xref: /freebsd/tools/test/stress2/misc/backingstore.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
48a272653SPeter Holm# Copyright (c) 2008 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# Test sparse backing store
308a272653SPeter Holm
318a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
328a272653SPeter Holm
338a272653SPeter Holm. ../default.cfg
348a272653SPeter Holm
358a272653SPeter HolmD=$diskimage
368a272653SPeter Holmexport here=`pwd`
378a272653SPeter Holm
388a272653SPeter Holmm=$mdstart
398a272653SPeter Holm
40*608c97bfSPeter Holmmount | grep "$mntpoint" | grep -q md$m && umount $mntpoint$m
418a272653SPeter Holmmdconfig -l | grep -q md$m &&  mdconfig -d -u $m
428a272653SPeter Holm
438a272653SPeter Holmdd if=/dev/zero of=$D$m bs=100m count=1 status=none || exit 1
448a272653SPeter Holm
458a272653SPeter Holmmdconfig -a -t vnode -f $D$m -u $m
468a272653SPeter Holm
47*608c97bfSPeter Holmnewfs md${m} > /dev/null 2>&1
48*608c97bfSPeter Holm[ -d $mntpoint$m ] || mkdir -p $mntpoint$m
49*608c97bfSPeter Holmmount $opt /dev/md$m $mntpoint$m
508a272653SPeter Holm
518a272653SPeter Holmn=$m
528a272653SPeter Holmm=$((m + 1))
538a272653SPeter Holm
54*608c97bfSPeter Holmmount | grep "$mntpoint$m" | grep -q md$m && umount $mntpoint$m
558a272653SPeter Holmmdconfig -l | grep -q md$m &&  mdconfig -d -u $m
568a272653SPeter Holm
57*608c97bfSPeter Holmtruncate -s 500M $mntpoint$n/diskimage
58*608c97bfSPeter Holmmdconfig -a -t vnode -f $mntpoint$n/diskimage -u $m
598a272653SPeter Holm
60*608c97bfSPeter Holmnewfs md${m} > /dev/null 2>&1
61*608c97bfSPeter Holm[ -d $mntpoint$m ] || mkdir -p $mntpoint$m
62*608c97bfSPeter Holmmount $opt /dev/md$m $mntpoint$m
638a272653SPeter Holm
64*608c97bfSPeter Holmexport RUNDIR=$mntpoint$m/stressX
658a272653SPeter Holm../testcases/rw/rw -t 5m -i 200 -h -n
668a272653SPeter Holm
67*608c97bfSPeter Holmwhile mount | grep -q $mntpoint$m; do
688a272653SPeter Holm	flag=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f" || echo "")
69*608c97bfSPeter Holm	umount $flag $mntpoint$m > /dev/null 2>&1
708a272653SPeter Holmdone
718a272653SPeter Holmmdconfig -l | grep -q md$m &&  mdconfig -d -u $m
728a272653SPeter Holm
738a272653SPeter Holmm=$((m - 1))
74*608c97bfSPeter Holmwhile mount | grep -q $mntpoint$m; do
758a272653SPeter Holm	umount $([ $((`date '+%s'` % 2)) -eq 0 ] && \
76*608c97bfSPeter Holm		echo "-f" || echo "") $mntpoint$m > /dev/null 2>&1
778a272653SPeter Holmdone
788a272653SPeter Holmmdconfig -l | grep -q md$m &&  mdconfig -d -u $m
798a272653SPeter Holmrm -f $D
80