rcutorture: Automatically create initrd directory

	shift

done

if test -z "$TORTURE_INITRD" || tools/testing/selftests/rcutorture/bin/mkinitrd.sh

then

	:

else

	echo No initrd and unable to create one, aborting test >&2

	exit 1

fi

CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG

if test -z "$configs"

#!/bin/bash

#

# Create an initrd directory if one does not already exist.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, you can access it online at

# http://www.gnu.org/licenses/gpl-2.0.html.

#

# Copyright (C) IBM Corporation, 2013

#

# Author: Connor Shu <Connor.Shu@ibm.com>

D=tools/testing/selftests/rcutorture

# Prerequisite checks

[ -z "$D" ] && echo >&2 "No argument supplied" && exit 1

if [ ! -d "$D" ]; then

    echo >&2 "$D does not exist: Malformed kernel source tree?"

    exit 1

fi

if [ -d "$D/initrd" ]; then

    echo "$D/initrd already exists, no need to create it"

    exit 0

fi

T=${TMPDIR-/tmp}/mkinitrd.sh.$$

trap 'rm -rf $T' 0 2

mkdir $T

cat > $T/init << '__EOF___'

#!/bin/sh

while :

do

	sleep 1000000

done

__EOF___

# Try using dracut to create initrd

command -v dracut >/dev/null 2>&1 || { echo >&2 "Dracut not installed"; exit 1; }

echo Creating $D/initrd using dracut.

# Filesystem creation

dracut --force --no-hostonly --no-hostonly-cmdline --module "base" $T/initramfs.img

cd $D

mkdir initrd

cd initrd

zcat $T/initramfs.img | cpio -id

cp $T/init init

echo Done creating $D/initrd using dracut

exit 0