Jens Axboe | 41d442b | 2019-12-14 22:44:40 -0700 | [diff] [blame] | 1 | /* |
William Dauchy | 7e3188b | 2020-01-04 16:23:14 +0100 | [diff] [blame^] | 2 | * Description: run various statx(2) tests |
Jens Axboe | 41d442b | 2019-12-14 22:44:40 -0700 | [diff] [blame] | 3 | * |
| 4 | */ |
| 5 | #include <errno.h> |
| 6 | #include <stdio.h> |
| 7 | #include <unistd.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <string.h> |
| 10 | #include <fcntl.h> |
| 11 | #include <sys/types.h> |
Jens Axboe | 41d442b | 2019-12-14 22:44:40 -0700 | [diff] [blame] | 12 | #include <sys/syscall.h> |
| 13 | #include <linux/stat.h> |
| 14 | |
| 15 | #include "liburing.h" |
| 16 | |
| 17 | #if defined(__x86_64) |
| 18 | static int do_statx(int dfd, const char *path, int flags, unsigned mask, |
| 19 | struct statx *statxbuf) |
| 20 | { |
| 21 | return syscall(332, dfd, path, flags, mask, statxbuf); |
| 22 | } |
| 23 | #endif |
| 24 | |
| 25 | static int create_file(const char *file, size_t size) |
| 26 | { |
| 27 | ssize_t ret; |
| 28 | char *buf; |
| 29 | int fd; |
| 30 | |
| 31 | buf = malloc(size); |
| 32 | memset(buf, 0xaa, size); |
| 33 | |
| 34 | fd = open(file, O_WRONLY | O_CREAT, 0644); |
| 35 | if (fd < 0) { |
| 36 | perror("open file"); |
| 37 | return 1; |
| 38 | } |
| 39 | ret = write(fd, buf, size); |
| 40 | close(fd); |
| 41 | return ret != size; |
| 42 | } |
| 43 | |
| 44 | static int test_statx(struct io_uring *ring, const char *path) |
| 45 | { |
| 46 | struct io_uring_cqe *cqe; |
| 47 | struct io_uring_sqe *sqe; |
| 48 | struct statx x1; |
| 49 | #if defined(__x86_64) |
| 50 | struct statx x2; |
| 51 | #endif |
| 52 | int ret; |
| 53 | |
| 54 | sqe = io_uring_get_sqe(ring); |
| 55 | if (!sqe) { |
| 56 | fprintf(stderr, "get sqe failed\n"); |
| 57 | goto err; |
| 58 | } |
| 59 | io_uring_prep_statx(sqe, -1, path, 0, STATX_ALL, &x1); |
| 60 | |
| 61 | ret = io_uring_submit(ring); |
| 62 | if (ret <= 0) { |
| 63 | fprintf(stderr, "sqe submit failed: %d\n", ret); |
| 64 | goto err; |
| 65 | } |
| 66 | |
| 67 | ret = io_uring_wait_cqe(ring, &cqe); |
| 68 | if (ret < 0) { |
| 69 | fprintf(stderr, "wait completion %d\n", ret); |
| 70 | goto err; |
| 71 | } |
| 72 | ret = cqe->res; |
| 73 | io_uring_cqe_seen(ring, cqe); |
| 74 | if (ret) |
| 75 | return ret; |
| 76 | #if defined(__x86_64) |
| 77 | ret = do_statx(-1, path, 0, STATX_ALL, &x2); |
| 78 | if (ret < 0) |
| 79 | return -1; |
| 80 | if (memcmp(&x1, &x2, sizeof(x1))) { |
| 81 | fprintf(stderr, "Miscompare between io_uring and statx\n"); |
| 82 | goto err; |
| 83 | } |
| 84 | #endif |
| 85 | return 0; |
| 86 | err: |
| 87 | return -1; |
| 88 | } |
| 89 | |
| 90 | int main(int argc, char *argv[]) |
| 91 | { |
| 92 | struct io_uring ring; |
| 93 | const char *fname; |
| 94 | int ret; |
| 95 | |
| 96 | ret = io_uring_queue_init(8, &ring, 0); |
| 97 | if (ret) { |
| 98 | fprintf(stderr, "ring setup failed\n"); |
| 99 | return 1; |
| 100 | } |
| 101 | |
| 102 | if (argc > 1) { |
| 103 | fname = argv[1]; |
| 104 | } else { |
| 105 | fname = "/tmp/.statx"; |
| 106 | if (create_file(fname, 4096)) { |
| 107 | fprintf(stderr, "file create failed\n"); |
| 108 | return 1; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | ret = test_statx(&ring, fname); |
| 113 | if (ret) { |
| 114 | if (ret == -EINVAL) { |
| 115 | fprintf(stdout, "statx not supported, skipping\n"); |
| 116 | goto done; |
| 117 | } |
| 118 | fprintf(stderr, "test_statx failed: %d\n", ret); |
| 119 | goto err; |
| 120 | } |
| 121 | done: |
| 122 | if (fname != argv[1]) |
| 123 | unlink(fname); |
| 124 | return 0; |
| 125 | err: |
| 126 | if (fname != argv[1]) |
| 127 | unlink(fname); |
| 128 | return 1; |
| 129 | } |