xref: /aosp_15_r20/external/ltp/testcases/kernel/fs/fs_bind/rbind/fs_bind_rbind27.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 "rbind: shared subtree with slave child to slave subtree"
13
14	fs_bind_makedir rshared parent1
15	fs_bind_makedir private parent2
16	fs_bind_makedir rshared share1
17	fs_bind_makedir rshared share2
18	fs_bind_makedir rshared parent1/child1
19
20	EXPECT_PASS mount --bind share1 parent1/child1
21	EXPECT_PASS mount --bind share2 parent2
22	EXPECT_PASS mount --rbind "$FS_BIND_DISK1" parent1/child1
23	EXPECT_PASS mount --make-rslave parent1/child1
24	EXPECT_PASS mount --make-rslave parent2
25
26	EXPECT_PASS mount --rbind parent1 parent2
27
28	fs_bind_check parent1 parent2
29	fs_bind_check parent1/child1/ parent2/child1
30	fs_bind_check -n parent2 share2
31
32	EXPECT_PASS mount --rbind "$FS_BIND_DISK2" parent1/child1/a
33
34	fs_bind_check -n parent1/child1/a parent2/child1/a
35	fs_bind_check -n parent1/child1/a share1/a
36
37	EXPECT_PASS mount --rbind "$FS_BIND_DISK3" parent2/child1/b
38
39	fs_bind_check -n parent1/child1/b parent2/child1/b
40
41
42	EXPECT_PASS umount parent1/child1/a
43	EXPECT_PASS umount parent2/child1/b
44	EXPECT_PASS umount parent2/child1
45	EXPECT_PASS umount parent2/child1
46	EXPECT_PASS umount parent1/child1
47	EXPECT_PASS umount parent2
48	EXPECT_PASS umount parent2
49	EXPECT_PASS umount parent2
50	EXPECT_PASS umount share2
51	EXPECT_PASS umount parent1
52	EXPECT_PASS umount share1
53}
54
55. fs_bind_lib.sh
56tst_run
57