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List:       linux-unionfs
Subject:    [PATCH] overlay: check visible whiteouts in pure-upper directory
From:       Konstantin Khlebnikov <koct9i () gmail ! com>
Date:       2016-01-31 21:24:57
Message-ID: 145427549775.28346.2363708034750122757.stgit () zurg
[Download RAW message or body]

Moving non-pure file into pure-upper directory and removing it here
leaves visible whiteout.

Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
---
 tests/overlay/002     |   71 +++++++++++++++++++++++++++++++++++++++++++++++++
 tests/overlay/002.out |    2 +
 tests/overlay/group   |    1 +
 3 files changed, 74 insertions(+)
 create mode 100755 tests/overlay/002
 create mode 100644 tests/overlay/002.out

diff --git a/tests/overlay/002 b/tests/overlay/002
new file mode 100755
index 000000000000..30b2b5561fce
--- /dev/null
+++ b/tests/overlay/002
@@ -0,0 +1,71 @@
+#! /bin/bash
+# FS QA Test 002
+#
+# Visible whiteouts in pure-upper directory
+#
+# https://bugzilla.kernel.org/show_bug.cgi?id=109611
+# https://github.com/docker/docker/issues/9572
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2016 Konstantin Khlebnikov.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+	cd /
+	rm -f $tmp.*
+	rm -fr $TEST_DEV/upper/$seq.pure
+	rm -fr $TEST_DEV/upper/$seq.file
+	rm -fr $TEST_DEV/lower/$seq.file
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs overlay
+_supported_os Linux
+_require_test
+
+echo "Silence is golden."
+
+touch $TEST_DEV/lower/$seq.file
+
+cd $TEST_DIR
+mkdir $seq.pure
+mv $seq.file $seq.pure
+rm $seq.pure/$seq.file
+ls $seq.pure
+
+# success, all done
+status=0
+exit
diff --git a/tests/overlay/002.out b/tests/overlay/002.out
new file mode 100644
index 000000000000..c1642bfddbae
--- /dev/null
+++ b/tests/overlay/002.out
@@ -0,0 +1,2 @@
+QA output created by 002
+Silence is golden.
diff --git a/tests/overlay/group b/tests/overlay/group
index 51a62cf64b89..877b5d2d6add 100644
--- a/tests/overlay/group
+++ b/tests/overlay/group
@@ -4,3 +4,4 @@
 # do not start group name with a digit
 #
 001 perms auto quick
+002 auto quick metadata

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