87 lines
2.7 KiB
Bash
Executable File
87 lines
2.7 KiB
Bash
Executable File
# $NetBSD: t_fss.sh,v 1.4 2021/01/14 04:30:40 simonb Exp $
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#
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# Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# Verify basic operation of fss(4) file system snapshot device
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#
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vnddev=vnd0
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rawpart=$( sysctl -n kern.rawpartition | tr '01234' 'abcde' )
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vnd=/dev/${vnddev}${rawpart}
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orig_data="Original data"
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repl_data="Replacement data"
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atf_test_case basic cleanup
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basic_body() {
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# verify fss is available (or loadable as a module)
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fssconfig -l /dev/fss0 > /dev/null || atf_skip "FSS not available"
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# create of mount-points for the file system and snapshot
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mkdir ./m1
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mkdir ./m2
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# create a small 4MB file, treat it as a disk, init a file-system on it,
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# and mount it
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dd if=/dev/zero of=./image bs=32k count=64
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vndconfig -c ${vnddev} ./image
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newfs -I ${vnd}
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mount ${vnd} ./m1
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echo "${orig_data}" > ./m1/text
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# configure and mount a snapshot of the file system
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fssconfig -c fss0 ./m1 ./backup
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mount -o rdonly /dev/fss0 ./m2
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# Modify the data on the underlying file system
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echo "${repl_data}" > ./m1/text || abort
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# Verify that original data is still visible in the snapshot
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read test_data < ./m2/text
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atf_check_equal "${orig_data}" "${test_data}"
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}
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basic_cleanup() {
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# Unmount our temporary stuff
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umount /dev/fss0 || true
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fssconfig -u fss0 || true
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umount ${vnd} || true
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vndconfig -u ${vnddev} || true
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}
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atf_init_test_cases()
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{
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atf_add_test_case basic
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}
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