-struct trace_descriptor *bt_dummy_open_trace(const char *collection_path,
- const char *path, int flags,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+struct trace_descriptor *bt_dummy_open_trace(const char *path, int flags,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,