Re: 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test

[Roman Zippel]

Hi,

On Mon, 13 Sep 2004, Hugh Dickins wrote:

> On Mon, 13 Sep 2004, Roman Zippel wrote:
> > On Mon, 13 Sep 2004, Hugh Dickins wrote:
> > 
> > > But Bill already said he doesn't want it, [...]
> > > 
> > > -		if (atomic_sub_and_test(bio->bi_vcnt, &fq->nr_submitted))
> > > +		if (atomic_sub_return(bio->bi_vcnt, &fq->nr_submitted) == 0)
> > 
> > And that is more portable how?
> 
> It's more portable in that all but s390 already provide it
> (and I expect Martin will be happy to add it).

So why not add the missing atomic_sub_and_test() (using simply 
atomic_sub_return)?

bye, Roman
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