SUBSYSTEM!="block", GOTO="dm_end"

# treat all block devices according to boot cmdline option:
# we don't know if the device is actually dm or lvm
# but once we know, it is too late

# "nomdlvm" on kernel command line stops activating or
# registering any dm or lvm device
IMPORT{cmdline}="nomdlvm"
ENV{nomdlvm}=="?*", GOTO="dm_disable"

GOTO="dm_end"

LABEL="dm_disable"
ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}="1"
ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}="1"
ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
OPTIONS:="nowatch"

LABEL="dm_end"