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2f6b750eca
Commit id 'a48c7141' altered how to determine if a volume was encrypted by adding a peek at an offset into the file at a specific buffer location. Unfortunately, all that was compared was the first "char" of the buffer against the expect "int" value. Restore the virReadBufInt32BE to get the complete field in order to compare against the expected value from the qcow2EncryptionInfo or qcow1EncryptionInfo "modeValue" field. This restores the capability to create a volume with encryption, then refresh the pool, and still find the encryption for the volume.
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>