On Tue, Jun 05, 2012 at 01:42:50PM +1000, Chris Samuel wrote: > On 05/06/12 13:01, Marc MERLIN wrote: > > > First I though, I sure would be nice if I could take btrfs to reference > > the same blocks from the snapshot to my current image. > > But, --reflink failed across devices nodes, so I was forced to > > copy/duplicate the blocks (36GB). > > Patches for this were posted over a year ago, but it was NAK'd by > Christoph Hellwig. I don't know if it's got any further since then. :-( > > Patch description: > > http://www.spinics.net/lists/linux-btrfs/msg09226.html > > NAK: > > http://www.spinics.net/lists/linux-btrfs/msg09229.html Thanks for that. So, I'm not sure how common my use case is, but obviously for cases were recovering a huge file is important, like disk images, being able to re-link blocks without copying would be fantastic. So here's my vote for that. Thanks, Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
