1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 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 SEEK_HOLE / SEEK_DATA test scenario 31 32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 33 34. ../default.cfg 35 36prog=$(basename "$0" .sh) 37exp=/tmp/$prog.exp 38here=`pwd` 39log=/tmp/$prog.log 40 41cc -o /tmp/lsholes -Wall -Wextra -O2 $here/../tools/lsholes.c | exit 1 42cat > $exp <<EXP 43Min hole size is 4096, file size is 524288000. 44data #1 @ 0, size=4096) 45hole #2 @ 4096, size=4096 46data #3 @ 8192, size=4096) 47hole #4 @ 12288, size=4096 48data #5 @ 16384, size=4096) 49hole #6 @ 20480, size=524267520 50EXP 51 52set -eu 53mount -t tmpfs dummy $mntpoint 54set +e 55 56file=$mntpoint/file 57truncate -s 500m $file 58bs=`getconf MIN_HOLE_SIZE $file` 59printf "\001" | dd of=$file seek=$((0*bs)) bs=1 count=1 conv=notrunc status=none 60printf "\002" | dd of=$file seek=$((2*bs)) bs=1 count=1 conv=notrunc status=none 61printf "\003" | dd of=$file seek=$((4*bs)) bs=1 count=1 conv=notrunc status=none 62s1=0 63s2=0 64/tmp/lsholes $file > $log 2>&1; s1=$? 65 66cat $log 67diff -u $exp $log || s2=1 68 69umount $mntpoint 70rm -f /tmp/lsholes $exp $log 71exit $((s1 + s2)) 72