1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 * AUTHOR : William Roske
5 * CO-PILOT : Dave Fenner
6 */
7
8 #include <unistd.h>
9 #include <errno.h>
10 #include <stdio.h>
11
12 #include "tst_test.h"
13
14 static char fname[255];
15 static int fd;
16 #define BUF "davef"
17
verify_fsync(void)18 static void verify_fsync(void)
19 {
20 unsigned int i;
21
22 for (i = 0; i < 10; i++) {
23 SAFE_WRITE(1, fd, BUF, sizeof(BUF));
24
25 TEST(fsync(fd));
26
27 if (TST_RET == -1)
28 tst_res(TFAIL | TTERRNO, "fsync failed");
29 else
30 tst_res(TPASS, "fsync() returned %ld", TST_RET);
31 }
32 }
33
setup(void)34 static void setup(void)
35 {
36 sprintf(fname, "mntpoint/tfile_%d", getpid());
37 fd = SAFE_OPEN(fname, O_RDWR | O_CREAT, 0700);
38 }
39
cleanup(void)40 static void cleanup(void)
41 {
42 if (fd > 0)
43 SAFE_CLOSE(fd);
44 }
45
46 static struct tst_test test = {
47 .cleanup = cleanup,
48 .setup = setup,
49 .test_all = verify_fsync,
50 .needs_root = 1,
51 .mount_device = 1,
52 .mntpoint = "mntpoint",
53 .all_filesystems = 1,
54 };
55