beginners project: RENAME_WHITEOUT

[cem at maiolino.org]

Quoting Christoph Hellwig <hch at infradead.org>:

> On Fri, Nov 07, 2014 at 04:59:49PM -0600, Eric Sandeen wrote:
>> On 11/7/14 1:09 PM, Christoph Hellwig wrote:
>> > The overlayfs merge introduces a new rename flag to create to whiteouts.
>> > Should be a fairly easy to implement.
>> >
>> > Miklos, do you have any good documentation and/or test cases for this?
>>
>> FWIW, Carlos just expressed some interest today in doing this, and it
>> builds on his earlier patches, yes?
>
> It's in the same area, but not otherwise related.  But I'd be happy if
> he picks it up.

consider it picked up..