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>

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>
Glauber Costa · Anthony Liguori
1 parent d9db889f
Showing 1 changed file with 1 additions and 0 deletions
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) {