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=test27} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST27***************"
29tst_resm TINFO "rbind: shared subtree with slave child to slave subtree."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of rbind/test27 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	"${FS_BIND_ROOT}/bin/makedir" share share2
48	"${FS_BIND_ROOT}/bin/makedir" share parent1/child1
49
50	mount --bind share1 parent1/child1
51	mount --bind share2 parent2
52	mount --rbind "$disk1" parent1/child1
53	"${FS_BIND_ROOT}/bin/makedir" slave parent1/child1
54	"${FS_BIND_ROOT}/bin/makedir" slave parent2
55
56	mount --rbind parent1 parent2
57
58	check parent1 parent2
59	check parent1/child1/ parent2/child1
60	check -n parent2 share2
61
62	mount --rbind "$disk2" parent1/child1/a
63
64	check -n parent1/child1/a parent2/child1/a
65	check -n parent1/child1/a share1/a
66
67	mount --rbind "$disk3" parent2/child1/b
68
69	check -n parent1/child1/b parent2/child1/b
70
71	break
72done
73trap 'ERR=$? ; tst_resm TWARN "rbind/test27: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
74if [ -n "${ERR_MSG}" ]; then
75	tst_resm TWARN "rbind/test27: ${ERR_MSG}"
76	ERR_MSG=""
77	result=$ERR
78fi
79trap '' ERR
80{
81	umount parent1/child1/a
82	umount parent2/child1/b
83	umount parent2/child1
84	umount parent2/child1
85	umount parent1/child1
86	umount parent1/child1
87	umount parent2
88	umount parent2
89	umount parent2
90	umount share2
91	umount parent1
92
93	rm -rf parent* share*
94	cleanup
95} >& /dev/null
96if [ $result -ne 0 ]
97then
98	tst_resm TFAIL "rbind/test27: FAILED: rbind: shared subtree with slave child to slave subtree."
99	exit 1
100else
101	tst_resm TPASS "rbind/test27: PASSED"
102	exit 0
103fi
104tst_exit
105