Simplified rules a bit. Let user configure max inode nr of /dev, solving bug #193586.

(Portage version: 2.1.3.9)

6 files changed, 559 insertions, 1 deletions

diff --git a/sys-fs/udev/ChangeLog b/sys-fs/udev/ChangeLog
index 7823afe2ca1d..99bd942b281f 100644
--- a/sys-fs/udev/ChangeLog
+++ b/sys-fs/udev/ChangeLog
@@ -1,6 +1,14 @@
 # ChangeLog for sys-fs/udev
 # Copyright 1999-2007 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-fs/udev/ChangeLog,v 1.351 2007/09/20 20:28:42 zzam Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-fs/udev/ChangeLog,v 1.352 2007/09/24 19:59:37 zzam Exp $
+
+*udev-115-r6 (24 Sep 2007)
+
+  24 Sep 2007; Matthias Schwarzott <zzam@gentoo.org>
+  +files/udev-start-115-r6.sh, +files/udev-115-update-gentoo-rules-2.diff,
+  +files/udev.conf.115-r6, +udev-115-r6.ebuild:
+  Simplified rules a bit. Let user configure max inode nr of /dev, solving bug
+  #193586.
 
 *udev-115-r5 (20 Sep 2007)
 
diff --git a/sys-fs/udev/files/digest-udev-115-r6 b/sys-fs/udev/files/digest-udev-115-r6
new file mode 100644
index 000000000000..b90097101aff
--- /dev/null
+++ b/sys-fs/udev/files/digest-udev-115-r6
@@ -0,0 +1,6 @@
+MD5 ac62cf56468db05bd37a5e7fed2823f6 udev-115-update-20070924.diff.bz2 22390
+RMD160 3ce46440aba43088d1319ad5eb627c66abb75099 udev-115-update-20070924.diff.bz2 22390
+SHA256 18e726afd833a827faf2ec7620051b7a142a50d712de132dbda213fc9d3e8021 udev-115-update-20070924.diff.bz2 22390
+MD5 39bbe5ddcd62d35cd56b184d6862c540 udev-115.tar.bz2 198893
+RMD160 bf72a4e20b9ba50a5b0c3da09f77e67ec819b9fa udev-115.tar.bz2 198893
+SHA256 e35bb5662d2ad692a24adc5bb1d10b065e4657bcb68f20c8ef98d892bfc8dc93 udev-115.tar.bz2 198893
diff --git a/sys-fs/udev/files/udev-115-update-gentoo-rules-2.diff b/sys-fs/udev/files/udev-115-update-gentoo-rules-2.diff
new file mode 100644
index 000000000000..f1457c1f50a3
--- /dev/null
+++ b/sys-fs/udev/files/udev-115-update-gentoo-rules-2.diff
@@ -0,0 +1,11 @@
+diff --git a/etc/udev/gentoo/65-permissions.rules b/etc/udev/gentoo/65-permissions.rules
+index 1cc31af..1db0aa7 100644
+--- a/etc/udev/gentoo/65-permissions.rules
++++ b/etc/udev/gentoo/65-permissions.rules
+@@ -18,3 +18,6 @@ SUBSYSTEMS=="scsi", KERNEL=="sg[0-9]*", ATTRS{type}=="[18]", GROUP="tape", MODE=
+ KERNEL=="ippp*|isdn*|dcbri*", GROUP="uucp"
+ KERNEL=="pilot",	GROUP="uucp"
+ 
++# sound devices (sound=alsa, snd=oss)
++SUBSYSTEM=="sound",	GROUP="audio"
++SUBSYSTEM=="snd",	GROUP="audio"
diff --git a/sys-fs/udev/files/udev-start-115-r6.sh b/sys-fs/udev/files/udev-start-115-r6.sh
new file mode 100644
index 000000000000..7f5f06a0a85f
--- /dev/null
+++ b/sys-fs/udev/files/udev-start-115-r6.sh
@@ -0,0 +1,197 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+tmpfs_size="10M"
+
+[ -e /etc/udev/udev.conf ] && . /etc/udev/udev.conf
+
+mount_dev_directory() {
+	# Setup temporary storage for /dev
+	ebegin "Mounting /dev for udev"
+	if [ "${RC_USE_FSTAB}" = "yes" ] ; then
+		mntcmd=$(get_mount_fstab /dev)
+	else
+		unset mntcmd
+	fi
+	if [ -n "${mntcmd}" ] ; then
+		try mount -n ${mntcmd}
+	else
+		mntopts="exec,nosuid,mode=0755,size=${tmpfs_size}"
+		[ -n "${tmpfs_inodes}" ] && mntopts="${mntopts},nr_inodes=${tmpfs_inodes}"
+		if grep -Eq "[[:space:]]+tmpfs$" /proc/filesystems ; then
+			mntcmd="tmpfs"
+		else
+			mntcmd="ramfs"
+		fi
+		# many video drivers require exec access in /dev #92921
+		try mount -n -t "${mntcmd}" -o "${mntopts}" udev /dev
+	fi
+	eend $?
