HardenedBSD/tools/test/stress2/misc/nullfs20.sh

#!/bin/sh

#
# Copyright (c) 2016 EMC Corp.
# All rights reserved.
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# 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
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# 2. Redistributions in binary form must reproduce the above copyright
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1

# VOP_LOOKUP: 0xfffff8014d6fe000 is not locked but should be
# https://people.freebsd.org/~pho/stress/log/nullfs20.txt

. ../default.cfg

mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart

mdconfig -a -t swap -s 1g -u $mdstart || exit 1

newfs -n -b 4096 -f 512 -i 1024 md$mdstart > /dev/null

mount /dev/md$mdstart $mntpoint
chmod 777 $mntpoint

mp2=$mntpoint$((mdstart + 1))
[ -d $mp2 ] || mkdir -p $mp2
mount | grep -wq $mp2 && umount $mp2
mount -t nullfs $mntpoint $mp2

export runRUNTIME=10m
export RUNDIR=$mp2/stressX

export LOAD=100
export ftsLOAD=100
export TESTPROGS="
testcases/fts/fts
testcases/swap/swap
testcases/link/link
"

su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS'

while mount | grep $mp2 | grep -q nullfs; do
	umount $mp2 || sleep 1
done
n=0
while mount | grep $mntpoint | grep -q /dev/md; do
	umount $mntpoint || sleep 1
	n=$((n + 1))
	[ $n -gt 30 ] && { echo FAIL; exit 1; }
done
mdconfig -d -u $mdstart