diff options
| -rw-r--r-- | block/blk-core.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index c4269701cb4f..a6bd3e702201 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1233,12 +1233,15 @@ static void add_acct_request(struct request_queue *q, struct request *rq, static void part_round_stats_single(int cpu, struct hd_struct *part, unsigned long now) { + int inflight; + if (now == part->stamp) return; - if (part_in_flight(part)) { + inflight = part_in_flight(part); + if (inflight) { __part_stat_add(cpu, part, time_in_queue, - part_in_flight(part) * (now - part->stamp)); + inflight * (now - part->stamp)); __part_stat_add(cpu, part, io_ticks, (now - part->stamp)); } part->stamp = now; |