xref: /freebsd/tools/test/stress2/misc/tmpfs25.sh (revision 7ef62cebc2f965b0f640263e179276928885e33d)
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# Regression test for:
31# Bug 223015 - [tmpfs] [patch] tmpfs does not support sparse files
32
33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
34. ../default.cfg
35
36set -eu
37prog=$(basename "$0" .sh)
38cont=/tmp/$prog.cont
39sync=/tmp/$prog.sync
40mount | grep -q "on $mntpoint " && umount $mntpoint
41mount -t tmpfs -o size=100m dummy $mntpoint
42iused=`df $mntpoint | tail -1 | awk '{print $3}'`
43
44list="1m 10m 40m 45m 49m 50m 60m 100m 1g 4g"
45r=0
46for s in $list; do
47	truncate -s $s $mntpoint/sparse || {
48		echo "truncate -s $s failed"
49		r=1; break 2
50	}
51	rm $mntpoint/sparse || break
52	used=`df $mntpoint | tail -1 | awk '{print $3}'`
53	[ $used -ne $iused ] && {
54		echo "truncate -s $s test: $iused / $used"; r=1; break; }
55done
56
57touch $cont
58for i in `jot 1000`; do
59	[ $r -ne 0 ] && break
60	file=$mntpoint/sparse.$i
61	for s in $list; do
62		[ ! -f $cont ] && break
63		for n in `jot 300`; do [ -f $sync ] && break; sleep .2; done
64		truncate -s $s $file || {
65			echo "truncate -s $s failed"
66			rm -f $cont
67			break
68		}
69		[ -f $file ] || { echo "No file $file"; break; }
70		rm $file || break
71	done &
72done
73touch $sync
74wait
75
76used=`df $mntpoint | tail -1 | awk '{print $3}'`
77if [ $used -ne $iused ]; then
78	[ `ls -al $mntpoint | wc -l` -gt 3 ] &&
79	    ls -al $mntpoint | head -10
80	df -i $mntpoint
81	fstat -f $mntpoint
82fi
83umount $mntpoint
84rm -f $cont $sync
85
86exit $r
87