Re: [Qemu-devel] [Nbd] [PATCH v2] doc: Add NBD_CMD_BLOCK_STATUS extension

[Paolo Bonzini]

On 04/04/2016 21:34, Eric Blake wrote:
> At this point, I was just trying to rebase the proposal as originally
> made by Denis and Pavel; perhaps they will have more insight on how they
> envisioned using the command, or on whether we should try harder to make
> this more of a two-way protocol (where the client can tell the server
> when to mark something as clean, or when to start tracking whether
> something is dirty).

I don't think so, this command (if I understand correctly) is meant for
the case where the dirty bitmap is static (e.g. the underlying image is
read-only).

Paolo

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