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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* SPDX-License-Identifier: MIT */
/*
* Description: run various nop tests
*
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "liburing.h"
static int test_rename(struct io_uring *ring, const char *old, const char *new)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
memset(sqe, 0, sizeof(*sqe));
io_uring_prep_rename(sqe, old, new);
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
ret = cqe->res;
io_uring_cqe_seen(ring, cqe);
return ret;
err:
return 1;
}
static int stat_file(const char *buf)
{
struct stat sb;
if (!stat(buf, &sb))
return 0;
return errno;
}
int main(int argc, char *argv[])
{
struct io_uring ring;
char src[32] = "./XXXXXX";
char dst[32] = "./XXXXXX";
int ret;
if (argc > 1)
return 0;
ret = io_uring_queue_init(1, &ring, 0);
if (ret) {
fprintf(stderr, "ring setup failed: %d\n", ret);
return 1;
}
ret = mkstemp(src);
if (ret < 0) {
perror("mkstemp");
return 1;
}
close(ret);
ret = mkstemp(dst);
if (ret < 0) {
perror("mkstemp");
return 1;
}
close(ret);
if (stat_file(src) != 0) {
perror("stat");
return 1;
}
if (stat_file(dst) != 0) {
perror("stat");
return 1;
}
ret = test_rename(&ring, src, dst);
if (ret < 0) {
if (ret == -EBADF || ret == -EINVAL) {
fprintf(stdout, "Rename not supported, skipping\n");
goto out;
}
fprintf(stderr, "rename: %s\n", strerror(-ret));
goto err;
} else if (ret)
goto err;
if (stat_file(src) != ENOENT) {
fprintf(stderr, "stat got %s\n", strerror(ret));
return 1;
}
if (stat_file(dst) != 0) {
perror("stat");
return 1;
}
ret = test_rename(&ring, "/x/y/1/2", "/2/1/y/x");
if (ret != -ENOENT) {
fprintf(stderr, "test_rename invalid failed: %d\n", ret);
return ret;
}
out:
unlink(dst);
return 0;
err:
unlink(src);
unlink(dst);
return 1;
}
|
