Eryu,
These assorted fixes improve test-ability with different overlay
mount option configurtions.
The first 2 patches don't fix any known issue, but they fix correctness
of the tests.
Patch 3 prepares the tests to work correctly with nfs_export=on, which
is now on Miklos' overlayfs-next branch. It shouldn't change behavior for
tests running on kernel without nfs_export.
First 3 patches may have trivial conflicts with Zhangyi's patch ("[5/5]
overlay: correct scratch dirs check").
Patch 4 fixes overlay/017 for the default redirect_dir=off configuration.
I believe there has been a miscommunication between us w.r.t overlay/017.
I guess it always fails in your tests and you thought that was expected.
Actually, since commit 0d84683 ("overlay/017: Remove constant
st_ino/d_ino test for hardlinks") the test was expected to pass with
default upstream configuration, but I missed the redirect_dir requirement
and probably also missed communicating this expectation to you.
When I tested overlay/017 with different configurations I ran into a
strange random failure that only happens with base fs xfs and overlay
mount options index=on,nfs_export=off. I finally tracked it down to an
xfs v4.15 regression and figured out why index=on improves the chances
to hit the bug (because overlay inodes are hashed).
So after patch 4 is applied, overlay/017 is expected to pass on upstream
kernel with default configuration and may may with inodex=on.
xfs bug fix was sent to Darrick.
Thanks,
Amir.
Amir Goldstein (4):
ovelray: drop explicit use of OVERLAY_MOUNT_OPTIONS
overlay/036: fix upper/lower dir mismatch
overlay: consider index dir with whiteouts clean
overlay/017: require and enable redirect_dir
tests/overlay/017 | 6 ++++--
tests/overlay/033 | 8 ++++++--
tests/overlay/034 | 8 ++++++--
tests/overlay/036 | 4 ++--
tests/overlay/041 | 6 ++----
tests/overlay/043 | 6 ++----
tests/overlay/044 | 7 ++-----
tests/overlay/048 | 4 +++-
tests/overlay/group | 2 +-
9 files changed, 28 insertions(+), 23 deletions(-)
--
2.7.4
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