selftests/io_uring: add io_uring_queue_init_params

Add a ring init variant taking struct io_uring_params, which mimicks
liburing API.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: isilence

tools/include/io_uring/mini_liburing.h

@@ -126,28 +126,37 @@ static inline int io_uring_enter(int fd, unsigned int to_submit,
 		       flags, sig, _NSIG / 8);
 }
 
-static inline int io_uring_queue_init(unsigned int entries,
-				      struct io_uring *ring,
-				      unsigned int flags)
+static inline int io_uring_queue_init_params(unsigned int entries,
+					     struct io_uring *ring,
+					     struct io_uring_params *p)
 {
-	struct io_uring_params p;
 	int fd, ret;
 
 	memset(ring, 0, sizeof(*ring));
-	memset(&p, 0, sizeof(p));
-	p.flags = flags;
 
-	fd = io_uring_setup(entries, &p);
+	fd = io_uring_setup(entries, p);
 	if (fd < 0)
 		return fd;
-	ret = io_uring_mmap(fd, &p, &ring->sq, &ring->cq);
+	ret = io_uring_mmap(fd, p, &ring->sq, &ring->cq);
 	if (!ret)
 		ring->ring_fd = fd;
 	else
 		close(fd);
 	return ret;
 }
 
+static inline int io_uring_queue_init(unsigned int entries,
+				      struct io_uring *ring,
+				      unsigned int flags)
+{
+	struct io_uring_params p;
+
+	memset(&p, 0, sizeof(p));
+	p.flags = flags;
+
+	return io_uring_queue_init_params(entries, ring, &p);
+}
+
 /* Get a sqe */
 static inline struct io_uring_sqe *io_uring_get_sqe(struct io_uring *ring)
 {