On Thu 17 Jan 2019 04:50:20 PM CET, Eric Blake wrote:
>> Removing the backing file can be done by simply passing the option {
>> ..., "backing": null } to x-blockdev-reopen.
>>
> Hmm - that makes my proposal of "option":null as an explicit request
> to the default a bit trickier, if we are already using null for a
> different meaning for backing files.
At the moment 'backing' seems to be the only option that allows a null
value (BlockdevRefOrNull in particular). I suppose there could be more
in the future?
Also, having 'null' meaning 'reset to default' would make this API
differ from blockdev-add, which I'm trying not to do.
Berto
