67 	struct iovec __user *uiov;  in io_iov_buffer_select_prep()
68 	struct iovec iov;  in io_iov_buffer_select_prep()
373 static struct iovec *__io_import_iovec(int ddir, struct io_kiocb *req,  in __io_import_iovec()
380 	struct iovec *iovec;  in __io_import_iovec()  local
411 	iovec = s->fast_iov;  in __io_import_iovec()
412 	ret = __import_iovec(ddir, buf, sqe_len, UIO_FASTIOV, &iovec, iter,  in __io_import_iovec()
416 	return iovec;  in __io_import_iovec()
420 				  struct iovec **iovec, struct io_rw_state *s,  in io_import_iovec()  argument
423 	*iovec = __io_import_iovec(rw, req, s, issue_flags);  in io_import_iovec()
424 	if (IS_ERR(*iovec))  in io_import_iovec()
425 		return PTR_ERR(*iovec);  in io_import_iovec()
502 static void io_req_map_rw(struct io_kiocb *req, const struct iovec *iovec,  in io_req_map_rw()  argument
503 			  const struct iovec *fast_iov, struct iov_iter *iter)  in io_req_map_rw()
508 	io->free_iovec = iovec;  in io_req_map_rw()
513 	if (!iovec) {  in io_req_map_rw()
523 			       sizeof(struct iovec) * iter->nr_segs);  in io_req_map_rw()
529 static int io_setup_async_rw(struct io_kiocb *req, const struct iovec *iovec,  in io_setup_async_rw()  argument
538 			kfree(iovec);  in io_setup_async_rw()
542 		io_req_map_rw(req, iovec, s->fast_iov, &s->iter);  in io_setup_async_rw()
553 	struct iovec *iov;  in io_rw_prep_async()
723 	struct iovec *iovec;  in __io_read()  local
731 		ret = io_import_iovec(ITER_DEST, req, &iovec, s, issue_flags);  in __io_read()
743 			ret = io_import_iovec(ITER_DEST, req, &iovec, s, issue_flags);  in __io_read()
754 		iovec = NULL;  in __io_read()
758 		kfree(iovec);  in __io_read()
766 			ret = io_setup_async_rw(req, iovec, s, true);  in __io_read()
779 		kfree(iovec);  in __io_read()
808 		if (iovec)  in __io_read()
809 			kfree(iovec);  in __io_read()
824 	ret2 = io_setup_async_rw(req, iovec, s, true);  in __io_read()
825 	iovec = NULL;  in __io_read()
875 	if (iovec)  in __io_read()
876 		kfree(iovec);  in __io_read()
914 	struct iovec *iovec;  in io_write()  local
921 		ret = io_import_iovec(ITER_SOURCE, req, &iovec, s, issue_flags);  in io_write()
929 		iovec = NULL;  in io_write()
933 		kfree(iovec);  in io_write()
959 		kfree(iovec);  in io_write()
1010 			ret = io_setup_async_rw(req, iovec, s, true);  in io_write()
1025 		ret = io_setup_async_rw(req, iovec, s, false);  in io_write()
1034 	if (iovec)  in io_write()
1035 		kfree(iovec);  in io_write()