+}
+
+populate_udev() {
+	# populate /dev with devices already found by the kernel
+
+	if get_bootparam "nocoldplug" ; then
+		RC_COLDPLUG="no"
+		ewarn "Skipping udev coldplug as requested in kernel cmdline"
+	fi
+
+	# at this point we are already sure to use kernel 2.6.15 or newer
+	ebegin "Populating /dev with existing devices through uevents"
+	if [ "${RC_COLDPLUG}" = "yes" ]; then
+		/sbin/udevtrigger
+	else
+		# only create device nodes
+		/sbin/udevtrigger --attr-match=dev
+		# run persistent-net stuff, bug 191466
+		/sbin/udevtrigger --subsystem-match=net
+	fi
+	eend $?
+
+	# loop until everything is finished
+	# there's gotta be a better way...
+	ebegin "Letting udev process events"
+	/sbin/udevsettle --timeout=60
+	eend $?
+
+	rm -f /dev/.udev_populate
+	return 0
+}
+
+seed_dev() {
+	# Seed /dev with some things that we know we need
+	ebegin "Seeding /dev with needed nodes"
+
+	# creating /dev/console and /dev/tty1 to be able to write
+	# to $CONSOLE with/without bootsplash before udevd creates it
+	[ ! -c /dev/console ] && mknod /dev/console c 5 1
+	[ ! -c /dev/tty1 ] && mknod /dev/tty1 c 4 1
+	
+	# udevd will dup its stdin/stdout/stderr to /dev/null
+	# and we do not want a file which gets buffered in ram
+	[ ! -c /dev/null ] && mknod /dev/null c 1 3
+
+	# copy over any persistant things
+	if [ -d /lib/udev/devices ] ; then
+		cp --preserve=all --recursive --update /lib/udev/devices/* /dev 2>/dev/null
+	fi
+
+	# Not provided by sysfs but needed
+	ln -snf /proc/self/fd /dev/fd
+	ln -snf fd/0 /dev/stdin
+	ln -snf fd/1 /dev/stdout
+	ln -snf fd/2 /dev/stderr
+	[ -e /proc/kcore ] && ln -snf /proc/kcore /dev/core
+
+	# Create problematic directories
+	mkdir -p /dev/pts /dev/shm
+	eend 0
+}
+
+unpack_device_tarball() {
+	# Actually get udev rolling
+	if [ "${RC_DEVICE_TARBALL}" = "yes" ] && \
+	    [ -s /lib/udev/state/devices.tar.bz2 ] ; then
+		ebegin "Populating /dev with saved device nodes"
+		try tar -jxpf /lib/udev/state/devices.tar.bz2 -C /dev
+		eend $?
+	fi
+}
+
+check_persistent_net() {
+	# check if there are problems with persistent-net
+	local syspath=
+	local devs=
+	local problem_found=0
+	for syspath in /sys/class/net/*_rename*; do
+		if [ -d "${syspath}" ]; then
+			devs="${devs} ${syspath##*/}"
+			problem_found=1
+		fi
+	done
+
+	[ "${problem_found}" = 0 ] && return 0
+
+	eerror "UDEV: Your system has a problem assigning persistent names"
+	eerror "to these network interfaces: ${devs}"
+
+	einfo "Checking persistent-net rules:"
+	# the sed-expression lists all duplicate lines
+	# from the input, like "uniq -d" does, but uniq
+	# is installed into /usr/bin and not available at boot.
