sdev_show_function(field, format_string) \
static DEVICE_ATTR(field, S_IRUGO, sdev_show_##field, NULL);
-
-/*
- * sdev_rw_attr: create a function and attribute variable for a
- * read/write field.
- */
-#define sdev_rw_attr(field, format_string) \
- sdev_show_function(field, format_string) \
- \
-static ssize_t \
-sdev_store_##field (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct scsi_device *sdev; \
- sdev = to_scsi_device(dev); \
- sscanf (buf, format_string, &sdev->field); \
- return count; \
-} \
-static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, sdev_show_##field, sdev_store_##field);
-
-/* Currently we don't export bit fields, but we might in future,
- * so leave this code in */
-#if 0
-/*
- * sdev_rd_attr: create a function and attribute variable for a
- * read/write bit field.
- */
-#define sdev_rw_attr_bit(field) \
- sdev_show_function(field, "%d\n") \
- \
-static ssize_t \
-sdev_store_##field (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- int ret; \
- struct scsi_device *sdev; \
- ret = scsi_sdev_check_buf_bit(buf); \
- if (ret >= 0) { \
- sdev = to_scsi_device(dev); \
- sdev->field = ret; \
- ret = count; \
- } \
- return ret; \
-} \
-static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, sdev_show_##field, sdev_store_##field);
-
-/*
- * scsi_sdev_check_buf_bit: return 0 if buf is "0", return 1 if buf is "1",
- * else return -EINVAL.
- */
-static int scsi_sdev_check_buf_bit(const char *buf)
-{
- if ((buf[1] == '\0') || ((buf[1] == '\n') && (buf[2] == '\0'))) {
- if (buf[0] == '1')
- return 1;
- else if (buf[0] == '0')
- return 0;
- else
- return -EINVAL;
- } else
- return -EINVAL;
-}
-#endif
/*
* Create the actual show/store functions and data structures.
*/