Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , alan@lxorguk.ukuu.org.uk, Philipp Reisner , Lars Ellenberg , Raoul Bhatia Subject: [ 13/21] drbd: add missing part_round_stats to _drbd_start_io_acct Date: Fri, 18 Jan 2013 17:19:31 -0800 Message-Id: <20130119010713.559972107@linuxfoundation.org> In-Reply-To: <20130119010710.897187774@linuxfoundation.org> References: <20130119010710.897187774@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Philipp Reisner commit 72585d2428fa3a0daab02ebad1f41e5ef517dbaa upstream. Without this, iostat frequently sees bogus svctime and >= 100% "utilization". Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg Cc: Raoul Bhatia Signed-off-by: Greg Kroah-Hartman --- drivers/block/drbd/drbd_req.c | 1 + 1 file changed, 1 insertion(+) --- 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 d 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);