Hello Fabio,

Fabio Erculiani:
> out of curiosity, what's the support status of kernel capabilities in AUFS?

If you mean capget(2)/capset(2), then aufs simply follows VFS and branch
fs in it.

If you mean ACL or XATTR, aufs doesn't support it currently. If I can
find a common set of them, I will try supporting. But it may be
hard. For instance,
- you have two branch fs in aufs.
- the lower branch fs supports ACL and has "foo:bar:baz" entry.
- you want to change its value for a file.
- aufs has to copyup the file and modify it in the upper branch fs.
- but the upper branch fs may not support ACL or such entry.

It means, you cannot modify ACL even if you know it exists. I don't
think it a good solution.


J. R. Okajima

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