Re: [Qemu-devel] [PATCH] qcow2-refcount: Snapshot update for zero clusters

[Max Reitz]

Am 29.08.2013 14:30, schrieb Eric Blake:
> On 08/29/2013 04:16 AM, Max Reitz wrote:
> > Do not try to update the refcount for zero clusters in
> > qcow2_update_snapshot_refcount.
> Why? What does this fix?
>
> (Hint - your commit message could use more details, and you should add a
> testsuite addition that exposes the case that you are fixing)
Okay, I'll put more detail into the message.

The test case is actually kind of contained in my series "block/qcow2: 
Image file option amendment", but, of course, you're right, a dedicated 
test case won't hurt.


Max