| #! /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 |
| # |
| . ./common/preamble |
| _begin_fstest auto rw stress |
| |
| # Import common functions. |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_scratch |
| _require_odirect |
| _require_aio |
| |
| iodepth=$((16 * LOAD_FACTOR)) |
| iodepth_batch=$((8 * LOAD_FACTOR)) |
| numjobs=$((5 * LOAD_FACTOR)) |
| fio_config=$tmp.fio |
| fio_out=$tmp.fio.out |
| blksz=$(_min_dio_alignment $SCRATCH_DEV) |
| cat >$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=$blksz |
| direct=1 |
| rw=randread |
| filename=file1:file2 |
| [job2] |
| ioengine=libaio |
| rw=randwrite |
| direct=1 |
| filename=file1:file2 |
| [job3] |
| bs=$blksz |
| 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 |
| |
| _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 $fio_config --ignore_error=,EIO --output=$fio_out |
| cat $fio_out >> $seqres.full |
| echo "Silence is golden" |
| |
| # xfs generates WARNINGs on purpose when applications mix buffered/mmap IO with |
| # direct IO on the same file. On the other hand, this fio job has been proven |
| # to be potent, we don't want to simply _disable_dmesg_check which could miss |
| # other potential bugs. So filter out the intentional WARNINGs, make sure test |
| # doesn't fail because of this warning and fails on other WARNINGs. |
| |
| # umount before checking dmesg in case umount triggers any WARNING or Oops |
| _scratch_unmount |
| |
| _check_dmesg _filter_aiodio_dmesg |
| |
| status=$? |
| exit |
