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8ee5073c1e
Support the REUSE_EXT flag, in part by copying sanity checks from snapshot code. This code introduces a case of probing an external file for its type; such an action would be a security risk if the existing file is supposed to be raw but the contents resemble some other format; however, since the virDomainBlockRebase API has a flag to force treating the file as raw rather than probe, we can assume that probing is safe in all other instances. Besides, if we don't probe or force raw, then qemu will. * src/qemu/qemu_driver.c (qemuDomainBlockRebase): Allow REUSE_EXT flag. (qemuDomainBlockCopy): Wire up flag, and add some sanity checks.
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>