30 const void *kobject_namespace(struct kobject *kobj)  in kobject_namespace()  argument
32 	const struct kobj_ns_type_operations *ns_ops = kobj_ns_ops(kobj);  in kobject_namespace()
37 	return kobj->ktype->namespace(kobj);  in kobject_namespace()
49 static int populate_dir(struct kobject *kobj)  in populate_dir()  argument
51 	struct kobj_type *t = get_ktype(kobj);  in populate_dir()
58 			error = sysfs_create_file(kobj, attr);  in populate_dir()
66 static int create_dir(struct kobject *kobj)  in create_dir()  argument
71 	error = sysfs_create_dir_ns(kobj, kobject_namespace(kobj));  in create_dir()
75 	error = populate_dir(kobj);  in create_dir()
77 		sysfs_remove_dir(kobj);  in create_dir()
85 	sysfs_get(kobj->sd);  in create_dir()
91 	ops = kobj_child_ns_ops(kobj);  in create_dir()
97 		sysfs_enable_ns(kobj->sd);  in create_dir()
103 static int get_kobj_path_length(struct kobject *kobj)  in get_kobj_path_length()  argument
106 	struct kobject *parent = kobj;  in get_kobj_path_length()
121 static void fill_kobj_path(struct kobject *kobj, char *path, int length)  in fill_kobj_path()  argument
126 	for (parent = kobj; parent; parent = parent->parent) {  in fill_kobj_path()
134 	pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj),  in fill_kobj_path()
135 		 kobj, __func__, path);  in fill_kobj_path()
146 char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)  in kobject_get_path()  argument
151 	len = get_kobj_path_length(kobj);  in kobject_get_path()
157 	fill_kobj_path(kobj, path, len);  in kobject_get_path()
164 static void kobj_kset_join(struct kobject *kobj)  in kobj_kset_join()  argument
166 	if (!kobj->kset)  in kobj_kset_join()
169 	kset_get(kobj->kset);  in kobj_kset_join()
170 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_join()
171 	list_add_tail(&kobj->entry, &kobj->kset->list);  in kobj_kset_join()
172 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_join()
176 static void kobj_kset_leave(struct kobject *kobj)  in kobj_kset_leave()  argument
178 	if (!kobj->kset)  in kobj_kset_leave()
181 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_leave()
182 	list_del_init(&kobj->entry);  in kobj_kset_leave()
183 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_leave()
184 	kset_put(kobj->kset);  in kobj_kset_leave()
187 static void kobject_init_internal(struct kobject *kobj)  in kobject_init_internal()  argument
189 	if (!kobj)  in kobject_init_internal()
191 	kref_init(&kobj->kref);  in kobject_init_internal()
192 	INIT_LIST_HEAD(&kobj->entry);  in kobject_init_internal()
193 	kobj->state_in_sysfs = 0;  in kobject_init_internal()
194 	kobj->state_add_uevent_sent = 0;  in kobject_init_internal()
195 	kobj->state_remove_uevent_sent = 0;  in kobject_init_internal()
196 	kobj->state_initialized = 1;  in kobject_init_internal()
200 static int kobject_add_internal(struct kobject *kobj)  in kobject_add_internal()  argument
205 	if (!kobj)  in kobject_add_internal()
208 	if (!kobj->name || !kobj->name[0]) {  in kobject_add_internal()
210 			 "name!\n", kobj);  in kobject_add_internal()
214 	parent = kobject_get(kobj->parent);  in kobject_add_internal()
217 	if (kobj->kset) {  in kobject_add_internal()
219 			parent = kobject_get(&kobj->kset->kobj);  in kobject_add_internal()
220 		kobj_kset_join(kobj);  in kobject_add_internal()
221 		kobj->parent = parent;  in kobject_add_internal()
225 		 kobject_name(kobj), kobj, __func__,  in kobject_add_internal()
227 		 kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>");  in kobject_add_internal()
229 	error = create_dir(kobj);  in kobject_add_internal()
231 		kobj_kset_leave(kobj);  in kobject_add_internal()
233 		kobj->parent = NULL;  in kobject_add_internal()
240 			     __func__, kobject_name(kobj));  in kobject_add_internal()
243 			     __func__, kobject_name(kobj), error,  in kobject_add_internal()
246 		kobj->state_in_sysfs = 1;  in kobject_add_internal()
