Switching default union filesystem to overlay, wheezy systems can use union=aufs...
[live-boot-grml.git] / components / 9990-misc-helpers.sh
index e58f283..9318a4b 100755 (executable)
@@ -1313,20 +1313,13 @@ do_union ()
                        then
                                panic "overlay needs at least one lower filesystem (read-only branch)."
                        fi
-                       unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}"
-                       if ! mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" 2>/dev/null
-                       then
-                               # 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}"
-                       fi
+                       # overlayfs requires:
+                       # + a workdir to become mounted
+                       # + workdir and upperdir to reside under the same mount
+                       # + workdir and upperdir to be in separate directories
+                       mkdir "${unionrw}/rw"
+                       mkdir "${unionrw}/work"
+                       unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work"
                        ;;
        esac