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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=test31} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST31***************"
29tst_resm TINFO "rbind: shared subtree with uncloneable child to slave subtree."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of rbind/test31 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	"${FS_BIND_ROOT}/bin/makedir" priv parent2
46	"${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" slave parent2
53
54	"${FS_BIND_ROOT}/bin/makedir" unclone parent1/child1
55	mount --rbind "$disk1" parent1/child1
56	mount --rbind parent1 parent2
57
58	check -n parent1/child1 share1/child1
59	check -n parent1/child1 parent2/child1
60	check -n parent2 share2
61
62	break
63done
64trap 'ERR=$? ; tst_resm TWARN "rbind/test31: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
65if [ -n "${ERR_MSG}" ]; then
66	tst_resm TWARN "rbind/test31: ${ERR_MSG}"
67	ERR_MSG=""
68	result=$ERR
69fi
70trap '' ERR
71{
72	umount parent1/child1
73	umount parent1/child1
74	umount parent2
75	umount parent2
76	umount parent2
77	umount parent1
78	umount share1
79	umount share2
80	umount parent1
81
82	rm -rf parent* share*
83	cleanup
84} >& /dev/null
85if [ $result -ne 0 ]
86then
87	tst_resm TFAIL "rbind/test31: FAILED: rbind: shared subtree with uncloneable child to slave subtree."
88	exit 1
89else
90	tst_resm TPASS "rbind/test31: PASSED"
91	exit 0
92fi
93tst_exit
94