Re: [PATCH 1/3] nbd: support FLUSH requests

Paolo Bonzini
2013-02-12T18:06:28Z

Il 12/02/2013 18:37, Alex Bligh ha scritto:
> For my education, why remove the FUA stuff?

Because I had no way to test it.

>>> > > Hmmm... the underlying storage could be md/dm RAIDs in which case FUA
>>> > > should be cheaper than FLUSH.
>> >
>> > If someone ever wrote a virtio-blk backend that sits directly ontop
>> > of the Linux block layer that would be true.
> In this case we don't know what the backend is sitting on top of
> a-priori. It might be the current nbd server code, but it might
> not be.

Do you know of any other NBD server than the "official" one and qemu-nbd?

Paolo