void bsd_untimeout(void (*)(void *), void *arg);
void set_fsblocksize(struct vnode *);
uint64_t tvtoabstime(struct timeval *);
+uint64_t tstoabstime(struct timespec *);
void *throttle_info_create(void);
void throttle_info_mount_ref(mount_t mp, void * throttle_info);
void throttle_info_mount_rel(mount_t mp);