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SubjectRe: Recursive directory accounting for size, ctime, etc.
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On Tue, Jul 15, 2008 at 02:16:45PM -0700, Sage Weil wrote:
> On Tue, 15 Jul 2008, J. Bruce Fields wrote:
> > I just wonder how one would explain to users (or application writers)
> > why changes to a file are reflected in the parent's rctime in one case,
> > and not in another, especially if the primary link is otherwise
> > indistinguishable from the others. The symptoms could be a bit
> > mysterious from their point of view.
>
> Yes. I'm not sure it can really be avoided, though. I'm trying to lift
> the usual restriction of having to predefine what the
> volume/subvolume/qtree boundary is and then disallowing links/renames
> between then. When all of a file's links are contained within the
> directory you're looking at (i.e. something that might be a subvolume
> under that paradigm), things look sensible. If links span two directories
> and you're looking at recursive stats for a dir containing only one of
> them, then you're necessarily going to have some weirdness (you don't want
> to double-count).

Yeah, there's no clear right answer--that's partly why I was curious
about rctime specifically.

--b.


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