Messages in this thread | | | Date | Mon, 13 Sep 2004 14:51:05 +0100 (BST) | From | Hugh Dickins <> | Subject | Re: 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test |
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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).
Hugh
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