187 				  size_t length);
193  *	@length: number of bytes to write
204 			       size_t length)  in relay_write()  argument
211 	if (unlikely(buf->offset + length > chan->subbuf_size))  in relay_write()
212 		length = relay_switch_subbuf(buf, length);  in relay_write()
213 	memcpy(buf->data + buf->offset, data, length);  in relay_write()
214 	buf->offset += length;  in relay_write()
222  *	@length: number of bytes to write
232 				 size_t length)  in __relay_write()  argument
237 	if (unlikely(buf->offset + length > buf->chan->subbuf_size))  in __relay_write()
238 		length = relay_switch_subbuf(buf, length);  in __relay_write()
239 	memcpy(buf->data + buf->offset, data, length);  in __relay_write()
240 	buf->offset += length;  in __relay_write()
247  *	@length: number of bytes to reserve
255 static inline void *relay_reserve(struct rchan *chan, size_t length)  in relay_reserve()  argument
260 	if (unlikely(buf->offset + length > buf->chan->subbuf_size)) {  in relay_reserve()
261 		length = relay_switch_subbuf(buf, length);  in relay_reserve()
262 		if (!length)  in relay_reserve()
266 	buf->offset += length;  in relay_reserve()
276  *	@length: number of bytes to reserve
282 					size_t length)  in subbuf_start_reserve()  argument
284 	BUG_ON(length >= buf->chan->subbuf_size - 1);  in subbuf_start_reserve()
285 	buf->offset = length;  in subbuf_start_reserve()