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overlay/031: fix failure with whiteout inode sharing

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Kernel commit c21c839b8448 "ovl: whiteout inode sharing" results in
a temp whiteout file resident inside work dir.

Test overlay/031 is a regression test for two user visible bugs:
1. Exposed whiteouts in overlay
2. Failure to remove directory

It also has a sanity tests for a harmless by-product of the bug -
a residue file in work dir.

The new temp whiteout file looks like a residue and causes the test
to fail.

Drop this sanity test, because it is not vital to the regression test.
We could also check if the residue is a single whiteout, but that is
not really needed, so best not poke into overlay internal work dir.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Amir Goldstein
2020-05-20 11:53:44 +03:00
committed by Eryu Guan
parent b77be1c0ca
commit 1cb1f7eccf
1 changed files with 0 additions and 1 deletions
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tests/overlay/031
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@@ -94,7 +94,6 @@ _overlay_scratch_mount_dirs $lowerdir1 $upperdir $workdir
# try to remove test dir from overlay dir, trigger ovl_remove_and_whiteout,
# it will not clean up the dir and lead to residue.
rm -rf $SCRATCH_MNT/testdir 2>&1 | _filter_scratch
ls $workdir/work
$UMOUNT_PROG $SCRATCH_MNT