extern void update_rusage_stat(struct thread_data *);
extern void setup_log(struct io_log **, unsigned long, int, int, const char *);
extern void __finish_log(struct io_log *);
extern void update_rusage_stat(struct thread_data *);
extern void setup_log(struct io_log **, unsigned long, int, int, const char *);
extern void __finish_log(struct io_log *);