xref: /aosp_15_r20/external/ltp/testcases/kernel/fs/fs_bind/bind/fs_bind04.sh (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0-or-later
3# Copyright (c) International Business Machines  Corp., 2005
4# Copyright (c) 2021 Joerg Vehlow <[email protected]>
5# Author: Avantika Mathur ([email protected])
6
7FS_BIND_TESTFUNC=test
8
9
10test()
11{
12	tst_res TINFO "bind: shared child to unclonable parent"
13
14	fs_bind_makedir rshared parent1
15	fs_bind_makedir runbindable parent2
16	fs_bind_makedir rshared share1
17	fs_bind_makedir rshared parent1/child1
18
19	EXPECT_PASS mount --bind "$FS_BIND_DISK1" parent1/child1
20
21	mkdir parent2/child2
22
23	EXPECT_PASS mount --bind parent1/child1 share1
24	EXPECT_PASS mount --bind parent1/child1 parent2/child2
25	fs_bind_check parent1/child1 share1 parent2/child2
26
27	EXPECT_PASS mount --bind "$FS_BIND_DISK2" parent1/child1/a
28	fs_bind_check parent1/child1/a parent2/child2/a share1/a
29
30	EXPECT_PASS mount --bind "$FS_BIND_DISK3" parent2/child2/b
31	fs_bind_check parent1/child1/b parent2/child2/b share1/b
32
33	EXPECT_PASS mount --bind "$FS_BIND_DISK4" share1/c
34	fs_bind_check parent1/child1/c parent2/child2/c share1/c
35
36	EXPECT_PASS umount parent1/child1/a
37	EXPECT_PASS umount parent1/child1/b
38	EXPECT_PASS umount parent1/child1/c
39	EXPECT_PASS umount parent2/child2
40	EXPECT_PASS umount parent1/child1
41	EXPECT_PASS umount parent1/child1
42	EXPECT_PASS umount share1
43	EXPECT_PASS umount share1
44	EXPECT_PASS umount parent2
45	EXPECT_PASS umount parent1
46}
47
48. fs_bind_lib.sh
49tst_run
50