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authorPhilipp Reisner <philipp.reisner@linbit.com>2012-02-23 12:56:26 +0100
committerPhilipp Reisner <philipp.reisner@linbit.com>2012-11-08 16:58:17 +0100
commit72585d2428fa3a0daab02ebad1f41e5ef517dbaa (patch)
treed88688f83cb785d53e8422de0f8f7ca5db2764b5
parentdd9b360475655838ff8719d8eedecdf4c4cf80d1 (diff)
downloadvexpress-lsk-72585d2428fa3a0daab02ebad1f41e5ef517dbaa.tar.gz
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>
-rw-r--r--drivers/block/drbd/drbd_req.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 4737ad1f94b..bfd14bc9693 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -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