xref: /freebsd/tools/test/stress2/misc/tmpfs24.sh (revision 65d5e55e24134c50704c31e87120e8878bbe3e3c)
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