162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci#include <linux/pagemap.h> 462306a36Sopenharmony_ci 562306a36Sopenharmony_cistruct io_rw_state { 662306a36Sopenharmony_ci struct iov_iter iter; 762306a36Sopenharmony_ci struct iov_iter_state iter_state; 862306a36Sopenharmony_ci struct iovec fast_iov[UIO_FASTIOV]; 962306a36Sopenharmony_ci}; 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_cistruct io_async_rw { 1262306a36Sopenharmony_ci struct io_rw_state s; 1362306a36Sopenharmony_ci const struct iovec *free_iovec; 1462306a36Sopenharmony_ci size_t bytes_done; 1562306a36Sopenharmony_ci struct wait_page_queue wpq; 1662306a36Sopenharmony_ci}; 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ciint io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe); 1962306a36Sopenharmony_ciint io_read(struct io_kiocb *req, unsigned int issue_flags); 2062306a36Sopenharmony_ciint io_readv_prep_async(struct io_kiocb *req); 2162306a36Sopenharmony_ciint io_write(struct io_kiocb *req, unsigned int issue_flags); 2262306a36Sopenharmony_ciint io_writev_prep_async(struct io_kiocb *req); 2362306a36Sopenharmony_civoid io_readv_writev_cleanup(struct io_kiocb *req); 2462306a36Sopenharmony_civoid io_rw_fail(struct io_kiocb *req); 2562306a36Sopenharmony_civoid io_req_rw_complete(struct io_kiocb *req, struct io_tw_state *ts); 26