1028 xdr_buf_subsegment(struct xdr_buf *buf, struct xdr_buf *subbuf,  in xdr_buf_subsegment()  argument
1031 	subbuf->buflen = subbuf->len = len;  in xdr_buf_subsegment()
1033 		subbuf->head[0].iov_base = buf->head[0].iov_base + base;  in xdr_buf_subsegment()
1034 		subbuf->head[0].iov_len = min_t(unsigned int, len,  in xdr_buf_subsegment()
1036 		len -= subbuf->head[0].iov_len;  in xdr_buf_subsegment()
1040 		subbuf->head[0].iov_len = 0;  in xdr_buf_subsegment()
1044 		subbuf->page_len = min(buf->page_len - base, len);  in xdr_buf_subsegment()
1046 		subbuf->page_base = base & ~PAGE_MASK;  in xdr_buf_subsegment()
1047 		subbuf->pages = &buf->pages[base >> PAGE_SHIFT];  in xdr_buf_subsegment()
1048 		len -= subbuf->page_len;  in xdr_buf_subsegment()
1052 		subbuf->page_len = 0;  in xdr_buf_subsegment()
1056 		subbuf->tail[0].iov_base = buf->tail[0].iov_base + base;  in xdr_buf_subsegment()
1057 		subbuf->tail[0].iov_len = min_t(unsigned int, len,  in xdr_buf_subsegment()
1059 		len -= subbuf->tail[0].iov_len;  in xdr_buf_subsegment()
1063 		subbuf->tail[0].iov_len = 0;  in xdr_buf_subsegment()
1113 static void __read_bytes_from_xdr_buf(struct xdr_buf *subbuf, void *obj, unsigned int len)  in __read_bytes_from_xdr_buf()  argument
1117 	this_len = min_t(unsigned int, len, subbuf->head[0].iov_len);  in __read_bytes_from_xdr_buf()
1118 	memcpy(obj, subbuf->head[0].iov_base, this_len);  in __read_bytes_from_xdr_buf()
1121 	this_len = min_t(unsigned int, len, subbuf->page_len);  in __read_bytes_from_xdr_buf()
1123 		_copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len);  in __read_bytes_from_xdr_buf()
1126 	this_len = min_t(unsigned int, len, subbuf->tail[0].iov_len);  in __read_bytes_from_xdr_buf()
1127 	memcpy(obj, subbuf->tail[0].iov_base, this_len);  in __read_bytes_from_xdr_buf()
1133 	struct xdr_buf subbuf;  in read_bytes_from_xdr_buf()  local
1136 	status = xdr_buf_subsegment(buf, &subbuf, base, len);  in read_bytes_from_xdr_buf()
1139 	__read_bytes_from_xdr_buf(&subbuf, obj, len);  in read_bytes_from_xdr_buf()
1144 static void __write_bytes_to_xdr_buf(struct xdr_buf *subbuf, void *obj, unsigned int len)  in __write_bytes_to_xdr_buf()  argument
1148 	this_len = min_t(unsigned int, len, subbuf->head[0].iov_len);  in __write_bytes_to_xdr_buf()
1149 	memcpy(subbuf->head[0].iov_base, obj, this_len);  in __write_bytes_to_xdr_buf()
1152 	this_len = min_t(unsigned int, len, subbuf->page_len);  in __write_bytes_to_xdr_buf()
1154 		_copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len);  in __write_bytes_to_xdr_buf()
1157 	this_len = min_t(unsigned int, len, subbuf->tail[0].iov_len);  in __write_bytes_to_xdr_buf()
1158 	memcpy(subbuf->tail[0].iov_base, obj, this_len);  in __write_bytes_to_xdr_buf()
1164 	struct xdr_buf subbuf;  in write_bytes_to_xdr_buf()  local
1167 	status = xdr_buf_subsegment(buf, &subbuf, base, len);  in write_bytes_to_xdr_buf()
1170 	__write_bytes_to_xdr_buf(&subbuf, obj, len);  in write_bytes_to_xdr_buf()
1204 	struct xdr_buf subbuf;  in xdr_buf_read_netobj()  local
1208 	if (xdr_buf_subsegment(buf, &subbuf, offset + 4, obj->len))  in xdr_buf_read_netobj()
1212 	obj->data = subbuf.head[0].iov_base;  in xdr_buf_read_netobj()
1213 	if (subbuf.head[0].iov_len == obj->len)  in xdr_buf_read_netobj()
1216 	obj->data = subbuf.tail[0].iov_base;  in xdr_buf_read_netobj()
1217 	if (subbuf.tail[0].iov_len == obj->len)  in xdr_buf_read_netobj()
1231 	__read_bytes_from_xdr_buf(&subbuf, obj->data, obj->len);  in xdr_buf_read_netobj()