Avoid passing in large (sparse) vdi_info structs as arguments
Avoid passing in large (sparse) vdi_info structs as arguments

We will prefer being explicit about which arguments are actually
required.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@citrix.com>

xapi-project/message-switch,xapi-project/message-switch,xapi-project/message-switch