extern void zfs_zevent_drain_all(int *);
extern int zfs_zevent_fd_hold(int, minor_t *, zfs_zevent_t **);
extern void zfs_zevent_fd_rele(int);
-extern int zfs_zevent_next(zfs_zevent_t *, nvlist_t **, uint64_t *);
+extern int zfs_zevent_next(zfs_zevent_t *, nvlist_t **, uint64_t *, uint64_t *);
extern int zfs_zevent_wait(zfs_zevent_t *);
extern void zfs_zevent_init(zfs_zevent_t **);
extern void zfs_zevent_destroy(zfs_zevent_t *);