ext2_gd_csum
ext2_gd_csum(fs, i, &fs->e2fs_gd[i])) {
ext2_gd_csum(fs, i, &fs->e2fs_gd[i]));
fs->e2fs_gd[i].ext4bgd_csum = ext2_gd_csum(fs, i, &fs->e2fs_gd[i]);