Files
apfstests/tests/generic/027
T
Eryu Guan 30c7a09615 generic/027: discard mkdir error message
mkdir fails due to ENOSPC occasionally and will fail the whole test.
Redirect stdout and stderr to /dev/null.

Also fix the code style in _cleanup to use single tab.

Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2015-03-18 14:57:49 +11:00

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#! /bin/bash
# FS QA Test No. generic/027
#
# Run 8 processes writing 1k files to seperate files in seperate dirs to
# hit ENOSPC on small fs with little free space. Loop for 100 iterations.
#
# Regression test for
# 34cf865 ext4: fix deadlock when writing in ENOSPC conditions
#
#-----------------------------------------------------------------------
# Copyright (c) 2014 Red Hat 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
#-----------------------------------------------------------------------
#
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 -f $tmp.*
}
create_file()
{
local dir=$1
local direct=$2
local i=0
mkdir -p $dir >/dev/null 2>&1
while $XFS_IO_PROG -f $direct -c "pwrite 0 1k" $dir/file_$i >/dev/null 2>&1; do
let i=$i+1
done
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
# real QA test starts here
_supported_fs generic
_supported_os Linux
_require_scratch
rm -f $seqres.full
echo "Silence is golden"
_scratch_mkfs_sized $((256 * 1024 * 1024)) >>$seqres.full 2>&1
_scratch_mount
echo "Reserve 2M space" >>$seqres.full
$XFS_IO_PROG -f -c "pwrite 0 2m" $SCRATCH_MNT/testfile >>$seqres.full 2>&1
echo "Fulfill the fs" >>$seqres.full
$XFS_IO_PROG -f -c "pwrite 0 254m" $SCRATCH_MNT/bigfile >>$seqres.full 2>&1
echo "Remove reserved file" >>$seqres.full
rm -f $SCRATCH_MNT/testfile
loop=100
# btrfs takes much longer time, reduce the loop count
if [ "$FSTYP" == "btrfs" ]; then
loop=10
fi
dir=$SCRATCH_MNT/testdir
echo -n "iteration" >>$seqres.full
i=1
while [ $i -le $loop ]; do
echo -n " $i" >>$seqres.full
nr_worker=8
while [ $nr_worker -gt 0 ]; do
# half buffered I/O half direct I/O
if [ `expr $nr_worker % 2` -eq 0 ]; then
create_file $dir/$nr_worker -d >>$seqres.full &
else
create_file $dir/$nr_worker >>$seqres.full &
fi
let nr_worker=$nr_worker-1
done
wait
rm -rf $dir
let i=$i+1
done
_scratch_unmount
status=0
exit