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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=test21} ${TST_COUNT=1} ${TST_TOTAL=1}"
23declare -r TCID
24declare -r TST_COUNT
25declare -r TST_TOTAL
26export TCID TST_COUNT TST_TOTAL
27
28tst_resm TINFO "***************TEST21***************"
29tst_resm TINFO "move: shared tree within a tree it is bound to."
30tst_resm TINFO "************************************"
31
32. "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of move/test21 failed" && tst_exit)
33export result=0
34
35
36
37trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
38
39while /bin/true ; do
40	# This loop is for error recovery purposes only
41
42
43	mkdir parent1 parent2
44	mount --bind "$disk1" parent1
45	mount --make-rshared parent1 > /dev/null 2>&1 || "${FS_BIND_ROOT}/bin/smount" parent1 rshared
46	mount --bind parent1 parent2
47
48	check parent1 parent2
49
50	mount --move parent1 parent2/a
51
52	check parent2 parent2/a parent2/a/a
53
54	mount --bind "$disk2" parent2/b
55
56	check parent2/b parent2/a/b parent2/a/a/b
57
58	mount --bind "$disk3" parent2/a/c
59
60	check parent2/c parent2/a/c parent2/a/a/c
61
62	break
63done
64trap 'ERR=$? ; tst_resm TWARN "move/test21: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
65if [ -n "${ERR_MSG}" ]; then
66	tst_resm TWARN "move/test21: ${ERR_MSG}"
67	ERR_MSG=""
68	result=$ERR
69fi
70trap '' ERR
71{
72	umount parent2/a/a/c
73
74	check parent2/c parent2/a/c parent2/a/a/c
75
76	umount parent2/b
77	umount parent2/a/a
78	umount parent2/a
79	umount parent2
80	umount parent1
81
82	rm -rf dir parent* share*
83	cleanup
84} >& /dev/null
85if [ $result -ne 0 ]
86then
87	tst_resm TFAIL "move/test21: FAILED: move: shared tree within a tree it is bound to."
88	exit 1
89else
90	tst_resm TPASS "move/test21: PASSED"
91	exit 0
92fi
93tst_exit
94