1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <fcntl.h>
#include <inttypes.h>
#include <linux/fiemap.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include "errno-util.h"
#include "fd-util.h"
#include "log.h"
#include "hibernate-util.h"
#include "tests.h"
static int test_fiemap_one(const char *path) {
_cleanup_free_ struct fiemap *fiemap = NULL;
_cleanup_close_ int fd = -EBADF;
int r;
log_info("/* %s */", __func__);
fd = open(path, O_RDONLY | O_CLOEXEC | O_NONBLOCK);
if (fd < 0)
return log_error_errno(errno, "failed to open %s: %m", path);
r = read_fiemap(fd, &fiemap);
if (r == -EOPNOTSUPP)
exit(log_tests_skipped("Not supported"));
if (r < 0)
return log_error_errno(r, "Unable to read extent map for '%s': %m", path);
log_info("extent map information for %s:", path);
log_info("\t start: %" PRIu64, (uint64_t) fiemap->fm_start);
log_info("\t length: %" PRIu64, (uint64_t) fiemap->fm_length);
log_info("\t flags: %" PRIu32, fiemap->fm_flags);
log_info("\t number of mapped extents: %" PRIu32, fiemap->fm_mapped_extents);
log_info("\t extent count: %" PRIu32, fiemap->fm_extent_count);
if (fiemap->fm_extent_count > 0)
log_info("\t first extent location: %" PRIu64,
(uint64_t) (fiemap->fm_extents[0].fe_physical / page_size()));
return 0;
}
TEST_RET(fiemap) {
int r = 0;
assert_se(test_fiemap_one(saved_argv[0]) == 0);
for (int i = 1; i < saved_argc; i++) {
int k = test_fiemap_one(saved_argv[i]);
if (r == 0)
r = k;
}
return r;
}
static int intro(void) {
if (getuid() != 0)
log_warning("This program is unlikely to work for unprivileged users");
return EXIT_SUCCESS;
}
DEFINE_TEST_MAIN_WITH_INTRO(LOG_DEBUG, intro);
|