Re: [Qemu-block] [PATCH v2] qemu-img: Check for backing image if specified during create

[Eric Blake]

On 05/09/2017 01:17 PM, Eric Blake wrote:
> On 05/09/2017 01:09 PM, John Snow wrote:
>> Or, rather, force the open of a backing image if one was specified
>> for creation. Using a similar -unsafe option as rebase, allow qemu-img
>> to ignore the backing file validation if possible.
>>

>> +++ b/qemu-img.c
>> @@ -145,9 +145,11 @@ static void QEMU_NORETURN help(void)
>>             "  'snapshot_id_or_name' is deprecated, use 'snapshot_param'\n"
>>             "    instead\n"
>>             "  '-c' indicates that target image must be compressed (qcow 
>> format only)\n"
>> -           "  '-u' enables unsafe rebasing. It is assumed that old and new 
>> backing file\n"
>> -           "       match exactly. The image doesn't need a working backing 
>> file before\n"
>> -           "       rebasing in this case (useful for renaming the backing 
>> file)\n"
>> +           "  '-u' allows unsafe backing chains. For rebasing, it is 
>> assumed that old and new\n"
>> +           "       backing file match exactly. The image doesn't need a 
>> working backing file\n"
>> +           "       before rebasing in this case (useful for renaming the 
>> backing file)\n"

Also, a '.' to end this sentence would be nice.

>> +           "       For image creation, allow creating without attempting to"
> 
> Missing \n
> 
> With that fixed,
> Reviewed-by: Eric Blake <address@hidden>
> 

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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