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authorPaolo Valente <paolo.valente@linaro.org>2021-01-22 19:19:45 +0100
committerJens Axboe <axboe@kernel.dk>2021-01-24 18:18:24 -0700
commitab1fb47e33dc7754a7593181ffe0742c7105ea9a (patch)
treefed2f2ef5293468682ae25d9f9b2591716cbc945 /block
parentd4fc3640ff361a09e359867e0bca898abd2b7ecb (diff)
downloadlinux-ab1fb47e33dc7754a7593181ffe0742c7105ea9a.tar.bz2
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 <jack@suse.cz> Signed-off-by: Paolo Valente <paolo.valente@linaro.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/bfq-iosched.c2
1 files changed, 1 insertions, 1 deletions
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) {