Re: [libvirt] [PATCH 05/23] lib: Introduce event for tracking disk backing file write threshold

When using thin provisioning, management tools need to resize the disk in certain cases. To avoid having them to poll disk usage introduce an event which will be fired when a given offset of the storage is written by the hypervisor. Together with the API which will be added later, it will allow registering thresholds for given storage backing volumes and this event will then notify management if the threshold is exceeded. ---