Re: [PATCH] ovl: fix copy up opaque directory

[Miklos Szeredi <miklos@szeredi.hu>]

On Thu, Aug 4, 2016 at 9:04 PM, Derek McGowan <dmcg@drizz.net> wrote:
> When a copy up of a directory occurs which has the opaque xattr set, the
> xattr remains in the upper directory. The immediate behavior with overlayfs
> is that the upper directory is not treated as opaque, however after a
> remount the opaque flag is used and upper directory is treated as opaque.
> This causes files created in the lower layer to be hidden when using
> multiple lower directories. This change fixes the behavior to remove the
> opaque flag when an opaque directory is copied up.

Thanks for the report.

I redid the patch to instead of "copy + check + remove" the xattr it
simply doesn't copy.

Updated patch pushed to:

  git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git for-linus

Thanks,
Miklos