28 static bool is_empty_dir(struct ctl_table_header *head)  in is_empty_dir()
73 static void drop_sysctl_table(struct ctl_table_header *header);
74 static int sysctl_follow_link(struct ctl_table_header **phead,
76 static int insert_links(struct ctl_table_header *head);
77 static void put_links(struct ctl_table_header *header);
102 static struct ctl_table *find_entry(struct ctl_table_header **phead,  in find_entry()
105 	struct ctl_table_header *head;  in find_entry()
133 static int insert_entry(struct ctl_table_header *head, struct ctl_table *entry)  in insert_entry()
142 		struct ctl_table_header *parent_head;  in insert_entry()
172 static void erase_entry(struct ctl_table_header *head, struct ctl_table *entry)  in erase_entry()
179 static void init_header(struct ctl_table_header *head,  in init_header()
200 static void erase_header(struct ctl_table_header *head)  in erase_header()
207 static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)  in insert_header()
246 static int use_table(struct ctl_table_header *p)  in use_table()
255 static void unuse_table(struct ctl_table_header *p)  in unuse_table()
263 static void start_unregistering(struct ctl_table_header *p)  in start_unregistering()
287 static void sysctl_head_get(struct ctl_table_header *head)  in sysctl_head_get()
294 void sysctl_head_put(struct ctl_table_header *head)  in sysctl_head_put()
302 static struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head)  in sysctl_head_grab()
312 static void sysctl_head_finish(struct ctl_table_header *head)  in sysctl_head_finish()
330 static struct ctl_table *lookup_entry(struct ctl_table_header **phead,  in lookup_entry()
334 	struct ctl_table_header *head;  in lookup_entry()
360 	struct ctl_table_header **phead, struct ctl_table **pentry)  in first_entry()
362 	struct ctl_table_header *head = NULL;  in first_entry()
377 static void next_entry(struct ctl_table_header **phead, struct ctl_table **pentry)  in next_entry()
379 	struct ctl_table_header *head = *phead;  in next_entry()
417 static int sysctl_perm(struct ctl_table_header *head, struct ctl_table *table, int op)  in sysctl_perm()
431 		struct ctl_table_header *head, struct ctl_table *table)  in proc_sys_make_inode()
464 static struct ctl_table_header *grab_header(struct inode *inode)  in grab_header()
466 	struct ctl_table_header *head = PROC_I(inode)->sysctl;  in grab_header()
475 	struct ctl_table_header *head = grab_header(dir);  in proc_sys_lookup()
476 	struct ctl_table_header *h = NULL;  in proc_sys_lookup()
520 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_call_handler()
566 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_open()
584 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_poll()
615 				struct ctl_table_header *head,  in proc_sys_fill_cache()
653 				    struct ctl_table_header *head,  in proc_sys_link_fill_cache()
672 static int scan(struct ctl_table_header *head, struct ctl_table *table,  in scan()
694 	struct ctl_table_header *head = grab_header(file_inode(file));  in proc_sys_readdir()
695 	struct ctl_table_header *h = NULL;  in proc_sys_readdir()
726 	struct ctl_table_header *head;  in proc_sys_permission()
768 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_getattr()
821 static int sysctl_is_seen(struct ctl_table_header *p)  in sysctl_is_seen()
839 	struct ctl_table_header *head;  in proc_sys_compare()
865 	struct ctl_table_header *head;  in find_subdir()
977 static int sysctl_follow_link(struct ctl_table_header **phead,  in sysctl_follow_link()
980 	struct ctl_table_header *head;  in sysctl_follow_link()
1057 static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table *table,  in new_links()
1061 	struct ctl_table_header *links;  in new_links()
1073 	links = kzalloc(sizeof(struct ctl_table_header) +  in new_links()
1103 	struct ctl_table_header *head;  in get_links()
1128 static int insert_links(struct ctl_table_header *head)  in insert_links()
1132 	struct ctl_table_header *links;  in insert_links()
1211 struct ctl_table_header *__register_sysctl_table(  in __register_sysctl_table()
1216 	struct ctl_table_header *header;  in __register_sysctl_table()
1226 	header = kzalloc(sizeof(struct ctl_table_header) +  in __register_sysctl_table()
1288 struct ctl_table_header *register_sysctl(const char *path, struct ctl_table *table)  in register_sysctl()
1328 	struct ctl_table_header ***subheader, struct ctl_table_set *set,  in register_leaf_sysctl_tables()
1364 		struct ctl_table_header *header;  in register_leaf_sysctl_tables()
1412 struct ctl_table_header *__register_sysctl_paths(  in __register_sysctl_paths()
1418 	struct ctl_table_header *header = NULL, **subheaders, **subheader;  in __register_sysctl_paths()
1448 		subheaders = (struct ctl_table_header **) (header + 1);  in __register_sysctl_paths()
1463 		struct ctl_table_header *subh = *(--subheader);  in __register_sysctl_paths()
1483 struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path,  in register_sysctl_paths()
1500 struct ctl_table_header *register_sysctl_table(struct ctl_table *table)  in register_sysctl_table()
1508 static void put_links(struct ctl_table_header *header)  in put_links()
1524 		struct ctl_table_header *link_head;  in put_links()
1542 static void drop_sysctl_table(struct ctl_table_header *header)  in drop_sysctl_table()
1565 void unregister_sysctl_table(struct ctl_table_header * header)  in unregister_sysctl_table()
1575 		struct ctl_table_header **subheaders;  in unregister_sysctl_table()
1578 		subheaders = (struct ctl_table_header **)(header + 1);  in unregister_sysctl_table()
1580 			struct ctl_table_header *subh = subheaders[i];  in unregister_sysctl_table()