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d04bb05fb7
For volume processing in virStorageBackendUpdateVolTargetInfo to get the capacity commit id 'a760ba3a7' added the ability to probe a volume that didn't list a target format. Unfortunately, the code used the virStorageSource (e.g. target->type - virStorageType) rather than virStorageVolDef (e.g. vol->type - virStorageVolType) in order to make the comparison. As it turns out target->type for a volume is not filled in at all for a voldef as the code relies on vol->type. Ironically the result is that only VIR_STORAGE_VOL_BLOCK's would get their capacity updated. This patch will adjust the code to check the "vol->type" field instead as an argument. This way for a voldef, the correct comparison is made. Additionally for a backingStore, the 'type' field is never filled in; however, since we know that the provided path is a location at which the backing store can be accessed on the local filesystem thus just pass VIR_STORAGE_VOL_FILE in order to satisfy the adjusted voltype check. Whether it's a FILE or a BLOCK only matters if we're trying to get more data based on the target->format.
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>