author: Paolo Valente <paolo.valente@linaro.org> 2021-06-19 16:09:48 +0200
committer: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-07-14 17:06:52 +0200
commit: ad90f92825defd540d0fce71536842e7a4a06131
parent: 833cf2c80aa3142708f62a1cb7893d2bce57839e
Commit Summary:
Diffstat:
1 file changed, 4 insertions, 2 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 601ace44080a..eccbe2aed7c3 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -6135,11 +6135,13 @@ static void bfq_completed_request(struct bfq_queue *bfqq, struct bfq_data *bfqd)
* of other queues. But a false waker will unjustly steal
* bandwidth to its supposedly woken queue. So considering
* also shared queues in the waking mechanism may cause more
- * control troubles than throughput benefits. Then do not set
- * last_completed_rq_bfqq to bfqq if bfqq is a shared queue.
+ * control troubles than throughput benefits. Then reset
+ * last_completed_rq_bfqq if bfqq is a shared queue.
*/
if (!bfq_bfqq_coop(bfqq))
bfqd->last_completed_rq_bfqq = bfqq;
+ else
+ bfqd->last_completed_rq_bfqq = NULL;
/*
* If we are waiting to discover whether the request pattern