327 xs_alloc_sparse_pages(struct xdr_buf *buf, size_t want, gfp_t gfp)  in xs_alloc_sparse_pages()  argument
331 	if (!want || !(buf->flags & XDRBUF_SPARSE_PAGES))  in xs_alloc_sparse_pages()
332 		return want;  in xs_alloc_sparse_pages()
333 	n = (buf->page_base + want + PAGE_SIZE - 1) >> PAGE_SHIFT;  in xs_alloc_sparse_pages()
343 	return want;  in xs_alloc_sparse_pages()
405 	size_t want, seek_init = seek, offset = 0;  in xs_read_xdr_buf()  local
408 	want = min_t(size_t, count, buf->head[0].iov_len);  in xs_read_xdr_buf()
409 	if (seek < want) {  in xs_read_xdr_buf()
410 		ret = xs_read_kvec(sock, msg, flags, &buf->head[0], want, seek);  in xs_read_xdr_buf()
416 		if (ret != want)  in xs_read_xdr_buf()
420 		seek -= want;  in xs_read_xdr_buf()
421 		offset += want;  in xs_read_xdr_buf()
424 	want = xs_alloc_sparse_pages(buf,  in xs_read_xdr_buf()
427 	if (seek < want) {  in xs_read_xdr_buf()
430 				want + buf->page_base,  in xs_read_xdr_buf()
439 		if (ret != want)  in xs_read_xdr_buf()
443 		seek -= want;  in xs_read_xdr_buf()
444 		offset += want;  in xs_read_xdr_buf()
447 	want = min_t(size_t, count - offset, buf->tail[0].iov_len);  in xs_read_xdr_buf()
448 	if (seek < want) {  in xs_read_xdr_buf()
449 		ret = xs_read_kvec(sock, msg, flags, &buf->tail[0], want, seek);  in xs_read_xdr_buf()
455 		if (ret != want)  in xs_read_xdr_buf()
499 	size_t want, read;  in xs_read_stream_request()  local
504 	want = transport->recv.len - transport->recv.offset;  in xs_read_stream_request()
505 	if (want != 0) {  in xs_read_stream_request()
507 				transport->recv.copied + want,  in xs_read_stream_request()
517 	if (want == 0)  in xs_read_stream_request()
543 		int flags, size_t want, size_t seek)  in xs_read_stream_header()  argument
547 		.iov_len = want,  in xs_read_stream_header()
549 	return xs_read_kvec(transport->sock, msg, flags, &kvec, want, seek);  in xs_read_stream_header()
619 	size_t want, read = 0;  in xs_read_stream()  local
623 		want = xs_read_stream_headersize(transport->recv.copied != 0);  in xs_read_stream()
624 		ret = xs_read_stream_header(transport, &msg, flags, want,  in xs_read_stream()
629 		if (transport->recv.offset != want)  in xs_read_stream()
823 	unsigned int want;  in xs_sendpages()  local
829 	want = xdr->head[0].iov_len + rmsize;  in xs_sendpages()
830 	if (base < want) {  in xs_sendpages()
831 		unsigned int len = want - base;  in xs_sendpages()
845 		base -= want;  in xs_sendpages()