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apfstests/tests/overlay/009
T
Darrick J. Wong a860a167d8 common: kill _supported_os
fstests only supports Linux, so get rid of this unnecessary predicate.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2020-09-21 01:16:50 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Red Hat Inc. All Rights Reserved.
#
# FS QA Test 009
#
# dentry leak for default_permissions mount option
#
# This is fixed by kernel commit named as
# ovl: fix dentry leak for default_permissions
#
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.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
rm -f $seqres.full
# real QA test starts here
_supported_fs overlay
_require_scratch
# Remove all files from previous tests
_scratch_mkfs
# Create test file in lowerdir
lowerdir=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER
mkdir -p $lowerdir
touch $lowerdir/testfile
# mount overlay with default_permissions option, get a reference on the dentry
_scratch_mount -o default_permissions
cat $SCRATCH_MNT/testfile
# overlay will be unmounted by test harness and kernel BUG if dentry leaked
echo "Silence is golden"
status=0
exit