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Some applications need to be able to query a guest's disk info, even for paths not managed by the storage pool APIs. This adds a very simple API to get this information, modelled on the virStorageVolGetInfo API, but with an extra field 'physical'. Normally 'physical' and 'allocation' will be identical, but in the case of a qcow2-like file stored inside a block device 'physical' will give the block device size, while 'allocation' will give the qcow2 image size * include/libvirt/libvirt.h.in: Define virDomainGetBlockInfo
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>