1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2024 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
4 */
5
6 /*\
7 * [Description]
8 *
9 * This test verifies that statmount() is correctly reading basic filesystem
10 * info using STATMOUNT_SB_BASIC.
11 * The btrfs validation is currently skipped due to the lack of support for VFS.
12 *
13 * [Algorithm]
14 *
15 * - create a mount point and read its mount info
16 * - run statmount() on the mount point using STATMOUNT_SB_BASIC
17 * - read results and check if mount info are correct
18 */
19
20 #define _GNU_SOURCE
21
22 #include "statmount.h"
23 #include "lapi/stat.h"
24 #include "lapi/sched.h"
25 #include <linux/btrfs.h>
26
27 #define MNTPOINT "mntpoint"
28
29 static struct statmount *st_mount;
30 static struct ltp_statx *sx_mount;
31 static struct statfs *sf_mount;
32
run(void)33 static void run(void)
34 {
35 memset(st_mount, 0, sizeof(struct statmount));
36
37 TST_EXP_PASS(statmount(sx_mount->data.stx_mnt_id, STATMOUNT_SB_BASIC,
38 st_mount, sizeof(struct statmount), 0));
39
40 if (!TST_PASS)
41 return;
42
43 TST_EXP_EQ_LI(st_mount->mask, STATMOUNT_SB_BASIC);
44 TST_EXP_EQ_LI(st_mount->size, sizeof(struct statmount));
45 TST_EXP_EQ_LI(st_mount->sb_dev_major, sx_mount->data.stx_dev_major);
46 TST_EXP_EQ_LI(st_mount->sb_dev_minor, sx_mount->data.stx_dev_minor);
47 TST_EXP_EQ_LI(st_mount->sb_magic, sf_mount->f_type);
48 TST_EXP_EQ_LI(st_mount->sb_flags, MS_RDONLY);
49 }
50
setup(void)51 static void setup(void)
52 {
53 SAFE_MOUNT(tst_device->dev, MNTPOINT, tst_device->fs_type, MS_RDONLY, NULL);
54
55 SAFE_STATX(AT_FDCWD, MNTPOINT, 0, STATX_MNT_ID_UNIQUE, sx_mount);
56 SAFE_STATFS(MNTPOINT, sf_mount);
57 }
58
cleanup(void)59 static void cleanup(void)
60 {
61 if (tst_is_mounted(MNTPOINT))
62 SAFE_UMOUNT(MNTPOINT);
63 }
64
65 static struct tst_test test = {
66 .test_all = run,
67 .setup = setup,
68 .cleanup = cleanup,
69 .min_kver = "6.8",
70 .mntpoint = MNTPOINT,
71 .format_device = 1,
72 .all_filesystems = 1,
73 .skip_filesystems = (const char *const []) {
74 "fuse",
75 "btrfs",
76 NULL
77 },
78 .bufs = (struct tst_buffers []) {
79 {&st_mount, .size = sizeof(struct statmount)},
80 {&sx_mount, .size = sizeof(struct ltp_statx)},
81 {&sf_mount, .size = sizeof(struct statfs)},
82 {}
83 }
84 };
85