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dev/fss/t_fss.sh
# $NetBSD: t_fss.sh,v 1.2 2016/07/29 20:27:37 pgoyette Exp $ | # $NetBSD: t_fss.sh,v 1.4 2021/01/14 04:30:40 simonb Exp $ | ||||
# | # | ||||
# Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc. | # Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc. | ||||
# All rights reserved. | # All rights reserved. | ||||
# Redistribution and use in source and binary forms, with or without | # Redistribution and use in source and binary forms, with or without | ||||
# modification, are permitted provided that the following conditions | # modification, are permitted provided that the following conditions | ||||
# are met: | # are met: | ||||
# 1. Redistributions of source code must retain the above copyright | # 1. Redistributions of source code must retain the above copyright | ||||
# notice, this list of conditions and the following disclaimer. | # notice, this list of conditions and the following disclaimer. | ||||
Show All 13 Lines | |||||
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||||
# POSSIBILITY OF SUCH DAMAGE. | # POSSIBILITY OF SUCH DAMAGE. | ||||
# | # | ||||
# | # | ||||
# Verify basic operation of fss(4) file system snapshot device | # Verify basic operation of fss(4) file system snapshot device | ||||
# | # | ||||
vnddev=vnd0 | |||||
rawpart=$( sysctl -n kern.rawpartition | tr '01234' 'abcde' ) | |||||
vnd=/dev/${vnddev}${rawpart} | |||||
orig_data="Original data" | orig_data="Original data" | ||||
repl_data="Replacement data" | repl_data="Replacement data" | ||||
atf_test_case basic cleanup | atf_test_case basic cleanup | ||||
basic_body() { | basic_body() { | ||||
# verify fss is available (or loadable as a module) | |||||
fssconfig -l /dev/fss0 > /dev/null || atf_skip "FSS not available" | |||||
# create of mount-points for the file system and snapshot | # create of mount-points for the file system and snapshot | ||||
mkdir ./m1 | mkdir ./m1 | ||||
mkdir ./m2 | mkdir ./m2 | ||||
# create a small 4MB file, treat it as a disk, init a file-system on it, | # create a small 4MB file, treat it as a disk, init a file-system on it, | ||||
# and mount it | # and mount it | ||||
dd if=/dev/zero of=./image bs=32k count=64 | dd if=/dev/zero of=./image bs=32k count=64 | ||||
vndconfig -c vnd0 ./image | vndconfig -c ${vnddev} ./image | ||||
newfs /dev/vnd0a | newfs -I ${vnd} | ||||
mount /dev/vnd0a ./m1 | mount ${vnd} ./m1 | ||||
echo "${orig_data}" > ./m1/text | echo "${orig_data}" > ./m1/text | ||||
# configure and mount a snapshot of the file system | # configure and mount a snapshot of the file system | ||||
fssconfig -c fss0 ./m1 ./backup | fssconfig -c fss0 ./m1 ./backup | ||||
mount -o rdonly /dev/fss0 ./m2 | mount -o rdonly /dev/fss0 ./m2 | ||||
# Modify the data on the underlying file system | # Modify the data on the underlying file system | ||||
echo "${repl_data}" > ./m1/text || abort | echo "${repl_data}" > ./m1/text || abort | ||||
# Verify that original data is still visible in the snapshot | # Verify that original data is still visible in the snapshot | ||||
read test_data < ./m2/text | read test_data < ./m2/text | ||||
atf_check_equal "${orig_data}" "${test_data}" | atf_check_equal "${orig_data}" "${test_data}" | ||||
# Unmount our temporary stuff | |||||
umount /dev/fss0 || true | |||||
fssconfig -u fss0 || true | |||||
umount /dev/vnd0a || true | |||||
vndconfig -u vnd0 || true | |||||
} | } | ||||
basic_cleanup() { | basic_cleanup() { | ||||
umount /dev/vnd0a || true | # Unmount our temporary stuff | ||||
fssconfig -u fss0 || true | |||||
umount /dev/fss0 || true | umount /dev/fss0 || true | ||||
vndconfig -u vnd0 || true | fssconfig -u fss0 || true | ||||
umount ${vnd} || true | |||||
vndconfig -u ${vnddev} || true | |||||
} | } | ||||
atf_init_test_cases() | atf_init_test_cases() | ||||
{ | { | ||||
atf_add_test_case basic | atf_add_test_case basic | ||||
} | } |