e2fs_cgsave
e2fs_cgsave(gd, (struct ext2_gd *)(iobuf + sblock.e2fs_bsize),
e2fs_cgsave(gd, (struct ext2_gd *)(iobuf +
e2fs_cgsave(&fs->e2fs_gd[i* fs->e2fs_bsize / sizeof(struct ext2_gd)], (struct ext2_gd*)bp->b_data, fs->e2fs_bsize);