[libvirt] [v7 00/10] Support cache tune in libvirt

[Marcelo Tosatti]

How does the management software query the amount of allocatable cache
again? 

Section from another discussion:

> The second case is necessary to get updated free space information.
>

Just VM initialization time could be enough as virConnectGetCapabilities
would just know the total and free size would be reported in an API (if
I rememer the discussion correctly)

Martin