sd_mapblocksize_iostart
sd_mapblocksize_iostart, /* Index: 6 */
sd_mapblocksize_iostart, /* Index: 10 */
sd_mapblocksize_iostart, /* Index: 27 */
sd_mapblocksize_iostart, /* Index: 32 */
static void sd_mapblocksize_iostart(int index, struct sd_lun *un,