Re: [Qemu-devel] [PATCH V3 2/3] block: Use bdrv_get_backing_file_ancestors_count()

[Eric Blake]

On 07/25/2012 06:36 AM, address@hidden wrote:

> +++ b/qapi-schema.json
> @@ -398,6 +398,8 @@
>  #
>  # @backing_file: #optional the name of the backing file (for copy-on-write)
>  #
> +# @backing_file_ancestors_count: #the count of ancestors backing files 
> (since: 1.2)
> +#
>  # @encrypted: true if the backing device is encrypted
>  #
>  # @bps: total throughput limit in bytes per second is specified
> @@ -418,9 +420,10 @@
>  ##
>  { 'type': 'BlockDeviceInfo',
>    'data': { 'file': 'str', 'ro': 'bool', 'drv': 'str',
> -            '*backing_file': 'str', 'encrypted': 'bool',
> -            'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
> -            'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int'} }
> +            '*backing_file': 'str', 'backing_file_ancestors_count': 'int',

I hit send too soon.  QMP prefers '-' over '_', so the new parameter
should be 'backing-file-ancestors-count' (or with my proposal,
'backing-file-depth').  Yes, this particular struct has some _ for
historical reasons, but that doesn't mean that new elements must share
the misery.

-- 
Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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