Re: [Qemu-devel] [PATCH] tcm_vhost: Expose ABI version via VHOST_SCSI_GET_ABI_VERSION

[Avi Kivity]

On 07/26/2012 05:34 AM, Nicholas A. Bellinger wrote:
> 
> In that case, respinning a -v5 for tcm_vhost to start from ABI=0 and
> will post an updated patch shortly.
> 
>> The main thing I would like to confirm is that this only versions the
>> tcm_vhost ioctls?  In that case a single version number works.
>> 
> 
> Correct, the GET_ABI_VERSION call is only intended to identify the
> changing of tcm_vhost ioctls.

Why use version numbers at all?

Feature maps are better, because you can get very fine granularity.


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