If you want to limit the count of PVCs that have a specific volume attributes class. In that case, you can create a quota object with the scope name `VolumeAttributesClass` and a `matchExpressions` that match the volume attributes class. ([#124360](https://github.com/kubernetes/kubernetes/pull/124360), [@carlory](https://github.com/carlory)) [SIG API Machinery, Apps and Testing]