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

 }