James Bottomley: > With a different owner view, but that's irrelevant to the underlying > inode. Ok, the different ownership is limited within shitfs (or userns, container). Good. I might forget that shiftfs wants to behave like bind-mount. And I noticed that shiftfs setattr() converts uid/gid before calling backend fs' ->setattr(). It is good too. But how about acl? Won't such conversion be necessary for acl too? J. R. Okajima