Here is the real destination, I had pasted the same as source:
http://pastebin.com/nyTDeaae

On Mon, Jul 26, 2010 at 8:55 AM, Jérôme Poulin <[email protected]> wrote:
> After pulling the new changes, I tried to do the cp --reflink=always and 
> still get files with no data in it.
> cp --reflink=always on different subvolume: http://pastebin.com/zutMPe1h
> ls -lisa on source: http://pastebin.com/8BU2Xyr5
> ls -lisa on destination after trying to copy: http://pastebin.com/EPV70cD3
>
> However, copying on the same subvolume now works perfectly, so I guess this 
> is fixed.
>
> On Wed, Jul 21, 2010 at 11:32 AM, Chris Mason <[email protected]> wrote:
>> On Wed, Jul 21, 2010 at 11:11:13AM -0400, Jérôme Poulin wrote:
>>> I've got the same problem, and that post clearly seems to say it is 
>>> possible.
>>> cp --reflink=always source subvolume1/   gives me:
>>> cp: failed to clone `xxxx': Invalid cross-device link
>>>
>>> Even on the same subvolume I get 10% of the files telling me the same.
>>>
>>> btrfs-bcp copy the files in its integrity.
>>
>> Ok, this is a bug in the ioctl.  I'll fix it up.
>>
>> -chris
>>
>
>
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