713 	struct iovec			fast_iov[UIO_FASTIOV];  member
722 	struct iovec			fast_iov[UIO_FASTIOV];  member
3347 			  const struct iovec *fast_iov, struct iov_iter *iter)  in io_req_map_rw()  argument
3360 		rw->iter.iov = rw->fast_iov;  in io_req_map_rw()
3361 		if (iter->iov != fast_iov) {  in io_req_map_rw()
3362 			iov_off = iter->iov - fast_iov;  in io_req_map_rw()
3365 		if (rw->fast_iov != fast_iov)  in io_req_map_rw()
3366 			memcpy(rw->fast_iov + iov_off, fast_iov + iov_off,  in io_req_map_rw()
3381 			     const struct iovec *fast_iov,  in io_setup_async_rw()  argument
3394 		io_req_map_rw(req, iovec, fast_iov, iter);  in io_setup_async_rw()
3405 	struct iovec *iov = iorw->fast_iov;  in io_rw_prep_async()
4644 		async_msg->msg.msg_iter.iov = async_msg->fast_iov;  in io_setup_async_msg()
4653 	iomsg->free_iov = iomsg->fast_iov;  in io_sendmsg_copy_hdr()
4792 		if (copy_from_user(iomsg->fast_iov, uiov, sizeof(*uiov)))  in __io_recvmsg_copy_hdr()
4794 		sr->len = iomsg->fast_iov[0].iov_len;  in __io_recvmsg_copy_hdr()
4797 		iomsg->free_iov = iomsg->fast_iov;  in __io_recvmsg_copy_hdr()
4838 		iomsg->free_iov = iomsg->fast_iov;  in __io_compat_recvmsg_copy_hdr()
4944 		kmsg->fast_iov[0].iov_base = u64_to_user_ptr(kbuf->addr);  in io_recvmsg()
4945 		kmsg->fast_iov[0].iov_len = req->sr_msg.len;  in io_recvmsg()
4946 		iov_iter_init(&kmsg->msg.msg_iter, READ, kmsg->fast_iov,  in io_recvmsg()