Instead of the jiffies, we should update the io_ticks counter with the passed in parameter 'now'. Signed-off-by: Wen Yang <wenyang@xxxxxxxxxxxxxxxxx> Reviewed-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx> Cc: Jens Axboe <axboe@xxxxxxxxx> Cc: Mikulas Patocka <mpatocka@xxxxxxxxxx> Cc: Mike Snitzer <snitzer@xxxxxxxxxx> Cc: linux-block@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- v2->v1: Use the same clock source for io_ticks and other statistics in the diskstats block/blk-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 379f6f5..da7de9f 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1365,7 +1365,7 @@ void blk_account_io_done(struct request *req, u64 now) part_stat_lock(); part = req->part; - update_io_ticks(part, jiffies); + update_io_ticks(part, nsecs_to_jiffies(now)); part_stat_inc(part, ios[sgrp]); part_stat_add(part, nsecs[sgrp], now - req->start_time_ns); part_stat_add(part, time_in_queue, nsecs_to_jiffies64(now - req->start_time_ns)); @@ -1407,7 +1407,7 @@ void blk_account_io_start(struct request *rq, bool new_io) rq->part = part; } - update_io_ticks(part, jiffies); + update_io_ticks(part, nsecs_to_jiffies(ktime_get_ns())); part_stat_unlock(); } -- 1.8.3.1
