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Peter's review of an early version of my addition of active block commit pointed out some issues that I was copying from the block copy code; fix them up now before perpetuating them. For virsh commands that manage a single API call, it's nice to have a 1:1 mapping of options to flags, so that we can test that lower-layer software handles flag combinations correctly. But where virsh is introducing syntactic sugar to combine multiple API calls into a single user interface, we might as well make that interface compact. That is, we should allow the shorter command-line of 'blockcopy $dom $disk --pivot' without having to explicitly specify --wait, because this isn't directly a flag passed to a single underlying API call. Also, my use of embedded ?: ternaries bordered on unreadable. * tools/virsh-domain.c (cmdBlockCopy): Make --pivot, --finish, and --timeout imply --wait. Drop excess ?: operators. * tools/virsh.pod (blockcopy): Update documentation. 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>