io_uring: split out open/close operations

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/io_uring/openclose.h b/io_uring/openclose.h
new file mode 100644
index 0000000..9f578f3
--- /dev/null
+++ b/io_uring/openclose.h
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+
+int __io_close_fixed(struct io_kiocb *req, unsigned int issue_flags,
+		     unsigned int offset);
+
+int io_openat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
+int io_openat(struct io_kiocb *req, unsigned int issue_flags);
+void io_open_cleanup(struct io_kiocb *req);
+
+int io_openat2_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
+int io_openat2(struct io_kiocb *req, unsigned int issue_flags);
+
+int io_close_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
+int io_close(struct io_kiocb *req, unsigned int issue_flags);