Re: [PATCH] xfstests: add specific test for default ACL inheritance

[Dave Chinner <david@fromorbit.com>]

On Wed, Oct 16, 2013 at 10:10:23AM -0500, Eric Sandeen wrote:
> On 10/16/13 9:04 AM, Filipe David Borba Manana wrote:
> > This test is motivated by an issue found by a btrfs user, addressed
> > and described by the following GNU/Linux kernel patch:
> > 
> > https://patchwork.kernel.org/patch/3046931/
> 
> Hi Filipe, thanks for the patch.
> 
> Usually we don't want to add new, possibly-failing cases to old tests;
> that makes it harder to identify when the code regressed vs. when
> the test changed to test new things.
> 
> It would be better to just copy the framework of tests/shared/051
> to a new test in shared/ and test only this new inheritance
> problem.
> 
> Also, I'm confused about this hunk:
> 
> > @@ -345,7 +345,12 @@ chacl $acl2 largeaclfile
> >  getfacl --numeric largeaclfile | _filter_aces
> >  
> >  echo "1 above xfs acl max"
> > -chacl $acl3 largeaclfile
> > +if [ "$FSTYP" != "btrfs" ]; then
> > +	chacl $acl3 largeaclfile
> > +else
> > +	echo 'chacl: cannot set access acl on "largeaclfile": Invalid argument'
> > +fi
> > +
> >  getfacl --numeric largeaclfile | _filter_aces
> >  
> >  echo "use 16 aces"
> 
> What's that about?

That's working around the "XFS only supports 25 ACLs test".

Another reason for making this a separate, generic test.

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com