Re: [Qemu-devel] [PATCH v7 29/31] qapi: Simplify semantics of visit_next_list()

[Eric Blake <eblake@redhat.com>]

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On 12/10/2015 10:32 AM, Eric Blake wrote:
> On 12/07/2015 08:55 PM, Eric Blake wrote:
> 
>> We can greatly simplify things by hoisting the special case
>> into the start() routine, and flipping the order in the loop
>> to visit before advance:
>>
>> start(head)
>> element = *head
>> while (element) {
>>     visit(element)
>>     element = next(element)
>> }
>>

> Looking at this, it is inconsistent with start_struct (where name comes
> AFTER the object); that is, I think this should probably be:
> 
> void (*start_list)(Visitor *v, GenericList **list, const char *name,
> Error **errp);
> 
> although I'll still wait for review comments before respinning.

I've also bisected this patch as causing assertion failures in
qemu-iotests 041 and 139, so I'll have to sort that out on the respin.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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