BFLSC_MAX_SLEEP)
+ if (min_queued > sc_info->que_full_enough && old_sleep_time < BFLSC_MAX_SLEEP)
new_sleep_time = old_sleep_time * 21 / 20;
else if (min_queued < sc_info->que_watermark)
new_sleep_time = old_sleep_time * 2 / 3;