Re: Conflicting Types Between .h and .c files

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Fri, Aug 16, 2002 at 09:29:09AM -0400, Danny Cox wrote:
> Howdy!
> 
>       I just updated from CVS this AM, and am having type conflicts between
> the xfs .h and .c files on the type of kmem_zone.  The .h file sez its:
> 
>       extern struct kmem_zone *<grump>;
> 
> while the .c file sez its:
> 
>       kmem_zone_t *<grump>;
> 
> While I know it's the same thing, the compiler (2.96 from RH) apparently

I don't think that's valid.  And at least gcc 3.2 doesn't complain..

> thinks they're different.  Further, I know that Linux likes the 'struct
> name' form, so that it's obvious that this var is a struct (or refers to
> a struct), rather than anything else.

In this case not, as the kmem_zone_t is an object opaque to it's user.
Compare it to kmem_cache_t in þhe core Linux code.