// SPDX-License-Identifier: GPL-2.0 #include <linux/pagemap.h> struct io_rw_state { struct iov_iter iter; struct iov_iter_state iter_state; struct iovec fast_iov[UIO_FASTIOV]; }; struct io_async_rw { struct io_rw_state s; const struct iovec *free_iovec; size_t bytes_done; struct wait_page_queue wpq; }; int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe); int io_read(struct io_kiocb *req, unsigned int issue_flags); int io_readv_prep_async(struct io_kiocb *req); int io_write(struct io_kiocb *req, unsigned int issue_flags); int io_writev_prep_async(struct io_kiocb *req); void io_readv_writev_cleanup(struct io_kiocb *req); void io_rw_fail(struct io_kiocb *req);