1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
4 *
5 * Basic move_mount() test.
6 */
7 #include "tst_test.h"
8 #include "lapi/fsmount.h"
9
10 #define MNTPOINT "mntpoint"
11
12 #define TCASE_ENTRY(_flags) {.name = "Flag " #_flags, .flags = _flags}
13
14 static struct tcase {
15 char *name;
16 unsigned int flags;
17 } tcases[] = {
18 TCASE_ENTRY(MOVE_MOUNT_F_SYMLINKS),
19 TCASE_ENTRY(MOVE_MOUNT_F_AUTOMOUNTS),
20 TCASE_ENTRY(MOVE_MOUNT_F_EMPTY_PATH),
21 TCASE_ENTRY(MOVE_MOUNT_T_SYMLINKS),
22 TCASE_ENTRY(MOVE_MOUNT_T_AUTOMOUNTS),
23 TCASE_ENTRY(MOVE_MOUNT_T_EMPTY_PATH),
24 };
25
run(unsigned int n)26 static void run(unsigned int n)
27 {
28 struct tcase *tc = &tcases[n];
29 int fsmfd, fd;
30
31 TEST(fd = fsopen(tst_device->fs_type, 0));
32 if (fd == -1) {
33 tst_res(TFAIL | TTERRNO, "fsopen() failed");
34 return;
35 }
36
37 TEST(fsconfig(fd, FSCONFIG_SET_STRING, "source", tst_device->dev, 0));
38 if (TST_RET == -1) {
39 SAFE_CLOSE(fd);
40 tst_res(TFAIL | TTERRNO, "fsconfig(FSCONFIG_SET_STRING) failed");
41 return;
42 }
43
44 TEST(fsconfig(fd, FSCONFIG_CMD_CREATE, NULL, NULL, 0));
45 if (TST_RET == -1) {
46 SAFE_CLOSE(fd);
47 tst_res(TFAIL | TTERRNO, "fsconfig(FSCONFIG_CMD_CREATE) failed");
48 return;
49 }
50
51 TEST(fsmfd = fsmount(fd, 0, 0));
52 SAFE_CLOSE(fd);
53
54 if (fsmfd == -1) {
55 tst_res(TFAIL | TTERRNO, "fsmount() failed");
56 return;
57 }
58
59 TEST(move_mount(fsmfd, "", AT_FDCWD, MNTPOINT,
60 tc->flags | MOVE_MOUNT_F_EMPTY_PATH));
61 SAFE_CLOSE(fsmfd);
62
63 if (TST_RET == -1) {
64 tst_res(TFAIL | TTERRNO, "move_mount() failed");
65 return;
66 }
67
68 if (tst_is_mounted_at_tmpdir(MNTPOINT)) {
69 SAFE_UMOUNT(MNTPOINT);
70 tst_res(TPASS, "%s: move_mount() passed", tc->name);
71 }
72 }
73
74 static struct tst_test test = {
75 .tcnt = ARRAY_SIZE(tcases),
76 .test = run,
77 .setup = fsopen_supported_by_kernel,
78 .needs_root = 1,
79 .format_device = 1,
80 .mntpoint = MNTPOINT,
81 .all_filesystems = 1,
82 .skip_filesystems = (const char *const []){"fuse", NULL},
83 };
84