174 				  size_t length);
191 			       size_t length)  in relay_write()  argument
198 	if (unlikely(buf->offset + length > chan->subbuf_size))  in relay_write()
199 		length = relay_switch_subbuf(buf, length);  in relay_write()
200 	memcpy(buf->data + buf->offset, data, length);  in relay_write()
201 	buf->offset += length;  in relay_write()
219 				 size_t length)  in __relay_write()  argument
224 	if (unlikely(buf->offset + length > buf->chan->subbuf_size))  in __relay_write()
225 		length = relay_switch_subbuf(buf, length);  in __relay_write()
226 	memcpy(buf->data + buf->offset, data, length);  in __relay_write()
227 	buf->offset += length;  in __relay_write()
242 static inline void *relay_reserve(struct rchan *chan, size_t length)  in relay_reserve()  argument
247 	if (unlikely(buf->offset + length > buf->chan->subbuf_size)) {  in relay_reserve()
248 		length = relay_switch_subbuf(buf, length);  in relay_reserve()
249 		if (!length)  in relay_reserve()
253 	buf->offset += length;  in relay_reserve()
269 					size_t length)  in subbuf_start_reserve()  argument
271 	BUG_ON(length >= buf->chan->subbuf_size - 1);  in subbuf_start_reserve()
272 	buf->offset = length;  in subbuf_start_reserve()