diff mbox

[v2,5/6] overlay/017: verify constant inode number after rename

Message ID 1493367888-26550-6-git-send-email-amir73il@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Amir Goldstein April 28, 2017, 8:24 a.m. UTC 
The test verifies constant inode number after copy up.

Verify that inode number remains constant also after rename
and drop caches (when overlayfs needs to find the lower
inodes in another location).

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
---
 tests/overlay/017 | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/tests/overlay/017 b/tests/overlay/017
index 3ff429f..fe2518b 100755
--- a/tests/overlay/017
+++ b/tests/overlay/017
@@ -8,7 +8,8 @@ 
 # - modify A to trigger copy up
 # - stat file A shows inode number Y != X
 #
-# Also test if d_ino of readdir entries changes after copy up.
+# Also test if d_ino of readdir entries changes after copy up
+# and if inode numbers persist after rename and drop caches.
 #
 #-----------------------------------------------------------------------
 #
@@ -114,6 +115,8 @@  _scratch_mount
 
 
 rm -f $tmp.*
+testdir=$SCRATCH_MNT/test
+mkdir -p $testdir
 
 # Record inode numbers before copy up
 record_inode_numbers $SCRATCH_MNT $tmp.before
@@ -126,6 +129,16 @@  done
 # Compare inode numbers before/after copy up
 check_inode_numbers $SCRATCH_MNT $tmp.before $tmp.after_copyup
 
+for f in $FILES; do
+	# move to another dir
+	mv $SCRATCH_MNT/$f $testdir/
+done
+
+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
+
 echo "Silence is golden"
 status=0
 exit