Re: Copy on write hard links?

From: JÃrn Engel
Date: Fri Dec 13 2013 - 19:19:56 EST


On Wed, 25 September 2013 16:28:53 +0200, Thomas Meyer wrote:
>
> I wonder how hard it would be to implement this on vfs layer?

As an ugly hack: a few weeks maybe. Did it back in 2005 or so. If
you have higher standards, you will need support from the underlying
filesystem. Especially in order to make copying a large file on slow
storage anything but a nightmare.

JÃrn

--
When in doubt, use brute force.
-- Ken Thompson
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