41 	struct rchan *chan;		/* associated channel */  member
162 extern int relay_late_setup_files(struct rchan *chan,
165 extern void relay_close(struct rchan *chan);
166 extern void relay_flush(struct rchan *chan);
167 extern void relay_subbufs_consumed(struct rchan *chan,
170 extern void relay_reset(struct rchan *chan);
189 static inline void relay_write(struct rchan *chan,  in relay_write()  argument
197 	buf = *this_cpu_ptr(chan->buf);  in relay_write()
198 	if (unlikely(buf->offset + length > chan->subbuf_size))  in relay_write()
217 static inline void __relay_write(struct rchan *chan,  in __relay_write()  argument
223 	buf = *get_cpu_ptr(chan->buf);  in __relay_write()
224 	if (unlikely(buf->offset + length > buf->chan->subbuf_size))  in __relay_write()
228 	put_cpu_ptr(chan->buf);  in __relay_write()
242 static inline void *relay_reserve(struct rchan *chan, size_t length)  in relay_reserve()  argument
245 	struct rchan_buf *buf = *get_cpu_ptr(chan->buf);  in relay_reserve()
247 	if (unlikely(buf->offset + length > buf->chan->subbuf_size)) {  in relay_reserve()
256 	put_cpu_ptr(chan->buf);  in relay_reserve()
271 	BUG_ON(length >= buf->chan->subbuf_size - 1);  in subbuf_start_reserve()