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#!/bin/sh
#
# Copyright (c) 2017 Dell EMC Isilon
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# Demonstrate bogus "no inodes free" with SU.
. ../default.cfg
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
[ "$newfs_flags" = "-U" ] || exit 0
set -e
mount | grep -q "on $mntpoint " && umount -f $mntpoint
[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
mdconfig -a -t swap -s 2m -u $mdstart
newfs -n -U /dev/md$mdstart > /dev/null
mount /dev/md$mdstart $mntpoint
inodes=`df -i $mntpoint | grep "$mntpoint" | awk '{print $7}'`
inodes=$((inodes - 2))
here=`pwd`
s=0
for j in `jot 2`; do
cd $mntpoint
for i in `jot $inodes`; do
mkdir $i || { df -i $mntpoint; s=1; break 2; }
cd $i
done
cd $mntpoint
rm -rf 1
done
cd $here
umount $mntpoint
mdconfig -d -u $mdstart
exit $s
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