xref: /aosp_15_r20/external/ltp/testcases/kernel/fs/fs_bind/bind/fs_bind19.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 subtree with shared child to slave subtree"
13
14	fs_bind_makedir rshared parent1
15	fs_bind_makedir rshared parent2
16	fs_bind_makedir rshared share1
17	fs_bind_makedir rshared share2
18
19	EXPECT_PASS mount --bind "$FS_BIND_DISK1" share1
20	EXPECT_PASS mount --bind share1 parent1
21	EXPECT_PASS mount --bind --make-rslave share2 parent2
22
23	EXPECT_PASS mount --bind parent1 parent2
24	fs_bind_makedir rshared parent1/child1
25	fs_bind_check parent1 share1 parent2
26
27	EXPECT_PASS mount --bind "$FS_BIND_DISK2" parent1/child1
28	fs_bind_check parent1/child1 parent2/child1
29	fs_bind_check parent1/child1 share1/child1
30
31	EXPECT_PASS mount --bind "$FS_BIND_DISK3" parent2/a
32	fs_bind_check parent1/a parent2/a share1/a
33
34	EXPECT_PASS mount --bind "$FS_BIND_DISK4" share1/b
35	fs_bind_check parent1/b parent2/b share1/b
36
37	EXPECT_PASS umount share1/b
38	EXPECT_PASS umount parent2/a
39	EXPECT_PASS umount parent1/child1
40	EXPECT_PASS umount parent1/child1
41	EXPECT_PASS umount parent2
42	EXPECT_PASS umount parent2
43	EXPECT_PASS umount parent1
44	EXPECT_PASS umount share1
45	EXPECT_PASS umount parent2
46	EXPECT_PASS umount parent1
47	EXPECT_PASS umount share1
48	EXPECT_PASS umount share2
49}
50
51. fs_bind_lib.sh
52tst_run
53