Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed

[Dave Chinner]

On Fri, Jun 24, 2016 at 03:51:57PM +0200, Damien Gombault wrote:
> Hi.
> 
> Thank you for the patch.
> 
> The patch fixes simple cases (like my reproducer) but it does not fix
> restoration of more complex directory structures : I have tested the
> patch on my
> real data, it fixes some but not all warnings (a user renamed/moved
> a lots of
> files and directory between the 2 dumps).
> 
> Here is another testcase which fails (with the patch) :
> 
> mkdir dira
> mkdir dira/dirc
> touch dira/dirc/filea
> mkdir dirb
> 
> .
> ├── dira
> │   └── dirc
> │       └── filea
> └── dirb
> 
> Make a level 0 dump.
> 
> mv dirb dira/dirB
> mv dira/dirc/ dira/dirB/dirC
> touch dira/dirB/dirC/fileb
> 
> .
> └── dira
>     └── dirB
>         └── dirC
>             ├── filea
>             └── fileb

Well, yes. I specifically said in the patch description that it
doesn't fix those nested dependency cases and that much deeper
surgery is needed to handle those cases.

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com