EXT2_NODUMP
vap->va_flags |= (ip->i_e2fs_flags & EXT2_NODUMP) ? UF_NODUMP : 0;
ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE | EXT2_NODUMP);
(vap->va_flags & UF_NODUMP) ? EXT2_NODUMP : 0;