int check_filter_arg(char *filter_arg, void **conf);
void filter_post_select(__a_unused struct sched *s, struct task *t);
void print_filter_helps(int detailed);
-int prepare_filter_node(struct btr_node *btrn, size_t min_len);
+int prepare_filter_node(struct filter_node *fn);
+void generic_filter_pre_select(struct sched *s, struct task *t);
static inline void write_int16_host_endian(char *buf, int val)
{