qemu: process: Handle transient disks on VM startup

Add overlays after the VM starts before we start executing guest code.

Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Tested-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index ffb3afa9c55cd1f129ad69a1bbebe5cf563611d7..9122069cc99f890e6b1730b5c0f043517571225d 100644 (file)
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -60,6 +60,7 @@
 #include "qemu_firmware.h"
 #include "qemu_backup.h"
 #include "qemu_dbus.h"
+#include "qemu_snapshot.h"
 
 #include "cpu/cpu.h"
 #include "cpu/cpu_x86.h"
@@ -7077,6 +7078,10 @@ qemuProcessLaunch(virConnectPtr conn,
         qemuProcessAutoDestroyAdd(driver, vm, conn) < 0)
         goto cleanup;
 
+    VIR_DEBUG("Setting up transient disk");
+    if (qemuSnapshotCreateDisksTransient(vm, asyncJob) < 0)
+        goto cleanup;
+
     ret = 0;
 
  cleanup: