Re: strawman proposal: homed directories for users

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On Mo, 07.10.24 20:55, Chris Murphy (lists@xxxxxxxxxxxxxxxxx) wrote:

> > What happens if there are conflicts of uid or gid ?
>
> uid/gid are recursively changed at mount time to avoid
> conflicts. For large homes, this could result in a lot of metadata
> writes.

Oh, that hasn't been the case for a long time anymore. Nowadays files
on disk are owned by the "nobody" user always, and idmapped mounts are
used to map them transiently to the UID/GID assigned to the user on
the local machine.

Or in other words, it's basically free, now.

> And at least on my setup with many read-only snapshots in
> ~/, permissions changes wouldn't be permitted, even by the root
> user.

Not sure I grok what you are trying to say here?

Lennart

--
Lennart Poettering, Berlin
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