199

#! /bin/bash
# FS QA Test No. 199
#
# Check that the features2 location fixups work correctly.  We check both
# a regular read-write mount of a filesystem and the case where the
# filesystem is first mounted read-only and then later remounted read-write,
# which is the usual case for the root filesystem.
#
#-----------------------------------------------------------------------
# Copyright (c) 2008 Christoph Hellwig.
#
# 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
#-----------------------------------------------------------------------
#
# creator
owner=hch@lst.de

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
	cd /
	umount $SCRATCH_MNT >/dev/null 2>&1
}
trap "_cleanup; exit \$status" 0 1 2 3 15

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

# real QA test starts here
_supported_fs xfs
_supported_os Linux

_require_scratch

_scratch_mkfs_xfs -l lazy-count=1 >/dev/null 2>&1

#
# Print the current flags.  Just a dummy so that the test breaks
# in an obvious way when the default feature flags changed in mkfs
#
echo "Default feature2 flags:"
xfs_db -x $SCRATCH_DEV -c 'sb' -c 'print features2'
xfs_db -x $SCRATCH_DEV -c 'sb' -c 'print bad_features2'

#
# Now clear the normal flags
#
echo "Clearing features2:"
xfs_db -x $SCRATCH_DEV -c 'sb' -c 'write features2 0'

_scratch_mount
umount $SCRATCH_MNT
echo "Features 2 after mount rw:"
xfs_db -x $SCRATCH_DEV -c 'sb' -c 'print features2'

#
# Clear the normal flags again for the second rount.
#
echo "Clearing features2:"
xfs_db -x $SCRATCH_DEV -c 'sb' -c 'write features2 0'

#
# And print the flags after a mount ro and remount rw
#
_scratch_mount -o ro
_scratch_mount -o remount,rw
umount $SCRATCH_MNT
echo "Features 2 after mount ro and remount rw:"
xfs_db -x $SCRATCH_DEV -c 'sb' -c 'print features2'

# success, all done
echo "*** done"
rm -f $seq.full
status=0