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authorPhilipp Reisner <philipp.reisner@linbit.com>2012-02-23 12:56:26 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-21 11:45:25 -0800
commitd239fdb0d4d3088b5161f0c92ed929143b45d830 (patch)
treeec7f0c31875468c387422dc07e71afcee6e7a5d4
parent6365d1039ebcdd214a891df7406e709db4d3fc30 (diff)
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drbd: add missing part_round_stats to _drbd_start_io_acct
commit 72585d2428fa3a0daab02ebad1f41e5ef517dbaa upstream. 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> Cc: Raoul Bhatia <raoul@bhatia.at> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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 4a0f314086e..be984e07366 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -37,6 +37,7 @@ 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));
part_inc_in_flight(&mdev->vdisk->part0, rw);