From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755260Ab3ARTU4 (ORCPT ); Fri, 18 Jan 2013 14:20:56 -0500 Received: from mail.ipax.at ([93.189.24.40]:40043 "EHLO mail.ipax.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755248Ab3ARTUy (ORCPT ); Fri, 18 Jan 2013 14:20:54 -0500 X-Greylist: delayed 488 seconds by postgrey-1.27 at vger.kernel.org; Fri, 18 Jan 2013 14:20:54 EST MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 18 Jan 2013 20:12:43 +0100 From: Raoul Bhatia To: Cc: , Subject: [PATCH 3.2.y] drbd: add missing =?UTF-8?Q?part=5Fround=5Fstats=20?= =?UTF-8?Q?to=20=5Fdrbd=5Fstart=5Fio=5Facct?= Message-ID: User-Agent: Roundcube Webmail/0.8.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org commit 72585d2428fa3a0daab02ebad1f41e5ef517dbaa upstream Please include upstream patch 72585d2428fa3a0daab02ebad1f41e5ef517dbaa into 3.2.y. Patch from git below. Please also see the discussion at http://lists.linbit.com/pipermail/drbd-user/2012-January/017622.html and the upstream patches at https://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=72585d2428fa3a0daab02ebad1f41e5ef517dbaa http://git.drbd.org/gitweb.cgi?p=drbd-8.3.git;a=commitdiff;h=80cb2183911626747d3f7546fe3cb3c1abe6ba41 Thanks, Raoul From 72585d2428fa3a0daab02ebad1f41e5ef517dbaa Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Thu, 23 Feb 2012 12:56:26 +0100 Subject: [PATCH] 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 Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_req.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 4737ad1..bfd14bc 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 -- 1.7.6.5 -- DI (FH) Raoul Bhatia M.Sc. | E-Mail. raoul@bhatia.at Software Development and | Web. http://www.ipax.at System Administration | Tel. +43 699 10132530