White keeps the d5-square under control, without worrying about the doubled c-pawns.
From now on the ...d6-d5 break can be discarded, and Black is also suffering from a backward pawn on d6.
Preparing a consolidating f2-f3, as well as Rab1 with a fight for the b-file.
8.f3 h5 9.g5 f6 10.Kf1! fxg5 11.hxg5 Re6 12.Rdb1! Rxb1+ 13.Rxb1 Qf7 14.Qd5