unsigned long consumed);
extern void lib_ring_buffer_put_subbuf(struct lib_ring_buffer *buf);
+void lib_ring_buffer_set_quiescent_channel(struct channel *chan);
+void lib_ring_buffer_clear_quiescent_channel(struct channel *chan);
+
/*
* lib_ring_buffer_get_next_subbuf/lib_ring_buffer_put_next_subbuf are helpers
* to read sub-buffers sequentially.