diff --git a/block/bio.c b/block/bio.c index 48a8cf55fb7a2fb859a244ae5ca4fe535c91be24..94d0f4798b5bfb99e437448f72fd60090dc63e07 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1675,7 +1675,7 @@ void update_io_ticks(int cpu, struct hd_struct *part, unsigned long now) stamp = READ_ONCE(part->stamp); if (unlikely(stamp != now)) { if (likely(cmpxchg(&part->stamp, stamp, now) == stamp)) - __part_stat_add(cpu, part, io_ticks, 1); + __part_stat_add(cpu, part, io_ticks, now - stamp); } if (part->partno) { part = &part_to_disk(part)->part0; @@ -1689,7 +1689,7 @@ void generic_start_io_acct(struct request_queue *q, int op, const int sgrp = op_stat_group(op); int cpu = part_stat_lock(); - update_io_ticks(cpu, part, jiffies); + part_round_stats(q, cpu, part); part_stat_inc(cpu, part, ios[sgrp]); part_stat_add(cpu, part, sectors[sgrp], sectors); part_inc_in_flight(q, part, op_is_write(op)); diff --git a/block/blk-core.c b/block/blk-core.c index d9e3ee68f3776591979ee74b87707c3acd3c79c4..7afe44d09741355f6bdde8d236589ee1c97b1e19 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1674,11 +1674,8 @@ static void part_round_stats_single(struct request_queue *q, int cpu, struct hd_struct *part, unsigned long now, unsigned int inflight) { - if (inflight) { - __part_stat_add(cpu, part, time_in_queue, - inflight * (now - part->stamp)); + if (inflight) __part_stat_add(cpu, part, io_ticks, (now - part->stamp)); - } part->stamp = now; } @@ -2791,12 +2788,11 @@ void blk_account_io_start(struct request *rq, bool new_io) part_stat_inc(cpu, part, merges[rw]); } else { part = disk_map_sector_rcu(rq->rq_disk, blk_rq_pos(rq)); + part_round_stats(rq->q, cpu, part); part_inc_in_flight(rq->q, part, rw); rq->part = part; } - update_io_ticks(cpu, part, jiffies); - part_stat_unlock(); }