Re: [RFC] atomic create+open

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to den 06.10.2005 Klokka 18:59 (+0100) skreiv Jamie Lokier:

> > Intents are there in order to allow the filesystem to determine which
> > operation is calling lookup so that it can optimise for that particular
> > operation.
> 
> I think Miklos' point is that it's not an "optimisation" because it's
> not optional.  Optimisations are things where if you don't do them,
> the behaviour is still correct but slower.
> 
> As far as I can tell from this discussion, the atomic lookup+create is
> a non-optional requirement.

By that definition, intents have _never_ been optional. NFSv3/v4 O_EXCL
creates have never worked correctly without them.

Cheers,
  Trond

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