From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
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 <darrick.wong@xxxxxxxxxx>
---
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
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