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e5d729ba42
If a VM migration is aborted, a disk mirror may be failed by QEMU before libvirt has a chance to cancel it. The disk->mirrorState remains at _ABORT in this case, and this breaks subsequent mirrorings of that disk. We should instead check the mirrorState directly and transition to _NONE if it is already aborted. Do the check *after* aborting the block job in QEMU to avoid a race. Signed-off-by: Michael Chapman <mike@very.puzzling.org>
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>