From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from userp1040.oracle.com ([156.151.31.81]:46743 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbdKCE1U (ORCPT ); Fri, 3 Nov 2017 00:27:20 -0400 Date: Thu, 2 Nov 2017 21:27:17 -0700 From: "Darrick J. Wong" Subject: [PATCH v2 14/14] generic: test IO at maximum file offset Message-ID: <20171103042717.GC1233@magnolia> References: <150957278824.18388.17975162441125293654.stgit@magnolia> <150957287448.18388.6362701157489515704.stgit@magnolia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <150957287448.18388.6362701157489515704.stgit@magnolia> Sender: fstests-owner@vger.kernel.org To: eguan@redhat.com Cc: linux-xfs@vger.kernel.org, fstests@vger.kernel.org List-ID: From: Darrick J. Wong Make sure we can write to and read from the highest possible offset that Linux will allow. Format the filesystem with a variety of possible blocksizes to stress the filesystem. Signed-off-by: Darrick J. Wong --- v2: fixes suggested by eryu --- tests/generic/705 | 98 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/705.out | 2 + tests/generic/group | 1 + 3 files changed, 101 insertions(+) create mode 100755 tests/generic/705 create mode 100644 tests/generic/705.out diff --git a/tests/generic/705 b/tests/generic/705 new file mode 100755 index 0000000..18916c3 --- /dev/null +++ b/tests/generic/705 @@ -0,0 +1,98 @@ +#! /bin/bash +# FS QA Test No. 705 +# +# Check that high-offset reads and writes work. +# +#----------------------------------------------------------------------- +# Copyright (c) 2017, Oracle and/or its affiliates. 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! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_os Linux +_require_scratch_nocheck + +rm -f $seqres.full + +echo "Silence is golden" + +echo "Starting test" > $seqres.full +devsize=$(blockdev --getsize64 $SCRATCH_DEV) +for blocksize in 512 1024 2048 4096 8192 16384 32768 65536; do + echo "+ Format blocksize $blocksize and mount" >> $seqres.full + _scratch_unmount > /dev/null 2>&1 + # Try to format and mount with the given blocksize. If they don't + # succeed, move on to the next block size. + unset MKFS_OPTIONS + if ! _scratch_mkfs_sized $devsize $blocksize >> $seqres.full 2>&1 || + ! _scratch_mount >> $seqres.full 2>&1 || + test "$(stat -f -c '%S' $SCRATCH_MNT)" -ne "$blocksize"; then + echo "+++ Format and mount failed" >> $seqres.full + continue + fi + + testdir=$SCRATCH_MNT/test-$seq + mkdir $testdir + + echo "++ Create the original files" >> $seqres.full + bigoff=$(echo "2^63 - 2" | $BC_PROG) + len=$(echo "2^63 - 1" | $BC_PROG) + $XFS_IO_PROG -f -c "truncate $len" $testdir/file0 >> $seqres.full 2>&1 + if [ ! -s $testdir/file0 ]; then + # If we can't set a large file size then don't bother + # with this blocksize because the fs doesn't support it. + echo "+++ High offset ftruncate failed" >> $seqres.full + continue + fi + _pwrite_byte 0x61 $bigoff 1 $testdir/file1 >> $seqres.full + + echo "++ Check file creation" >> $seqres.full + _scratch_cycle_mount + + expected="7ffffffffffffffe: 61 a" + actual="$($XFS_IO_PROG -c "pread -v -q $bigoff 1" $testdir/file1)" + if [ "$expected" = "$actual" ]; then + echo "+++ Success!" >> $seqres.full + else + echo "+++ Discrepancy @ blocksize $blocksize" >> $seqres.full + echo "Discrepancy @ blocksize $blocksize" + fi + + echo "++ Check scratchfs" >> $seqres.full + _check_scratch_fs +done + +# success, all done +status=0 +exit diff --git a/tests/generic/705.out b/tests/generic/705.out new file mode 100644 index 0000000..6fcdec0 --- /dev/null +++ b/tests/generic/705.out @@ -0,0 +1,2 @@ +QA output created by 705 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index fbe0a7f..2c55b93 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -468,3 +468,4 @@ 463 auto quick clone dangerous 464 auto rw 465 auto rw quick aio +705 auto quick rw