i_gid_low
i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
raw_inode->i_gid_low = cpu_to_le16(low_16_bits(gid));
raw_inode->i_gid_low = cpu_to_le16(fs_high2lowgid(gid));
raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
raw_inode->i_gid_low = cpu_to_le16(fs_high2lowgid(i_gid));
i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);