--- /dev/null
+#!/bin/sh -x
+
+set -e
+
+ceph mds set allow_new_snaps true --yes-i-really-mean-it
+
+echo asdf > a
+mkdir .snap/1
+chmod 777 a
+mkdir .snap/2
+echo qwer > a
+mkdir .snap/3
+chmod 666 a
+mkdir .snap/4
+echo zxcv > a
+mkdir .snap/5
+
+ls -al .snap/?/a
+
+grep asdf .snap/1/a
+stat .snap/1/a | grep 'Size: 5'
+
+grep asdf .snap/2/a
+stat .snap/2/a | grep 'Size: 5'
+stat .snap/2/a | grep -- '-rwxrwxrwx'
+
+grep qwer .snap/3/a
+stat .snap/3/a | grep 'Size: 5'
+stat .snap/3/a | grep -- '-rwxrwxrwx'
+
+grep qwer .snap/4/a
+stat .snap/4/a | grep 'Size: 5'
+stat .snap/4/a | grep -- '-rw-rw-rw-'
+
+grep zxcv .snap/5/a
+stat .snap/5/a | grep 'Size: 5'
+stat .snap/5/a | grep -- '-rw-rw-rw-'
+
+rmdir .snap/[12345]
+
+echo "OK"
+
+
+