77 	.default_set.dir.header = {
95 static void sysctl_print_dir(struct ctl_dir *dir)  in sysctl_print_dir()  argument
97 	if (dir->header.parent)  in sysctl_print_dir()
98 		sysctl_print_dir(dir->header.parent);  in sysctl_print_dir()
99 	pr_cont("%s/", dir->header.ctl_table[0].procname);  in sysctl_print_dir()
114 	struct ctl_dir *dir, const char *name, int namelen)  in find_entry()  argument
118 	struct rb_node *node = dir->root.rb_node;  in find_entry()
224 static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)  in insert_header()  argument
227 	struct ctl_table_header *dir_h = &dir->header;  in insert_header()
238 		if (!RB_EMPTY_ROOT(&dir->root))  in insert_header()
244 	header->parent = dir;  in insert_header()
347 				      struct ctl_dir *dir,  in lookup_entry()  argument
354 	entry = find_entry(&head, dir, name, namelen);  in lookup_entry()
375 static void first_entry(struct ctl_dir *dir,  in first_entry()  argument
383 	ctl_node = first_usable_entry(rb_first(&dir->root));  in first_entry()
504 		head = &sysctl_table_root.default_set.dir.header;  in grab_header()
508 static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,  in proc_sys_lookup()  argument
511 	struct ctl_table_header *head = grab_header(dir);  in proc_sys_lookup()
536 	inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p);  in proc_sys_lookup()
682 	struct dentry *child, *dir = file->f_path.dentry;  in proc_sys_fill_cache()  local
690 	qname.hash = full_name_hash(dir, qname.name, qname.len);  in proc_sys_fill_cache()
692 	child = d_lookup(dir, &qname);  in proc_sys_fill_cache()
695 		child = d_alloc_parallel(dir, &qname, &wq);  in proc_sys_fill_cache()
700 			inode = proc_sys_make_inode(dir->d_sb, head, table);  in proc_sys_fill_cache()
943 static struct ctl_dir *find_subdir(struct ctl_dir *dir,  in find_subdir()  argument
949 	entry = find_entry(&head, dir, name, namelen);  in find_subdir()
977 	init_header(&new->header, set->dir.header.root, set, node, table, 1);  in new_dir()
994 static struct ctl_dir *get_subdir(struct ctl_dir *dir,  in get_subdir()  argument
997 	struct ctl_table_set *set = dir->header.set;  in get_subdir()
1002 	subdir = find_subdir(dir, name, namelen);  in get_subdir()
1016 	subdir = find_subdir(dir, name, namelen);  in get_subdir()
1023 	err = insert_header(dir, &new->header);  in get_subdir()
1033 		sysctl_print_dir(dir);  in get_subdir()
1037 	drop_sysctl_table(&dir->header);  in get_subdir()
1044 static struct ctl_dir *xlate_dir(struct ctl_table_set *set, struct ctl_dir *dir)  in xlate_dir()  argument
1048 	if (!dir->header.parent)  in xlate_dir()
1049 		return &set->dir;  in xlate_dir()
1050 	parent = xlate_dir(set, dir->header.parent);  in xlate_dir()
1053 	procname = dir->header.ctl_table[0].procname;  in xlate_dir()
1064 	struct ctl_dir *dir;  in sysctl_follow_link()  local
1070 	dir = xlate_dir(set, (*phead)->parent);  in sysctl_follow_link()
1071 	if (IS_ERR(dir))  in sysctl_follow_link()
1072 		ret = PTR_ERR(dir);  in sysctl_follow_link()
1076 		entry = find_entry(&head, dir, procname, strlen(procname));  in sysctl_follow_link()
1163 static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table_header *head)  in new_links()  argument
1201 	init_header(links, dir->header.root, dir->header.set, node, link_table,  in new_links()
1208 static bool get_links(struct ctl_dir *dir,  in get_links()  argument
1222 		link = find_entry(&tmp_head, dir, procname, strlen(procname));  in get_links()
1235 		link = find_entry(&tmp_head, dir, procname, strlen(procname));  in get_links()
1283 static struct ctl_dir *sysctl_mkdir_p(struct ctl_dir *dir, const char *path)  in sysctl_mkdir_p()  argument
1304 		dir = get_subdir(dir, name, namelen);  in sysctl_mkdir_p()
1305 		if (IS_ERR(dir))  in sysctl_mkdir_p()
1308 	return dir;  in sysctl_mkdir_p()
1364 	struct ctl_table_root *root = set->dir.header.root;  in __register_sysctl_table()
1366 	struct ctl_dir *dir;  in __register_sysctl_table()  local
1380 	dir = &set->dir;  in __register_sysctl_table()
1382 	dir->header.nreg++;  in __register_sysctl_table()
1385 	dir = sysctl_mkdir_p(dir, path);  in __register_sysctl_table()
1386 	if (IS_ERR(dir))  in __register_sysctl_table()
1389 	if (insert_header(dir, header))  in __register_sysctl_table()
1392 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1398 	drop_sysctl_table(&dir->header);  in __register_sysctl_table()
1543 	init_header(&set->dir.header, root, set, NULL, root_table, 1);  in setup_sysctl_set()
1548 	WARN_ON(!RB_EMPTY_ROOT(&set->dir.root));  in retire_sysctl_set()