XFS_ILOG_IVERSION
flags |= XFS_ILOG_IVERSION;
if (flags & XFS_ILOG_IVERSION)
flags = ((flags & ~XFS_ILOG_IVERSION) | XFS_ILOG_CORE);
if (iip->ili_dirty_flags & ~(XFS_ILOG_IVERSION | XFS_ILOG_TIMESTAMP))