+	dups=$(
+		RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules'
+		. /lib/udev/rule_generator.functions
+		find_all_rules 'NAME=' '.*'|tr ' ' '\n'|sort|sed '$!N; s/^\(.*\)\n\1$/\1/; t; D'
+		)
+	if [ -n "${dups}" ]; then
+		ewarn "The rules create multiple entries assigning these names:"
+		eindent
+		ewarn "${dups}"
+		eoutdent
+	else
+		ewarn "Found no duplicate names in persistent-net rules,"
+		ewarn "there must be some other problem!"
+	fi
+	return 1
+}
+
+main() {
+	if [ $(get_KV) -le $(KV_to_int '2.6.14') ] ; then
+		eerror "Your kernel is too old to work with this version of udev."
+		eerror "Current udev only supports Linux kernel 2.6.15 and newer."
+		return 1
+	fi
+
+	mount_dev_directory
+
+	# Create a file so that our rc system knows it's still in sysinit.
+	# Existance means init scripts will not directly run.
+	# rc will remove the file when done with sysinit.
+	touch /dev/.rcsysinit
+
+	# Selinux lovin; /selinux should be mounted by selinux-patched init
+	if [ -x /sbin/restorecon -a -c /selinux/null ] ; then
+		restorecon /dev > /selinux/null
+	fi
+
+	unpack_device_tarball
+	seed_dev
+
+	if [ -e /proc/sys/kernel/hotplug ] ; then
+		echo "" > /proc/sys/kernel/hotplug
+	fi
+
+	ebegin "Starting udevd"
+	/sbin/udevd --daemon
+	eend $?
+
+	/lib/udev/write_root_link_rule
+	populate_udev
+
+	# Only do this for baselayout-1*
+	if [ ! -e /lib/librc.so ]; then
+
+		# Create nodes that udev can't
+		ebegin "Finalizing udev configuration"
+		[ -x /sbin/lvm ] && \
+			/sbin/lvm vgscan -P --mknodes --ignorelockingfailure &>/dev/null
+		# Running evms_activate on a LiveCD causes lots of headaches
+		[ -z "${CDBOOT}" -a -x /sbin/evms_activate ] && \
+			/sbin/evms_activate -q &>/dev/null
+		eend 0
+	fi
+
+	check_persistent_net
+
+	# trigger executing initscript when /etc is writable
+	IN_HOTPLUG=1 /etc/init.d/udev-postmount start >/dev/null 2>/dev/null
+
+	# udev started successfully
+	return 0
+}
+
+main
+
+# vim:ts=4
diff --git a/sys-fs/udev/files/udev.conf.115-r6 b/sys-fs/udev/files/udev.conf.115-r6
new file mode 100644
index 000000000000..9dd04613a4ea
--- /dev/null
+++ b/sys-fs/udev/files/udev.conf.115-r6
@@ -0,0 +1,6 @@
+# The maximum size reserved for the tmpfs mounted on /dev
+tmpfs_size="10M"
+
+# The maximum number of inodes reserved for the tmpfs mounted on /dev
+#tmpfs_inodes="4k"
+
diff --git a/sys-fs/udev/udev-115-r6.ebuild b/sys-fs/udev/udev-115-r6.ebuild
new file mode 100644
index 000000000000..c62c6efd11ee
--- /dev/null
+++ b/sys-fs/udev/udev-115-r6.ebuild
@@ -0,0 +1,330 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-fs/udev/udev-115-r6.ebuild,v 1.1 2007/09/24 19:59:37 zzam Exp $
+
+inherit eutils flag-o-matic multilib toolchain-funcs versionator
+
+PATCH="${P}-update-20070924.diff"
+DESCRIPTION="Linux dynamic and persistent device naming support (aka userspace devfs)"
+HOMEPAGE="http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html"
+SRC_URI="mirror://kernel/linux/utils/kernel/hotplug/${P}.tar.bz2
+	mirror://gentoo/${PATCH}.bz2
+	http://dev.gentoo.org/~zzam/distfiles/${PATCH}.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
+IUSE="selinux"
+
+DEPEND="selinux? ( sys-libs/libselinux )"
+RDEPEND="!sys-apps/coldplug
+	!<sys-fs/device-mapper-1.02.19-r1"
+RDEPEND="${DEPEND} ${RDEPEND}
+	>=sys-apps/baselayout-1.12.5"
+# We need the lib/rcscripts/addon support
+PROVIDE="virtual/dev-manager"
+
+pkg_setup() {
+	udev_helper_dir="/$(get_libdir)/udev"
+
+	myconf=
+	extras="extras/ata_id \
+			extras/cdrom_id \
+			extras/edd_id \
+			extras/firmware \
+			extras/floppy \
+			extras/path_id \
+			extras/scsi_id \
+			extras/usb_id \
+			extras/volume_id \
+			extras/collect \
+			extras/rule_generator \
+			extras/root_link"
+
+	use selinux && myconf="${myconf} USE_SELINUX=true"
+
+	# comparing kernel version without linux-info.eclass to not pull
+	# virtual/linux-sources
+
+	local KV=$(uname -r)
+	local KV_MAJOR=$(get_major_version ${KV})
+	local KV_MINOR=$(get_version_component_range 2 ${KV})
+	local KV_MICRO=$(get_version_component_range 3 ${KV})
+
+	local ok=0
+	if [[ "${KV_MAJOR}" == 2 ]] && [[ "${KV_MINOR}" == 6 ]] && [[ "${KV_MICRO}" -ge 15 ]]; then
+		ok=1
+	fi
+
+	if [[ "$ok" = "0" ]]; then
+		ewarn
+		ewarn "${P} does not support Linux kernel before version 2.6.15!"
+		ewarn "If you want to use udev you need to update"
+		ewarn "to kernel >=2.6.15!"
+		ewarn
+		ebeep
+	fi
+}
+
+sed_helper_dir() {
+	sed -e "s#/lib/udev#${udev_helper_dir}#" -i "$@"
+}
+
+src_unpack() {
+	unpack ${A}
+
+	cd "${S}"
+
+	# patches go here...
+	epatch "${WORKDIR}/${PATCH}"
+	EPATCH_OPTS="-p1" epatch "${FILESDIR}/${PN}-114-root-link-2.diff"
+	epatch "${FILESDIR}"/udev-115-update-gentoo-rules-2.diff
+	rm etc/udev/gentoo/40-audio.rules
+
+	# add blacklisting option where needed
+	#sed	-e '/MODALIAS/s#modprobe#modprobe --use-blacklist#' \
+	#	-e '/while read id/s#modprobe#modprobe --use-blacklist#' \
+	#	-i etc/udev/rules.d/80-drivers.rules
+
+	# No need to clutter the logs ...
+	sed -ie '/^DEBUG/ c\DEBUG = false' Makefile
+	# Do not use optimization flags from the package
+	sed -ie 's|$(OPTIMIZATION)||g' Makefile
+	# Do not require xmlto to refresh manpages
+	sed -ie 's|$(MAN_PAGES)||g' Makefile
+
+	# Make sure there is no sudden changes to upstream rules file
+	# (more for my own needs than anything else ...)
+	MD5=`md5sum < "${S}/etc/udev/rules.d/50-udev-default.rules"`
+	MD5=${MD5/  -/}
+	if [ "${MD5}" != "644e3c77eb866dee4ff8dda2e95cd187" ]
+	then
+		echo
+		eerror "50-udev-default.rules has been updated, please validate!"
+		die "50-udev-default.rules has been updated, please validate!"
