1// SPDX-License-Identifier: GPL-2.0
 2
 3#include <linux/pagemap.h>
 4
 5struct io_rw_state {
 6	struct iov_iter			iter;
 7	struct iov_iter_state		iter_state;
 8	struct iovec			fast_iov[UIO_FASTIOV];
 9};
10
11struct io_async_rw {
12	struct io_rw_state		s;
13	const struct iovec		*free_iovec;
14	size_t				bytes_done;
15	struct wait_page_queue		wpq;
16};
17
18int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe);
19int io_read(struct io_kiocb *req, unsigned int issue_flags);
20int io_readv_prep_async(struct io_kiocb *req);
21int io_write(struct io_kiocb *req, unsigned int issue_flags);
22int io_writev_prep_async(struct io_kiocb *req);
23void io_readv_writev_cleanup(struct io_kiocb *req);
24void io_rw_fail(struct io_kiocb *req);