Re: [PATCH 1/2] storage: allow zero capacity with non-backing file to be created

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On 07/24/2015 06:10 AM, Ján Tomko wrote:
> On Thu, Jul 23, 2015 at 04:01:22PM -0400, John Ferlan wrote:
>>
>>
>> On 06/30/2015 04:19 PM, Chris J Arges wrote:
>>> In commit fbcf7da95, a change was introduced that no longer allowed defining
> 
> As John pointed out, it was commit 155ca616e that changed it.
> 
>>> volumes via XML with a capacity of '0'. Because we check for info.size_arg to be
>>> non-zero, this use-case fails. This patch allows info.size_arg to be zero if no
>>> backing store is specified.
>>>
> 
> I must admit I do not see the use case here.
> Should we allow zero-sized volumes with backing stores too?
> Other than that the fix looks good to me.
> 
>>> Signed-off-by: Chris J Arges <chris.j.arges@xxxxxxxxxxxxx>
>>> ---
>>>  src/storage/storage_backend.c | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>
>> Found an orphaned patch....
>>
> 
> Nice catch, it must've slipped through the cracks.
> 
>> Since that's Jan's fix - he should have a say here, but it seems you're
>> correct. Also of note is commit id '155ca616e' which changed the check
>> to add that check for size_arg being non-zero.
>>
>> The ordering of the date of when the change was created is odd. Commit
>> id 'fbcf7da95' was committed after '155ca616e', but authored months before.
> 
> It was resting in my local git for a while, then rebased against master.
> The AuthorDate only says when the commit was started and does not get
> updated with every amend/rebase.
> 
> Jan
> 

Hey thanks for taking a look.
At this point do you need me to re-send the patch with any updates?

--chris

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