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List: fstests
Subject: [PATCH v2 6/6] overlay/017: test persistent inode numbers after mount cycle
From: Amir Goldstein <amir73il () gmail ! com>
Date: 2017-04-28 8:24:48
Message-ID: 1493367888-26550-7-git-send-email-amir73il () gmail ! com
[Download RAW message or body]
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>
---
tests/overlay/017 | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/tests/overlay/017 b/tests/overlay/017
index fe2518b..c5671ec 100755
--- a/tests/overlay/017
+++ b/tests/overlay/017
@@ -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
--
2.7.4
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