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From db110a036a13e5c99e073128ec8aa7b1fdc7e992 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Wed, 18 Dec 2013 12:28:51 +0100
Subject: [PATCH] dracut-lib/wait_for_dev(): prevent systemd daemon-reload
prevent a systemd daemon-reload, if it is not necessary to do.
---
modules.d/98systemd/dracut-cmdline.sh | 2 --
modules.d/98systemd/module-setup.sh | 2 ++
modules.d/98systemd/rootfs-generator.sh | 30 ++++++++++++++++++++++++++++++
modules.d/99base/dracut-lib.sh | 30 ++++++++++++++++++++++++------
4 files changed, 56 insertions(+), 8 deletions(-)
create mode 100755 modules.d/98systemd/rootfs-generator.sh
diff --git a/modules.d/98systemd/dracut-cmdline.sh b/modules.d/98systemd/dracut-cmdline.sh
index 50b8d6c9..36406d9d 100755
--- a/modules.d/98systemd/dracut-cmdline.sh
+++ b/modules.d/98systemd/dracut-cmdline.sh
@@ -66,8 +66,6 @@ case "$root" in
rootok=1 ;;
esac
-[ "${root%%:*}" = "block" ] && wait_for_dev "${root#block:}"
-
[ -z "$root" ] && die "No or empty root= argument"
[ -z "$rootok" ] && die "Don't know how to handle 'root=$root'"
diff --git a/modules.d/98systemd/module-setup.sh b/modules.d/98systemd/module-setup.sh
index a5ac2a53..7b3dfa40 100755
--- a/modules.d/98systemd/module-setup.sh
+++ b/modules.d/98systemd/module-setup.sh
@@ -178,6 +178,8 @@ install() {
inst_script "$moddir/dracut-mount.sh" /bin/dracut-mount
inst_script "$moddir/dracut-pre-pivot.sh" /bin/dracut-pre-pivot
+ inst_script "$moddir/rootfs-generator.sh" /lib/systemd/system-generators/dracut-rootfs-generator
+
inst_rules 99-systemd.rules
for i in \
diff --git a/modules.d/98systemd/rootfs-generator.sh b/modules.d/98systemd/rootfs-generator.sh
new file mode 100755
index 00000000..3770c6b1
--- /dev/null
+++ b/modules.d/98systemd/rootfs-generator.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
+root=$(getarg root=)
+case "$root" in
+ block:LABEL=*|LABEL=*)
+ root="${root#block:}"
+ root="$(echo $root | sed 's,/,\\x2f,g')"
+ root="block:/dev/disk/by-label/${root#LABEL=}"
+ rootok=1 ;;
+ block:UUID=*|UUID=*)
+ root="${root#block:}"
+ root="block:/dev/disk/by-uuid/${root#UUID=}"
+ rootok=1 ;;
+ block:PARTUUID=*|PARTUUID=*)
+ root="${root#block:}"
+ root="block:/dev/disk/by-partuuid/${root#PARTUUID=}"
+ rootok=1 ;;
+ block:PARTLABEL=*|PARTLABEL=*)
+ root="${root#block:}"
+ root="block:/dev/disk/by-partlabel/${root#PARTLABEL=}"
+ rootok=1 ;;
+ /dev/*)
+ root="block:${root}"
+ rootok=1 ;;
+esac
+
+[ "${root%%:*}" = "block" ] && wait_for_dev -n "${root#block:}"
diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 7249c589..a3476ab3 100755
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -846,7 +846,18 @@ dev_unit_name()
wait_for_dev()
{
local _name
+ local _needreload
+ local _noreload
+
+ if [ "$1" = "-n" ]; then
+ _noreload=1
+ shift
+ fi
+
_name="$(str_replace "$1" '/' '\x2f')"
+
+ [ -e "${PREFIX}$hookdir/initqueue/finished/devexists-${_name}.sh" ] && return 0
+
printf '[ -e "%s" ]\n' $1 \
>> "${PREFIX}$hookdir/initqueue/finished/devexists-${_name}.sh"
{
@@ -859,14 +870,21 @@ wait_for_dev()
if ! [ -L ${PREFIX}/etc/systemd/system/initrd.target.wants/${_name}.device ]; then
[ -d ${PREFIX}/etc/systemd/system/initrd.target.wants ] || mkdir -p ${PREFIX}/etc/systemd/system/initrd.target.wants
ln -s ../${_name}.device ${PREFIX}/etc/systemd/system/initrd.target.wants/${_name}.device
+ _needreload=1
fi
- mkdir -p ${PREFIX}/etc/systemd/system/${_name}.device.d
- {
- echo "[Unit]"
- echo "JobTimeoutSec=3600"
- } > ${PREFIX}/etc/systemd/system/${_name}.device.d/timeout.conf
- [ -z "$PREFIX" ] && /sbin/initqueue --onetime --unique --name daemon-reload systemctl daemon-reload
+ if ! [ -f ${PREFIX}/etc/systemd/system/${_name}.device.d/timeout.conf ]; then
+ mkdir -p ${PREFIX}/etc/systemd/system/${_name}.device.d
+ {
+ echo "[Unit]"
+ echo "JobTimeoutSec=3600"
+ } > ${PREFIX}/etc/systemd/system/${_name}.device.d/timeout.conf
+ _needreload=1
+ fi
+
+ if [ -z "$PREFIX" ] && [ "$_needreload" = 1 ] && [ -z "$_noreload" ]; then
+ /sbin/initqueue --onetime --unique --name daemon-reload systemctl daemon-reload
+ fi
fi
}