Re: [PATCH v2] refs.h: make all flags arguments unsigned

> > Yes, enums or not, what I was also pointing out in
> > https://lore.kernel.org/git/220201.86ilty9vq2.gmgdl@evledraar.gmail.com/
> > is that changing just one logical set of flags at a time would make this
> > much easier to review.
>
> Another thing to consider is how to make this play better with other
> topics in flight.  Basing a huge single patch on top of 'seen' is a
> way to ensure that the patch will never be useful.  There won't be a
> good time when such a topic can graduate.  The topic will also have
> a hard time keeping up with what new topics add while waiting for
> what happen to be in 'seen' today (some of which may even go away
> without graduating) all graduate.
>
> Limiting the scope to small and more stable subset of flags that are
> in 'master' and does not conflict (e.g. no new bit defined to the
> set of flags, no existing bit gets removed, no new callers that use
> the bitset introduced) with other topics would incrementally improve
> the code base, and makes progress in the sense that it reduces the
> remaining work.