to_nouveau_fence
struct nouveau_fence *fence = to_nouveau_fence(f);
struct nouveau_fence *fence = to_nouveau_fence(f);
struct nouveau_fence *fence = to_nouveau_fence(f);
struct nouveau_fence *fence = to_nouveau_fence(f);
struct nouveau_fence *fence = to_nouveau_fence(f);
struct nouveau_fence *fence = to_nouveau_fence(f);
return to_nouveau_fence(fence);