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File: [cvs.NetBSD.org] / src / tests / dev / fss / t_fss.sh (download)

Revision 1.3, Wed Mar 15 10:53:15 2017 UTC (3 years, 4 months ago) by martin
Branch: MAIN
CVS Tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, matt-nb8-mediatek-base, matt-nb8-mediatek, is-mlppp-base, is-mlppp, bouyer-socketcan-base1, HEAD
Changes since 1.2: +15 -13 lines

Do not assume an all-zeroes disk label will read back as a disk with
an 'a'  partition covering the whole disk, instead use the raw partition.
Also skip this test if the fss device is not available.
With lots of help from pgoyette.

# $NetBSD: t_fss.sh,v 1.3 2017/03/15 10:53:15 martin Exp $
#
# Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

#
# 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"
repl_data="Replacement data"

atf_test_case basic cleanup
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

	mkdir ./m1
	mkdir ./m2

# create a small 4MB file, treat it as a disk, init a file-system on it,
# and mount it

	dd if=/dev/zero of=./image bs=32k count=64
	vndconfig -c ${vnddev} ./image
	newfs -I ${vnd}
	mount ${vnd} ./m1

	echo "${orig_data}" > ./m1/text

# configure and mount a snapshot of the file system

	fssconfig -c fss0 ./m1 ./backup
	mount -o rdonly /dev/fss0 ./m2

# Modify the data on the underlying file system

	echo "${repl_data}" > ./m1/text || abort

# Verify that original data is still visible in the snapshot

	read test_data < ./m2/text
	atf_check_equal "${orig_data}" "${test_data}"
}

basic_cleanup() {
# Unmount our temporary stuff
	umount ${vnd}		|| true
	fssconfig -u fss0	|| true
	umount /dev/fss0	|| true
	vndconfig -u ${vnddev}	|| true
}

atf_init_test_cases()
{
        atf_add_test_case basic
}