Add IORING_OP_STATX definition and simple test case
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/test/statx.c b/test/statx.c
new file mode 100644
index 0000000..a3c2313
--- /dev/null
+++ b/test/statx.c
@@ -0,0 +1,130 @@
+/*
+ * Description: run various openat(2) tests
+ *
+ */
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <linux/stat.h>
+
+#include "liburing.h"
+
+#if defined(__x86_64)
+static int do_statx(int dfd, const char *path, int flags, unsigned mask,
+ struct statx *statxbuf)
+{
+ return syscall(332, dfd, path, flags, mask, statxbuf);
+}
+#endif
+
+static int create_file(const char *file, size_t size)
+{
+ ssize_t ret;
+ char *buf;
+ int fd;
+
+ buf = malloc(size);
+ memset(buf, 0xaa, size);
+
+ fd = open(file, O_WRONLY | O_CREAT, 0644);
+ if (fd < 0) {
+ perror("open file");
+ return 1;
+ }
+ ret = write(fd, buf, size);
+ close(fd);
+ return ret != size;
+}
+
+static int test_statx(struct io_uring *ring, const char *path)
+{
+ struct io_uring_cqe *cqe;
+ struct io_uring_sqe *sqe;
+ struct statx x1;
+#if defined(__x86_64)
+ struct statx x2;
+#endif
+ int ret;
+
+ sqe = io_uring_get_sqe(ring);
+ if (!sqe) {
+ fprintf(stderr, "get sqe failed\n");
+ goto err;
+ }
+ io_uring_prep_statx(sqe, -1, path, 0, STATX_ALL, &x1);
+
+ 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);
+ if (ret)
+ return ret;
+#if defined(__x86_64)
+ ret = do_statx(-1, path, 0, STATX_ALL, &x2);
+ if (ret < 0)
+ return -1;
+ if (memcmp(&x1, &x2, sizeof(x1))) {
+ fprintf(stderr, "Miscompare between io_uring and statx\n");
+ goto err;
+ }
+#endif
+ return 0;
+err:
+ return -1;
+}
+
+int main(int argc, char *argv[])
+{
+ struct io_uring ring;
+ const char *fname;
+ int ret;
+
+ ret = io_uring_queue_init(8, &ring, 0);
+ if (ret) {
+ fprintf(stderr, "ring setup failed\n");
+ return 1;
+ }
+
+ if (argc > 1) {
+ fname = argv[1];
+ } else {
+ fname = "/tmp/.statx";
+ if (create_file(fname, 4096)) {
+ fprintf(stderr, "file create failed\n");
+ return 1;
+ }
+ }
+
+ ret = test_statx(&ring, fname);
+ if (ret) {
+ if (ret == -EINVAL) {
+ fprintf(stdout, "statx not supported, skipping\n");
+ goto done;
+ }
+ fprintf(stderr, "test_statx failed: %d\n", ret);
+ goto err;
+ }
+done:
+ if (fname != argv[1])
+ unlink(fname);
+ return 0;
+err:
+ if (fname != argv[1])
+ unlink(fname);
+ return 1;
+}