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|
#! /bin/bash
# FS QA Test No. 206
#
# Test trim of last small AG for large filesystem resizes
#
# As reported at
# http://article.gmane.org/gmane.comp.file-systems.xfs.general/29187
# this trimming may cause an overflow in the new size calculation.
# Patch and testcase at
# http://article.gmane.org/gmane.comp.file-systems.xfs.general/29193
#
#-----------------------------------------------------------------------
# Copyright (c) 2009 Eric Sandeen.
#
# 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/$seq
seqres=$RESULT_DIR/$seq
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
umount $tmpdir
rmdir $tmpdir
rm -f $tmp
rm -f $tmpfile
}
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
# real QA test starts here
# Modify as appropriate.
_supported_fs xfs
_supported_os IRIX Linux
bitsperlong=`src/feature -w`
if [ "$bitsperlong" -ne 64 ]; then
_notrun "This test is only valid on 64 bit machines"
fi
rm -f $seqres.full
tmpfile=$TEST_DIR/fsfile.$$
tmpdir=$TEST_DIR/tmpdir.$$
mkdir -p $tmpdir || _fail "!!! failed to create temp mount dir"
# Create a file w/ the offset we wish to resize to
echo "=== truncate file ==="
dd if=/dev/zero of=$tmpfile bs=1 seek=19998630180864 count=1 >/dev/null 2>&1 \
|| _fail "!!! failed to truncate loopback file to correct size"
# mkfs slightly smaller than that
echo "=== mkfs.xfs ==="
mkfs.xfs -f -bsize=4096 -dagsize=76288719b,size=3905982455b -llazy-count=0 $tmpfile \
| sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
-e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
-e "s/, projid32bit=[0-9]//" \
-e "/.*crc=/d"
mount -o loop $tmpfile $tmpdir || _fail "!!! failed to loopback mount"
# see what happens when we growfs it
echo "=== xfs_growfs ==="
xfs_growfs $tmpdir \
| sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
-e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
-e "/.*crc=/d"
# and double-check the new geometry
echo "=== xfs_info ==="
xfs_info $tmpdir \
| sed -e "s,^meta-data=.*isize,meta-data=FILE isize,g" \
-e "s/\(^log.*blocks=\)\([0-9]*,\)/\1XXXXX,/" \
-e "/.*crc=/d"
# _cleanup cleans up for us
# success, all done
status=0
exit
|
