15 	size_t left;					\
21 		left = (STEP);				\
22 		__v.iov_len -= left;			\
26 		left = 0;				\
28 	while (unlikely(!left && n)) {			\
34 		left = (STEP);				\
35 		__v.iov_len -= left;			\
159 	size_t skip, copy, left, wanted;  in copy_page_to_iter_iovec()  local
182 		left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
183 		copy -= left;  in copy_page_to_iter_iovec()
188 		while (unlikely(!left && bytes)) {  in copy_page_to_iter_iovec()
192 			left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
193 			copy -= left;  in copy_page_to_iter_iovec()
211 	left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
212 	copy -= left;  in copy_page_to_iter_iovec()
216 	while (unlikely(!left && bytes)) {  in copy_page_to_iter_iovec()
220 		left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
221 		copy -= left;  in copy_page_to_iter_iovec()
243 	size_t skip, copy, left, wanted;  in copy_page_from_iter_iovec()  local
266 		left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
267 		copy -= left;  in copy_page_from_iter_iovec()
272 		while (unlikely(!left && bytes)) {  in copy_page_from_iter_iovec()
276 			left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
277 			copy -= left;  in copy_page_from_iter_iovec()
295 	left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
296 	copy -= left;  in copy_page_from_iter_iovec()
300 	while (unlikely(!left && bytes)) {  in copy_page_from_iter_iovec()
304 		left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
305 		copy -= left;  in copy_page_from_iter_iovec()
501 	ssize_t left;  in push_pipe()  local
508 	left = size;  in push_pipe()
513 		left -= PAGE_SIZE - off;  in push_pipe()
514 		if (left <= 0) {  in push_pipe()
529 		if (left <= PAGE_SIZE) {  in push_pipe()
530 			pipe->bufs[idx].len = left;  in push_pipe()
534 		left -= PAGE_SIZE;  in push_pipe()
537 	return size - left;  in push_pipe()
1014 		size_t off = i->iov_offset, left = size;  in pipe_advance()  local
1017 			left += off - pipe->bufs[idx].offset;  in pipe_advance()
1020 			if (left <= buf->len)  in pipe_advance()
1022 			left -= buf->len;  in pipe_advance()
1026 		i->iov_offset = buf->offset + left;  in pipe_advance()