> > If kdev_t is a 4 byte long structure, (i.e., using a 16/16 major/minor
> > split), the compiler should be able to do a relatively good job of
> > optimizing accesses to it. If not, that's a compiler bug that we should
> > report, and ask the gcc/egcs folks to fix.
>
> On many platforms
>
> struct
> {
> u16 a;
> u16 b;
> };
>
> is an 8 byte object.
But
struct bla {
unsigned a : 16;
unsigned b : 16;
};
isn't (and has the same type checking benefits)
-Andi
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