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Sat, 12 Jul 2025 14:13:25 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AAF9B20043; Sat, 12 Jul 2025 14:13:25 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 55A3620040; Sat, 12 Jul 2025 14:13:23 +0000 (GMT) Received: from li-dc0c254c-257c-11b2-a85c-98b6c1322444.ibm.com (unknown [9.124.215.252]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Sat, 12 Jul 2025 14:13:23 +0000 (GMT) From: Ojaswin Mujoo To: Zorro Lang , fstests@vger.kernel.org Cc: Ritesh Harjani , djwong@kernel.org, john.g.garry@oracle.com, tytso@mit.edu, linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: [PATCH v3 10/13] ext4/061: Atomic writes stress test for bigalloc using fio crc verifier Date: Sat, 12 Jul 2025 19:42:52 +0530 Message-ID: <9b59eb50b171dece1a15bc7c1b6cadff438586d6.1752329098.git.ojaswin@linux.ibm.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEyMDEwNCBTYWx0ZWRfX5KGzAWTU3qBu N/JlvOAAzw1myelIEJyeLgEOJMjCCIkJgO73d93zY9MldqWJj9RT3l65VoSn9NW6wK3AEUhMeOu nrnK14Ip+EbdAS+OYqVKUOLjb80mloZHvqjuTd/v7jPS8zUNDPEkKHb4t2vRIN7RosfFIL+j/WT nPLGYKyagwPhZYAHkYdY5ECxkbVZADZxk9smyWKNRODzFbFNFGesF7KwkFhYl5dMYKIyklVGEAR S3Vn3dgx0nNmruBwn/Dm87QkwVaZijDzor3HHILpetsjPa2jTiONmnrVffehnzcKrWLa08ma6wQ rASiQnpBFJCS7BD5C4cDv6w3XGT1klLe09GgprgLbITNGewV9WmUVLfMfnSAAGfTyUTTjfG4ohk 8rBoGaxObkvSAGpoYMlgakmCG4m03Va0HJz8gQDtn4ja6ueabAbg84BXN8oi8U3LrVXUXZYz X-Proofpoint-GUID: bgzu00rkDSaEKEAAK2_bFebARTH_GFyb X-Proofpoint-ORIG-GUID: Eq5_KCTouqDEGWF_fTlL_SK0fRYtfMj1 X-Authority-Analysis: v=2.4 cv=KezSsRYD c=1 sm=1 tr=0 ts=68726d89 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=Wb1JkmetP80A:10 a=pGLkceISAAAA:8 a=VnNF1IyMAAAA:8 a=jHICElQ_nnKT0EPUS5YA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-12_02,2025-07-09_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 suspectscore=0 phishscore=0 mlxlogscore=822 mlxscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507120104 Content-Type: text/plain; charset="utf-8" From: "Ritesh Harjani (IBM)" We brute force all possible blocksize & clustersize combinations on a bigalloc filesystem for stressing atomic write using fio data crc verifier. We run nproc * $LOAD_FACTOR threads in parallel writing to a single $SCRATCH_MNT/test-file. With atomic writes this test ensures that we never see the mix of data contents from different threads on a given bsrange. Signed-off-by: Ritesh Harjani (IBM) Signed-off-by: Ojaswin Mujoo --- tests/ext4/061 | 130 +++++++++++++++++++++++++++++++++++++++++++++ tests/ext4/061.out | 2 + 2 files changed, 132 insertions(+) create mode 100755 tests/ext4/061 create mode 100644 tests/ext4/061.out diff --git a/tests/ext4/061 b/tests/ext4/061 new file mode 100755 index 00000000..a0e49249 --- /dev/null +++ b/tests/ext4/061 @@ -0,0 +1,130 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2025 IBM Corporation. All Rights Reserved. +# +# FS QA Test 061 +# +# Brute force all possible blocksize clustersize combination on a bigalloc +# filesystem for stressing atomic write using fio data crc verifier. We run +# nproc * 2 * $LOAD_FACTOR threads in parallel writing to a single +# $SCRATCH_MNT/test-file. With fio aio-dio atomic write this test ensures = that +# we should never see the mix of data contents from different threads for = any +# given fio blocksize. +# + +. ./common/preamble +. ./common/atomicwrites + +_begin_fstest auto rw stress atomicwrites + +_require_scratch_write_atomic +_require_aiodio + +FIO_LOAD=3D$(($(nproc) * 2 * LOAD_FACTOR)) +SIZE=3D$((100*1024*1024)) +fiobsize=3D4096 + +# Calculate fsblocksize as per bdev atomic write units. +bdev_awu_min=3D$(_get_atomic_write_unit_min $SCRATCH_DEV) +bdev_awu_max=3D$(_get_atomic_write_unit_max $SCRATCH_DEV) +fsblocksize=3D$(_max 4096 "$bdev_awu_min") + +function create_fio_configs() +{ + create_fio_aw_config + create_fio_verify_config +} + +function create_fio_verify_config() +{ +cat >$fio_verify_config <$fio_aw_config <> $seqres.full 2>&1 || continue + if _try_scratch_mount >> $seqres.full 2>&1; then + echo "=3D=3D FIO test for fsblocksize=3D$fsblocksize fsclustersize=3D$= fsclustersize fiobsize=3D$fiobsize =3D=3D" >> $seqres.full + + touch $SCRATCH_MNT/f1 + create_fio_configs + + cat $fio_aw_config >> $seqres.full + echo >> $seqres.full + cat $fio_verify_config >> $seqres.full + + $FIO_PROG $fio_aw_config >> $seqres.full + ret1=3D$? + + $FIO_PROG $fio_verify_config >> $seqres.full + ret2=3D$? + + _scratch_unmount + + [[ $ret1 -eq 0 && $ret2 -eq 0 ]] || _fail "fio with atomic write faile= d" + fi + done + done +done + +# success, all done +echo Silence is golden +status=3D0 +exit diff --git a/tests/ext4/061.out b/tests/ext4/061.out new file mode 100644 index 00000000..273be9e0 --- /dev/null +++ b/tests/ext4/061.out @@ -0,0 +1,2 @@ +QA output created by 061 +Silence is golden --=20 2.49.0