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Re: Pity userspace on where this is done on a simple minded filesystem

Re: Pity userspace on where this is done on a simple minded filesystem

Posted May 6, 2009 1:01 UTC (Wed) by corbet (editor, #1)
In reply to: Re: Pity userspace on where this is done on a simple minded filesystem by adj
Parent article: The two sides of reflink()

btrfs, at least, has COW wired pretty deeply into it. So it will only copy blocks which have actually been changed. Results on other filesystems may vary.


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