https://github.com/torvalds/linux
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Tip revision: 80e78fcce86de0288793a0ef0f6acf37656ee4cf authored by Linus Torvalds on 11 September 2022, 20:22:01 UTC
Linux 6.0-rc5
Tip revision: 80e78fc
nop.c
// 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;
}
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