Kobject: auto-cleanup on final unref

[linux-2.6-omap-h63xx.git] / include / linux / kobject.h

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 33e7a6142a753d6fdd3e8b030389e84cfd6ca54b..be03ce83f9cca5ceca5d027daa7259c05538791c 100644 (file)
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -68,6 +68,11 @@ struct kobject {
        struct kset             * kset;
        struct kobj_type        * ktype;
        struct sysfs_dirent     * sd;
+       unsigned int state_initialized:1;
+       unsigned int state_name_set:1;
+       unsigned int state_in_sysfs:1;
+       unsigned int state_add_uevent_sent:1;
+       unsigned int state_remove_uevent_sent:1;
 };
 
 extern int kobject_set_name(struct kobject *, const char *, ...)
@@ -78,12 +83,10 @@ static inline const char * kobject_name(const struct kobject * kobj)
        return kobj->k_name;
 }
 
-extern void kobject_init(struct kobject *);
-extern void kobject_init_ng(struct kobject *kobj, struct kobj_type *ktype);
-extern int __must_check kobject_add(struct kobject *);
-extern int __must_check kobject_add_ng(struct kobject *kobj,
-                                      struct kobject *parent,
-                                      const char *fmt, ...);
+extern void kobject_init(struct kobject *kobj, struct kobj_type *ktype);
+extern int __must_check kobject_add(struct kobject *kobj,
+                                   struct kobject *parent,
+                                   const char *fmt, ...);
 extern int __must_check kobject_init_and_add(struct kobject *kobj,
                                             struct kobj_type *ktype,
                                             struct kobject *parent,
@@ -91,22 +94,18 @@ extern int __must_check kobject_init_and_add(struct kobject *kobj,
 
 extern void kobject_del(struct kobject *);
 
+extern struct kobject * __must_check kobject_create(void);
 extern struct kobject * __must_check kobject_create_and_add(const char *name,
                                                struct kobject *parent);
 
 extern int __must_check kobject_rename(struct kobject *, const char *new_name);
 extern int __must_check kobject_move(struct kobject *, struct kobject *);
 
-extern int __must_check kobject_register(struct kobject *);
 extern void kobject_unregister(struct kobject *);
 
 extern struct kobject * kobject_get(struct kobject *);
 extern void kobject_put(struct kobject *);
 
-extern struct kobject *kobject_kset_add_dir(struct kset *kset,
-                                           struct kobject *, const char *);
-extern struct kobject *kobject_add_dir(struct kobject *, const char *);
-
 extern char * kobject_get_path(struct kobject *, gfp_t);
 
 struct kobj_type {
@@ -129,6 +128,16 @@ struct kset_uevent_ops {
                      struct kobj_uevent_env *env);
 };
 
+struct kobj_attribute {
+       struct attribute attr;
+       ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr,
+                       char *buf);
+       ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr,
+                        const char *buf, size_t count);
+};
+
+extern struct sysfs_ops kobj_sysfs_ops;
+
 /**
  * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.
  *
@@ -154,7 +163,6 @@ struct kset {
 };
 
 extern void kset_init(struct kset * k);
-extern int __must_check kset_add(struct kset * k);
 extern int __must_check kset_register(struct kset * k);
 extern void kset_unregister(struct kset * k);
 extern struct kset * __must_check kset_create_and_add(const char *name,
@@ -191,33 +199,14 @@ extern struct kobject * kset_find_obj(struct kset *, const char *);
 #define set_kset_name(str)     .kset = { .kobj = { .k_name = str } }
 
 
-#define decl_subsys(_name,_uevent_ops) \
-struct kset _name##_subsys = { \
-       .kobj = { .k_name = __stringify(_name) }, \
-       .uevent_ops =_uevent_ops, \
-}
-#define decl_subsys_name(_varname,_name,_uevent_ops) \
-struct kset _varname##_subsys = { \
-       .kobj = { .k_name = __stringify(_name) }, \
-       .uevent_ops =_uevent_ops, \
-}
-
-/* The global /sys/kernel/ subsystem for people to chain off of */
-extern struct kset kernel_subsys;
-/* The global /sys/hypervisor/ subsystem  */
-extern struct kset hypervisor_subsys;
-
-extern int __must_check subsystem_register(struct kset *);
-extern void subsystem_unregister(struct kset *);
-
-struct subsys_attribute {
-       struct attribute attr;
-       ssize_t (*show)(struct kset *, char *);
-       ssize_t (*store)(struct kset *, const char *, size_t);
-};
-
-extern int __must_check subsys_create_file(struct kset *,
-                                       struct subsys_attribute *);
+/* The global /sys/kernel/ kobject for people to chain off of */
+extern struct kobject *kernel_kobj;
+/* The global /sys/hypervisor/ kobject for people to chain off of */
+extern struct kobject *hypervisor_kobj;
+/* The global /sys/power/ kobject for people to chain off of */
+extern struct kobject *power_kobj;
+/* The global /sys/firmware/ kobject for people to chain off of */
+extern struct kobject *firmware_kobj;
 
 #if defined(CONFIG_HOTPLUG)
 int kobject_uevent(struct kobject *kobj, enum kobject_action action);