Re: [RFC] killing boilerplate checks in ->link/->mkdir/->rename

From: Linus Torvalds
Date: Thu Feb 02 2012 - 21:00:30 EST


On Thu, Feb 2, 2012 at 5:45 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> Incidentally, why the hell do we have
>        typedef __kernel_nlink_t        nlink_t;
> anyway?  It's *not* exposed to userland and it's different from the
> userland nlink_t (which is unsigned int on 32bit and unsigned long on 64bit).
> Why not use __kernel_nlink_t (or explicitly-sized __uNN) in
> arch/*/include/asm/stat.h and declare nlink_t kernel-side as __u32?

Probably hysterical raisins, and just converted to the whole
__kernel_nlink_t form together with other, more relevant things.

Feel free to remove it.

> Why do we have daddr_t, while we are at it?  There is exactly one user -
> fs/freevxfs and there we definitely want a fixed-sized type.

I think it's something that probably came from freevxfs and BSD roots
or similar. It's a BSD'ism, afaik.

Linus
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