qemu: save domain status after set domain's numa parameters

After set domain's numa parameters for running domain, save the change,
save the change into live xml is needed to survive restarting the libvirtd,
same story with bug 1146511; meanwihle add call
qemuDomainObjBeginJob/qemuDomainObjEndJob in qemuDomainSetNumaParameters
Signed-off-by: NShanzhi Yu <shyu@redhat.com>

src/qemu/qemu_driver.c

@@ -9091,15 +9091,18 @@ qemuDomainSetNumaParameters(virDomainPtr dom,
     if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
         goto cleanup;
 
+    if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
+        goto cleanup;
+
     if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt, vm, &flags,
                                         &persistentDef) < 0)
-        goto cleanup;
+        goto endjob;
 
     if (flags & VIR_DOMAIN_AFFECT_LIVE) {
         if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPUSET)) {
             virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                            _("cgroup cpuset controller is not mounted"));
-            goto cleanup;
+            goto endjob;
         }
     }
 
@@ -9112,18 +9115,18 @@ qemuDomainSetNumaParameters(virDomainPtr dom,
             if (mode < 0 || mode >= VIR_DOMAIN_NUMATUNE_MEM_LAST) {
                 virReportError(VIR_ERR_INVALID_ARG,
                                _("unsupported numatune mode: '%d'"), mode);
-                goto cleanup;
+                goto endjob;
             }
 
         } else if (STREQ(param->field, VIR_DOMAIN_NUMA_NODESET)) {
             if (virBitmapParse(param->value.s, 0, &nodeset,
                                VIR_DOMAIN_CPUMASK_LEN) < 0)
-                goto cleanup;
+                goto endjob;
 
             if (virBitmapIsAllClear(nodeset)) {
                 virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                                _("Invalid nodeset for numatune"));
-                goto cleanup;
+                goto endjob;
             }
         }
     }
@@ -9133,18 +9136,21 @@ qemuDomainSetNumaParameters(virDomainPtr dom,
             virDomainNumatuneGetMode(vm->def->numatune, -1) != mode) {
             virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                            _("can't change numatune mode for running domain"));
-            goto cleanup;
+            goto endjob;
         }
 
         if (nodeset &&
             qemuDomainSetNumaParamsLive(vm, caps, nodeset) < 0)
-            goto cleanup;
+            goto endjob;
 
         if (virDomainNumatuneSet(&vm->def->numatune,
                                  vm->def->placement_mode ==
                                  VIR_DOMAIN_CPU_PLACEMENT_MODE_STATIC,
                                  -1, mode, nodeset) < 0)
-            goto cleanup;
+            goto endjob;
+
+        if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0)
+            goto endjob;
     }
 
     if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
@@ -9152,14 +9158,18 @@ qemuDomainSetNumaParameters(virDomainPtr dom,
                                  persistentDef->placement_mode ==
                                  VIR_DOMAIN_CPU_PLACEMENT_MODE_STATIC,
                                  -1, mode, nodeset) < 0)
-            goto cleanup;
+            goto endjob;
 
         if (virDomainSaveConfig(cfg->configDir, persistentDef) < 0)
-            goto cleanup;
+            goto endjob;
     }
 
     ret = 0;
 
+ endjob:
+    if (!qemuDomainObjEndJob(driver, vm))
+        vm = NULL;
+
  cleanup:
     virBitmapFree(nodeset);
     if (vm)