181 	struct kvec *tail = xdr->tail;  in xdr_inline_pages()  local
191 	tail->iov_base = buf + offset;  in xdr_inline_pages()
192 	tail->iov_len = buflen - offset;  in xdr_inline_pages()
194 		tail->iov_len -= sizeof(__be32);  in xdr_inline_pages()
365 	struct kvec *head, *tail;  in xdr_shrink_bufhead()  local
371 	tail = buf->tail;  in xdr_shrink_bufhead()
379 	if (tail->iov_len != 0) {  in xdr_shrink_bufhead()
380 		if (tail->iov_len > len) {  in xdr_shrink_bufhead()
381 			copy = tail->iov_len - len;  in xdr_shrink_bufhead()
382 			memmove((char *)tail->iov_base + len,  in xdr_shrink_bufhead()
383 					tail->iov_base, copy);  in xdr_shrink_bufhead()
391 		if (offs >= tail->iov_len)  in xdr_shrink_bufhead()
393 		else if (copy > tail->iov_len - offs)  in xdr_shrink_bufhead()
394 			copy = tail->iov_len - offs;  in xdr_shrink_bufhead()
396 			_copy_from_pages((char *)tail->iov_base + offs,  in xdr_shrink_bufhead()
405 			if (copy > tail->iov_len)  in xdr_shrink_bufhead()
406 				copy = tail->iov_len;  in xdr_shrink_bufhead()
407 			memcpy(tail->iov_base,  in xdr_shrink_bufhead()
450 	struct kvec *tail;  in xdr_shrink_pagelen()  local
457 	tail = buf->tail;  in xdr_shrink_pagelen()
464 		unsigned int free_space = tailbuf_len - tail->iov_len;  in xdr_shrink_pagelen()
468 		tail->iov_len += free_space;  in xdr_shrink_pagelen()
471 		if (tail->iov_len > len) {  in xdr_shrink_pagelen()
472 			char *p = (char *)tail->iov_base + len;  in xdr_shrink_pagelen()
473 			memmove(p, tail->iov_base, tail->iov_len - len);  in xdr_shrink_pagelen()
474 			result += tail->iov_len - len;  in xdr_shrink_pagelen()
476 			copy = tail->iov_len;  in xdr_shrink_pagelen()
478 		_copy_from_pages((char *)tail->iov_base,  in xdr_shrink_pagelen()
527 	int scratch_len = buf->buflen - buf->page_len - buf->tail[0].iov_len;  in xdr_init_encode()
675 	struct kvec *tail = buf->tail;  in xdr_truncate_encode()  local
685 	fraglen = min_t(int, buf->len - len, tail->iov_len);  in xdr_truncate_encode()
686 	tail->iov_len -= fraglen;  in xdr_truncate_encode()
688 	if (tail->iov_len) {  in xdr_truncate_encode()
689 		xdr->p = tail->iov_base + tail->iov_len;  in xdr_truncate_encode()
762 	struct kvec *iov = buf->tail;  in xdr_write_pages()
837 		xdr_set_iov(xdr, xdr->buf->tail, xdr->nwords << 2);  in xdr_set_next_page()
846 			xdr_set_iov(xdr, xdr->buf->tail, xdr->nwords << 2);  in xdr_set_next_buffer()
1043 	xdr->iov = iov = buf->tail;  in xdr_read_pages()
1089 	buf->tail[0] = empty_iov;  in xdr_buf_from_iov()
1137 	if (base < buf->tail[0].iov_len) {  in xdr_buf_subsegment()
1138 		subbuf->tail[0].iov_base = buf->tail[0].iov_base + base;  in xdr_buf_subsegment()
1139 		subbuf->tail[0].iov_len = min_t(unsigned int, len,  in xdr_buf_subsegment()
1140 						buf->tail[0].iov_len - base);  in xdr_buf_subsegment()
1141 		len -= subbuf->tail[0].iov_len;  in xdr_buf_subsegment()
1144 		base -= buf->tail[0].iov_len;  in xdr_buf_subsegment()
1145 		subbuf->tail[0].iov_len = 0;  in xdr_buf_subsegment()
1167 	this_len = min_t(unsigned int, len, subbuf->tail[0].iov_len);  in __read_bytes_from_xdr_buf()
1168 	memcpy(obj, subbuf->tail[0].iov_base, this_len);  in __read_bytes_from_xdr_buf()
1198 	this_len = min_t(unsigned int, len, subbuf->tail[0].iov_len);  in __write_bytes_to_xdr_buf()
1199 	memcpy(subbuf->tail[0].iov_base, obj, this_len);  in __write_bytes_to_xdr_buf()
1278 	mic->data = subbuf.tail[0].iov_base;  in xdr_buf_read_mic()
1279 	if (subbuf.tail[0].iov_len == mic->len)  in xdr_buf_read_mic()
1285 	if (buf->tail[0].iov_len != 0)  in xdr_buf_read_mic()
1286 		mic->data = buf->tail[0].iov_base + buf->tail[0].iov_len;  in xdr_buf_read_mic()
1457 		c = buf->tail->iov_base + base;  in xdr_xcode_array2()
1505 	    buf->head->iov_len + buf->page_len + buf->tail->iov_len)  in xdr_encode_array2()
1564 	if (offset < buf->tail[0].iov_len) {  in xdr_process_buf()
1565 		thislen = buf->tail[0].iov_len - offset;  in xdr_process_buf()
1568 		sg_set_buf(sg, buf->tail[0].iov_base + offset, thislen);  in xdr_process_buf()