28 static const struct sysfs_ops *sysfs_file_ops(struct kernfs_node *kn)  in sysfs_file_ops()  argument
30 	struct kobject *kobj = kn->parent->priv;  in sysfs_file_ops()
32 	if (kn->flags & KERNFS_LOCKDEP)  in sysfs_file_ops()
33 		lockdep_assert_held(kn);  in sysfs_file_ops()
45 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_seq_show()
46 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);  in sysfs_kf_seq_show()
63 		count = ops->show(kobj, of->kn->priv, buf);  in sysfs_kf_seq_show()
85 	struct bin_attribute *battr = of->kn->priv;  in sysfs_kf_bin_read()
86 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_bin_read()
109 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);  in sysfs_kf_read()
110 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_read()
119 	len = ops->show(kobj, of->kn->priv, buf);  in sysfs_kf_read()
127 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);  in sysfs_kf_write()
128 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_write()
133 	return ops->store(kobj, of->kn->priv, buf, count);  in sysfs_kf_write()
140 	struct bin_attribute *battr = of->kn->priv;  in sysfs_kf_bin_write()
141 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_bin_write()
161 	struct bin_attribute *battr = of->kn->priv;  in sysfs_kf_bin_mmap()
162 	struct kobject *kobj = of->kn->parent->priv;  in sysfs_kf_bin_mmap()
169 	struct kernfs_node *kn = kobj->sd, *tmp;  in sysfs_notify()  local
171 	if (kn && dir)  in sysfs_notify()
172 		kn = kernfs_find_and_get(kn, dir);  in sysfs_notify()
174 		kernfs_get(kn);  in sysfs_notify()
176 	if (kn && attr) {  in sysfs_notify()
177 		tmp = kernfs_find_and_get(kn, attr);  in sysfs_notify()
178 		kernfs_put(kn);  in sysfs_notify()
179 		kn = tmp;  in sysfs_notify()
182 	if (kn) {  in sysfs_notify()
183 		kernfs_notify(kn);  in sysfs_notify()
184 		kernfs_put(kn);  in sysfs_notify()
246 	struct kernfs_node *kn;  in sysfs_add_file_mode_ns()  local
299 	kn = __kernfs_create_file(parent, attr->name, mode & 0777, size, ops,  in sysfs_add_file_mode_ns()
301 	if (IS_ERR(kn)) {  in sysfs_add_file_mode_ns()
302 		if (PTR_ERR(kn) == -EEXIST)  in sysfs_add_file_mode_ns()
304 		return PTR_ERR(kn);  in sysfs_add_file_mode_ns()
384 	struct kernfs_node *kn;  in sysfs_chmod_file()  local
388 	kn = kernfs_find_and_get(kobj->sd, attr->name);  in sysfs_chmod_file()
389 	if (!kn)  in sysfs_chmod_file()
392 	newattrs.ia_mode = (mode & S_IALLUGO) | (kn->mode & ~S_IALLUGO);  in sysfs_chmod_file()
395 	rc = kernfs_setattr(kn, &newattrs);  in sysfs_chmod_file()
397 	kernfs_put(kn);  in sysfs_chmod_file()
429 	struct kernfs_node *kn;  in sysfs_remove_file_self()  local
432 	kn = kernfs_find_and_get(parent, attr->name);  in sysfs_remove_file_self()
433 	if (WARN_ON_ONCE(!kn))  in sysfs_remove_file_self()
436 	ret = kernfs_remove_self(kn);  in sysfs_remove_file_self()
438 	kernfs_put(kn);  in sysfs_remove_file_self()