Copying related snapshots to another server with btrfs send/receive?

[Marc MERLIN <marc@merlins.org>]

Another question I just came up with.

If I have historical snapshots like so:
backup
backup.sav1
backup.sav2
backup.sav3

If I want to copy them up to another server, can btrfs send/receive
let me copy all of the to another btrfs pool while keeping the
duplicated block relationship between all of them?
Note that the backup.sav dirs will never change, so I won't need
incremental backups on those, just a one time send.
I believe this is supposed to work, correct?

The only part I'm not clear about is am I supposed to copy them all at
once in the same send command, or one by one?

If they had to be copied together and if I create a new snapshot of
backup: backup.sav4

If I use btrfs send to that same destination, is btrfs send/receive indeed 
able to keep the shared block relationship?

Thanks,
Marc
-- 
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