stress2: Added a new "mdconfig -o force" test scenario

tools/test/stress2/misc/force7.sh

@@ -0,0 +1,75 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2020 Peter Holm
+#
+# 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.
+#
+
+# "mdconfig -o force" test scenario.
+# fsck_ffs core dump seen
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+. ../default.cfg
+
+log=/tmp/force7.sh.log
+mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
+mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+truncate -s 1g $diskimage
+mdconfig -a -t vnode -f $diskimage -s 1g -u $mdstart
+flags=$newfs_flags
+echo "newfs $flags md$mdstart"
+newfs $flags md$mdstart > /dev/null 2>&1
+
+export TESTPROGS=`cd ..; find testcases/ -perm -1 -type f | \
+    egrep -Ev "/run/|/badcode/|/pty/|/shm/|/socket/|sysctl|tcp|thr|udp"`
+export runRUNTIME=3m
+export RUNDIR=$mntpoint/stressX
+start=`date +%s`
+while [ $((`date +%s` - start)) -lt 300 ]; do
+	mount /dev/md$mdstart $mntpoint
+	rm -fr $mntpoint/lost+found
+	chmod 777 $mntpoint
+
+	su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > \
+	    /dev/null 2>&1 &
+
+	sleep `jot -r 1 5 9`
+	while mdconfig -l | grep -q md$mdstart; do
+		mdconfig -d -u $mdstart -o force || sleep 1
+	done
+	sleep 1
+	../tools/killall.sh
+	wait
+	n=0
+	while mount | grep $mntpoint | grep -q /dev/md; do
+		umount $mntpoint || sleep 1
+		[ $((n += 1)) -gt 300 ] && { echo FAIL; exit 1; }
+	done
+	mdconfig -a -t vnode -f $diskimage -s 1g -u $mdstart
+	fsck_ffs -fyR /dev/md$mdstart > $log 2>&1; s=$?
+	[ $s -ne 0 ] && break
+done
+[ $s -eq 0 ] && rm -f $diskimage $log || cat $log
+exit $s