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=test22} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST22***************"
29tst_resm TINFO "rbind: shared subtree with  private child to slave subtree."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of rbind/test22 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 share2
47
48	mount --rbind share2 parent2
49	"${FS_BIND_ROOT}/bin/makedir" slave parent2
50	"${FS_BIND_ROOT}/bin/makedir" priv parent1/child1
51	mount --rbind "$disk1" parent1/child1
52	mount --rbind parent1 parent2
53
54	check parent1 parent2
55	check parent1/child1/ parent2/child1
56	check -n parent2 share2
57	mount --rbind "$disk2" parent1/child1/a
58
59	check -n parent1/child1/a parent2/child1/a
60
61	mount --rbind "$disk3" parent2/child1/b
62
63	check -n parent1/child1/b parent2/child1/b
64
65
66	break
67done
68trap 'ERR=$? ; tst_resm TWARN "rbind/test22: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
69if [ -n "${ERR_MSG}" ]; then
70	tst_resm TWARN "rbind/test22: ${ERR_MSG}"
71	ERR_MSG=""
72	result=$ERR
73fi
74trap '' ERR
75{
76	umount parent1/child1/a
77	umount parent2/child1/b
78	umount parent2/child1
79	umount parent2/child1
80	umount parent1/child1
81	umount parent1/child1
82	umount parent2
83	umount parent2
84	umount parent1
85	umount share2
86	umount parent2
87
88	rm -rf parent* share*
89	cleanup
90} >& /dev/null
91if [ $result -ne 0 ]
92then
93	tst_resm TFAIL "rbind/test22: FAILED: rbind: shared subtree with  private child to slave subtree."
94	exit 1
95else
96	tst_resm TPASS "rbind/test22: PASSED"
97	exit 0
98fi
99tst_exit
100