Re: [libvirt] [PATCH 08/14] Store the interface vlan number in the domain state

On Mon, Jul 20, 2009 at 12:51:18PM +0100, Mark McLoughlin wrote: > Currently, an interface's vlan number corresponds to its index in > the table of network interfaces. That is no longer true when we > allow devices to be removed. > > To fix this, we store the vlan number in the domain's state XML > so that it survives libvirtd restarts. > > * src/domain_conf.h: add vlan number to virDomainNetDef > > * src/domain_conf.c: store it in XML as <state vlan='N'/>, defaulting > to -1 if this is state saved by a previous version of libvirt > > * src/qemu_conf.c: assign vlan numbers before starting qemu Am I right in thinking we only need to preserve this info so that we can figure out the next free VLAN number for hot-plug ?