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#! /bin/bash
# FS QA Test No. 216
#
# log size mkfs test - ensure the log size scaling works for small filesystems
#
#-----------------------------------------------------------------------
# Copyright (c) 2008 Silicon Graphics, 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
#-----------------------------------------------------------------------
#
# creator
owner=dgc@sgi.com
seq=`basename $0`
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 $tmp.*
_cleanup_testdir
}
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
# real QA test starts here
_supported_fs xfs
_supported_os Linux
_setup_testdir
_require_scratch
_scratch_mkfs_xfs >/dev/null 2>&1
_scratch_mount
_require_loop
LOOP_DEV=$SCRATCH_MNT/test_fs
LOOP_MNT=$SCRATCH_MNT/test_fs_dir
_do_mkfs()
{
for i in $*; do
echo -n "fssize=${i}g "
$MKFS_XFS_PROG -f -b size=4096 -l version=2 \
-d name=$LOOP_DEV,size=${i}g |grep log
mount -o loop -t xfs $LOOP_DEV $LOOP_MNT
echo "test write" > $LOOP_MNT/test
umount $LOOP_MNT
done
}
# make large holey file
$XFS_IO_PROG -f -c "truncate 256g" $LOOP_DEV
#make loopback mount dir
mkdir $LOOP_MNT
# walk over standard sizes (up to 256GB)
_do_mkfs 1 2 4 8 16 32 64 128 256
status=0
exit
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