Update contrib/libs/liburing to 2.6

3b51a9fb14de805208d11f1c077c78bb5d487e0f

1 files changed, 187 insertions, 0 deletions

diff --git a/contrib/libs/liburing/test/truncate.c b/contrib/libs/liburing/test/truncate.c
new file mode 100644
index 0000000000..395d09e70d
--- /dev/null
+++ b/contrib/libs/liburing/test/truncate.c
@@ -0,0 +1,187 @@
+#include "../config-host.h"
+/* SPDX-License-Identifier: MIT */
+/*
+ * Description: run various truncate tests
+ *
+ */
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+
+#include "liburing.h"
+#include "helpers.h"
+
+#define TWO_GIG_SIZE ((loff_t)2 * 1024 * 1024 * 1024)
+#define ONE_GIG_SIZE ((loff_t)1024 * 1024 * 1024)
+#define HALF_GIG_SIZE ((loff_t)512 * 1024 * 1024)
+
+static int test_truncate(struct io_uring *ring, int fd)
+{
+	struct io_uring_cqe *cqe;
+	struct io_uring_sqe *sqe;
+	int ret = -1;
+
+	sqe = io_uring_get_sqe(ring);
+	if (!sqe) {
+		fprintf(stderr, "get sqe failed\n");
+		return T_EXIT_FAIL;
+	}
+
+	memset(sqe, 0, sizeof(*sqe));
+
+	io_uring_prep_rw(IORING_OP_FTRUNCATE, sqe, fd, "fail", 0, 4);
+
+	ret = io_uring_submit(ring);
+	if (ret <= 0) {
+		fprintf(stderr, "sqe submit failed: %d\n", ret);
+		return T_EXIT_FAIL;
+	}
+
+	ret = io_uring_wait_cqe(ring, &cqe);
+	if (ret < 0) {
+		fprintf(stderr, "wait completion %d\n", ret);
+		return T_EXIT_FAIL;
+	}
+	ret = cqe->res;
+	io_uring_cqe_seen(ring, cqe);
+	if (ret == -EINVAL)
+		return T_EXIT_PASS;
+
+	fprintf(stderr, "unexpected truncate res %d\n", ret);
+	return T_EXIT_FAIL;
+}
+
+static int test_ftruncate(struct io_uring *ring, int fd, loff_t len)
+{
+	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_ftruncate(sqe, fd, len);
+
+	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 get_file_size(int fd, loff_t *size)
+{
+	struct stat st;
+
+	if (fstat(fd, &st) < 0) {
+		perror("fstat");
+		return -1;
+	}
+	if (S_ISREG(st.st_mode)) {
+		*size = st.st_size;
+		return 0;
+	} else if (S_ISBLK(st.st_mode)) {
+		unsigned long long bytes;
+
+		if (ioctl(fd, BLKGETSIZE64, &bytes) != 0) {
+			perror("ioctl");
+			return -1;
+		}
+
+		*size = bytes;
+		return 0;
+	}
+
+	return -1;
+}
+
+int main(int argc, char *argv[])
+{
+	struct io_uring ring;
+	char path[32] = ".truncate.XXXXXX";
+	int ret;
+	int fd;
+	int i;
+	loff_t size;
+	loff_t test_sizes[3];
+
+	if (argc > 1)
+		return T_EXIT_SKIP;
+
+	ret = io_uring_queue_init(1, &ring, 0);
+	if (ret) {
+		fprintf(stderr, "ring setup failed: %d\n", ret);
+		return T_EXIT_FAIL;
+	}
+
+	fd = mkostemp(path, O_WRONLY | O_CREAT | O_TRUNC);
+	if (fd < 0) {
+		perror("mkostemp");
+		return T_EXIT_FAIL;
+	}
+
+	test_sizes[0] = TWO_GIG_SIZE;
+	test_sizes[1] = ONE_GIG_SIZE;
+	test_sizes[2] = HALF_GIG_SIZE;
+
+	for (i = 0; i < 3; i++) {
+		ret = test_ftruncate(&ring, fd, test_sizes[i]);
+		if (ret < 0) {
+			if (ret == -EBADF || ret == -EINVAL) {
+				if (i == 0) {
+					fprintf(stdout, "Ftruncate not supported, skipping\n");
+					ret = T_EXIT_SKIP;
+					goto out;
+				}
+				goto err;
+			}
+			fprintf(stderr, "ftruncate: %s\n", strerror(-ret));
+			goto err;
+		} else if (ret) {
+			fprintf(stderr, "unexpected cqe->res %d\n", ret);
+			goto err;
+		}
+		if (get_file_size(fd, &size))
+			goto err;
+		if (size != test_sizes[i]) {
+			fprintf(stderr, "fail %d size=%llu, %llu\n", i,
+				(unsigned long long) size,
+				(unsigned long long) test_sizes[i]);
+			goto err;
+		}
+	}
+
+	ret = test_truncate(&ring, fd);
+	if (ret != T_EXIT_PASS)
+		goto err;
+
+out:
+	unlink(path);
+	close(fd);
+	return T_EXIT_PASS;
+err:
+	unlink(path);
+	close(fd);
+	return T_EXIT_FAIL;
+}