unclejack e1cbb6a909 fix layer size computation: handle hard links
This change makes docker compute layer size correctly.

The old code isn't taking hard links into account. Layers could
seem like they're up to 1-1.5x larger than they really were.
Upstream-commit: ac821f2446628a9151587038f1d377f57985a452
Component: engine
2013-11-19 13:37:54 +02:00
Description
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