Messages in this thread | | | Subject | Re: silent semantic changes with reiser4 | From | Shaya Potter <> | Date | Sun, 29 Aug 2004 08:52:46 -0700 |
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On Sun, 2004-08-29 at 16:34 +0400, Alex Zarochentsev wrote:
> Do you mean COW files or some another thing? For COW files, the reiser4 > support is not enough, we need to teach cp(1) or another utility to inform the > fs layer that copying can be done by creation of COW files.
it's easy enough to add that via an fs ioctl(), I did the equivalent last semester for some research I'm doing while using ext3cow (which unfortunately was put on hold for the summer), it's just a take off of sys_link(), a sys_cowpy() of sorts.
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