From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755077Ab3BCPAt (ORCPT ); Sun, 3 Feb 2013 10:00:49 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:34629 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755083Ab3BCO61 (ORCPT ); Sun, 3 Feb 2013 09:58:27 -0500 Message-Id: <20130203144654.995711811@decadent.org.uk> User-Agent: quilt/0.60-1 Date: Sun, 03 Feb 2013 15:48:48 +0100 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: akpm@linux-foundation.org, Philipp Reisner , Lars Ellenberg Subject: [ 124/128] drbd: add missing part_round_stats to _drbd_start_io_acct In-Reply-To: <20130203144644.035172954@decadent.org.uk> X-SA-Exim-Connect-IP: 151.216.67.5 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2-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 Signed-off-by: Ben Hutchings --- 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);