1 // SPDX-License-Identifier: GPL-2.0 2 3 #include <linux/pagemap.h> 4 5 struct 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 15 int io_prep_read_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe); 16 int io_prep_write_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe); 17 int io_prep_readv(struct io_kiocb *req, const struct io_uring_sqe *sqe); 18 int io_prep_writev(struct io_kiocb *req, const struct io_uring_sqe *sqe); 19 int io_prep_read(struct io_kiocb *req, const struct io_uring_sqe *sqe); 20 int io_prep_write(struct io_kiocb *req, const struct io_uring_sqe *sqe); 21 int io_read(struct io_kiocb *req, unsigned int issue_flags); 22 int io_write(struct io_kiocb *req, unsigned int issue_flags); 23 void io_readv_writev_cleanup(struct io_kiocb *req); 24 void io_rw_fail(struct io_kiocb *req); 25 void io_req_rw_complete(struct io_kiocb *req, struct io_tw_state *ts); 26 int io_read_mshot_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 27 int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags); 28 void io_rw_cache_free(const void *entry); 29