Files
apfstests/tests/generic/378
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 378
#
# Simple permission check on hard links.
#
# Overlayfs had a bug that hardlinks don't share inode, if chmod/chown/etc.
# is performed on one of the links then the inode belonging to the other
# one won't be updated. The following patch fixed this issue
#
# 51f7e52 ovl: share inode for hard link
#
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
# remove previous $seqres.full before test
rm -f $seqres.full
# real QA test starts here
_supported_fs generic
_require_test
_require_user
_require_hardlinks
# Setup testfile and its hardlink
testfile=$TEST_DIR/testfile.$seq
testlink=$testfile.hardlink
rm -f $testfile $testlink
echo "You should not see this" >$testfile
ln $testfile $testlink
# remove read permission from testfile and unprivileged user should have no
# permission to read testfile and hardlink
chmod -r $testfile
_user_do "cat $testfile"
_user_do "cat $testlink"
# success, all done
status=0
exit