xref: /freebsd/tools/test/stress2/misc/nullfs7.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
48a272653SPeter Holm# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org>
58a272653SPeter Holm# All rights reserved.
68a272653SPeter Holm#
78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
88a272653SPeter Holm# modification, are permitted provided that the following conditions
98a272653SPeter Holm# are met:
108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
118a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
138a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
148a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
158a272653SPeter Holm#
168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
198a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
268a272653SPeter Holm# SUCH DAMAGE.
278a272653SPeter Holm#
288a272653SPeter Holm
298a272653SPeter Holm# "panic: Lock ufs not locked @ ../../../kern/vfs_default.c:508" seen.
308a272653SPeter Holm# Based on scenario by Subbsd <subbsd gmail com>
318a272653SPeter Holm# Fixed in r226681
328a272653SPeter Holm
338a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
348a272653SPeter Holm
358a272653SPeter Holm. ../default.cfg
368a272653SPeter Holm
378a272653SPeter Holm# NULLFS(5) and SUJ has known issues.
388a272653SPeter Holmmount | grep "on `df $RUNDIR | sed  '1d;s/.* //'` " | \
398a272653SPeter Holm    grep -q  "journaled soft-updates" &&
408a272653SPeter Holm    { echo "Skipping test due to SUJ."; exit 0; }
418a272653SPeter Holm
428a272653SPeter Holmmount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
438a272653SPeter Holmmdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
448a272653SPeter Holm
458a272653SPeter Holmmdconfig -a -t swap -s 1g -u $mdstart || exit 1
46*608c97bfSPeter Holmnewfs $newfs_flags md$mdstart > /dev/null
47*608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint
488a272653SPeter Holm
498a272653SPeter Holm[ -d $RUNDIR ] || mkdir -p $RUNDIR
508a272653SPeter Holmfor i in `jot 50`; do
518a272653SPeter Holm	DST="$mntpoint/$i"
528a272653SPeter Holm	[ -d "$DST" ] || mkdir $DST
538a272653SPeter Holm	mount -oro -t nullfs $RUNDIR $DST
548a272653SPeter Holm	mount -orw -t nullfs /bin $DST
558a272653SPeter Holmdone
568a272653SPeter Holmmount | grep nullfs | awk '{print $3}' | xargs umount
578a272653SPeter Holm
588a272653SPeter Holmwhile mount | grep $mntpoint | grep -q /dev/md; do
598a272653SPeter Holm	umount $mntpoint || sleep 1
608a272653SPeter Holm	[ $((n += 1)) -gt 100 ] && exit 1
618a272653SPeter Holmdone
628a272653SPeter Holmmdconfig -d -u $mdstart
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