rw.h 1.2 KB

12345678910111213141516171819202122232425262728
  1. // SPDX-License-Identifier: GPL-2.0
  2. #include <linux/pagemap.h>
  3. struct io_async_rw {
  4. size_t bytes_done;
  5. struct iov_iter iter;
  6. struct iov_iter_state iter_state;
  7. struct iovec fast_iov;
  8. struct iovec *free_iovec;
  9. int free_iov_nr;
  10. struct wait_page_queue wpq;
  11. };
  12. int io_prep_read_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe);
  13. int io_prep_write_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe);
  14. int io_prep_readv(struct io_kiocb *req, const struct io_uring_sqe *sqe);
  15. int io_prep_writev(struct io_kiocb *req, const struct io_uring_sqe *sqe);
  16. int io_prep_read(struct io_kiocb *req, const struct io_uring_sqe *sqe);
  17. int io_prep_write(struct io_kiocb *req, const struct io_uring_sqe *sqe);
  18. int io_read(struct io_kiocb *req, unsigned int issue_flags);
  19. int io_write(struct io_kiocb *req, unsigned int issue_flags);
  20. void io_readv_writev_cleanup(struct io_kiocb *req);
  21. void io_rw_fail(struct io_kiocb *req);
  22. void io_req_rw_complete(struct io_kiocb *req, struct io_tw_state *ts);
  23. int io_read_mshot_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
  24. int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags);
  25. void io_rw_cache_free(const void *entry);