example of trusted.overlay.origin

gistfile1.txt

root@bincastle-dev:/home/sipsma/tmp/wh-issue2# ls
root@bincastle-dev:/home/sipsma/tmp/wh-issue2# mkdir -p lower/foo upper work merged
root@bincastle-dev:/home/sipsma/tmp/wh-issue2# touch lower/foo/bar
root@bincastle-dev:/home/sipsma/tmp/wh-issue2# mount overlay -t overlay -o lowerdir=lower,upperdir=upper,workdir=work,xino=off merged/
root@bincastle-dev:/home/sipsma/tmp/wh-issue2# rm merged/foo/bar
root@bincastle-dev:/home/sipsma/tmp/wh-issue2# umount merged/
root@bincastle-dev:/home/sipsma/tmp/wh-issue2# ls -la upper/foo/
total 8
drwxr-xr-x 2 root root 4096 Aug  4 15:50 .
drwxr-xr-x 3 root root 4096 Aug  4 15:49 ..
c--------- 1 root root 0, 0 Aug  4 15:50 bar
root@bincastle-dev:/home/sipsma/tmp/wh-issue2# python3
Python 3.8.2 (default, Jul 16 2020, 14:00:26)
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> os.listxattr("upper/foo")
['trusted.overlay.origin']