Re: btrfs send receive, clone

2014-04-24 Thread Hugo Mills
On Thu, Apr 24, 2014 at 09:23:28AM -0600, Chris Murphy wrote: I don't understand the btrfs send -c clone-src man page text, or really even the use case. In part this is what it says: You must not specify clone sources unless you guarantee that these snapshots are exactly in the same

Re: btrfs send receive, clone

2014-04-24 Thread Hugo Mills
On Thu, Apr 24, 2014 at 04:55:10PM +0100, Hugo Mills wrote: I'm trying to think of a case where -c is useful that doesn't involve someone having done cp --reflink=always between subvolumes, but I can't. OK, you can use -c if you don't have a record of the relationships between the

Re: btrfs send receive, clone

2014-04-24 Thread Chris Murphy
On Apr 24, 2014, at 9:55 AM, Hugo Mills h...@carfax.org.uk wrote: On Thu, Apr 24, 2014 at 09:23:28AM -0600, Chris Murphy wrote: I don't understand the btrfs send -c clone-src man page text, or really even the use case. In part this is what it says: You must not specify clone sources

Re: btrfs send receive, clone

2014-04-24 Thread Hugo Mills
On Thu, Apr 24, 2014 at 11:22:40AM -0600, Chris Murphy wrote: On Apr 24, 2014, at 9:55 AM, Hugo Mills h...@carfax.org.uk wrote: On Thu, Apr 24, 2014 at 09:23:28AM -0600, Chris Murphy wrote: I don't understand the btrfs send -c clone-src man page text, or really even the use case.