As long as the VFS permits those calls to go to the filesystem driver, that is doable. A casual inspction of the documentation suggests that doing this will ret

As long as the VFS permits those calls to go to the filesystem driver, that is doable. A casual inspction of the documentation suggests that doing this will return an error from the syscall. I am not sure what a kernel driver calling the VFS can do in terms of getting/setting these yet.