svn commit: r356108 - head/sys/geom/vinum

[Brooks Davis]

On Fri, Dec 27, 2019 at 01:36:53AM +0000, Alexander Motin wrote:
> Author: mav
> Date: Fri Dec 27 01:36:53 2019
> New Revision: 356108
> URL: https://svnweb.freebsd.org/changeset/base/356108
> 
> Log:
>   Reimplement gvinum orphanization.
>   
>   gvinum was the only GEOM class, using consumer nstart/nend fields. Making
>   it do its own accounting for orphanization purposes allows in perspective
>   to remove burden of that expensive for SMP accounting from GEOM.
>   
>   Also the previous implementation spinned in a tight event loop, waiting
>   for all active BIOs to complete, while the new one knows exactly when it
>   is possible to close the consumer.

Do you know if there are other cases of gvinum being a weird GEOM class?
If it's going to require more rounds of major refactoring, maybe we
should look into deprecating it for 14.

-- Brooks
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