37 static bool is_empty_dir(struct ctl_table_header *head)  in is_empty_dir()
82 static void drop_sysctl_table(struct ctl_table_header *header);
83 static int sysctl_follow_link(struct ctl_table_header **phead,
85 static int insert_links(struct ctl_table_header *head);
86 static void put_links(struct ctl_table_header *header);
111 static struct ctl_table *find_entry(struct ctl_table_header **phead,  in find_entry()
114 	struct ctl_table_header *head;  in find_entry()
142 static int insert_entry(struct ctl_table_header *head, struct ctl_table *entry)  in insert_entry()
151 		struct ctl_table_header *parent_head;  in insert_entry()
181 static void erase_entry(struct ctl_table_header *head, struct ctl_table *entry)  in erase_entry()
188 static void init_header(struct ctl_table_header *head,  in init_header()
210 static void erase_header(struct ctl_table_header *head)  in erase_header()
217 static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)  in insert_header()
256 static int use_table(struct ctl_table_header *p)  in use_table()
265 static void unuse_table(struct ctl_table_header *p)  in unuse_table()
272 static void proc_sys_invalidate_dcache(struct ctl_table_header *head)  in proc_sys_invalidate_dcache()
278 static void start_unregistering(struct ctl_table_header *p)  in start_unregistering()
308 static struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head)  in sysctl_head_grab()
318 static void sysctl_head_finish(struct ctl_table_header *head)  in sysctl_head_finish()
336 static struct ctl_table *lookup_entry(struct ctl_table_header **phead,  in lookup_entry()
340 	struct ctl_table_header *head;  in lookup_entry()
366 	struct ctl_table_header **phead, struct ctl_table **pentry)  in first_entry()
368 	struct ctl_table_header *head = NULL;  in first_entry()
383 static void next_entry(struct ctl_table_header **phead, struct ctl_table **pentry)  in next_entry()
385 	struct ctl_table_header *head = *phead;  in next_entry()
419 static int sysctl_perm(struct ctl_table_header *head, struct ctl_table *table, int op)  in sysctl_perm()
433 		struct ctl_table_header *head, struct ctl_table *table)  in proc_sys_make_inode()
483 void proc_sys_evict_inode(struct inode *inode, struct ctl_table_header *head)  in proc_sys_evict_inode()
492 static struct ctl_table_header *grab_header(struct inode *inode)  in grab_header()
494 	struct ctl_table_header *head = PROC_I(inode)->sysctl;  in grab_header()
503 	struct ctl_table_header *head = grab_header(dir);  in proc_sys_lookup()
504 	struct ctl_table_header *h = NULL;  in proc_sys_lookup()
548 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_call_handler()
622 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_open()
640 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_poll()
671 				struct ctl_table_header *head,  in proc_sys_fill_cache()
720 				    struct ctl_table_header *head,  in proc_sys_link_fill_cache()
739 static int scan(struct ctl_table_header *head, struct ctl_table *table,  in scan()
761 	struct ctl_table_header *head = grab_header(file_inode(file));  in proc_sys_readdir()
762 	struct ctl_table_header *h = NULL;  in proc_sys_readdir()
794 	struct ctl_table_header *head;  in proc_sys_permission()
837 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_getattr()
892 static int sysctl_is_seen(struct ctl_table_header *p)  in sysctl_is_seen()
910 	struct ctl_table_header *head;  in proc_sys_compare()
936 	struct ctl_table_header *head;  in find_subdir()
1048 static int sysctl_follow_link(struct ctl_table_header **phead,  in sysctl_follow_link()
1051 	struct ctl_table_header *head;  in sysctl_follow_link()
1145 static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table *table,  in new_links()
1149 	struct ctl_table_header *links;  in new_links()
1161 	links = kzalloc(sizeof(struct ctl_table_header) +  in new_links()
1191 	struct ctl_table_header *head;  in get_links()
1216 static int insert_links(struct ctl_table_header *head)  in insert_links()
1220 	struct ctl_table_header *links;  in insert_links()
1299 struct ctl_table_header *__register_sysctl_table(  in __register_sysctl_table()
1304 	struct ctl_table_header *header;  in __register_sysctl_table()
1314 	header = kzalloc(sizeof(struct ctl_table_header) +  in __register_sysctl_table()
1376 struct ctl_table_header *register_sysctl(const char *path, struct ctl_table *table)  in register_sysctl()
1416 	struct ctl_table_header ***subheader, struct ctl_table_set *set,  in register_leaf_sysctl_tables()
1452 		struct ctl_table_header *header;  in register_leaf_sysctl_tables()
1500 struct ctl_table_header *__register_sysctl_paths(  in __register_sysctl_paths()
1506 	struct ctl_table_header *header = NULL, **subheaders, **subheader;  in __register_sysctl_paths()
1536 		subheaders = (struct ctl_table_header **) (header + 1);  in __register_sysctl_paths()
1551 		struct ctl_table_header *subh = *(--subheader);  in __register_sysctl_paths()
1571 struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path,  in register_sysctl_paths()
1588 struct ctl_table_header *register_sysctl_table(struct ctl_table *table)  in register_sysctl_table()
1596 static void put_links(struct ctl_table_header *header)  in put_links()
1612 		struct ctl_table_header *link_head;  in put_links()
1630 static void drop_sysctl_table(struct ctl_table_header *header)  in drop_sysctl_table()
1656 void unregister_sysctl_table(struct ctl_table_header * header)  in unregister_sysctl_table()
1666 		struct ctl_table_header **subheaders;  in unregister_sysctl_table()
1669 		subheaders = (struct ctl_table_header **)(header + 1);  in unregister_sysctl_table()
1671 			struct ctl_table_header *subh = subheaders[i];  in unregister_sysctl_table()