SUBSYSTEM!="block", GOTO="persistent_storage_end"
# skip rules for inappropriate block devices
-KERNEL=="ram*|loop*|fd*|nbd*|gnbd*|dm-*|md*|btibm*", GOTO="persistent_storage_end"
+KERNEL=="ram*|fd*|nbd*|gnbd*|dm-*|md*|btibm*", GOTO="persistent_storage_end"
# never access non-cdrom removable ide devices, the drivers are causing event loops on open()
KERNEL=="hd*[!0-9]", ATTR{removable}=="1", DRIVERS=="ide-cs|ide-floppy", GOTO="persistent_storage_end"