Il 22/08/2013 10:53, Fam Zheng ha scritto: >> > This is handy but only works if the QEMU process has permission to >> > create temporary files. >> > > Yes, this is a shortcut, it has this limitation, but the good side is > it's easy to get and no other dependency. > > To avoid creating file, we'll need blockdev-add to override backing_hd, > and blockdev-backup to use an existing BDS as target, then we simply use > current nbd-server-add to export it. > > This series is still RFC, with above said, we still need to decide which > is the way we (QEMU and libvirt) want for 1.7. any thoughts?
I think this was the initial design, but Kevin already said he didn't like the idea. (Also, if you do this you have to add nbd-server-add to qmp-transaction, to atomically start fleecing of multiple devices). Paolo
