resion[0] = clust2sect(fs, scl);                                        /* Start sector */
                                resion[1] = clust2sect(fs, ecl) + fs->csize - 1;        /* End sector */
                                disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, resion);         /* Erase the block */
                                resion[0] = clust2sect(fs, scl);                                        /* Start sector */
                                resion[1] = clust2sect(fs, ecl) + fs->csize - 1;        /* End sector */
                                disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, resion);         /* Erase the block */