Re: [PATCH 05/24] Unionfs: Copyup Functionality

[Andrew Morton]

On Sun,  7 Jan 2007 23:12:57 -0500
"Josef 'Jeff' Sipek" <jsipek@xxxxxxxxxxxxx> wrote:

> From: Josef "Jeff" Sipek <jsipek@xxxxxxxxxxxxx>
> 
> This patch contains the functions used to perform copyup operations in unionfs.

What is a copyup operation and why does it exist?

It seems to be copying the entire contents of certain files.  That's not a
thing I'd have expected to see in a union filesystem.  Explain it all,
please?  (Somewhere where the info will be retained for posterity - a
random email is good, but not sufficient...)
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