+
+extern struct mutex audit_filter_mutex;
+extern void audit_free_rule_rcu(struct rcu_head *);
+
+#ifdef CONFIG_AUDIT_TREE
+extern struct audit_chunk *audit_tree_lookup(const struct inode *);
+extern void audit_put_chunk(struct audit_chunk *);
+extern int audit_tree_match(struct audit_chunk *, struct audit_tree *);
+extern int audit_make_tree(struct audit_krule *, char *, u32);
+extern int audit_add_tree_rule(struct audit_krule *);
+extern int audit_remove_tree_rule(struct audit_krule *);
+extern void audit_trim_trees(void);
+extern int audit_tag_tree(char *old, char *new);
+extern void audit_schedule_prune(void);
+extern void audit_prune_trees(void);
+extern const char *audit_tree_path(struct audit_tree *);
+extern void audit_put_tree(struct audit_tree *);
+#else
+#define audit_remove_tree_rule(rule) BUG()
+#define audit_add_tree_rule(rule) -EINVAL
+#define audit_make_tree(rule, str, op) -EINVAL
+#define audit_trim_trees() (void)0
+#define audit_put_tree(tree) (void)0
+#define audit_tag_tree(old, new) -EINVAL
+#define audit_tree_path(rule) "" /* never called */
+#endif
+
+extern char *audit_unpack_string(void **, size_t *, size_t);
+
+#ifdef CONFIG_AUDITSYSCALL
+extern int __audit_signal_info(int sig, struct task_struct *t);
+static inline int audit_signal_info(int sig, struct task_struct *t)
+{
+ if (unlikely((audit_pid && t->tgid == audit_pid) ||
+ (audit_signals && !audit_dummy_context())))
+ return __audit_signal_info(sig, t);
+ return 0;
+}
+extern enum audit_state audit_filter_inodes(struct task_struct *,
+ struct audit_context *);
+extern void audit_set_auditable(struct audit_context *);
+#else
+#define audit_signal_info(s,t) AUDIT_DISABLED
+#define audit_filter_inodes(t,c) AUDIT_DISABLED
+#define audit_set_auditable(c)
+#endif