Remove 'last_rule' from udev rules.

'last_rule' option has been removed from udev (version >= 147).

From now on, we require foreign rules to check and honor
ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG} instead. Foreign
rules should be skipped totally when this flag is set.

diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 84fe5ce..9751a03 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.40 -
 ===================================
+  Remove 'last_rule' from udev rules: honor ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}.
 
 Version 1.02.39 - 26th October 2009
 ===================================
diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h
index 721e08a..b339683 100644
--- a/libdm/libdevmapper.h
+++ b/libdm/libdevmapper.h
@@ -1057,9 +1057,9 @@ void dm_report_field_set_value(struct dm_report_field *field, const void *value,
 /*
  * DM_UDEV_DISABLE_OTHER_RULES_FLAG is set in case we need to disable
  * all the other rules that are not general device-mapper nor subsystem
- * related (the rules belong to other software or packages). Use this
- * flag with care since it will cutoff the rule processing after the
- * last device-mapper/subsytem rule is applied.
+ * related (the rules belong to other software or packages). All foreign
+ * rules should check this flag directly and they should ignore further
+ * rule processing for such event.
  */
 #define DM_UDEV_DISABLE_OTHER_RULES_FLAG 0x0008
 /*
diff --git a/udev/13-dm-disk.rules b/udev/13-dm-disk.rules
index 03d9cbc..271ca22 100644
--- a/udev/13-dm-disk.rules
+++ b/udev/13-dm-disk.rules
@@ -10,27 +10,18 @@
 # suspended.
 
 # "add" event is processed on coldplug only!
-ACTION!="add|change", GOTO="dm_other"
-ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="dm_other"
-ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}=="1", GOTO="dm_other"
+ACTION!="add|change", GOTO="dm_end"
+ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="dm_end"
+ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}=="1", GOTO="dm_end"
 
 SYMLINK+="disk/by-id/dm-name-$env{DM_NAME}"
 ENV{DM_UUID}=="?*", SYMLINK+="disk/by-id/dm-uuid-$env{DM_UUID}"
 
-ENV{DM_SUSPENDED}=="1", GOTO="dm_other"
+ENV{DM_SUSPENDED}=="1", GOTO="dm_end"
 
 IMPORT{program}="$env{DM_SBIN_PATH}/blkid -o udev -p $tempnode"
 ENV{DM_UDEV_LOW_PRIORITY_FLAG}=="1", OPTIONS="link_priority=-100"
 ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
 ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
 
-# Cutoff all subsequent rules if instructed by a flag.
-# This flag should be used in well-founded situations only to prevent
-# any problems that could arise when processing this event further by
-# foreign rules (various temporary and hidden devices mostly).
-LABEL="dm_other"
-ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}!="1", GOTO="dm_end"
-ENV{DM_COOKIE}=="?*", RUN+="$env{DM_SBIN_PATH}/dmsetup udevcomplete $env{DM_COOKIE}"
-OPTIONS+="last_rule"
-
 LABEL="dm_end"