From e28683bdfc2f2cb0dab042f9079cda89dbf589d9 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 24 May 2022 11:56:42 -0600
Subject: io_uring: move nop into its own file

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 io_uring/nop.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 io_uring/nop.c

(limited to 'io_uring/nop.c')

diff --git a/io_uring/nop.c b/io_uring/nop.c
new file mode 100644
index 000000000000..d363d8ce70a3
--- /dev/null
+++ b/io_uring/nop.c
@@ -0,0 +1,26 @@
+// 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_types.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;
+}
-- 
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