Am 14.03.2013 um 15:45 hat Eric Blake geschrieben: > On 03/12/2013 08:41 AM, Kevin Wolf wrote: > > qcow2 images now accept a boolean lazy_refcounts options. Use it like > > this: > > > > -drive file=test.qcow2,lazy_refcounts=on > > > > If the option is specified on the command line, it overrides the default > > specified by the qcow2 header flags that were set when creating the > > image. > > Question - how would I get at the lazy_refcounts option when hotplugging > a drive after the fact? In other words, we need to wire up access to > per-format options into QMP, to match what we have done on the command line.
We do and I hope I'll get to it soon. Maybe we should create a wiki page for all open -blockdev tasks. Another thing that is yet unclear is how to make these options discoverable. At the moment you just have to know that qcow2 accepts a lazy_refcounts option. Kevin
