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05e702cfd4
Ultimately, we want to avoid read()ing a file while qemu is running. We still have to open() block devices to determine their physical size, but that is safer. This patch rearranges code to group together all code that reads the image, to make it easier for later patches to skip the metadata collection when possible. * src/qemu/qemu_driver.c (qemuDomainGetBlockInfo): Check for empty disk up front. Place metadata reading next to use. Signed-off-by: Eric Blake <eblake@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>