1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include <linux/errno.h>
5 #include <linux/file.h>
6 #include <linux/io_uring.h>
8 #include <uapi/linux/io_uring.h>
14 /* NOTE: kiocb has the file as the first member, so don't do it here */
19 int io_nop_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
22 struct io_nop *nop = io_kiocb_to_cmd(req, struct io_nop);
24 flags = READ_ONCE(sqe->nop_flags);
25 if (flags & ~IORING_NOP_INJECT_RESULT)
28 if (flags & IORING_NOP_INJECT_RESULT)
29 nop->result = READ_ONCE(sqe->len);
35 int io_nop(struct io_kiocb *req, unsigned int issue_flags)
37 struct io_nop *nop = io_kiocb_to_cmd(req, struct io_nop);
41 io_req_set_res(req, nop->result, 0);