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=test19} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST19***************"
29tst_resm TINFO "bind: shared subtree with shared child to slave subtree."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of bind/test19 failed" && tst_exit)
33export result=0
34
35
36
37trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
38
39while /bin/true ; do
40	# This loop is for error recovery purposes only
41
42
43	####### SETUP ######
44
45
46
47	"${FS_BIND_ROOT}/bin/makedir" share parent1
48	"${FS_BIND_ROOT}/bin/makedir" share parent2
49	"${FS_BIND_ROOT}/bin/makedir" share share1
50	"${FS_BIND_ROOT}/bin/makedir" share share2
51
52	mount --bind "$disk1" share1
53	mount --bind share1 parent1
54	mount --bind share2 parent2
55	"${FS_BIND_ROOT}/bin/makedir" slave parent2
56
57	###### BODY ######
58	mount --bind parent1 parent2
59	"${FS_BIND_ROOT}/bin/makedir" share parent1/child1
60
61	##### VERIFICATION ######
62	check parent1 share1 parent2
63	mount --bind "$disk2" parent1/child1
64	check parent1/child1 parent2/child1
65	check parent1/child1 share1/child1
66	mount --bind "$disk3" parent2/a
67
68	check parent1/a parent2/a share1/a
69
70	mount --bind "$disk4" share1/b
71
72	check parent1/b parent2/b share1/b
73
74	##### CLEANUP ######
75	break
76done
77trap 'ERR=$? ; tst_resm TWARN "bind/test19: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
78if [ -n "${ERR_MSG}" ]; then
79	tst_resm TWARN "bind/test19: ${ERR_MSG}"
80	ERR_MSG=""
81	result=$ERR
82fi
83trap '' ERR
84{
85	umount share1/b
86	umount parent2/a
87	umount parent1/child1
88	umount parent1/child1
89	umount parent2
90	umount parent2
91	umount parent1
92	umount share1
93	umount parent2
94	umount parent1
95	umount share1
96	umount share2
97
98	rm -rf parent* share*
99	cleanup
100} >& /dev/null
101if [ $result -ne 0 ]
102then
103	tst_resm TFAIL "bind/test19: FAILED: bind: shared subtree with shared child to slave subtree."
104	exit 1
105else
106	tst_resm TPASS "bind/test19: PASSED"
107	exit 0
108fi
109tst_exit
110