unionmountopts="${unionmountopts}:${rofs}=${ro_opt}"
done
fi
- mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
;;
overlay)
- rw_opt="rw"
- ro_opt="ro"
-
# XXX: can multiple unionro be used? (overlay only handles two dirs, but perhaps they can be chained?)
# XXX: and can unionro be optional? i.e. can overlay skip lowerdir?
if echo ${unionro} | grep -q " "
panic "overlay needs at least one lower filesystem (read-only branch)."
fi
unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}"
+ # Ref: kiwi from OpenSuse kiwi-7.02.18-1.1
+ # overlayfs in version >= v22 behaves differently
+ # + renamed from overlayfs to overlay
+ # + requires a workdir to become mounted
+ # + requires workdir and upperdir to reside under the same mount
+ # + requires workdir and upperdir to be in separate subdirs
+ mkdir ${unionrw}/rw
+ mkdir ${unionrw}/work
+ unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work"
mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
;;
esac
+
+ mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
}
get_custom_mounts ()