X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=extras%2Fide-devfs.sh;h=8648f6c0c06d7c97678cef10f9bc7993394a693f;hb=b6864b4bf1945d6b950a77e96fd68e9952bbeb02;hp=3409c407eb5f97d358abe2a59dc074c27b7bad8d;hpb=4af58c70571c5c63edaff20d2032c8eeb59678b6;p=elogind.git

diff --git a/extras/ide-devfs.sh b/extras/ide-devfs.sh
index 3409c407e..8648f6c0c 100644
--- a/extras/ide-devfs.sh
+++ b/extras/ide-devfs.sh
@@ -1,27 +1,47 @@
 #!/bin/sh
 
-# udev CALLOUT script
+# udev external PROGRAM script
 # return devfs-names for ide-devices
-# CALLOUT, BUS="ide", PROGRAM="/etc/udev/ide-devfs.sh %k %b %n", ID="hd*", NAME="%1c", SYMLINK="%2c"
+# BUS="ide", KERNEL="hd*", PROGRAM="/etc/udev/ide-devfs.sh %k %b %n", NAME="%k", SYMLINK="%1c %2c"
 
-HOST=${2%\.[0-9]}
-TARGET=${2#[0-9]\.}
+HOST="${2%\.[0-9]}"
+TARGET="${2#[0-9]\.}"
 
-if [ -z ${HOST#[13579]} ]; then
-	HOST=`expr $HOST - 1`
+if [ -z "${HOST#[13579]}" ]; then
+	HOST=`expr ${HOST} - 1`
 	BUS="1"
 else
 	BUS="0"
 fi
 
+get_dev_number() {
+	local x=
+	local num=0
+	local MEDIA=
+	local DRIVE="${1%[0-9]*}"
+
+	for x in /proc/ide/*/media; do
+		if [ -e "${x}" ]; then
+			MEDIA=`cat ${x}`
+			if [ "${MEDIA}" = "$2" ]; then
+				num=`expr ${num} + 1`
+			fi
+			if [ "${x}" = "/proc/ide/${DRIVE}/media" ]; then
+				break
+			fi
+		fi
+	done
+	
+	echo `expr ${num} - 1`
+}
+
 if [ -z "$3" ]; then
-	MEDIA=`cat /proc/ide/$1/media`
-	if [ "$MEDIA" = "cdrom" ]; then
-		echo $1 ide/host$HOST/bus$BUS/target$TARGET/lun0/cd
-	elif [ "$MEDIA" = "disk" ]; then
-		echo $1 ide/host$HOST/bus$BUS/target$TARGET/lun0/disc
+	MEDIA=`cat /proc/ide/${1}/media`
+	if [ "${MEDIA}" = "cdrom" ]; then
+		echo ide/host${HOST}/bus${BUS}/target${TARGET}/lun0/cd cdroms/cdrom`get_dev_number $1 cdrom`
+	elif [ "${MEDIA}" = "disk" ]; then
+		echo ide/host${HOST}/bus${BUS}/target${TARGET}/lun0/disc discs/disc`get_dev_number $1 disk`/disc
 	fi
 else
-	echo $1 ide/host$HOST/bus$BUS/target$TARGET/lun0/part$3
+	echo ide/host${HOST}/bus${BUS}/target${TARGET}/lun0/part$3 discs/disc`get_dev_number $1 disk`/part$3
 fi
-