Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount

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To: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 7 Feb 2017 11:47:42 -0800
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>, "Theodore Ts'o" <tytso@xxxxxxx>, "J. R. Okajima" <hooanon05g@xxxxxxxxx>, Djalal Harouni <tixxdz@xxxxxxxxx>, Chris Mason <clm@xxxxxx>, Josh Triplett <josh@xxxxxxxxxxxxxxxx>, "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Seth Forshee <seth.forshee@xxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, Dongsu Park <dongsu@xxxxxxxxxxxx>, David Herrmann <dh.herrmann@xxxxxxxxxxxxxx>, Miklos Szeredi <mszeredi@xxxxxxxxxx>, Alban Crequy <alban.crequy@xxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, "Serge E. Hallyn" <serge@xxxxxxxxxx>, Phil Estes <estesp@xxxxxxxxx>
In-reply-to: <1486494068.2488.55.camel@HansenPartnership.com>
User-agent: Mutt/1.7.1 (2016-10-04)

On Tue, Feb 07, 2017 at 11:01:08AM -0800, James Bottomley wrote:
> I was talking about inode stability in the filesystem underlying the
> export.  I believe you're talking about inode number stability
> guarantees of the nfs client code itself, which are unrelated to the
> inode number guarantees of the exported filesystem?

They are 1:1 correlated for a Linux server at least.

References:
- [RFC 0/1] shiftfs: uid/gid shifting filesystem (s_user_ns version)
  - From: James Bottomley
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: James Bottomley
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: J. R. Okajima
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: James Bottomley
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: Theodore Ts'o
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: James Bottomley
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: J. Bruce Fields
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: James Bottomley
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: J. Bruce Fields
- Re: [RFC 1/1] shiftfs: uid/gid shifting bind mount
  - From: James Bottomley

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