b10577df13
The io_flush argument to qemu_aio_set_event_notifier() has been removed since the block layer learnt to drain requests by itself. Fix the Windows build for win32-aio.o by updating the qemu_aio_set_event_notifier() call and dropping win32_aio_flush_cb(). Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>