1ee920bc9SPeter Holm#!/bin/sh 2ee920bc9SPeter Holm 3ee920bc9SPeter Holm# 4*4d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause 5ee920bc9SPeter Holm# 6ee920bc9SPeter Holm# Copyright (c) 2022 Peter Holm <pho@FreeBSD.org> 7ee920bc9SPeter Holm# 8ee920bc9SPeter Holm# Redistribution and use in source and binary forms, with or without 9ee920bc9SPeter Holm# modification, are permitted provided that the following conditions 10ee920bc9SPeter Holm# are met: 11ee920bc9SPeter Holm# 1. Redistributions of source code must retain the above copyright 12ee920bc9SPeter Holm# notice, this list of conditions and the following disclaimer. 13ee920bc9SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 14ee920bc9SPeter Holm# notice, this list of conditions and the following disclaimer in the 15ee920bc9SPeter Holm# documentation and/or other materials provided with the distribution. 16ee920bc9SPeter Holm# 17ee920bc9SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18ee920bc9SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19ee920bc9SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20ee920bc9SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21ee920bc9SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22ee920bc9SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23ee920bc9SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24ee920bc9SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25ee920bc9SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26ee920bc9SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27ee920bc9SPeter Holm# SUCH DAMAGE. 28ee920bc9SPeter Holm# 29ee920bc9SPeter Holm 30ee920bc9SPeter Holm# A SEEK_HOLE / SEEK_DATA test scenario 31ee920bc9SPeter Holm 32ee920bc9SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 33ee920bc9SPeter Holm 34ee920bc9SPeter Holm. ../default.cfg 35ee920bc9SPeter Holm 36ee920bc9SPeter Holmprog=$(basename "$0" .sh) 37ee920bc9SPeter Holmexp=/tmp/$prog.exp 38ee920bc9SPeter Holmhere=`pwd` 39ee920bc9SPeter Holmlog=/tmp/$prog.log 40ee920bc9SPeter Holm 41ee920bc9SPeter Holmcc -o /tmp/lsholes -Wall -Wextra -O2 $here/../tools/lsholes.c | exit 1 42ee920bc9SPeter Holmcat > $exp <<EXP 43ee920bc9SPeter HolmMin hole size is 4096, file size is 524288000. 44ee920bc9SPeter Holmdata #1 @ 0, size=4096) 45ee920bc9SPeter Holmhole #2 @ 4096, size=4096 46ee920bc9SPeter Holmdata #3 @ 8192, size=4096) 47ee920bc9SPeter Holmhole #4 @ 12288, size=4096 48ee920bc9SPeter Holmdata #5 @ 16384, size=4096) 49ee920bc9SPeter Holmhole #6 @ 20480, size=524267520 50ee920bc9SPeter HolmEXP 51ee920bc9SPeter Holm 52ee920bc9SPeter Holmset -eu 53ee920bc9SPeter Holmmount -t tmpfs dummy $mntpoint 54ee920bc9SPeter Holmset +e 55ee920bc9SPeter Holm 56ee920bc9SPeter Holmfile=$mntpoint/file 57ee920bc9SPeter Holmtruncate -s 500m $file 58ee920bc9SPeter Holmbs=`getconf MIN_HOLE_SIZE $file` 59ee920bc9SPeter Holmprintf "\001" | dd of=$file seek=$((0*bs)) bs=1 count=1 conv=notrunc status=none 60ee920bc9SPeter Holmprintf "\002" | dd of=$file seek=$((2*bs)) bs=1 count=1 conv=notrunc status=none 61ee920bc9SPeter Holmprintf "\003" | dd of=$file seek=$((4*bs)) bs=1 count=1 conv=notrunc status=none 62ee920bc9SPeter Holms1=0 63ee920bc9SPeter Holms2=0 64ee920bc9SPeter Holm/tmp/lsholes $file > $log 2>&1; s1=$? 65ee920bc9SPeter Holm 66ee920bc9SPeter Holmcat $log 67ee920bc9SPeter Holmdiff -u $exp $log || s2=1 68ee920bc9SPeter Holm 69ee920bc9SPeter Holmumount $mntpoint 70ee920bc9SPeter Holmrm -f /tmp/lsholes $exp $log 71ee920bc9SPeter Holmexit $((s1 + s2)) 72