Re: [Qemu-devel] [PATCH 15/16] support replication driver in blockdev-add

[Wen Congyang <wency@cn.fujitsu.com>]

On 09/03/2015 12:36 AM, Eric Blake wrote:
> On 09/02/2015 02:51 AM, Wen Congyang wrote:
>> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
>> ---
>>  qapi/block-core.json | 18 ++++++++++++++++--
>>  1 file changed, 16 insertions(+), 2 deletions(-)
>>
>> diff --git a/qapi/block-core.json b/qapi/block-core.json
>> index 96f0530..86275e3 100644
>> --- a/qapi/block-core.json
>> +++ b/qapi/block-core.json
>> @@ -1383,7 +1383,7 @@
>>              'dmg', 'file', 'ftp', 'ftps', 'host_cdrom', 'host_device',
>>              'host_floppy', 'http', 'https', 'null-aio', 'null-co', 'parallels',
>>              'qcow', 'qcow2', 'qed', 'quorum', 'raw', 'tftp', 'vdi', 'vhdx',
>> -            'vmdk', 'vpc', 'vvfat', 'nbd' ] }
>> +            'vmdk', 'vpc', 'vvfat', 'nbd', 'replication' ] }
> 
> 'nbd' is not in the current qemu.git; which means your patch series
> depends on a prerequisite series.  Please mention that sort of
> information in your cover letter.
> 
> Please keep this enum in alphabetical order.
> 
> Missing documentation under @drv of BlockDeviceInfo that this was
> introduced in 2.5.

OK

> 
>>  
>>  ##
>>  # @BlockdevOptionsBase
>> @@ -1825,6 +1825,19 @@
>>  { 'enum' : 'ReplicationMode', 'data' : [ 'primary', 'secondary' ] }
>>  
>>  ##
>> +# @BlockdevOptionsReplication
>> +#
>> +# Driver specific block device options for replication
>> +#
>> +# @mode: the replication mode
> 
> Can the mode be 'unprotected', or must it be 'primary' or 'secondary'
> when first creating a replication BDS?

I will check it, and fix it in the next version.

> 
>> +#
>> +# Since: 2.5
>> +##
>> +{ 'struct': 'BlockdevOptionsReplication',
>> +  'base': 'BlockdevOptionsGenericFormat',
>> +  'data': { 'mode': 'ReplicationMode'  } }
>> +
>> +##
>>  # @BlockdevOptions
>>  #
>>  # Options for creating a block device.
>> @@ -1869,7 +1882,8 @@
>>        'vhdx':       'BlockdevOptionsGenericFormat',
>>        'vmdk':       'BlockdevOptionsGenericCOWFormat',
>>        'vpc':        'BlockdevOptionsGenericFormat',
>> -      'vvfat':      'BlockdevOptionsVVFAT'
>> +      'vvfat':      'BlockdevOptionsVVFAT',
>> +      'replication':'BlockdevOptionsReplication'
>>    } }
> 
> It helps to keep this alphabetical.
> 

OK

Thanks
Wen Congyang