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overlay/017: test persistent inode numbers after mount cycle

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Overlayfs directory inodes are constant across copy up,
but not persistent on mount cycle.

Compare the inode numbers before and after mount cycle.

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
2017-04-28 11:24:48 +03:00
committed by Eryu Guan
parent 0825323485
commit cf0e25209d
1 changed files with 8 additions and 1 deletions
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tests/overlay/017
+8 -1
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@@ -9,7 +9,8 @@
# - stat file A shows inode number Y != X
#
# Also test if d_ino of readdir entries changes after copy up
# and if inode numbers persist after rename and drop caches.
# and if inode numbers persist after rename, drop caches and
# mount cycle.
#
#-----------------------------------------------------------------------
#
@@ -139,6 +140,12 @@ echo 3 > /proc/sys/vm/drop_caches
# Compare inode numbers before/after rename and drop caches
check_inode_numbers $testdir $tmp.after_copyup $tmp.after_move
# Verify that the inode numbers survive a mount cycle
_scratch_cycle_mount
# Compare inode numbers before/after mount cycle
check_inode_numbers $testdir $tmp.after_move $tmp.after_cycle
echo "Silence is golden"
status=0
exit