From 760def5b6fddbd3acc5d17bf8d02d21f9d677912 Mon Sep 17 00:00:00 2001
From: root <root@xa-s05.(none)>
Date: Tue, 27 Sep 2005 10:25:21 +0200
Subject: [PATCH] [multipath] adapt to the new udev rules

dev.d/ and hotplug.d/ are deprecated.
Move multipath and multipath partitions triggers to rules.d/

Don't create /dev/ links anymore, we now use exclusively on /dev/mapper/
---
 multipath/multipath.dev   | 13 -------------
 multipath/multipath.rules | 25 ++++++++++++++++++++++---
 2 files changed, 22 insertions(+), 16 deletions(-)
 delete mode 100644 multipath/multipath.dev

diff --git a/multipath/multipath.dev b/multipath/multipath.dev
deleted file mode 100644
index dab433d..0000000
--- a/multipath/multipath.dev
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh -e
-
-if [ ! "${ACTION}" = add ] ; then
-	exit
-fi
-
-if [ "${DEVPATH:7:3}" = "dm-" ] ; then
-	dev=$(</sys${DEVPATH}/dev)
-	map=$(/sbin/devmap_name $dev)
-	/sbin/kpartx -v -a /dev/$map
-else
-	/sbin/multipath -v0 ${DEVNAME}
-fi
diff --git a/multipath/multipath.rules b/multipath/multipath.rules
index 39f266e..28bd142 100644
--- a/multipath/multipath.rules
+++ b/multipath/multipath.rules
@@ -1,3 +1,22 @@
-# multipath wants the devmaps presented as meaninglful device names
-# so name them after their devmap name
-KERNEL="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", NAME="%k", SYMLINK="%c"
+#
+# multipath and multipath partitions nodes are created in /dev/mapper/
+# this file should be installed in /etc/udev/rules.d
+#
+# !! udev must not discard DM events !!
+# !! check the other installed rules !!
+#
+
+# lookup the devmap name
+#ACTION=="add", SUBSYSTEM=="block", KERNEL=="dm-*",
+#	PROGRAM="/sbin/devmap_name %M %m"
+ACTION=="add", SUBSYSTEM=="block", KERNEL=="dm-*",
+	PROGRAM="dmsetup -j %M -m %m --noopencount -n -c -o name info"
+
+# take care of devmap partitioning
+ACTION=="add", SUBSYSTEM=="block", KERNEL=="dm-*",
+	RUN+="/sbin/kpartx -a /dev/mapper/%c"
+
+# insert new paths in multipath topology
+ACTION=="add", SUBSYSTEM=="block", KERNEL!="dm-*",
+	RUN+="/sbin/multipath -v0 %M:%m"
+
-- 
2.7.4