During August 2025, Xni contributed to the geerlingguy/linux repository by implementing a legacy_async_del_gendisk mode, enabling continued compatibility between mdadm and older workflows that rely on asynchronous gendisk deletion. Using C and kernel development expertise, Xni addressed the challenge of supporting legacy user-space tools while planning a future transition to synchronous deletion for modernization. Additionally, Xni resolved a critical build issue by reverting a superblock field rename in the shared md_p.h header, restoring compatibility with userspace utilities. This work demonstrated a thoughtful approach to system programming, balancing immediate stability with a clear roadmap for future kernel improvements.