Re: [Qemu-devel] [PATCH v2 6/6] qapi: Promote blockdev-change-medium arguments to QAPI type

[Markus Armbruster <armbru@redhat.com>]

Eric Blake <eblake@redhat.com> writes:

> Having a named rather than anonymous C type will make it easier
> to improve the testsuite in a later patch.

Post it together with said later patch then.

>                                            No semantic change,
> to any of the existing code or to the introspection output.
>
> Signed-off-by: Eric Blake <eblake@redhat.com>
>
> ---
> v2: rebase to master
> ---
>  qapi/block-core.json | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/qapi/block-core.json b/qapi/block-core.json
> index 1b3e6eb..0e31d25 100644
> --- a/qapi/block-core.json
> +++ b/qapi/block-core.json
> @@ -3119,6 +3119,15 @@
>  # combines blockdev-open-tray, x-blockdev-remove-medium,
>  # x-blockdev-insert-medium and blockdev-close-tray).
>  #
> +# Since: 2.5
> +##
> +{ 'command': 'blockdev-change-medium',
> +  'data': 'BlockdevChangeMedium' }
> +
> +
> +##
> +# @BlockdevChangeMedium:
> +#
>  # @device:          #optional Block device name (deprecated, use @id instead)
>  #
>  # @id:              #optional The name or QOM path of the guest device
   #                   (since: 2.8)
   #
   # @filename:        filename of the new image to be loaded
   #
   # @format:          #optional, format to open the new image with (defaults to
   #                   the probed format)
   #
   # @read-only-mode:  #optional, change the read-only mode of the device; defaults
   #                   to 'retain'
   #
   # Since: 2.5

Isn't Since: 2.5 misleading?  The anonymous type goes back to 2.5, but
the name doesn't.

> @@ -3165,7 +3174,7 @@
>  # <- { "return": {} }
>  #
>  ##
> -{ 'command': 'blockdev-change-medium',
> +{ 'struct': 'BlockdevChangeMedium',
>    'data': { '*device': 'str',
>              '*id': 'str',
>              'filename': 'str',