25 static const struct sysfs_ops *sysfs_file_ops(struct kernfs_node *kn)  in sysfs_file_ops()  argument
27 	struct kobject *kobj = kn->parent->priv;  in sysfs_file_ops()
29 	if (kn->flags & KERNFS_LOCKDEP)  in sysfs_file_ops()
30 		lockdep_assert_held(kn);  in sysfs_file_ops()
42 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_seq_show()
43 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);  in sysfs_kf_seq_show()
60 		count = ops->show(kobj, of->kn->priv, buf);  in sysfs_kf_seq_show()
82 	struct bin_attribute *battr = of->kn->priv;  in sysfs_kf_bin_read()
83 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_bin_read()
106 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);  in sysfs_kf_read()
107 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_read()
116 	len = ops->show(kobj, of->kn->priv, buf);  in sysfs_kf_read()
132 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);  in sysfs_kf_write()
133 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_write()
138 	return ops->store(kobj, of->kn->priv, buf, count);  in sysfs_kf_write()
145 	struct bin_attribute *battr = of->kn->priv;  in sysfs_kf_bin_write()
146 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_bin_write()
166 	struct bin_attribute *battr = of->kn->priv;  in sysfs_kf_bin_mmap()
167 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_bin_mmap()
174 	struct kernfs_node *kn = kobj->sd, *tmp;  in sysfs_notify()  local
176 	if (kn && dir)  in sysfs_notify()
177 		kn = kernfs_find_and_get(kn, dir);  in sysfs_notify()
179 		kernfs_get(kn);  in sysfs_notify()
181 	if (kn && attr) {  in sysfs_notify()
182 		tmp = kernfs_find_and_get(kn, attr);  in sysfs_notify()
183 		kernfs_put(kn);  in sysfs_notify()
184 		kn = tmp;  in sysfs_notify()
187 	if (kn) {  in sysfs_notify()
188 		kernfs_notify(kn);  in sysfs_notify()
189 		kernfs_put(kn);  in sysfs_notify()
251 	struct kernfs_node *kn;  in sysfs_add_file_mode_ns()  local
305 	kn = __kernfs_create_file(parent, attr->name, mode & 0777, uid, gid,  in sysfs_add_file_mode_ns()
307 	if (IS_ERR(kn)) {  in sysfs_add_file_mode_ns()
308 		if (PTR_ERR(kn) == -EEXIST)  in sysfs_add_file_mode_ns()
310 		return PTR_ERR(kn);  in sysfs_add_file_mode_ns()
394 	struct kernfs_node *kn;  in sysfs_chmod_file()  local
398 	kn = kernfs_find_and_get(kobj->sd, attr->name);  in sysfs_chmod_file()
399 	if (!kn)  in sysfs_chmod_file()
402 	newattrs.ia_mode = (mode & S_IALLUGO) | (kn->mode & ~S_IALLUGO);  in sysfs_chmod_file()
405 	rc = kernfs_setattr(kn, &newattrs);  in sysfs_chmod_file()
407 	kernfs_put(kn);  in sysfs_chmod_file()
425 	struct kernfs_node *kn;  in sysfs_break_active_protection()  local
428 	kn = kernfs_find_and_get(kobj->sd, attr->name);  in sysfs_break_active_protection()
429 	if (kn)  in sysfs_break_active_protection()
430 		kernfs_break_active_protection(kn);  in sysfs_break_active_protection()
431 	return kn;  in sysfs_break_active_protection()
446 void sysfs_unbreak_active_protection(struct kernfs_node *kn)  in sysfs_unbreak_active_protection()  argument
448 	struct kobject *kobj = kn->parent->priv;  in sysfs_unbreak_active_protection()
450 	kernfs_unbreak_active_protection(kn);  in sysfs_unbreak_active_protection()
451 	kernfs_put(kn);  in sysfs_unbreak_active_protection()
483 	struct kernfs_node *kn;  in sysfs_remove_file_self()  local
486 	kn = kernfs_find_and_get(parent, attr->name);  in sysfs_remove_file_self()
487 	if (WARN_ON_ONCE(!kn))  in sysfs_remove_file_self()
490 	ret = kernfs_remove_self(kn);  in sysfs_remove_file_self()
492 	kernfs_put(kn);  in sysfs_remove_file_self()