1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2019 SUSE LLC
4 * Author: Christian Amann <camann@suse.com>
5 */
6
7 /*
8 * Copies the contents of one file into another and
9 * checks if the timestamp gets updated in the process.
10 */
11
12 #define _GNU_SOURCE
13
14 #include "tst_test.h"
15 #include "copy_file_range.h"
16
17 static int fd_src;
18 static int fd_dest;
19
get_timestamp(int fd)20 unsigned long get_timestamp(int fd)
21 {
22 struct stat filestat;
23
24 fstat(fd, &filestat);
25 return filestat.st_mtime;
26 }
27
verify_copy_file_range_timestamp(void)28 static void verify_copy_file_range_timestamp(void)
29 {
30 loff_t offset;
31 unsigned long timestamp, updated_timestamp;
32
33 timestamp = get_timestamp(fd_dest);
34 usleep(1000000);
35
36 offset = 0;
37 TEST(sys_copy_file_range(fd_src, &offset,
38 fd_dest, 0, CONTSIZE, 0));
39 if (TST_RET == -1)
40 tst_brk(TBROK | TTERRNO,
41 "copy_file_range unexpectedly failed");
42
43 updated_timestamp = get_timestamp(fd_dest);
44
45 if (timestamp == updated_timestamp)
46 tst_brk(TFAIL, "copy_file_range did not update timestamp.");
47
48 tst_res(TPASS, "copy_file_range sucessfully updated the timestamp");
49 }
50
cleanup(void)51 static void cleanup(void)
52 {
53 if (fd_dest > 0)
54 SAFE_CLOSE(fd_dest);
55 if (fd_src > 0)
56 SAFE_CLOSE(fd_src);
57 }
58
setup(void)59 static void setup(void)
60 {
61 syscall_info();
62
63 fd_dest = SAFE_OPEN(FILE_DEST_PATH, O_RDWR | O_CREAT, 0664);
64 fd_src = SAFE_OPEN(FILE_SRC_PATH, O_RDWR | O_CREAT, 0664);
65 SAFE_WRITE(1, fd_src, CONTENT, CONTSIZE);
66 SAFE_CLOSE(fd_src);
67 fd_src = SAFE_OPEN(FILE_SRC_PATH, O_RDONLY);
68 }
69
70
71 static struct tst_test test = {
72 .test_all = verify_copy_file_range_timestamp,
73 .setup = setup,
74 .cleanup = cleanup,
75 .needs_tmpdir = 1,
76 .test_variants = TEST_VARIANTS,
77 };
78