On Saturday, 09 October, 2010, you (Mike Hommey) wrote: > On Thu, Oct 07, 2010 at 11:13:18PM +0200, Goffredo Baroncelli wrote: > > On Thursday, 07 October, 2010, David Nicol wrote: > > > On Thu, Oct 7, 2010 at 8:18 AM, Mike Hommey <m...@glandium.org> wrote: > > > > BTW, it would be very useful to be able to turn existing directories > > > > into subvolumes. > > > > > > does a (link,unlink) move work across subvolumes? > > > > The link across subvolumes is not allowable. In the beginning it was > > possible, but that was source of bugs. See the thread "Hard link across > > subvolumes" > > > > http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg03286.html > > But couldn't cp --reflink be made to work? > I don't know why, but I can confirm that in the btrfs kernel source it is checked the case that the "reflink" is preformed between two subvolume. And in this case this action is denied.
http://git.kernel.org/?p=linux/kernel/git/mason/btrfs- unstable.git;a=blob;f=fs/btrfs/ioctl.c;h=9254b3d58dbef22974af3c7c61dbc9a4af7a33b6;hb=HEAD#l1489 -- gpg key@ keyserver.linux.it: Goffredo Baroncelli (ghigo) <kreij...@inwind.it> Key fingerprint = 4769 7E51 5293 D36C 814E C054 BF04 F161 3DC5 0512 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
