1 files changed, 25 insertions, 0 deletions
diff --git a/io_uring/nop.c b/io_uring/nop.c
new file mode 100644
index 000000000..d956599a3
--- /dev/null
+++ b/io_uring/nop.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/file.h>
+#include <linux/io_uring.h>
+
+#include <uapi/linux/io_uring.h>
+
+#include "io_uring.h"
+#include "nop.h"
+
+int io_nop_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
+{
+	return 0;
+}
+
+/*
+ * IORING_OP_NOP just posts a completion event, nothing else.
+ */
+int io_nop(struct io_kiocb *req, unsigned int issue_flags)
+{
+	io_req_set_res(req, 0, 0);
+	return IOU_OK;
+}