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-rw-r--r--block/bfq-iosched.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index a273b2bcea2a..fedb0a8fd388 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -6165,11 +6165,13 @@ 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