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authorJens Axboe <axboe@kernel.dk>2022-05-24 20:56:42 +0300
committerJens Axboe <axboe@kernel.dk>2022-07-25 03:39:11 +0300
commite28683bdfc2f2cb0dab042f9079cda89dbf589d9 (patch)
tree60ec99fa61b6de11bf9749a4ce56007666f354e9 /io_uring/nop.c
parent5e2a18d93fec514fc74f58a6061b74a79764af69 (diff)
downloadlinux-e28683bdfc2f2cb0dab042f9079cda89dbf589d9.tar.xz
io_uring: move nop into its own file
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/nop.c')
-rw-r--r--io_uring/nop.c26
1 files changed, 26 insertions, 0 deletions
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;
+}