5  * item.c - library routines for handling generic config items
33  *	config_item_init - initialize item.
34  *	@item:	item in question.
36 static void config_item_init(struct config_item *item)  in config_item_init()  argument
38 	kref_init(&item->ci_kref);  in config_item_init()
39 	INIT_LIST_HEAD(&item->ci_entry);  in config_item_init()
43  *	config_item_set_name - Set the name of an item
44  *	@item:	item.
48  *	dynamically allocated string that @item->ci_name points to.
49  *	Otherwise, use the static @item->ci_namebuf array.
51 int config_item_set_name(struct config_item *item, const char *fmt, ...)  in config_item_set_name()  argument
62 	need = vsnprintf(item->ci_namebuf, limit, fmt, args);  in config_item_set_name()
65 		name = item->ci_namebuf;  in config_item_set_name()
75 	if (item->ci_name && item->ci_name != item->ci_namebuf)  in config_item_set_name()
76 		kfree(item->ci_name);  in config_item_set_name()
79 	item->ci_name = name;  in config_item_set_name()
84 void config_item_init_type_name(struct config_item *item,  in config_item_init_type_name()  argument
88 	config_item_set_name(item, "%s", name);  in config_item_init_type_name()
89 	item->ci_type = type;  in config_item_init_type_name()
90 	config_item_init(item);  in config_item_init_type_name()
103 struct config_item *config_item_get(struct config_item *item)  in config_item_get()  argument
105 	if (item)  in config_item_get()
106 		kref_get(&item->ci_kref);  in config_item_get()
107 	return item;  in config_item_get()
111 struct config_item *config_item_get_unless_zero(struct config_item *item)  in config_item_get_unless_zero()  argument
113 	if (item && kref_get_unless_zero(&item->ci_kref))  in config_item_get_unless_zero()
114 		return item;  in config_item_get_unless_zero()
119 static void config_item_cleanup(struct config_item *item)  in config_item_cleanup()  argument
121 	const struct config_item_type *t = item->ci_type;  in config_item_cleanup()
122 	struct config_group *s = item->ci_group;  in config_item_cleanup()
123 	struct config_item *parent = item->ci_parent;  in config_item_cleanup()
125 	pr_debug("config_item %s: cleaning up\n", config_item_name(item));  in config_item_cleanup()
126 	if (item->ci_name != item->ci_namebuf)  in config_item_cleanup()
127 		kfree(item->ci_name);  in config_item_cleanup()
128 	item->ci_name = NULL;  in config_item_cleanup()
130 		t->ct_item_ops->release(item);  in config_item_cleanup()
143  *	config_item_put - decrement refcount for item.
144  *	@item:	item.
148 void config_item_put(struct config_item *item)  in config_item_put()  argument
150 	if (item)  in config_item_put()
151 		kref_put(&item->ci_kref, config_item_release);  in config_item_put()
168  *	config_group_find_item - search for item in group.
170  *	@name:	item's name.
173  *	If matching item is found take a reference and return the item.
183 		struct config_item *item = to_item(entry);  in config_group_find_item()  local
184 		if (config_item_name(item) &&  in config_group_find_item()
185 		    !strcmp(config_item_name(item), name)) {  in config_group_find_item()
186 			ret = config_item_get(item);  in config_group_find_item()