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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=test29} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST29***************"
29tst_resm TINFO "rbind: shared subtree with uncloneable child to shared subtree."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of rbind/test29 failed" && tst_exit)
33export result=0
34
35
36
37trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
38
39while /bin/true ; do
40	# This loop is for error recovery purposes only
41
42
43
44	"${FS_BIND_ROOT}/bin/makedir" share parent1
45	"${FS_BIND_ROOT}/bin/makedir" share parent2
46	"${FS_BIND_ROOT}/bin/makedir" share share1
47	"${FS_BIND_ROOT}/bin/makedir" share share2
48
49	mount --rbind share1 parent1
50	mount --rbind share2 parent2
51
52	"${FS_BIND_ROOT}/bin/makedir" unclone parent1/child1
53	mount --rbind "$disk1" parent1/child1
54	mount --rbind parent1 parent2
55
56	check -n parent1/child1 share1/child1
57	check -n parent1/child1 parent2/child1
58	check parent2/child1 share2/child1
59
60	break
61done
62trap 'ERR=$? ; tst_resm TWARN "rbind/test29: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
63if [ -n "${ERR_MSG}" ]; then
64	tst_resm TWARN "rbind/test29: ${ERR_MSG}"
65	ERR_MSG=""
66	result=$ERR
67fi
68trap '' ERR
69{
70	umount parent1/child1
71	umount parent1/child1
72	umount share2
73	umount share2
74	umount parent2
75	umount parent1
76	umount share1
77	umount parent1
78	umount share2
79
80	rm -rf parent* share*
81	cleanup
82} >& /dev/null
83if [ $result -ne 0 ]
84then
85	tst_resm TFAIL "rbind/test29: FAILED: rbind: shared subtree with uncloneable child to shared subtree."
86	exit 1
87else
88	tst_resm TPASS "rbind/test29: PASSED"
89	exit 0
90fi
91tst_exit
92