Re: silent semantic changes with reiser4

Shaya Potter
2004-08-29T16:01:13Z

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.