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#!/bin/sh -x
set -e
ceph fs set cephfs allow_new_snaps true --yes-i-really-mean-it
mkdir -p 1/a
exec 3<> 1/a/file1
echo -n a >&3
mkdir 1/.snap/s1
echo -n b >&3
mkdir 2
# create new snaprealm at dir a, file1's cap should be attached to the new snaprealm
mv 1/a 2
mkdir 2/.snap/s2
echo -n c >&3
exec 3>&-
grep '^a$' 1/.snap/s1/a/file1
grep '^ab$' 2/.snap/s2/a/file1
grep '^abc$' 2/a/file1
rmdir 1/.snap/s1
rmdir 2/.snap/s2
rm -rf 1 2
echo OK
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