fs_high2lowuid
raw_inode->i_uid_low = cpu_to_le16(fs_high2lowuid(uid));
raw_inode->i_uid_low = cpu_to_le16(fs_high2lowuid(i_uid));
raw_inode->i_uid = fs_high2lowuid(i_uid_read(inode));
raw_inode->i_uid = fs_high2lowuid(i_uid_read(inode));