57 	struct iovec __user *uiov;  in io_iov_buffer_select_prep()
58 	struct iovec iov;  in io_iov_buffer_select_prep()
369 static struct iovec *__io_import_iovec(int ddir, struct io_kiocb *req,  in __io_import_iovec()
376 	struct iovec *iovec;  in __io_import_iovec()  local
407 	iovec = s->fast_iov;  in __io_import_iovec()
408 	ret = __import_iovec(ddir, buf, sqe_len, UIO_FASTIOV, &iovec, iter,  in __io_import_iovec()
412 	return iovec;  in __io_import_iovec()
416 				  struct iovec **iovec, struct io_rw_state *s,  in io_import_iovec()  argument
419 	*iovec = __io_import_iovec(rw, req, s, issue_flags);  in io_import_iovec()
420 	if (IS_ERR(*iovec))  in io_import_iovec()
421 		return PTR_ERR(*iovec);  in io_import_iovec()
498 static void io_req_map_rw(struct io_kiocb *req, const struct iovec *iovec,  in io_req_map_rw()  argument
499 			  const struct iovec *fast_iov, struct iov_iter *iter)  in io_req_map_rw()
504 	io->free_iovec = iovec;  in io_req_map_rw()
509 	if (!iovec) {  in io_req_map_rw()
519 			       sizeof(struct iovec) * iter->nr_segs);  in io_req_map_rw()
525 static int io_setup_async_rw(struct io_kiocb *req, const struct iovec *iovec,  in io_setup_async_rw()  argument
534 			kfree(iovec);  in io_setup_async_rw()
538 		io_req_map_rw(req, iovec, s->fast_iov, &s->iter);  in io_setup_async_rw()
549 	struct iovec *iov;  in io_rw_prep_async()
715 	struct iovec *iovec;  in io_read()  local
723 		ret = io_import_iovec(ITER_DEST, req, &iovec, s, issue_flags);  in io_read()
735 			ret = io_import_iovec(ITER_DEST, req, &iovec, s, issue_flags);  in io_read()
746 		iovec = NULL;  in io_read()
750 		kfree(iovec);  in io_read()
758 			ret = io_setup_async_rw(req, iovec, s, true);  in io_read()
771 		kfree(iovec);  in io_read()
790 		if (iovec)  in io_read()
791 			kfree(iovec);  in io_read()
806 	ret2 = io_setup_async_rw(req, iovec, s, true);  in io_read()
807 	iovec = NULL;  in io_read()
854 	if (iovec)  in io_read()
855 		kfree(iovec);  in io_read()
863 	struct iovec *iovec;  in io_write()  local
870 		ret = io_import_iovec(ITER_SOURCE, req, &iovec, s, issue_flags);  in io_write()
878 		iovec = NULL;  in io_write()
882 		kfree(iovec);  in io_write()
908 		kfree(iovec);  in io_write()
954 			ret = io_setup_async_rw(req, iovec, s, true);  in io_write()
969 		ret = io_setup_async_rw(req, iovec, s, false);  in io_write()
978 	if (iovec)  in io_write()
979 		kfree(iovec);  in io_write()