1#!/bin/sh 2 3# 4# Copyright (c) 2016 EMC Corp. 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 30 31# Demonstate nullfs(5) inode leak. 32# Fixed by r295717. 33 34. ../default.cfg 35 36N=3 37 38mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 39mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 40 41mdconfig -a -t swap -s 2g -u $mdstart || exit 1 42 43newfs -n md$mdstart > /dev/null 44 45mount /dev/md$mdstart $mntpoint 46chmod 777 $mntpoint 47set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'` 48export KBLOCKS=$(($1 / N)) 49export INODES=$(($2 / N)) 50 51export runRUNTIME=2m 52export LOAD=80 53export symlinkLOAD=80 54export rwLOAD=80 55export TESTPROGS=" 56testcases/rw/rw 57testcases/creat/creat 58testcases/mkdir/mkdir 59" 60 61for i in `jot $N 1`; do 62 eval mp$i=${mntpoint}$i 63done 64 65for i in `jot $N 1`; do 66 eval mp=\$mp$i 67 [ -d $mp ] || mkdir -p $mp 68 mount | grep $mp | grep -q nullfs && umount -f $mp 69 msrc=$mntpoint/d$i 70 mkdir -p $msrc 71 chmod 777 $msrc 72 mount -t nullfs $msrc $mp 73 chmod 777 $mp 74 export RUNDIR=$mp/stressX 75 export CTRLDIR=$mp/stressX.control 76 mkdir $RUNDIR $CTRLDIR 77 chmod 777 $RUNDIR $CTRLDIR 78 su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > \ 79 /dev/null 2>&1 & 80 mps="$mps $mp" 81done 82 83(cd ../testcases/swap; ./swap -t 10m -i 20 > /dev/null 2>&1) & 84sleep 1 85while pgrep -q run; do 86 find $mps -ls > /dev/null 2>&1 87done 88while pgrep -q swap; do 89 pkill -9 swap 90done 91wait 92 93(cd $mntpoint; find . -delete) 94sync; sleep 1; sync; sleep 1; sync 95inodes=`df -i $mntpoint | tail -1 | awk '{print $6}'` 96if [ $inodes -ne 4 ]; then 97 echo "FAIL 1" 98 e=1 99 mount | sed -n "1p;/${mntpoint#/}/p" 100 echo 101 df -ik | sed -n "1p;/${mntpoint#/}/p" 102 printf "\nfind ${mntpoint}* -ls\n" 103 find ${mntpoint}* -ls 104 105 for i in `jot $N 1`; do 106 eval mp=\$mp$i 107 echo "umount $mp" 108 mount | grep $mp | grep -q nullfs && umount $mp 109 done 110 111 echo 112 df -ik | sed -n "1p;/${mntpoint#/}/p" 113else 114 for i in `jot $N 1`; do 115 eval mp=\$mp$i 116 mount | grep $mp | grep -q nullfs && umount $mp 117 done 118 inodes=`df -i $mntpoint | tail -1 | awk '{print $6}'` 119 if [ $inodes -ne 1 ]; then 120 echo "FAIL 2" 121 e=2 122 mount | sed -n "1p;/${mntpoint#/}/p" 123 echo 124 df -ik | sed -n "1p;/${mntpoint#/}/p" 125 fi 126fi 127 128while mount | grep $mntpoint | grep -q /dev/md; do 129 umount $mntpoint || sleep 1 130done 131mdconfig -d -u $mdstart 132exit $e 133