From 388fa6257e2ea610c6c541e6d1b667c80fd40657 Mon Sep 17 00:00:00 2001
From: Cole Robinson <crobinso@redhat.com>
Date: Mon, 22 Nov 2010 14:07:02 -0500
Subject: [PATCH] qemu: setvcpus: Save config changes to disk

Currently changes to the persistent config aren't flushed to disk, meaning
they are lost if the domain is redefined or libvirtd is restarted.
---
 src/qemu/qemu_driver.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index c0335c3832..04cca43297 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6367,6 +6367,10 @@ qemudDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
         break;
     }
 
+    /* Save the persistent config to disk */
+    if (flags & VIR_DOMAIN_VCPU_CONFIG)
+        ret = virDomainSaveConfig(driver->configDir, persistentDef);
+
 endjob:
     if (qemuDomainObjEndJob(vm) == 0)
         vm = NULL;
-- 
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