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 4afd06620508832c97520d32764a4a5825971d6b..efce382107027a0a2e7e7b31e2ab69dc52fef042 100644 (file)
--- 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) {