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(4) 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 44tunefs -n disable md$mdstart 2>/dev/null 45 46mount /dev/md$mdstart $mntpoint 47chmod 777 $mntpoint 48set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'` 49export KBLOCKS=$(($1 / N)) 50export INODES=$(($2 / N)) 51 52export runRUNTIME=2m 53export LOAD=80 54export symlinkLOAD=80 55export rwLOAD=80 56export TESTPROGS=" 57testcases/rw/rw 58testcases/creat/creat 59testcases/mkdir/mkdir 60" 61 62for i in `jot $N 1`; do 63 eval mp$i=${mntpoint}$i 64done 65 66for i in `jot $N 1`; do 67 eval mp=\$mp$i 68 [ -d $mp ] || mkdir -p $mp 69 mount | grep $mp | grep -q nullfs && umount -f $mp 70 msrc=$mntpoint/d$i 71 mkdir -p $msrc 72 chmod 777 $msrc 73 mount -t nullfs $msrc $mp 74 chmod 777 $mp 75 export RUNDIR=$mp/stressX 76 export CTRLDIR=$mp/stressX.control 77 mkdir $RUNDIR $CTRLDIR 78 chmod 777 $RUNDIR $CTRLDIR 79 su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > \ 80 /dev/null 2>&1 & 81 mps="$mps $mp" 82done 83 84(cd ../testcases/swap; ./swap -t 10m -i 20 > /dev/null 2>&1) & 85sleep 1 86while pgrep -q run; do 87 find $mps -ls > /dev/null 2>&1 88done 89while pgrep -q swap; do 90 pkill -9 swap 91done 92wait 93 94(cd $mntpoint; find . -delete) 95sync; sleep 1; sync; sleep 1; sync 96inodes=`df -i $mntpoint | tail -1 | awk '{print $6}'` 97if [ $inodes -ne 4 ]; then 98 echo "FAIL 1" 99 e=1 100 mount | sed -n "1p;/${mntpoint#/}/p" 101 echo 102 df -ik | sed -n "1p;/${mntpoint#/}/p" 103 printf "\nfind ${mntpoint}* -ls\n" 104 find ${mntpoint}* -ls 105 106 for i in `jot $N 1`; do 107 eval mp=\$mp$i 108 echo "umount $mp" 109 mount | grep $mp | grep -q nullfs && umount $mp 110 done 111 112 echo 113 df -ik | sed -n "1p;/${mntpoint#/}/p" 114else 115 for i in `jot $N 1`; do 116 eval mp=\$mp$i 117 mount | grep $mp | grep -q nullfs && umount $mp 118 done 119 inodes=`df -i $mntpoint | tail -1 | awk '{print $6}'` 120 if [ $inodes -ne 1 ]; then 121 echo "FAIL 2" 122 e=2 123 mount | sed -n "1p;/${mntpoint#/}/p" 124 echo 125 df -ik | sed -n "1p;/${mntpoint#/}/p" 126 fi 127fi 128 129while mount | grep $mntpoint | grep -q /dev/md; do 130 umount $mntpoint || sleep 1 131done 132mdconfig -d -u $mdstart 133exit $e 134