From 783fe9ca8c5d1a831d5626c4835a8d3284456d9c Mon Sep 17 00:00:00 2001
From: Pavel Hrdina <phrdina@redhat.com>
Date: Sep 25 2014 09:50:03 +0000
Subject: blkdeviotune: fix bug with saving values into live XML


When you updated some blkdeviotune values for running domain the values
were stored only internally, but not saved into the live XML so they
won't survive restarting the libvirtd.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>

---

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 4afd066..efce382 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -16406,6 +16406,13 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
         if (ret < 0)
             goto endjob;
         vm->def->disks[idx]->blkdeviotune = info;
+
+        ret = virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm);
+        if (ret < 0) {
+            virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+                           _("Saving live XML config failed"));
+            goto endjob;
+        }
     }
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {