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From: Sylvain Joyeux <sylvain.joyeux@m4x.org>
Date: Mon, 14 Mar 2016 09:39:51 -0300
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Subject: dedup and receive -p
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I was trying to find a definitive information about this, but could not ...

AFAIK,  defrag breaks CoW and send/receive -p. I was wondering whether
deduplication would break it too, i.e. if doing a send/receive to
transfer a subvolume, running dedup, and then using said subvolum as a
parent with send -p would work or not.

Sylvain