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apfstests/tests/generic/095
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Zorro Lang 8e3d3c5815 generic/095: don't silence fio error output
This case print both fio stdout and stderr to .full file, that cause
we miss some unexpected failures when there's a bug. For example:

  file:io_u.c:1803, func=io_u error, error=Block device required

This's an regression issue we find on a downstream kernel, not in
upstream. So release unexpected fio error output to find more issues.

Signed-off-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2021-02-07 22:41:58 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015 Red Hat Inc. All Rights Reserved.
#
# FS QA Test generic/095
#
# Concurrent mixed I/O (buffer I/O, aiodio, mmap, splice) on the same files
#
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 $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_scratch
_require_odirect
iodepth=$((16 * LOAD_FACTOR))
iodepth_batch=$((8 * LOAD_FACTOR))
numjobs=$((5 * LOAD_FACTOR))
fio_config=$tmp.fio
cat >$fio_config <<EOF
[global]
bs=8k
iodepth=$iodepth
iodepth_batch=$iodepth_batch
randrepeat=1
size=1m
directory=$SCRATCH_MNT
numjobs=$numjobs
[job1]
ioengine=sync
bs=1k
direct=1
rw=randread
filename=file1:file2
[job2]
ioengine=libaio
rw=randwrite
direct=1
filename=file1:file2
[job3]
bs=1k
ioengine=posixaio
rw=randwrite
direct=1
filename=file1:file2
[job4]
ioengine=splice
direct=1
rw=randwrite
filename=file1:file2
[job5]
bs=1k
ioengine=sync
rw=randread
filename=file1:file2
[job6]
ioengine=posixaio
rw=randwrite
filename=file1:file2
[job7]
ioengine=splice
rw=randwrite
filename=file1:file2
[job8]
ioengine=mmap
rw=randwrite
bs=1k
filename=file1:file2
[job9]
ioengine=mmap
rw=randwrite
direct=1
filename=file1:file2
EOF
# with ioengine=mmap and direct=1, fio requires bs to be at least pagesize,
# which is a fio built-in var.
echo 'bs=$pagesize' >> $fio_config
rm -f $seqres.full
_require_fio $fio_config
_scratch_mkfs >>$seqres.full 2>&1
_scratch_mount
# There's a known EIO failure to report collisions between directio and buffered
# writes to userspace, refer to upstream linux 5a9d929d6e13. So ignore EIO error
# at here.
$FIO_PROG $fio_config --ignore_error=,EIO --output=$seqres.full
echo "Silence is golden"
# xfs generates WARNINGs on purpose when applications mix buffered/mmap IO with
# direct IO on the same file. On the other hand, this fio job has been proven
# to be potent, we don't want to simply _disable_dmesg_check which could miss
# other potential bugs. So filter out the intentional WARNINGs, make sure test
# doesn't fail because of this warning and fails on other WARNINGs.
# umount before checking dmesg in case umount triggers any WARNING or Oops
_scratch_unmount
_check_dmesg _filter_aiodio_dmesg
status=$?
exit