1// SPDX-License-Identifier: GPL-2.0
2
3#include <linux/pagemap.h>
4
5struct io_async_rw {
6	size_t				bytes_done;
7	struct iov_iter			iter;
8	struct iov_iter_state		iter_state;
9	struct iovec			fast_iov;
10	struct iovec			*free_iovec;
11	int				free_iov_nr;
12	struct wait_page_queue		wpq;
13};
14
15int io_prep_read_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe);
16int io_prep_write_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe);
17int io_prep_readv(struct io_kiocb *req, const struct io_uring_sqe *sqe);
18int io_prep_writev(struct io_kiocb *req, const struct io_uring_sqe *sqe);
19int io_prep_read(struct io_kiocb *req, const struct io_uring_sqe *sqe);
20int io_prep_write(struct io_kiocb *req, const struct io_uring_sqe *sqe);
21int io_read(struct io_kiocb *req, unsigned int issue_flags);
22int io_write(struct io_kiocb *req, unsigned int issue_flags);
23void io_readv_writev_cleanup(struct io_kiocb *req);
24void io_rw_fail(struct io_kiocb *req);
25void io_req_rw_complete(struct io_kiocb *req, struct io_tw_state *ts);
26int io_read_mshot_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
27int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags);
28void io_rw_cache_free(const void *entry);
29