+	fi
+
+	sed_helper_dir \
+		etc/udev/rules.d/50-udev-default.rules \
+		extras/rule_generator/write_*_rules \
+		udev_rules_parse.c \
+		udev_rules.c
+
+	# Use correct multilib dir
+	sed -i extras/volume_id/lib/Makefile \
+		-e "/ =/s-/lib-/$(get_libdir)-"
+}
+
+src_compile() {
+	filter-flags -fprefetch-loop-arrays
+
+	# Not everyone has full $CHOST-{ld,ar,etc...} yet
+	local mycross=""
+	type -p ${CHOST}-ar && mycross=${CHOST}-
+
+	emake \
+		EXTRAS="${extras}" \
+		libudevdir=${udev_helper_dir} \
+		CROSS_COMPILE=${mycross} \
+		OPTFLAGS="" \
+		${myconf} || die
+}
+
+src_install() {
+	into /
+	emake \
+		DESTDIR="${D}" \
+		libudevdir=${udev_helper_dir} \
+		EXTRAS="${extras}" \
+		${myconf} \
+		install || die
+
+	# make install does not install this
+	dosbin udevstart	|| die "Required binary not installed properly"
+	doman udevstart.8
+
+	exeinto "${udev_helper_dir}"
+	newexe "${FILESDIR}"/net-104-r10.sh net.sh	|| die "Required binary not installed properly"
+	newexe "${FILESDIR}"/move_tmp_persistent_rules-112-r1.sh move_tmp_persistent_rules.sh \
+		|| die "Required binary not installed properly"
+
+	keepdir "${udev_helper_dir}"/state
+	keepdir "${udev_helper_dir}"/devices
+
+	# create symlinks for these utilities to /sbin
+	# where multipath-tools expect them to be (Bug #168588)
+	dosym "..${udev_helper_dir}/vol_id" /sbin/vol_id
+	dosym "..${udev_helper_dir}/scsi_id" /sbin/scsi_id
+
+	# vol_id library (needed by mount and HAL)
+	into /
+	rm "${D}/$(get_libdir)"/libvolume_id.so* 2>/dev/null
+	dolib extras/volume_id/lib/*.so* || die "Failed installing libvolume_id.so"
+	into /usr
+	dolib extras/volume_id/lib/*.a || die "Failed installing libvolume_id.a"
+
+	# handle static linking bug #4411
+	rm -f "${D}/usr/$(get_libdir)/libvolume_id.so"
+	gen_usr_ldscript libvolume_id.so
+
+	# Add gentoo stuff to udev.conf
+	cat "${FILESDIR}"/udev.conf.115-r6 >> "${D}"/etc/udev/udev.conf
+
+	# Now installing rules
+	cd etc/udev
+	insinto /etc/udev/rules.d/
+
+	# Our rules files
+	doins gentoo/??-*.rules
+	doins packages/40-alsa.rules
+
+	# Adding arch specific rules
+	if [[ -f "packages/40-${ARCH}.rules" ]]; then
+		doins "packages/40-${ARCH}.rules"
+	fi
+	cd "${S}"
+
+	# our udev hooks into the rc system
+	insinto /$(get_libdir)/rcscripts/addons
+	newins "${FILESDIR}"/udev-start-115-r6.sh udev-start.sh
+	newins "${FILESDIR}"/udev-stop-111-r2.sh udev-stop.sh
+
+	# The udev-post init-script
+	newinitd "${FILESDIR}"/udev-postmount-initd-111-r2 udev-postmount
+
+	insinto /etc/modprobe.d
+	newins ${FILESDIR}/blacklist-110 blacklist
+	doins ${FILESDIR}/pnp-aliases
+
+	# convert /lib/udev to real used dir
+	sed_helper_dir \
+		"${D}/$(get_libdir)"/rcscripts/addons/*.sh \
+		"${D}"/etc/init.d/udev* \
+		"${D}"/etc/modprobe.d/*
+
+	# documentation
+	dodoc ChangeLog FAQ README TODO RELEASE-NOTES
+	dodoc docs/{overview,udev_vs_devfs}
+	dodoc docs/writing_udev_rules/*
+
+	newdoc extras/volume_id/README README_volume_id
+
+	echo "CONFIG_PROTECT_MASK=\"/etc/udev/rules.d\"" > 20udev
+	doenvd 20udev
+}
+
+pkg_preinst() {
+	if [[ -d "${ROOT}"/lib/udev-state ]] ; then
+		mv -f "${ROOT}"/lib/udev-state/* "${D}"/lib/udev/state/
+		rm -r "${ROOT}"/lib/udev-state
+	fi
+
+	if [ -f "${ROOT}/etc/udev/udev.config" -a \
+	     ! -f "${ROOT}/etc/udev/udev.rules" ]
+	then
+		mv -f "${ROOT}"/etc/udev/udev.config "${ROOT}"/etc/udev/udev.rules
+	fi
+
+	# delete the old udev.hotplug symlink if it is present
+	if [ -h "${ROOT}/etc/hotplug.d/default/udev.hotplug" ]
+	then
+		rm -f "${ROOT}"/etc/hotplug.d/default/udev.hotplug
+	fi
+
+	# delete the old wait_for_sysfs.hotplug symlink if it is present
+	if [ -h "${ROOT}/etc/hotplug.d/default/05-wait_for_sysfs.hotplug" ]
+	then
+		rm -f "${ROOT}"/etc/hotplug.d/default/05-wait_for_sysfs.hotplug
+	fi
+
+	# delete the old wait_for_sysfs.hotplug symlink if it is present
+	if [ -h "${ROOT}/etc/hotplug.d/default/10-udev.hotplug" ]
+	then
+		rm -f "${ROOT}"/etc/hotplug.d/default/10-udev.hotplug
+	fi
+
+	# is there a stale coldplug initscript? (CONFIG_PROTECT leaves it behind)
+	coldplug_stale=""
+	if [ -f "${ROOT}/etc/init.d/coldplug" ]
+	then
+		coldplug_stale="1"
+	fi
+}
+
+pkg_postinst() {
+	# people want reminders, I'll give them reminders.  Odds are they will
+	# just ignore them anyway...
