From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm0-f67.google.com ([74.125.82.67]:35006 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1033096AbdD1IYu (ORCPT ); Fri, 28 Apr 2017 04:24:50 -0400 From: Amir Goldstein Subject: [PATCH v2 6/6] overlay/017: test persistent inode numbers after mount cycle Date: Fri, 28 Apr 2017 11:24:48 +0300 Message-Id: <1493367888-26550-7-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: 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 --- 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