[PATCH 06/10] repair: use a listhead for the dotdot list

[Christoph Hellwig]

On Mon, Feb 24, 2014 at 05:29:25PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> Cleanup suggested by Christoph Hellwig - removes another open coded
> list implementation.

Looks good.  Question for both the old and new code:  any good reason to
do the dotdot updates LIFO?  If yes it might be worth adding a comment
about that fact.

Reviewed-by: Christoph Hellwig <hch at lst.de>