ZFS and __FreeBSD_version

[Kostik Belousov]

On Thu, May 13, 2010 at 11:17:50PM +0200, Pawel Jakub Dawidek wrote:
> On Thu, May 13, 2010 at 07:44:52AM -0400, John Baldwin wrote:
> > Boris Kochergin wrote:
> > >Hi. Can __FreeBSD_version be bumped if ZFS's userland API is ever 
> > >changed again? I got slightly bitten by the 
> > >state_to_name()-to-zpool_state_to_name() change from version 6 to 
> > >version 13 and would like a reliable way of keeping track of this type 
> > >of stuff in the future. Thanks.
> > 
> > Yes, it should be bumped anytime the API changes.  That is definitely a 
> > bug that it wasn't done properly last time.
> 
> I must disagree here. libzfs API is for ZFS internal use only and is
> subject to change at any time. This is true for OpenSolaris as well.
> We, of course, can bump __FreeBSD_version if it helps, but one shouldn't
> expect libzfs API being stable or there is any care taken to maintain
> backward compatibility.

I agree with you, but please note that the _library_ version bump on import
would be right and useful thing, if not already done.
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