On 03/15/2017 11:37 AM, Peter Krempa wrote: > qemu for some time already sets node names automatically for the block > nodes. This patch adds code that attempts a best-effort detection of the > node names for the backing chain from the output of > 'query-named-block-nodes'. The only drawback is that the data provided > by qemu needs to be matched by the filename as seen by qemu and thus > if two disks share a single backing store file the detection won't work. > > This will allow us to use qemu commands such as > 'block-set-write-threshold' which only accepts node names. > > In this patch only the detection code is added, it will be used later. > ---
A bit hairy to follow, but looks like it works. The real test will be when I play with it after applying your entire series locally, to see what I can come up with. So for now, tentative ACK -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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