This improves performance on SSDs dramatically, and was default for CFQ Signed-off-by: Khazhismel Kumykov <khazhy@xxxxxxxxxx> --- 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 36a66e97e3c2..f3196036940c 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -7105,7 +7105,8 @@ static int bfq_init_queue(struct request_queue *q, struct elevator_type *e) bfqd->bfq_fifo_expire[1] = bfq_fifo_expire[1]; bfqd->bfq_back_max = bfq_back_max; bfqd->bfq_back_penalty = bfq_back_penalty; - bfqd->bfq_slice_idle = bfq_slice_idle; + /* Default to no idling for SSDs */ + bfqd->bfq_slice_idle = blk_queue_nonrot(q) ? 0 : bfq_slice_idle; bfqd->bfq_timeout = bfq_timeout; bfqd->bfq_large_burst_thresh = 8; -- 2.35.1.616.g0bdcbb4464-goog