author: Paolo Valente <paolo.valente@linaro.org> 2021-01-22 19:19:46 +0100
committer: Jens Axboe <axboe@kernel.dk> 2021-01-24 18:18:24 -0700
commit: 91b896f65d32610d6d58af02170b15f8d37a7702
parent: ab1fb47e33dc7754a7593181ffe0742c7105ea9a
Commit Summary:
Diffstat:
1 file changed, 7 insertions, 3 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 43e2c39cf7b5..161badb744d6 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -1671,15 +1671,19 @@ static void bfq_bfqq_handle_idle_busy_switch(struct bfq_data *bfqd,
* - it is sync,
* - it does not belong to a large burst,
* - it has been idle for enough time or is soft real-time,
- * - is linked to a bfq_io_cq (it is not shared in any sense).
+ * - is linked to a bfq_io_cq (it is not shared in any sense),
+ * - has a default weight (otherwise we assume the user wanted
+ * to control its weight explicitly)
*/
in_burst = bfq_bfqq_in_large_burst(bfqq);
soft_rt = bfqd->bfq_wr_max_softrt_rate > 0 &&
!BFQQ_TOTALLY_SEEKY(bfqq) &&
!in_burst &&
time_is_before_jiffies(bfqq->soft_rt_next_start) &&
- bfqq->dispatched == 0;
- *interactive = !in_burst && idle_for_long_time;
+ bfqq->dispatched == 0 &&
+ bfqq->entity.new_weight == 40;
+ *interactive = !in_burst && idle_for_long_time &&
+ bfqq->entity.new_weight == 40;
wr_or_deserves_wr = bfqd->low_latency &&
(bfqq->wr_coeff > 1 ||
(bfq_bfqq_sync(bfqq) &&