lvm: Don't call lvextend on new LVM
lvm: Don't call lvextend on new LVM

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

techtonik/lxd,hallyn/lxd,jsavikko/lxd,erikmack/lxd,lxc/lxd,stgraber/lxd,georghopp/lxd,hallyn/lxd,Skarlso/lxd,lxc/lxd,stgraber/lxd,lxc/lxd,stgraber/lxd,techtonik/lxd,erikmack/lxd,atxwebs/lxd,hallyn/lxd,hallyn/lxd,mjeanson/lxd,lxc/lxd,erikmack/lxd,chrisglass/lxd,Skarlso/lxd,akshaykarle/lxd,stgraber/lxd,georghopp/lxd,mjeanson/lxd,mjeanson/lxd,Skarlso/lxd,ollie314/lxd,stgraber/lxd,lxc/lxd,pcdummy/lxd,hallyn/lxd,pcdummy/lxd,jsavikko/lxd,ollie314/lxd,hallyn/lxd,atxwebs/lxd,lxc/lxd,jsavikko/lxd,akshaykarle/lxd,Skarlso/lxd,akshaykarle/lxd,stgraber/lxd,chrisglass/lxd,pcdummy/lxd,atxwebs/lxd,techtonik/lxd,atxwebs/lxd,ollie314/lxd,stgraber/lxd,chrisglass/lxd,lxc/lxd,georghopp/lxd