From 08253234856c0e6f375ad399476fe749ca44f815 Mon Sep 17 00:00:00 2001 From: Amir Goldstein Date: Fri, 28 Apr 2017 11:24:47 +0300 Subject: [PATCH] overlay/017: verify constant inode number after rename 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 Reviewed-by: Eryu Guan Signed-off-by: Eryu Guan --- tests/overlay/017 | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/tests/overlay/017 b/tests/overlay/017 index 4ea6400a..4eab2a8c 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 -- 2.30.2