block/kyber-iosched: flush per-cpu latency buckets over possible CPUs

kyber_timer_fn() sums the per-cpu latency histograms with
for_each_online_cpu().  A CPU that goes offline mid-interval leaves its
bucket un-flushed; the samples are lost from the current decision and
re-appear (stale) when the CPU is onlined again.

Fixes: 6e25cb01ea20 ("kyber: implement improved heuristics")
Signed-off-by: Tao Cui <cuitao@kylinos.cn>
Reviewed-by: Yu Kuai <yukuai@fygo.io>
Link: https://patch.msgid.link/20260720093726.28965-5-cui.tao@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>

0 files changed, 0 insertions, 0 deletions