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5f4c50d528
If you want to set block device I/O tuning values that end with '_max'
and there is nothing else set, libvirt emits an error. In particular:
error: internal error: Unexpected error
That's an unknown error. That is because *_max values depend on their
respective non-_max values. QEMU even says that in the error message
sent as a response to the monitor command:
"error": {"class": "GenericError", "desc": "bps_max/iops_max require
corresponding bps/iops values"}
the problem was that we didn't know that and there was no check for it.
Adding such check makes sure that there will be less confused users.
Signed-off-by: Martin Kletzander <mkletzan@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>