Re: [Qemu-devel] [qemu-iotests][PATCH] Update rbd support

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On Wed, 13 Apr 2011 04:43:39 +0200, Christoph Hellwig <hch@xxxxxx>
wrote:
>> @@ -43,6 +43,10 @@ _supported_fmt raw
>>  _supported_proto generic
>>  _supported_os Linux
>>
>> +# rbd images are not growable
>> +if [ "$IMGPROTO" = "rbd" ]; then
>> +    _notrun "image protocol $IMGPROTO does not support growable images"
>> +fi
> 
> I suspect we only support the weird writing past size for the
> file protocol, so we should only run the test for it.
> 
> Or does sheepdog do anything special about it?

Sheepdog supports it by truncating to the right size if a write
would be past the end. I'm not sure if other protocols support
it.
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