Re: [PATCH V2] ovl: Allocate anonymous devs for lowerdirs

[Chandan Rajendra <chandan@linux.vnet.ibm.com>]

On Friday, June 23, 2017 7:04:57 PM IST Amir Goldstein wrote:
> On Fri, Jun 23, 2017 at 2:01 PM, Chandan Rajendra
> <chandan@linux.vnet.ibm.com> wrote:
> > For stat(2) on lowerdir non-dir entries in non-samefs case, this commit
> > provides unique values for st_dev. The unique values are obtained by
> > allocating anonymous bdevs for each of the lowerdirs in the overlayfs
> > instance.
> >
> > Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
> > ---
> 
> Reviewed-by: Amir Goldstein <amir73il@gmail.com>
> Tested-by: Amir Goldstein <amir73il@gmail.com>
> 
> Miklos,
> 
> I re-created the branch ovl-constino [1] on top of ovl-hardlinks and without
> the consistent dino patches.
> 
> Applied Chandan's patch and resolved conflicts with my patches.
> Then, applied my patch to relax constant st_ino  for non-samefs on stat(2).
> 
> Mutilated unionmount-testsuite layers check [2] to get over the unexpected
> pseudo dev and now tests pass for non samefs including constant ino
> verification and persistent ino verification for non-dir.
> 
> Chandan,
> 
> If you can fix the mutilated unionmount-testsuite check_layer(), that would be
> nice.
> 

Sure, I will work on it right away. Thanks for your guidance.


-- 
chandan