+
+	if [[ ${coldplug_stale} == "1" ]] ; then
+		ewarn "A stale coldplug init script found. You should run:"
+		ewarn
+		ewarn "      rc-update del coldplug"
+		ewarn "      rm -f /etc/init.d/coldplug"
+		ewarn
+		ewarn "udev now provides its own coldplug functionality."
+	fi
+
+	# delete 40-scsi-hotplug.rules - all integrated in 50-udev.rules
+	if has_version "=sys-fs/udev-103-r3"; then
+		if [[ -e "${ROOT}/etc/udev/rules.d/40-scsi-hotplug.rules" ]]
+		then
+			ewarn "Deleting stray 40-scsi-hotplug.rules"
+			ewarn "installed by sys-fs/udev-103-r3"
+			rm -f "${ROOT}"/etc/udev/rules.d/40-scsi-hotplug.rules
+		fi
+	fi
+
+	# Removing some device-nodes we thought we need some time ago
+	if [[ -d "${ROOT}"/lib/udev/devices ]]; then
+		rm -f "${ROOT}"/lib/udev/devices/{null,zero,console,urandom}
+	fi
+
+	# Removing some old file
+	if has_version "<sys-fs/udev-104-r5"; then
+		rm -f "${ROOT}"/etc/dev.d/net/hotplug.dev
+		rmdir --ignore-fail-on-non-empty "${ROOT}"/etc/dev.d/net 2>/dev/null
+	fi
+
+	if has_version "<sys-fs/udev-106-r5"; then
+		if [[ -e "${ROOT}"/etc/udev/rules.d/95-net.rules ]]; then
+			rm -f "${ROOT}"/etc/udev/rules.d/95-net.rules
+		fi
+	fi
+
+	# Try to remove /etc/dev.d as that is obsolete
+	if [[ -d "${ROOT}"/etc/dev.d ]]; then
+		rmdir --ignore-fail-on-non-empty "${ROOT}"/etc/dev.d/default "${ROOT}"/etc/dev.d 2>/dev/null
+		if [[ -d "${ROOT}"/etc/dev.d ]]; then
+			ewarn "You still have the directory /etc/dev.d on your system."
+			ewarn "This is no longer used by udev and can be removed."
+		fi
+	fi
+
+	# 64-device-mapper.rules now gets installed by sys-fs/device-mapper
+	# remove it if user don't has sys-fs/device-mapper installed
+	if has_version "<sys-fs/udev-113" &&
+		[[ -f "${ROOT}"/etc/udev/rules.d/64-device-mapper.rules ]] &&
+		! has_version sys-fs/device-mapper
+	then
+			rm -f "${ROOT}"/etc/udev/rules.d/64-device-mapper.rules
+			einfo "Removed unneeded file 64-device-mapper.rules"
+	fi
+
+	if [[ "${ROOT}" == "/" ]] ; then
+		# check if root of init-process is identical to ours
+		if [ -r /proc/1/root -a /proc/1/root/ -ef /proc/self/root/ ]; then
+			einfo "restarting udevd now."
+			if [[ -n $(pidof udevd) ]] ; then
+				killall -15 udevd &>/dev/null
+				sleep 1
+				killall -9 udevd &>/dev/null
+			fi
+			/sbin/udevd --daemon
+		fi
+	fi
+
+	einfo
+	einfo "For more information on udev on Gentoo, writing udev rules, and"
+	einfo "         fixing known issues visit:"
+	einfo "         http://www.gentoo.org/doc/en/udev-guide.xml"
+}