Test that an incremental send operation works after deduplicating into the
same file in both the parent and send snapshots.
This currently fails on btrfs and a kernel patch to fix it was submitted
with the subject:
Btrfs: fix incremental send failure after deduplication
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>