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 <philipp.reis...@linbit.com>
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 <philipp.reis...@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenb...@linbit.com>
---
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. ra...@bhatia.at
Software Development and | Web. http://www.ipax.at
System Administration | Tel. +43 699 10132530
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