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Rather than have the Disk code having to use PARTED to determine if there's something on the device, let's use the virStorageBackendDeviceProbe. and only fallback to the PARTED probing if the BLKID code isn't built in. This will also provide a mechanism for the other current caller (File System Backend) to utilize a PARTED parsing algorithm in the event that BLKID isn't built in to at least see if *something* exists on the disk before blindly trying to use. The PARTED error checking will not find file system types, but if there is a partition table set on the device, it will at least cause a failure. Move virStorageBackendDiskValidLabel and virStorageBackendDiskFindLabel to storage_backend and rename/rework the code to fit the new model. Update the virsh.pod description to provide a more generic description of the process since we could now use either blkid or parted to find data on the target device. Signed-off-by: John Ferlan <jferlan@redhat.com>
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>