etc/crypttab.m4

   1 # <target name> <source device> <key file> <options>
   2 LOCAL_LLOCAL_LV`'_root_deciphered /dev/LOCAL_LLOCAL_VG/LOCAL_LLOCAL_LV`'_root none                        luks,lvm=LOCAL_LLOCAL_VG
   3 LOCAL_LLOCAL_LV`'_var_deciphered  /dev/LOCAL_LLOCAL_VG/LOCAL_LLOCAL_LV`'_var  LOCAL_LLOCAL_LV`'_root_deciphered luks,lvm=LOCAL_LLOCAL_VG,keyscript=/lib/cryptsetup/scripts/decrypt_derived
   4 LOCAL_LLOCAL_LV`'_home_deciphered /dev/LOCAL_LLOCAL_VG/LOCAL_LLOCAL_LV`'_home LOCAL_LLOCAL_LV`'_root_deciphered luks,lvm=LOCAL_LLOCAL_VG,keyscript=/lib/cryptsetup/scripts/decrypt_derived
   5 LOCAL_LLOCAL_LV`'_swap_deciphered /dev/LOCAL_LLOCAL_VG/LOCAL_LLOCAL_LV`'_swap LOCAL_LLOCAL_LV`'_root_deciphered luks,lvm=LOCAL_LLOCAL_VG,keyscript=/lib/cryptsetup/scripts/decrypt_derived