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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=test11} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST11***************"
29tst_resm TINFO "rbind: slave child to slave parent."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of rbind/test11 failed" && tst_exit)
33export result=0
34
35
36
37trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
38
39while /bin/true ; do
40	# This loop is for error recovery purposes only
41
42
43	"${FS_BIND_ROOT}/bin/makedir" share parent1
44	"${FS_BIND_ROOT}/bin/makedir" share parent2
45	"${FS_BIND_ROOT}/bin/makedir" share share1
46	"${FS_BIND_ROOT}/bin/makedir" share share2
47	"${FS_BIND_ROOT}/bin/makedir" share parent1/child1
48
49	mount --rbind parent2 share2
50	mount --rbind share1 parent1/child1
51	mount --rbind "$disk1" share1
52	mount --rbind "$disk2" share2
53	"${FS_BIND_ROOT}/bin/makedir" slave parent1/child1
54	"${FS_BIND_ROOT}/bin/makedir" slave parent2
55
56	mkdir parent2/child2
57
58	check parent1/child1 share1
59	check parent2 share2
60
61	mount --rbind parent1/child1 parent2/child2
62
63	check parent1/child1 parent2/child2
64
65	mount --rbind "$disk3" parent1/child1/a
66
67	check -n  parent1/child1/a parent2/child2/a
68	check -n parent1/child1/a share1/a
69
70	mount --rbind "$disk4" parent2/child2/b
71
72	check -n parent1/child1/b parent2/child2/b
73	check -n parent2/child2 share2/child2
74	break
75done
76trap 'ERR=$? ; tst_resm TWARN "rbind/test11: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
77if [ -n "${ERR_MSG}" ]; then
78	tst_resm TWARN "rbind/test11: ${ERR_MSG}"
79	ERR_MSG=""
80	result=$ERR
81fi
82trap '' ERR
83{
84	umount parent2/child2/b
85
86	mount --rbind "$disk4" share1/c
87	check share1/c parent1/child1/c
88	check parent1/child1/c parent2/child2/c
89
90	umount parent1/child1/a
91	umount share1/c
92	umount parent2/child2
93	umount parent1/child1
94	umount parent1/child1
95	umount parent1/child1
96	umount share1
97	umount parent2
98	umount parent2
99	umount parent2
100	umount parent2
101	umount parent1
102
103
104	rm -rf parent* share*
105	cleanup
106} >& /dev/null
107if [ $result -ne 0 ]
108then
109        tst_resm TFAIL "rbind/test11: FAILED: rbind: slave child to slave parent."
110        exit 1
111else
112        tst_resm TPASS "rbind/test11: PASSED"
113        exit 0
114fi
115
116
117tst_exit
118