Re: [PATCH v10 1/9] error: auto propagated local_err

[Markus Armbruster]

Greg Kurz <groug@kaod.org> writes:

> On Tue, 17 Mar 2020 18:16:17 +0300
> Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> wrote:
>
>> Introduce a new ERRP_AUTO_PROPAGATE macro, to be used at start of
>> functions with an errp OUT parameter.
>> 
>> It has three goals:
>> 
>> 1. Fix issue with error_fatal and error_prepend/error_append_hint: user
>> can't see this additional information, because exit() happens in
>> error_setg earlier than information is added. [Reported by Greg Kurz]
>> 
>
> I have more of these coming and I'd really like to use ERRP_AUTO_PROPAGATE.
>
> It seems we have a consensus on the macro itself but this series is gated
> by the conversion of the existing code base.
>
> What about merging this patch separately so that people can start using
> it at least ?

Please give me a few more days to finish the work I feel should go in
before the conversion.  With any luck, Vladimir can then rebase /
recreate the conversion easily, and you can finally use the macro for
your own work.