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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=test02} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST02***************"
29tst_resm TINFO "bind: shared child to private parent."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of bind/test02 failed" && tst_exit)
33export result=0
34
35
36trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
37
38while /bin/true ; do
39	# This loop is for error recovery purposes only
40
41
42
43
44	"${FS_BIND_ROOT}/bin/makedir" share parent1
45	"${FS_BIND_ROOT}/bin/makedir" priv parent2
46	"${FS_BIND_ROOT}/bin/makedir" share share1
47	"${FS_BIND_ROOT}/bin/makedir" share parent1/child1
48
49	mount --bind "$disk1" parent1/child1
50
51	mkdir parent2/child2
52
53	mount --bind parent1/child1 share1
54	mount --bind parent1/child1 parent2/child2
55
56	check parent1/child1 share1
57	check parent1/child1 parent2/child2
58
59	mount --bind "$disk2" parent1/child1/a
60
61	check parent1/child1/a parent2/child2/a share1/a
62
63	mount --bind "$disk3" parent2/child2/b
64
65	check parent1/child1/b parent2/child2/b share1/b
66
67	break
68done
69trap 'ERR=$? ; tst_resm TWARN "bind/test02: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
70if [ -n "${ERR_MSG}" ]; then
71	tst_resm TWARN "bind/test02: ${ERR_MSG}"
72	ERR_MSG=""
73	result=$ERR
74fi
75trap '' ERR
76{
77	umount parent1/child1/a
78	umount parent1/child1/b
79	umount parent1/child1
80	umount parent1/child1
81	umount parent1/child1
82	umount parent1/child1
83	umount share1
84	umount parent2/child2
85	umount parent2
86	umount parent1
87
88	rm -rf parent* share*
89	cleanup
90} >& /dev/null
91
92if [ $result -ne 0 ]
93then
94        tst_resm TFAIL "bind/test02: FAILED: bind: shared child to private parent."
95        exit 1
96else
97        tst_resm TPASS "bind/test02: PASSED"
98        exit 0
99fi
100
101
102tst_exit
103