Re: [PATCH] new system call mknod64

H. Peter Anvin
2003-04-22T02:40:31Z

Jamie Lokier wrote:
>>
>>The main advantage with making it a struct is that it keep people from
>>doing stupid stuff like (int)dev where dev is a kdev_t... There is
>>all kinds of shit like that in the kernel...
>
> If you want that good quality 64-bit code, try making it a struct
> containing just a u64 :)
>

Perhaps:

#if BITS_PER_LONG == 64
typedef struct { u64 val; } kdev_t;

/* Macros for major minor mkdev */
#else
typedef struct { u32 major, minor; } kdev_t;

/* Macros... */
#endif

-hpa