On 05/30/2013 06:34 AM, Stefan Hajnoczi wrote:
> @drive-backup
> 
> Start a point-in-time copy of a block device to a new destination.  The
> status of ongoing drive-backup operations can be checked with
> query-block-jobs where the BlockJobInfo.type field has the value 'backup'.
> The operation can be stopped before it has completed using the
> block-job-cancel command.
> 

> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  blockdev.c       | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  qapi-schema.json | 46 +++++++++++++++++++++++++++
>  qmp-commands.hx  | 46 +++++++++++++++++++++++++++
>  3 files changed, 189 insertions(+)

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

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