tests/xfs/053

#! /bin/bash
# FS QA Test 053
#
# Ensure that xfs_repair can properly spot SGI_ACL_FILE
# and SGI_ACL_DEFAULT in the root attr namespace.
#
# Due to bugs here and there, we sometimes matched on partial
# strings with those names, and threw off xfs_repair.
#
#-----------------------------------------------------------------------
# Copyright (c) 2015 Red Hat, Inc.  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!

# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/attr

_cleanup()
{
	cd /
	rm -f $tmp.*
}
trap "_cleanup; exit \$status" 0 1 2 3 15

# real QA test starts here

_supported_fs xfs
_supported_os Linux
_require_scratch
_require_attrs

_scratch_mkfs >/dev/null 2>&1
_scratch_mount

# Create root attr names which are substrings or superstrings
# of the reserved ACL names, and make sure xfs_repair copes.

# Due to various bugs, either the compared length was shorter
# than the reserved name (7 chars), so substrings matched, and/or only
# the reserved name length was compared, so superstrings matched.

rm -f $SCRATCH_MNT/$seq.*

# actual reserved names:
#           SGI_ACL_FILE	SGI_ACL_DEFAULT
for NAME in SGI_ACL \
	    SGI_ACL_F		SGI_ACL_D \
	    SGI_ACL_FILE_FOO	SGI_ACL_DEFAULT_FOO; do
	touch $SCRATCH_MNT/${seq}.${NAME}
	$ATTR_PROG -R -s $NAME -V "Wow, such $NAME" $SCRATCH_MNT/$seq.$NAME \
		| _filter_scratch
done

# Older repair failed because it sees the above names as matching
# SGI_ACL_FILE / SGI_ACL_DEFAULT but w/o valid acls on them

# The test harness will catch this (false positive) corruption

# success, all done
status=0
exit