Comparing snapshots?

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Hi,

for a backup program I have to find all differing files
(including metadata) in two snapshots taken from the same
subvolume.

Having looked at the find-new command I thought about this
process:

1. Get the two transids when the two snapshots were created.

2. Query modifications to the original subvolume between the two
   transids.

Is the general process corrent or have I overseen something?

AFAIS the btrfs tool does not provide the required
information/commands. Would it be possible to add those?

Thanks in advance,
  Arvin

-- 
Arvin Schnell, <aschnell@xxxxxxx>
Senior Software Engineer, Research & Development
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
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