From 1c9227de5d7d78b7915257c9dcea29384060da88 Mon Sep 17 00:00:00 2001
From: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Date: Thu, 17 Sep 2020 09:30:45 -0400
Subject: [PATCH] qemu: process: Handle transient disks on VM startup
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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>
---
 src/qemu/qemu_process.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index ffb3afa9c5..9122069cc9 100644
--- 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: