xref: /freebsd/tools/test/stress2/misc/newfs6.sh (revision dbd5678d)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5#
6# Copyright (c) 2022 Peter Holm <pho@FreeBSD.org>
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27# SUCH DAMAGE.
28#
29
30# A fast version of newfs.sh
31
32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
33
34. ../default.cfg
35
36mount | grep "on $mntpoint " | grep -q md$mdstart &&
37    umount $mntpoint
38mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
39mdconfig -a -t swap -s 1g -u $mdstart || exit 1
40
41s=0
42for opt in -O1 -O2 -U -j; do
43	bs=4096
44	while [ $bs -le 65536 ]; do
45		for i in 8 4 2 1; do
46			fragsize=$((bs / i))
47			echo "newfs $opt -b $bs -f $fragsize md$mdstart "
48			newfs $opt -b $bs -f $fragsize \
49			    md$mdstart > /dev/null || { s=1; continue; }
50			mount /dev/md$mdstart $mntpoint || s=2 &&
51			    umount $mntpoint
52		done
53		bs=$((bs * 2))
54	done
55done
56mdconfig -d -u $mdstart
57exit $s
58