return 1
fi
-+ # get_fstype might report "unknown", ignore it as no such kernel module exists
-+ if [ "${fstype}" = "unknown" ]
++ # get_fstype might report "unknown" or "swap", ignore it as no such kernel module exists
++ if [ "${fstype}" = "unknown" ] || [ "${fstype}" = "swap" ]
+ then
+ return 1
+ fi