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1#!/bin/bash
2
3#
4# Copyright (c) International Business Machines  Corp., 2005
5# Author: Avantika Mathur (mathurav@us.ibm.com)
6#
7# This library is free software; you can redistribute it and/or
8# modify it under the terms of the GNU Lesser General Public
9# License as published by the Free Software Foundation; either
10# version 2.1 of the License, or (at your option) any later version.
11#
12# This library is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15# Lesser General Public License for more details.
16#
17# You should have received a copy of the GNU Lesser General Public
18# License along with this library; if not, write to the Free Software
19# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20#
21
22SETS_DEFAULTS="${TCID=test04} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28
29tst_resm TINFO "***************TEST04***************"
30tst_resm TINFO "rbind: shared child to unclonable parent."
31tst_resm TINFO "************************************"
32
33. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of rbind/test04 failed" && tst_exit)
34export result=0
35
36
37trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
38
39while /bin/true ; do
40	# This loop is for error recovery purposes only
41
42
43
44
45
46	"${FS_BIND_ROOT}/bin/makedir" share parent1
47	"${FS_BIND_ROOT}/bin/makedir" unclone parent2
48	"${FS_BIND_ROOT}/bin/makedir" share share1
49	"${FS_BIND_ROOT}/bin/makedir" share parent1/child1
50
51	mount --rbind "$disk1" parent1/child1
52
53	mkdir parent2/child2
54
55	mount --rbind parent1/child1 share1
56	mount --rbind parent1/child1 parent2/child2
57
58	check parent1/child1 share1 parent2/child2
59
60	mount --rbind "$disk2" parent1/child1/a
61
62	check parent1/child1/a parent2/child2/a share1/a
63
64	mount --rbind "$disk3" parent2/child2/b
65
66	check parent1/child1/b parent2/child2/b share1/b
67
68	mount --rbind "$disk4" share1/c
69
70	break
71done
72trap 'ERR=$? ; tst_resm TWARN "rbind/test04: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
73if [ -n "${ERR_MSG}" ]; then
74	tst_resm TWARN "rbind/test04: ${ERR_MSG}"
75	ERR_MSG=""
76	result=$ERR
77fi
78trap '' ERR
79{
80	umount parent1/child1/a
81	umount parent1/child1/b
82	umount parent1/child1/c
83	umount parent2/child2
84	umount parent1/child1
85	umount parent1/child1
86	umount parent1/child1
87	umount share1
88	umount parent2
89	umount parent1
90
91
92	rm -rf parent* share*
93	cleanup
94} >& /dev/null
95if [ $result -ne 0 ]
96then
97        tst_resm TFAIL "rbind/test04: FAILED: rbind: shared child to unclonable parent."
98        exit 1
99else
100        tst_resm TPASS "rbind/test04: PASSED"
101        exit 0
102fi
103
104tst_exit
105