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33a3b85750
https://bugzilla.redhat.com/show_bug.cgi?id=1371892 The 'capacity' value (e.g. guest logical size) for a LUKS volume is smaller than the 'physical' value of the file in the file system, so we need to account for that. When peeking at the encryption information about the volume add a fetch of the payload_offset which is described as the offset to the start of the volume data (in 512 byte sectors) in QEMU's QCryptoBlockLUKSHeader. Then adjust the ->capacity appropriately when we determine that the volume target encryption has a payload_offset value. (cherry picked from commit b7d44f450c06803df7df3ad380f7a5c97425c1e6)
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>