tree 99741f0167aaf551b8b3242438ed9c5a4ec0460e
parent 538d8a4bcc782258f8f95fae815d5e859dee9126
author Amir Goldstein <amir73il@gmail.com> 1576947887 +0200
committer Eryu Guan <guaneryu@gmail.com> 1578465760 +0800

overlay: Test unique st_dev;st_ino on non-samefs setup

Check that files from middle layer on same fs as upper layer
are not allowed to export the real inode st_dev;st_ino.

This is a regression test for kernel commit:
  9c6d8f13e9da ("ovl: fix corner case of non-unique st_dev;st_ino")

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>