Messages in this thread |  | | | From | Andreas Gruenbacher <> | | Subject | Re: [PATCH 6/7 v3] overlay: hybrid overlay filesystem prototype | | Date | Mon, 27 Sep 2010 13:49:48 +0200 |
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On Monday 27 September 2010 10:11:53 Miklos Szeredi wrote: > [...] marking new directories opaque is only a half solution. > E.g. consider the case when we have /a/b/c/ on the lower fs > and /a/b/ on the upper, which is not opaque. Then /a/b/c/ is created > on the upper fs off-line. The union logic can't notice that "c" > should really be opaque and will merge with the contents of the lower > layer.
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.
Thanks, Andreas
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