Re: [PATCH 6/7 v3] overlay: hybrid overlay filesystem prototype

[J. R. Okajima]

Andreas Gruenbacher:
> I can think of arguments for either behavior, perhaps with a slight preference 
> for your suggestion (default = opaque).
>
> In any case, admins will need a way to flip opaque flags and remove undesired 
> whiteouts.

Agreed.
Aufs is providing two options for this issue, "diropq=always" and
"diropq=whiteouted". Several years ago, the default was "always". But
soon it changed to "whiteouted" and I have never received objection
from users.
As for as I know, some users are happy since the number of whiteouts was
reduced. Because they merge layers manually for system
maintenance. Unnecessary whiteouts are not good to them.


J. R. Okajima
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