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

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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

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