[Libguestfs] [PATCH nbdkit v5 FINAL 00/19] Implement extents.

[Eric Blake]

On 3/29/19 3:52 AM, Richard W.M. Jones wrote:

>> The full and null plugins should probably have a trivial .extents that
>> reports completely sparse, all of the time :)
> 
> I think it would be wrong for full wouldn't it?  It could mean that
> the client would skip the read, thus not getting the intended ENOSPC
> error.  For null I agree.
> 

The full plugin always reads as 0 successfully. It is only writes that
differ (successfully ignored vs ENOSPC) between the two plugins.


>> Language bindings will also be an interesting exercise ;)
> 
> Yes, the language bindings lag behind what's available because they
> aren't generated ...

I still need to revive my patches for adding fua support to python
bindings...

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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