On Thu, Dec 30, 2010 at 4:24 PM, Henrique de Moraes Holschuh <h...@debian.org> wrote: > On Thu, 30 Dec 2010, Olaf van der Spek wrote: >> The reason I asked for a kernelland solution is because it's hard if >> not impossible to do properly in userland. But some kernel devs (Ted >> and others) don't agree. They reason that the desire to preserve all >> meta-data isn't reasonable by itself. > > It isn't.
Why not? > And you can do it anyway: > > 1. open target, keep it open. > 2. do the safe open+write dance on the temp target. > 3. get metadata from target by fd > 4. apply metadata to temp target by fd > 5. atomic rename > 6. close both fds > 7. sync parent dir. Doesn't work for file-owner. How does it handle meta-data you don't know about yet? Olaf -- To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/aanlktimgqaavbzgwndr6bf87=1bvb1au++qje29d+...@mail.gmail.com
