As we can see, returns parent_sched_may_change whether sd->next_in_service changes or not, so remove this judgment. Signed-off-by: huhai <huhai@xxxxxxxxxxxxx> --- block/bfq-wf2q.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c index 26776bdbdf36..070e34a7feb1 100644 --- a/block/bfq-wf2q.c +++ b/block/bfq-wf2q.c @@ -137,9 +137,6 @@ static bool bfq_update_next_in_service(struct bfq_sched_data *sd, sd->next_in_service = next_in_service; - if (!next_in_service) - return parent_sched_may_change; - return parent_sched_may_change; } -- 2.20.1