On Wed, Dec 23, 2015 at 11:48:25AM +0100, Paolo Bonzini wrote:
> This is also needed in bdrv_drain_all, not just in bdrv_drain.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  block/io.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/block/io.c b/block/io.c
> index 841f5b5..bfe2544 100644
> --- a/block/io.c
> +++ b/block/io.c
> @@ -293,6 +293,7 @@ void bdrv_drain_all(void)
>          if (bs->job) {
>              block_job_pause(bs->job);
>          }
> +        bdrv_drain_recurse(bs);
>          aio_context_release(aio_context);

Applied to my block tree.

Thanks,
Stefan