126 #define shost_show_function(name, field, format_string)			\  argument
132 	return snprintf (buf, 20, format_string, shost->field);		\
139 #define shost_rd_attr2(name, field, format_string)			\  argument
140 	shost_show_function(name, field, format_string)			\
143 #define shost_rd_attr(field, format_string) \  argument
144 shost_rd_attr2(field, field, format_string)
506 #define sdev_show_function(field, format_string)				\  argument
508 sdev_show_##field (struct device *dev, struct device_attribute *attr,	\
513 	return snprintf (buf, 20, format_string, sdev->field);		\
520 #define sdev_rd_attr(field, format_string)				\  argument
521 	sdev_show_function(field, format_string)			\
522 static DEVICE_ATTR(field, S_IRUGO, sdev_show_##field, NULL);
529 #define sdev_rw_attr(field, format_string)				\  argument
530 	sdev_show_function(field, format_string)				\
533 sdev_store_##field (struct device *dev, struct device_attribute *attr,	\
538 	sscanf (buf, format_string, &sdev->field);			\
541 static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, sdev_show_##field, sdev_store_##field);
550 #define sdev_rw_attr_bit(field)						\
551 	sdev_show_function(field, "%d\n")					\
554 sdev_store_##field (struct device *dev, struct device_attribute *attr,	\
562 		sdev->field = ret;					\
567 static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, sdev_show_##field, sdev_store_##field);
785 #define show_sdev_iostat(field)						\  argument
787 show_iostat_##field(struct device *dev, struct device_attribute *attr,	\
791 	unsigned long long count = atomic_read(&sdev->field);		\
794 static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL)