[OpenAFS] 'split' a tree of directory into volumes?

[Todd M. Lewis]

Lester Barrows wrote:
> [... good stuff about 'up' not preserving directory timestamps...]
>
> It seems to work as-is, but begs the question: If it's that easy, do you (or 
> does anyone) know why this isn't done already?

Sure: Nobody's contributed the code.  Seriously.  When I added the bits 
to make it aware of mount points, I had a particular itch to scratch 
that day.  The fact that directory time stamps weren't preserved just 
didn't itch me then, and evidently hasn't bothered anybody else enough 
to do something about it...

...until you came along, of course!  I'm looking forward to your 
patches.  :-)

> Is there a reason that in 
> general we don't want to preserve directory timestamps when duplicating a 
> directory? Or is it possible for this to somehow blow up on me in an obscure 
> fashion? :-)

I can't think of any reason not to preserve timestamps. OTOH, I couldn't 
imagine why you'd ever want the old, non-mount point aware behavior 
either, but I made it an option with the old behavior as the default 
anyway. I guess that was not to surprise either one of the regular 'up' 
users who might have a script that depends on the old behavior. I still 
can't decide if that was a mistake.

Does 'up' preserve timestamps on files? If so, it should preserve them 
on directories too. My opinion, ymmv, etc.  Cheers,

> Regards,
> 
> Lester Barrows
> Asani Solutions, LLC
> Code IC Systems Group
> NASA Ames Research Center
> Voice: 650-604-2639
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