On Wed, Feb 24, 2021 at 09:13:07PM +0000, g4sra via Dng wrote:
> 
> Just pulled this kernel commit...
> 
> commit 7d6beb71da3cc033649d641e1e608713b8220290
> Merge: aa8e3291729f f69e8091c4a2
> Author: Linus Torvalds <torva...@linux-foundation.org>
> Date:   Tue Feb 23 13:39:45 2021 -0800
> 
> <snip>
> 
>        - Idmapped mounts make it possible to easily share files between
>          multiple users or multiple machines especially in complex
>          scenarios. For example, idmapped mounts will be used in the
>          implementation of portable home directories in
>          systemd-homed.service(8) where they allow users to move their        
>         home
>          directory to an external storage device and use it on multiple
>          computers where they are assigned different uids and gids. This
>          effectively makes it possible to assign random uids and gids at
>          login time.
> 
> 
> <snip>
> 
> I remember the question regarding implementation of migratory home 
> directories raising it's head in the past. We now have the answer.

Let me hopw NFS will use that technique.

It squashes root.  I'd like it to reassign UIDs too.

-- hendrik
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