Re: [Qemu-devel] [PATCH v2 0/6] Mirrored writes using blockdev-transaction

[Paolo Bonzini]

Il 05/03/2012 09:53, Kevin Wolf ha scritto:
>> > 
>> > I think we need some sort of introspection method too in order for clients 
>> > to 
>> > figure out when the command is extended.
> How about coupling the types with independently available commands for
> now? We would rename 'snapshot' to 'blockdev-snapshot-sync', which does
> the same thing outside of transactions. The mirror patches would then
> introduce a 'drive-mirror' top-level command at the same time as they
> introduce a 'drive-mirror' transaction type.

Makes sense.  It would also be a good excuse to port
blockdev-snapshot-sync to the new fail-safe way.  I'll refresh my
patches if there's consensus.

Paolo