Re: major/minor split

["H. Peter Anvin" <hpa@zytor.com>]

Followup to:  <UTC200303202224.h2KMOXC01107.aeb@smtp.cwi.nl>
By author:    Andries.Brouwer@cwi.nl
In newsgroup: linux.dev.kernel
> 
> For kdev_t (8,1) is 0x00080001 and (8,256) is 0x00080100.
> So kdev_t allows simple fast composition and decomposition,
> but is restricted to the kernel.
> While dev_t requires a conditional, since it has to remain
> compatible with the old 8+8 userspace.
> 

I would suggest, instead:

typedef struct kdev {
       u32 major, minor;
} kdev_t;

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64