On 05/11/2017 09:41 AM, Paolo Bonzini wrote:
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  block/io.c                | 4 ++--
>  include/block/block_int.h | 8 +++++---
>  2 files changed, 7 insertions(+), 5 deletions(-)

> @@ -625,6 +622,11 @@ struct BlockDriverState {
>       */
>      bool wakeup;
>  
> +    /* counter for nested bdrv_io_plug.
> +     * Accessed with atomic ops.
> +    */
> +    unsigned io_plugged;

Indentation is odd.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org