I've seen numbers in some workloads where ntfs-3g is 40% faster than NTFS on Windows, despite crossing between userspace and the kernel three times for every fi

I've seen numbers in some workloads where ntfs-3g is 40% faster than NTFS on Windows, despite crossing between userspace and the kernel three times for every filesystem call (recent work in the kernel will potentially cut this down to two context switches each way for FUSE).