* may change due to concurrent writes.
*/
size_t (*packet_avail_size)(struct channel *chan);
- wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan);
+ wait_queue_head_t *(*get_writer_buf_wait_queue)(struct channel *chan, int cpu);
wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan);
int (*is_finalized)(struct channel *chan);
int (*is_disabled)(struct channel *chan);