From c8c239a439dca7600cd52066966c1c59a838e167 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Tue, 7 Feb 2012 17:38:41 -0700
Subject: [PATCH] qemu: fix persistent setting of blkiodevice weights

virsh blkiotune dom --device-weights /dev/sda,400 --config

wasn't working correctly.

* src/qemu/qemu_driver.c (qemuDomainSetBlkioParameters): Use
correct definition.
---
 src/qemu/qemu_driver.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 9abbac9935..45c4100c42 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6148,8 +6148,8 @@ qemuDomainSetBlkioParameters(virDomainPtr dom,
                     ret = -1;
                     continue;
                 }
-                if (qemuDomainMergeDeviceWeights(&vm->def->blkio.devices,
-                                                 &vm->def->blkio.ndevices,
+                if (qemuDomainMergeDeviceWeights(&persistentDef->blkio.devices,
+                                                 &persistentDef->blkio.ndevices,
                                                  devices, ndevices) < 0)
                     ret = -1;
                 virBlkioDeviceWeightArrayClear(devices, ndevices);