XFS_FEAT_SMALL_INUMS
parsing_mp->m_features |= XFS_FEAT_SMALL_INUMS;
parsing_mp->m_features &= ~XFS_FEAT_SMALL_INUMS;
mp->m_features &= ~XFS_FEAT_SMALL_INUMS;
mp->m_features |= XFS_FEAT_SMALL_INUMS;