I do not see that happening. It is actually a good thing that each application can have their own isolated configuration that is tailored for the application's

I do not see that happening. It is actually a good thing that each application can have their own isolated configuration that is tailored for the application's needs. It is that most file systems are optimized for large files. Reiser FS promised to be a killer FS, handling small files and arbitrary file-meta-data, but well... <insert un-tasteful joke here>.