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