ZFS_ARCHIVE
((zp->z_pflags & ZFS_ARCHIVE) != 0);
ZFS_ATTR_SET(zp, ZFS_ARCHIVE, xoap->xoa_archive,
zp->z_pflags |= (ZFS_ARCHIVE |
zp->z_pflags |= ZFS_ARCHIVE;
pflags = ZFS_ARCHIVE | ZFS_AV_MODIFIED;