Joel Becker wrote: > On Mon, Mar 22, 2010 at 09:55:49PM +0800, jeff.liu wrote: >> I found cp(1) has an '--reflink' option, at first, I think it is means the >> OCFS2 reflink >> operation(please refer to http://lwn.net/Articles/331576/). >> >> But by checking through the source code, looks it does another thing for >> Btrfs only. > > Yeah, this was the cp folks conflating my reflink patch and > chris's btrfs operation. > >> btw, is it acceptable to add the OCFS2 reflink into the cp(1) program, it >> could be implemented very >> similar to the current "clone_file()" function(also call ioctl(2), due to >> reflink(2) does not merged >> into mainline for now), and share the same command line trigger(i.e. >> --reflink=[WHEN]). >> If so, I'd like to write the patch. > > If you can make the cp --reflink option do the btrfs thing for > btrfs and the ocfs2 thing for ocfs2, go for it! > I'll try to find out how to do it. :-)
> Joel > Regards, -Jeff
