BUS=="ide",     KERNEL=="hd[a-z]", ACTION=="add", IMPORT="cdrom_id --export $tempnode"
BUS=="scsi",    KERNEL=="sr[0-9]*", ACTION=="add", IMPORT="cdrom_id --export $tempnode"
BUS=="scsi",    KERNEL=="scd[a-z]", ACTION=="add", IMPORT="cdrom_id --export $tempnode"

SUBSYSTEM=="block", ACTION=="add", ENV{ID_CDROM}=="?*", ENV{MDV_CONFIGURED}!="yes", PROGRAM="/bin/flock /dev/.udev/.lockf-block /lib64/udev/cdrom_helper", SYMLINK+="%c"