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drbd: add missing part_round_stats to _drbd_start_io_acct 

Without this, iostat frequently sees bogus svctime and >= 100% "utilization".

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2012-02-23 12:56:26 +01:00
parent dd9b360475
commit 72585d2428
1 changed files with 1 additions and 0 deletions
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1
drivers/block/drbd/drbd_req.c
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@ -39,6 +39,7 @@ static void _drbd_start_io_acct(struct drbd_conf *mdev, struct drbd_request *req
const int rw = bio_data_dir(bio);
int cpu;
cpu = part_stat_lock();
part_round_stats(cpu, &mdev->vdisk->part0);
part_stat_inc(cpu, &mdev->vdisk->part0, ios[rw]);
part_stat_add(cpu, &mdev->vdisk->part0, sectors[rw], bio_sectors(bio));
(void) cpu; /* The macro invocations above want the cpu argument, I do not like