1#! /usr/bin/ksh -p
2#
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4#
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6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
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10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
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16# If applicable, add the following below this CDDL HEADER, with the
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20# CDDL HEADER END
21#
22
23#
24# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
30# Copyright 2016 Nexenta Systems, Inc.
31#
32
33. $STF_SUITE/include/libtest.shlib
34
35#
36# DESCRIPTION:
37# Verify that ZFS volume snapshot could be fscked
38#
39# STRATEGY:
40# 1. Create a ZFS volume
41# 2. Copy some files and create snapshot
42# 3. Verify fsck on the snapshot is OK
43#
44
45verify_runnable "global"
46
47volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL)
48
49function cleanup
50{
51	snapexists $TESTPOOL/$TESTVOL@snap && \
52		zfs destroy $TESTPOOL/$TESTVOL@snap
53
54	ismounted $TESTDIR ufs
55	(( $? == 0 )) && log_must umount $TESTDIR
56
57	[[ -e $TESTDIR ]] && rm -rf $TESTDIR
58	zfs set volsize=$volsize $TESTPOOL/$TESTVOL
59}
60
61log_assert "Verify that ZFS volume snapshot could be fscked"
62log_onexit cleanup
63
64TESTVOL='testvol'
65BLOCKSZ=$(( 1024 * 1024 ))
66NUM_WRITES=40
67
68log_must zfs set volsize=128m $TESTPOOL/$TESTVOL
69
70echo "y" | newfs -v /dev/zvol/rdsk/$TESTPOOL/$TESTVOL >/dev/null 2>&1
71(( $? != 0 )) && log_fail "Unable to newfs(8) $TESTPOOL/$TESTVOL"
72
73log_must mkdir $TESTDIR
74log_must mount /dev/zvol/dsk/$TESTPOOL/$TESTVOL $TESTDIR
75
76typeset -i fn=0
77typeset -i retval=0
78
79while (( 1 )); do
80	file_write -o create -f $TESTDIR/testfile$$.$fn \
81	    -b $BLOCKSZ -c $NUM_WRITES
82	retval=$?
83	if (( $retval != 0 )); then
84		break
85	fi
86	(( fn = fn + 1 ))
87done
88
89sync_all_pools
90log_must lockfs -f $TESTDIR
91log_must zfs snapshot $TESTPOOL/$TESTVOL@snap
92
93fsck -n /dev/zvol/rdsk/$TESTPOOL/$TESTVOL@snap >/dev/null 2>&1
94retval=$?
95(( $retval == 39 )) || log_fail "fsck exited with wrong value $retval "
96
97log_pass "Verify that ZFS volume snapshot could be fscked"
98