From ab1fb47e33dc7754a7593181ffe0742c7105ea9a Mon Sep 17 00:00:00 2001 From: Paolo Valente Date: Fri, 22 Jan 2021 19:19:45 +0100 Subject: block, bfq: increase time window for waker detection Tests on slower machines showed current window to be way too small. This commit increases it. Tested-by: Jan Kara Signed-off-by: Paolo Valente Signed-off-by: Jens Axboe --- block/bfq-iosched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'block') diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index fdc5e163b2fe..43e2c39cf7b5 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -1931,7 +1931,7 @@ static void bfq_add_request(struct request *rq) if (bfqd->last_completed_rq_bfqq && !bfq_bfqq_has_short_ttime(bfqq) && ktime_get_ns() - bfqd->last_completion < - 200 * NSEC_PER_USEC) { + 4 * NSEC_PER_MSEC) { if (bfqd->last_completed_rq_bfqq != bfqq && bfqd->last_completed_rq_bfqq != bfqq->waker_bfqq) { -- cgit v1.2.3-59-g8ed1b