| #! /bin/bash |
| # FS QA Test No. 215 |
| # |
| # Test out c/mtime updates after mapped writes. |
| # |
| # Based on the testcase in http://bugzilla.kernel.org/show_bug.cgi?id=2645 |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2009 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 |
| #----------------------------------------------------------------------- |
| # |
| |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $testfile |
| } |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| 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 generic |
| _supported_os Linux |
| _require_test |
| |
| testfile=$TEST_DIR/tst.mmap |
| |
| echo |
| echo "creating test file" |
| dd if=/dev/zero of=$testfile count=4096 |
| |
| mtime1=`stat -c "%Y" $testfile` |
| ctime1=`stat -c "%Z" $testfile` |
| |
| sleep 2 |
| |
| echo |
| echo "writing via mmap" |
| $XFS_IO_PROG -f \ |
| -c 'mmap 0 4096' \ |
| -c 'mwrite 0 4096' \ |
| $testfile | _filter_xfs_io_unique |
| |
| mtime2=`stat -c "%Y" $testfile` |
| ctime2=`stat -c "%Z" $testfile` |
| |
| let mtime_diff=$mtime2-$mtime1 |
| let ctime_diff=$ctime2-$ctime1 |
| |
| if [ "$mtime_diff" -eq "0" ]; then |
| echo "FAIL: mtime not update after mapped write" |
| fi |
| |
| if [ "$ctime_diff" -eq "0" ]; then |
| echo "FAIL: ctime not update after mapped write" |
| fi |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seqres.full |
| status=0 |