xref: /freebsd/tools/test/stress2/misc/snap13.sh (revision 66fd12cf4896eb08ad8e7a2627537f84ead84dd3)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause
5#
6# Copyright (c) 2023 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# Test mounting of snapshots for different UFS types
31
32# Seen: mount of a -O1 snapshot failed
33# Fixed by:
34# f1549d7d5229 Write out corrected superblock when creating a UFS/FFS snapshot.
35
36[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
37
38. ../default.cfg
39
40set -u
41s=0
42m2=$((mdstart + 1))
43mp2=$mntpoint$m2
44[ -d $mp2 ] || mkdir -p $mp2
45mount | grep -q "on $mntpoint " && umount -f $mntpoint
46[ -c /dev/md$mdstart ] &&  mdconfig -d -u $mdstart
47[ -c /dev/md$m2 ] && mdconfig -d -u $m2
48mdconfig -a -t swap -s 2g -u $mdstart || exit 1
49for newfs_flags in "-O2" "-U" "-j" "-O1"; do
50	echo "newfs $newfs_flags md$mdstart"
51	newfs $newfs_flags md$mdstart > /dev/null
52	mount /dev/md$mdstart $mntpoint
53	touch $mntpoint/file
54
55	rm -f $mntpoint/.snap/stress2
56	mksnap_ffs $mntpoint $mntpoint/.snap/stress2 || { s=1; break; }
57	mdconfig -a -t vnode -f $mntpoint/.snap/stress2 -u $m2 -o readonly ||
58		{ s=2; break; }
59	mount -t ufs -o ro /dev/md$m2 $mp2 || {
60	    echo "mount of a $newfs_flags snapshot failed"
61	    dumpfs -s /dev/md$m2; s=3; break; }
62	[ -f $mp2/file ] || { s=4; ls -l $mp2; }
63	umount $mp2
64	mdconfig -d -u $m2
65	umount $mntpoint
66done
67mount | grep -q "on $mntpoint " && umount $mntpoint
68
69mdconfig -d -u $mdstart
70exit $s
71