to_amdgpu_userq_fence
struct amdgpu_userq_fence *fence = to_amdgpu_userq_fence(f);
struct amdgpu_userq_fence *fence = to_amdgpu_userq_fence(f);
struct amdgpu_userq_fence *userq_fence = to_amdgpu_userq_fence(fence);
struct amdgpu_userq_fence *fence = to_amdgpu_userq_fence(f);
userq_fence = to_amdgpu_userq_fence(fences[i]);