On 05/15/2013 08:34 AM, Stefan Hajnoczi wrote:
> The Abort action can be used to test QMP 'transaction' failure.  Add it
> as the last action to exercise the .abort() and .cleanup() code paths
> for all previous actions.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  blockdev.c       | 15 +++++++++++++++
>  qapi-schema.json | 11 ++++++++++-
>  2 files changed, 25 insertions(+), 1 deletion(-)

I like it!  Even though libvirt will never use it, I can see how having
it definitely helps development of other transaction actions.

> +++ b/qapi-schema.json
> @@ -1630,6 +1630,14 @@
>              '*mode': 'NewImageMode', '*speed': 'int' } }
>  
>  ##
> +# @Abort
> +#
> +# This action can be used to test transaction failure.
> +###
> +{ 'type': 'Abort',
> +  'data': { } }
> +

Probably should add a Since: 1.6 notation.  With that,

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org