If last_completed_rq_bfqq is the current waker queue of bfqq, it's no meaning to execute the detection logic as nothing will change whether detection successes or fails. Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> --- block/bfq-iosched.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 7a0283f08aed..0a11a381ee7d 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2147,7 +2147,8 @@ static void bfq_check_waker(struct bfq_data *bfqd, struct bfq_queue *bfqq, bfq_bfqq_has_short_ttime(bfqq) || now_ns - bfqd->last_completion >= 4 * NSEC_PER_MSEC || bfqd->last_completed_rq_bfqq == &bfqd->oom_bfqq || - bfqq == &bfqd->oom_bfqq) + bfqq == &bfqd->oom_bfqq || + bfqd->last_completed_rq_bfqq == bfqq->waker_bfqq) return; /* -- 2.30.0
