We found some AIO write related bugs recently, so I think a AIO random write test is needed. By the new aio-aio-write-verify.c tool, we can do this easily. Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx> --- Hi, This patch need "[PATCH v3] generic: unaligned direct AIO write test" at first: https://marc.info/?l=fstests&m=155395889909063&w=2 Thanks, Zorro tests/generic/998 | 87 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/998.out | 2 + tests/generic/group | 1 + 3 files changed, 90 insertions(+) create mode 100755 tests/generic/998 create mode 100644 tests/generic/998.out diff --git a/tests/generic/998 b/tests/generic/998 new file mode 100755 index 00000000..54b79691 --- /dev/null +++ b/tests/generic/998 @@ -0,0 +1,87 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2019 Red Hat, Inc. All Rights Reserved. +# +# FS QA Test No. 998 +# +# Randomly direct AIO write&verify stress test +# +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 + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_require_scratch +_require_aiodio aio-dio-write-verify + +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount + +localfile=$SCRATCH_MNT/testfile +diosize=`_min_dio_alignment $SCRATCH_DEV` + +# The maximum write size and offset are both 32k diosize. So the maximum +# file size will be (32 * 2)k +free_size_k=`df -kP $SCRATCH_MNT | grep -v Filesystem | awk '{print $4}'` +max_io_size_b=$((32 * 1024)) +if [ $max_io_size_b -gt $((free_size_k * 1024 / 2 / diosize)) ]; then + max_io_size_b=$((free_size_k * 1024 / 2 / diosize)) +fi + +do_test() +{ + local num_oper + local oper_list="" + local size + local off + local truncsize + + # the number of AIO write operation + num_oper=$((RANDOM % 64 + 1)) + + for ((i=0; i<num_oper; i++)); do + size=$(((RANDOM % max_io_size_b + 1) * diosize)) + off=$((RANDOM % max_io_size_b * diosize)) + oper_list="$oper_list -a size=$size,off=$off" + done + truncsize=$(((RANDOM * diosize + RANDOM % diosize) % max_io_size_b)) + + $AIO_TEST -t $truncsize $oper_list $localfile + if [ $? -ne 0 ];then + echo "$AIO_TEST -t $truncsize $oper_list $localfile" + echo "==========^^ Fail ^^==========" + fi +} + +testimes=$((LOAD_FACTOR * 100)) +while [ $testimes -gt 0 ]; do + echo > $localfile + do_test + ((testimes--)) +done + +echo "Silence is golden" + +# success, all done +status=0 +exit diff --git a/tests/generic/998.out b/tests/generic/998.out new file mode 100644 index 00000000..d2679ae0 --- /dev/null +++ b/tests/generic/998.out @@ -0,0 +1,2 @@ +QA output created by 998 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index 0c3016fd..36b180c3 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -540,4 +540,5 @@ 535 auto quick log 536 auto quick rw shutdown 537 auto quick trim +998 auto stress aio 999 auto quick aio -- 2.17.2
