176 #define raid_attr_show_internal(attr, fmt, var, code)			\  argument
177 static ssize_t raid_show_##attr(struct device *dev, 			\
178 				struct device_attribute *attr, 		\
186 #define raid_attr_ro_states(attr, states, code)				\  argument
187 raid_attr_show_internal(attr, %s, name,					\
190 	name = raid_##states##_name(rd->attr);				\
192 static DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL)
195 #define raid_attr_ro_internal(attr, code)				\  argument
196 raid_attr_show_internal(attr, %d, rd->attr, code)			\
197 static DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL)
199 #define ATTR_CODE(attr)							\  argument
201 	if (i->f->get_##attr)						\
202 		i->f->get_##attr(dev->parent);
204 #define raid_attr_ro(attr)	raid_attr_ro_internal(attr, )  argument
205 #define raid_attr_ro_fn(attr)	raid_attr_ro_internal(attr, ATTR_CODE(attr))  argument
206 #define raid_attr_ro_state(attr)	raid_attr_ro_states(attr, attr, )  argument
207 #define raid_attr_ro_state_fn(attr)	raid_attr_ro_states(attr, attr, ATTR_CODE(attr))  argument