30 static bool is_empty_dir(struct ctl_table_header *head)  in is_empty_dir()
75 static void drop_sysctl_table(struct ctl_table_header *header);
76 static int sysctl_follow_link(struct ctl_table_header **phead,
78 static int insert_links(struct ctl_table_header *head);
79 static void put_links(struct ctl_table_header *header);
104 static struct ctl_table *find_entry(struct ctl_table_header **phead,  in find_entry()
107 	struct ctl_table_header *head;  in find_entry()
135 static int insert_entry(struct ctl_table_header *head, struct ctl_table *entry)  in insert_entry()
144 		struct ctl_table_header *parent_head;  in insert_entry()
174 static void erase_entry(struct ctl_table_header *head, struct ctl_table *entry)  in erase_entry()
181 static void init_header(struct ctl_table_header *head,  in init_header()
203 static void erase_header(struct ctl_table_header *head)  in erase_header()
210 static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)  in insert_header()
249 static int use_table(struct ctl_table_header *p)  in use_table()
258 static void unuse_table(struct ctl_table_header *p)  in unuse_table()
265 static void proc_sys_prune_dcache(struct ctl_table_header *head)  in proc_sys_prune_dcache()
304 static void start_unregistering(struct ctl_table_header *p)  in start_unregistering()
334 static struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head)  in sysctl_head_grab()
344 static void sysctl_head_finish(struct ctl_table_header *head)  in sysctl_head_finish()
362 static struct ctl_table *lookup_entry(struct ctl_table_header **phead,  in lookup_entry()
366 	struct ctl_table_header *head;  in lookup_entry()
392 	struct ctl_table_header **phead, struct ctl_table **pentry)  in first_entry()
394 	struct ctl_table_header *head = NULL;  in first_entry()
409 static void next_entry(struct ctl_table_header **phead, struct ctl_table **pentry)  in next_entry()
411 	struct ctl_table_header *head = *phead;  in next_entry()
445 static int sysctl_perm(struct ctl_table_header *head, struct ctl_table *table, int op)  in sysctl_perm()
459 		struct ctl_table_header *head, struct ctl_table *table)  in proc_sys_make_inode()
507 void proc_sys_evict_inode(struct inode *inode, struct ctl_table_header *head)  in proc_sys_evict_inode()
516 static struct ctl_table_header *grab_header(struct inode *inode)  in grab_header()
518 	struct ctl_table_header *head = PROC_I(inode)->sysctl;  in grab_header()
527 	struct ctl_table_header *head = grab_header(dir);  in proc_sys_lookup()
528 	struct ctl_table_header *h = NULL;  in proc_sys_lookup()
571 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_call_handler()
617 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_open()
635 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_poll()
666 				struct ctl_table_header *head,  in proc_sys_fill_cache()
715 				    struct ctl_table_header *head,  in proc_sys_link_fill_cache()
734 static int scan(struct ctl_table_header *head, struct ctl_table *table,  in scan()
756 	struct ctl_table_header *head = grab_header(file_inode(file));  in proc_sys_readdir()
757 	struct ctl_table_header *h = NULL;  in proc_sys_readdir()
789 	struct ctl_table_header *head;  in proc_sys_permission()
832 	struct ctl_table_header *head = grab_header(inode);  in proc_sys_getattr()
885 static int sysctl_is_seen(struct ctl_table_header *p)  in sysctl_is_seen()
903 	struct ctl_table_header *head;  in proc_sys_compare()
929 	struct ctl_table_header *head;  in find_subdir()
1041 static int sysctl_follow_link(struct ctl_table_header **phead,  in sysctl_follow_link()
1044 	struct ctl_table_header *head;  in sysctl_follow_link()
1138 static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table *table,  in new_links()
1142 	struct ctl_table_header *links;  in new_links()
1154 	links = kzalloc(sizeof(struct ctl_table_header) +  in new_links()
1184 	struct ctl_table_header *head;  in get_links()
1209 static int insert_links(struct ctl_table_header *head)  in insert_links()
1213 	struct ctl_table_header *links;  in insert_links()
1292 struct ctl_table_header *__register_sysctl_table(  in __register_sysctl_table()
1297 	struct ctl_table_header *header;  in __register_sysctl_table()
1307 	header = kzalloc(sizeof(struct ctl_table_header) +  in __register_sysctl_table()
1369 struct ctl_table_header *register_sysctl(const char *path, struct ctl_table *table)  in register_sysctl()
1409 	struct ctl_table_header ***subheader, struct ctl_table_set *set,  in register_leaf_sysctl_tables()
1445 		struct ctl_table_header *header;  in register_leaf_sysctl_tables()
1493 struct ctl_table_header *__register_sysctl_paths(  in __register_sysctl_paths()
1499 	struct ctl_table_header *header = NULL, **subheaders, **subheader;  in __register_sysctl_paths()
1529 		subheaders = (struct ctl_table_header **) (header + 1);  in __register_sysctl_paths()
1544 		struct ctl_table_header *subh = *(--subheader);  in __register_sysctl_paths()
1564 struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path,  in register_sysctl_paths()
1581 struct ctl_table_header *register_sysctl_table(struct ctl_table *table)  in register_sysctl_table()
1589 static void put_links(struct ctl_table_header *header)  in put_links()
1605 		struct ctl_table_header *link_head;  in put_links()
1623 static void drop_sysctl_table(struct ctl_table_header *header)  in drop_sysctl_table()
1646 void unregister_sysctl_table(struct ctl_table_header * header)  in unregister_sysctl_table()
1656 		struct ctl_table_header **subheaders;  in unregister_sysctl_table()
1659 		subheaders = (struct ctl_table_header **)(header + 1);  in unregister_sysctl_table()
1661 			struct ctl_table_header *subh = subheaders[i];  in unregister_sysctl_table()