776  *	relay_subbufs_consumed - update the buffer's sub-buffers-consumed count
781  *	Adds to the channel buffer's consumed sub-buffer count.
782  *	subbufs_consumed should be the number of sub-buffers newly consumed,
783  *	not the total consumed.
937  *	relay_file_read_consume - update the consumed count for the buffer
978 	size_t consumed = buf->subbufs_consumed;  in relay_file_read_avail()  local
982 	consumed = buf->subbufs_consumed;  in relay_file_read_avail()
985 		if (produced == consumed)  in relay_file_read_avail()
990 	if (unlikely(produced - consumed >= n_subbufs)) {  in relay_file_read_avail()
991 		consumed = produced - n_subbufs + 1;  in relay_file_read_avail()
992 		buf->subbufs_consumed = consumed;  in relay_file_read_avail()
997 	consumed = (consumed % n_subbufs) * subbuf_size + buf->bytes_consumed;  in relay_file_read_avail()
999 	if (consumed > produced)  in relay_file_read_avail()
1002 	if (consumed == produced) {  in relay_file_read_avail()
1054 	size_t consumed = buf->subbufs_consumed % n_subbufs;  in relay_file_read_start_pos()  local
1057 		read_pos = consumed * subbuf_size + buf->bytes_consumed;  in relay_file_read_start_pos()