257 int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,  in kobject_set_name_vargs()  argument
260 	const char *old_name = kobj->name;  in kobject_set_name_vargs()
263 	if (kobj->name && !fmt)  in kobject_set_name_vargs()
266 	kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);  in kobject_set_name_vargs()
267 	if (!kobj->name) {  in kobject_set_name_vargs()
268 		kobj->name = old_name;  in kobject_set_name_vargs()
273 	while ((s = strchr(kobj->name, '/')))  in kobject_set_name_vargs()
289 int kobject_set_name(struct kobject *kobj, const char *fmt, ...)  in kobject_set_name()  argument
295 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_set_name()
314 void kobject_init(struct kobject *kobj, struct kobj_type *ktype)  in kobject_init()  argument
318 	if (!kobj) {  in kobject_init()
326 	if (kobj->state_initialized) {  in kobject_init()
329 		       "object, something is seriously wrong.\n", kobj);  in kobject_init()
333 	kobject_init_internal(kobj);  in kobject_init()
334 	kobj->ktype = ktype;  in kobject_init()
338 	printk(KERN_ERR "kobject (%p): %s\n", kobj, err_str);  in kobject_init()
343 static int kobject_add_varg(struct kobject *kobj, struct kobject *parent,  in kobject_add_varg()  argument
348 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_add_varg()
353 	kobj->parent = parent;  in kobject_add_varg()
354 	return kobject_add_internal(kobj);  in kobject_add_varg()
382 int kobject_add(struct kobject *kobj, struct kobject *parent,  in kobject_add()  argument
388 	if (!kobj)  in kobject_add()
391 	if (!kobj->state_initialized) {  in kobject_add()
394 		       kobject_name(kobj), kobj);  in kobject_add()
399 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_add()
417 int kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype,  in kobject_init_and_add()  argument
423 	kobject_init(kobj, ktype);  in kobject_init_and_add()
426 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_init_and_add()
443 int kobject_rename(struct kobject *kobj, const char *new_name)  in kobject_rename()  argument
451 	kobj = kobject_get(kobj);  in kobject_rename()
452 	if (!kobj)  in kobject_rename()
454 	if (!kobj->parent)  in kobject_rename()
457 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_rename()
477 	error = sysfs_rename_dir_ns(kobj, new_name, kobject_namespace(kobj));  in kobject_rename()
482 	dup_name = kobj->name;  in kobject_rename()
483 	kobj->name = name;  in kobject_rename()
488 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_rename()
494 	kobject_put(kobj);  in kobject_rename()
505 int kobject_move(struct kobject *kobj, struct kobject *new_parent)  in kobject_move()  argument
513 	kobj = kobject_get(kobj);  in kobject_move()
514 	if (!kobj)  in kobject_move()
518 		if (kobj->kset)  in kobject_move()
519 			new_parent = kobject_get(&kobj->kset->kobj);  in kobject_move()
523 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_move()
536 	error = sysfs_move_dir_ns(kobj, new_parent, kobject_namespace(kobj));  in kobject_move()
539 	old_parent = kobj->parent;  in kobject_move()
540 	kobj->parent = new_parent;  in kobject_move()
543 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_move()
546 	kobject_put(kobj);  in kobject_move()
556 void kobject_del(struct kobject *kobj)  in kobject_del()  argument
560 	if (!kobj)  in kobject_del()
563 	sd = kobj->sd;  in kobject_del()
564 	sysfs_remove_dir(kobj);  in kobject_del()
567 	kobj->state_in_sysfs = 0;  in kobject_del()
568 	kobj_kset_leave(kobj);  in kobject_del()
569 	kobject_put(kobj->parent);  in kobject_del()
570 	kobj->parent = NULL;  in kobject_del()
577 struct kobject *kobject_get(struct kobject *kobj)  in kobject_get()  argument
579 	if (kobj) {  in kobject_get()
580 		if (!kobj->state_initialized)  in kobject_get()
583 			       "called.\n", kobject_name(kobj), kobj);  in kobject_get()
584 		kref_get(&kobj->kref);  in kobject_get()
586 	return kobj;  in kobject_get()
