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Any introspection into reflinked files?Any introspection into reflinked files?Posted May 6, 2009 2:12 UTC (Wed) by knobunc (subscriber, #4678)Parent article: The two sides of reflink()
Will there be any way to tell if a reflink is still viable? I can tell if two files are hardlinked by looking at the inodes.
But can I tell if two files are reflinked? Can I tell if one has changed after the fact? If the smarter COW semantics that only copy necessary blocks in a changed file is used, is there any way to tell which portions of the file are common, or at least what percentage?
Can you reflink something more than once... I assume so. And if so, how does that impact the above questions.
Thanks, -ben
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