Reduced number of packages

src/fs/Align.go

@@ -0,0 +1,7 @@
+package fs
+
+// Align calculates the next aligned address and the padding needed.
+func Align[T int | uint | int64 | uint64 | int32 | uint32](n T, alignment T) (T, T) {
+	aligned := (n + (alignment - 1)) & ^(alignment - 1)
+	return aligned, aligned - n
+}