589 static struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj)  in kobject_get_unless_zero()  argument
591 	if (!kref_get_unless_zero(&kobj->kref))  in kobject_get_unless_zero()
592 		kobj = NULL;  in kobject_get_unless_zero()
593 	return kobj;  in kobject_get_unless_zero()
600 static void kobject_cleanup(struct kobject *kobj)  in kobject_cleanup()  argument
602 	struct kobj_type *t = get_ktype(kobj);  in kobject_cleanup()
603 	const char *name = kobj->name;  in kobject_cleanup()
606 		 kobject_name(kobj), kobj, __func__, kobj->parent);  in kobject_cleanup()
611 			 kobject_name(kobj), kobj);  in kobject_cleanup()
614 	if (kobj->state_add_uevent_sent && !kobj->state_remove_uevent_sent) {  in kobject_cleanup()
616 			 kobject_name(kobj), kobj);  in kobject_cleanup()
617 		kobject_uevent(kobj, KOBJ_REMOVE);  in kobject_cleanup()
621 	if (kobj->state_in_sysfs) {  in kobject_cleanup()
623 			 kobject_name(kobj), kobj);  in kobject_cleanup()
624 		kobject_del(kobj);  in kobject_cleanup()
629 			 kobject_name(kobj), kobj);  in kobject_cleanup()
630 		t->release(kobj);  in kobject_cleanup()
650 	struct kobject *kobj = container_of(kref, struct kobject, kref);  in kobject_release()  local
654 		 kobject_name(kobj), kobj, __func__, kobj->parent, delay);  in kobject_release()
655 	INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup);  in kobject_release()
657 	schedule_delayed_work(&kobj->release, delay);  in kobject_release()
659 	kobject_cleanup(kobj);  in kobject_release()
669 void kobject_put(struct kobject *kobj)  in kobject_put()  argument
671 	if (kobj) {  in kobject_put()
672 		if (!kobj->state_initialized)  in kobject_put()
675 			       "called.\n", kobject_name(kobj), kobj);  in kobject_put()
676 		kref_put(&kobj->kref, kobject_release);  in kobject_put()
680 static void dynamic_kobj_release(struct kobject *kobj)  in dynamic_kobj_release()  argument
682 	pr_debug("kobject: (%p): %s\n", kobj, __func__);  in dynamic_kobj_release()
683 	kfree(kobj);  in dynamic_kobj_release()
704 	struct kobject *kobj;  in kobject_create()  local
706 	kobj = kzalloc(sizeof(*kobj), GFP_KERNEL);  in kobject_create()
707 	if (!kobj)  in kobject_create()
710 	kobject_init(kobj, &dynamic_kobj_ktype);  in kobject_create()
711 	return kobj;  in kobject_create()
729 	struct kobject *kobj;  in kobject_create_and_add()  local
732 	kobj = kobject_create();  in kobject_create_and_add()
733 	if (!kobj)  in kobject_create_and_add()
736 	retval = kobject_add(kobj, parent, "%s", name);  in kobject_create_and_add()
740 		kobject_put(kobj);  in kobject_create_and_add()
741 		kobj = NULL;  in kobject_create_and_add()
743 	return kobj;  in kobject_create_and_add()
753 	kobject_init_internal(&k->kobj);  in kset_init()
759 static ssize_t kobj_attr_show(struct kobject *kobj, struct attribute *attr,  in kobj_attr_show()  argument
767 		ret = kattr->show(kobj, kattr, buf);  in kobj_attr_show()
771 static ssize_t kobj_attr_store(struct kobject *kobj, struct attribute *attr,  in kobj_attr_store()  argument
779 		ret = kattr->store(kobj, kattr, buf, count);  in kobj_attr_store()
801 	err = kobject_add_internal(&k->kobj);  in kset_register()
804 	kobject_uevent(&k->kobj, KOBJ_ADD);  in kset_register()
816 	kobject_del(&k->kobj);  in kset_unregister()
817 	kobject_put(&k->kobj);  in kset_unregister()
847 static void kset_release(struct kobject *kobj)  in kset_release()  argument
849 	struct kset *kset = container_of(kobj, struct kset, kobj);  in kset_release()
851 		 kobject_name(kobj), kobj, __func__);  in kset_release()
885 	retval = kobject_set_name(&kset->kobj, "%s", name);  in kset_create()
891 	kset->kobj.parent = parent_kobj;  in kset_create()
898 	kset->kobj.ktype = &kset_ktype;  in kset_create()
899 	kset->kobj.kset = NULL;  in kset_create()
990 const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)  in kobj_ns_ops()  argument
992 	return kobj_child_ns_ops(kobj->parent);  in kobj_ns_ops()