int cfs_trace_daemon_command(char *str);
int cfs_trace_daemon_command_usrstr(void __user *usr_str, int usr_str_nob);
int cfs_trace_set_debug_mb(int mb);
-int cfs_trace_set_debug_mb_usrstr(void __user *usr_str, int usr_str_nob);
int cfs_trace_get_debug_mb(void);
extern void libcfs_debug_dumplog_internal(void *arg);