From 0884657b2e39f2cf85dfa99361817fde07e83786 Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@redhat.com>
Date: Mon, 6 Jul 2009 09:32:09 -0400
Subject: [PATCH] flush pending aio requests

When we finish migration, there may be pending async io requests
in flight. If we don't flush it before stage3 starting, it might be
the case that the guest loses it.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 migration.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/migration.c b/migration.c
index e6c8b16a1f..ee64d410e1 100644
--- a/migration.c
+++ b/migration.c
@@ -266,6 +266,7 @@ void migrate_fd_put_ready(void *opaque)
         dprintf("done iterating\n");
         vm_stop(0);
 
+        qemu_aio_flush();
         bdrv_flush_all();
         if ((qemu_savevm_state_complete(s->file)) < 0) {
             if (old_vm_running) {