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=test23} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST24***************"
29tst_resm TINFO "bind: shared child to shared parent."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of bind/test23 failed" && tst_exit)
33export result=0
34
35
36
37trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
38
39while /bin/true ; do
40	# This loop is for error recovery purposes only
41
42
43	mkdir mnt mnt/1 mnt/2 mnt/1/abc tmp1 tmp1/3 tmp2
44
45	mount --bind mnt mnt
46	"${FS_BIND_ROOT}/bin/makedir" share mnt/1 mnt/1
47	mount --bind mnt/1 mnt/2
48	mount --bind "$disk1" mnt/1/abc
49
50	check mnt/1/abc mnt/2/abc "$disk1"
51
52	"${FS_BIND_ROOT}/bin/makedir" share tmp1
53	mount --bind tmp1 tmp2
54
55	mount --move mnt tmp1/3
56	check tmp1/3/1/abc tmp2/3/1/abc tmp2/3/2/abc "$disk1"
57
58	break
59done
60trap 'ERR=$? ; tst_resm TWARN "bind/test23: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
61if [ -n "${ERR_MSG}" ]; then
62	tst_resm TWARN "bind/test23: ${ERR_MSG}"
63	ERR_MSG=""
64	result=$ERR
65fi
66trap '' ERR
67{
68	umount tmp1/3/1/abc
69	umount tmp1/3/1
70	umount tmp1/3/2
71	umount tmp1/3
72	umount tmp1
73	umount tmp1
74	umount tmp2
75
76	rm -rf mnt tmp1 tmp2
77
78
79	cleanup
80} >& /dev/null
81if [ $result -ne 0 ]
82then
83	tst_resm TFAIL "bind/test23: FAILED: bind: shared child to shared parent."
84	exit 1
85else
86	tst_resm TPASS "bind/test23: PASSED"
87	exit 0
88fi
89tst_exit
90