overlay: test hardlink breakage on copy up

Introduce a new test to demonstrate a known issue with overlayfs:
- file A and B are hardlinked in lower
- modify A to trigger copy up
- file A is no longer a hardlink of file B

There is no fix for this issue at this time.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Amir Goldstein
2016-12-13 07:12:37 +02:00
committed by Eryu Guan
parent 84db46e3d3
commit d6e6c05c45
3 changed files with 92 additions and 0 deletions
+2
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QA output created by 018
Silence is golden