[libvirt] [PATCH 19/23] tests: qemumonitorjson: Add case for two disks sharing a backing image

Peter Krempa pkrempa at redhat.com
Fri Mar 24 07:04:22 UTC 2017


On Thu, Mar 23, 2017 at 17:19:40 -0500, Eric Blake wrote:
> On 03/15/2017 11:37 AM, Peter Krempa wrote:
> > Since we have to match the images by filename a common backing image
> > will break the detection process. Add a test case to see that the code
> > correctly did not continue the detection process.
> 
> Maybe qemu can be enhanced to add a new command that makes querying
> relationships easier (won't happen any sooner than qemu 2.10).  Or maybe
> libvirt just learns to always invent its own node names via
> blockdev-add.  But in the meantime, testing our limitations is the best
> we can do.

We really want to switch to -blockdev/blockdev-add and do our own node
names so such API would be of little use to libvirt.
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