1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) Wipro Technologies Ltd, 2003. All Rights Reserved.
4 *
5 * Check that ustat() succeeds given correct parameters.
6 */
7
8 #include "config.h"
9 #include "tst_test.h"
10
11 #if defined(HAVE_SYS_USTAT_H) || defined(HAVE_LINUX_TYPES_H)
12 #include <unistd.h>
13 #include <errno.h>
14 #include <sys/types.h>
15 #include <sys/stat.h>
16
17 #include "lapi/syscalls.h"
18 #include "lapi/ustat.h"
19
20 static dev_t dev_num;
21
run(void)22 void run(void)
23 {
24 struct ustat ubuf;
25
26 TEST(tst_syscall(__NR_ustat, (unsigned int)dev_num, &ubuf));
27
28 if (TST_RET == -1)
29 tst_res(TFAIL | TTERRNO, "ustat(2) failed");
30 else
31 tst_res(TPASS, "ustat(2) passed");
32 }
33
setup(void)34 static void setup(void)
35 {
36 struct stat buf;
37
38 /* Find a valid device number */
39 SAFE_STAT("/", &buf);
40
41 dev_num = buf.st_dev;
42 }
43
44 static struct tst_test test = {
45 .test_all = run,
46 .setup = setup,
47 .tags = (const struct tst_tag[]) {
48 {"known-fail", "ustat() is known to fail with EINVAL on Btrfs, see"
49 "https://lore.kernel.org/linux-btrfs/e7e867b8-b57a-7eb2-2432-1627bd3a88fb@toxicpanda.com/"
50 },
51 {}
52 }
53 };
54 #else
55 TST_TEST_TCONF("testing ustat requires <sys/ustat.h> or <linux/types.h>");
56 #endif
57