From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm0-f66.google.com ([74.125.82.66]:33159 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1034798AbdD1IYs (ORCPT ); Fri, 28 Apr 2017 04:24:48 -0400 From: Amir Goldstein Subject: [PATCH v2 5/6] overlay/017: verify constant inode number after rename Date: Fri, 28 Apr 2017 11:24:47 +0300 Message-Id: <1493367888-26550-6-git-send-email-amir73il@gmail.com> In-Reply-To: <1493367888-26550-1-git-send-email-amir73il@gmail.com> References: <1493367888-26550-1-git-send-email-amir73il@gmail.com> Sender: fstests-owner@vger.kernel.org To: Eryu Guan Cc: Miklos Szeredi , Xiong Zhou , linux-unionfs@vger.kernel.org, fstests@vger.kernel.org List-ID: 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 --- tests/overlay/017 | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) 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 -- 2.7.4