+# /sys/class/block will export this
+# needed for kernels <2.6.25-rc1
+SUBSYSTEM!="block", GOTO="block_devtype_end"
+ENV{DEVTYPE}!="?*", ATTR{range}=="?*", ENV{DEVTYPE}="disk"
+ENV{DEVTYPE}!="?*", ATTR{start}=="?*", ENV{DEVTYPE}="partition"
+LABEL="block_devtype_end"