Re: Copy on write hard links?

From: Adam Borowski
Date: Tue Sep 24 2013 - 21:40:50 EST

On Tue, Sep 24, 2013 at 08:36:56PM +0200, Thomas Meyer wrote:
> Is there such a thing?

In mainline, AFAIK no. The vserver patchset, on the other hand, adds a new
xattr, iunlink, that copies the whole file when needed. That works on most

That's quite a hack, though, and I think you'd be better off using btrfs
which does cow transparently at a lower level than hardlinks.

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