kpartx

# kpartx -a /dev/vg_trick/F13Rawhidex64
# ls -1 /dev/mapper/vg_trick-F13Rawhidex64*
/dev/mapper/vg_trick-F13Rawhidex64
/dev/mapper/vg_trick-F13Rawhidex64p1
/dev/mapper/vg_trick-F13Rawhidex64p2
# vgscan
  Reading all physical volumes.  This may
    take a while...
  Found volume group "vg_f13rawhide" [..]
  Found volume group "vg_trick" [..]
# lvs
  LV                VG            Attr   LSize [..]
  lv_root           vg_f13rawhide -wi---   8.83g
  lv_swap           vg_f13rawhide -wi--- 992.00m