181 #define sk_msg_iter_prev(msg, which)			\  argument
182 	sk_msg_iter_var_prev(msg->sg.which)
184 #define sk_msg_iter_next(msg, which)			\  argument
185 	sk_msg_iter_var_next(msg->sg.which)
195 			       int which, u32 size)  in sk_msg_xfer()  argument
197 	dst->sg.data[which] = src->sg.data[which];  in sk_msg_xfer()
198 	dst->sg.data[which].length  = size;  in sk_msg_xfer()
201 	src->sg.data[which].length -= size;  in sk_msg_xfer()
202 	src->sg.data[which].offset += size;  in sk_msg_xfer()
221 static inline struct scatterlist *sk_msg_elem(struct sk_msg *msg, int which)  in sk_msg_elem()  argument
223 	return &msg->sg.data[which];  in sk_msg_elem()
226 static inline struct scatterlist sk_msg_elem_cpy(struct sk_msg *msg, int which)  in sk_msg_elem_cpy()  argument
228 	return msg->sg.data[which];  in sk_msg_elem_cpy()
231 static inline struct page *sk_msg_page(struct sk_msg *msg, int which)  in sk_msg_page()  argument
233 	return sg_page(sk_msg_elem(msg, which));  in sk_msg_page()