[libvirt] Glusterfs Libvirt issue

Hi, I am trying to create glusterfs pool with libvirt but its working, and following is the error *libvirt_storagepool_define_xml(): internal error unknown storage pool type gluster* the Qemu has enabled glusterfs backend support. I can create the glusterfs image using this *qemu-img create gluster://localhost/test/umar 5G* Would you please help what should else i need to require? Br. Umar