- void hit_inode(utime_t now, CInode *in, int type, int who=-1);
- void hit_dir(utime_t now, CDir *dir, int type, int who=-1, double amount=1.0);
+ void hit_inode(const utime_t& now, CInode *in, int type, int who=-1);
+ void hit_dir(const utime_t& now, CDir *dir, int type, int who=-1, double amount=1.0);