1# $NetBSD: t_fss.sh,v 1.3 2017/03/15 10:53:15 martin Exp $ 2# 3# Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc. 4# All rights reserved. 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 14# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 15# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 16# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 18# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24# POSSIBILITY OF SUCH DAMAGE. 25# 26 27# 28# Verify basic operation of fss(4) file system snapshot device 29# 30 31vnddev=vnd0 32rawpart=$( sysctl -n kern.rawpartition | tr '01234' 'abcde' ) 33vnd=/dev/${vnddev}${rawpart} 34 35orig_data="Original data" 36repl_data="Replacement data" 37 38atf_test_case basic cleanup 39basic_body() { 40 41# verify fss is available (or loadable as a module) 42 43 fssconfig -l /dev/fss0 > /dev/null || atf_skip "FSS not available" 44 45# create of mount-points for the file system and snapshot 46 47 mkdir ./m1 48 mkdir ./m2 49 50# create a small 4MB file, treat it as a disk, init a file-system on it, 51# and mount it 52 53 dd if=/dev/zero of=./image bs=32k count=64 54 vndconfig -c ${vnddev} ./image 55 newfs -I ${vnd} 56 mount ${vnd} ./m1 57 58 echo "${orig_data}" > ./m1/text 59 60# configure and mount a snapshot of the file system 61 62 fssconfig -c fss0 ./m1 ./backup 63 mount -o rdonly /dev/fss0 ./m2 64 65# Modify the data on the underlying file system 66 67 echo "${repl_data}" > ./m1/text || abort 68 69# Verify that original data is still visible in the snapshot 70 71 read test_data < ./m2/text 72 atf_check_equal "${orig_data}" "${test_data}" 73} 74 75basic_cleanup() { 76# Unmount our temporary stuff 77 umount ${vnd} || true 78 fssconfig -u fss0 || true 79 umount /dev/fss0 || true 80 vndconfig -u ${vnddev} || true 81} 82 83atf_init_test_cases() 84{ 85 atf_add_test_case basic 86} 87