From patchwork Wed Feb 10 20:58:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Theodore Ts'o X-Patchwork-Id: 12081731 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8518C433DB for ; Wed, 10 Feb 2021 20:59:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C4B164E02 for ; Wed, 10 Feb 2021 20:59:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232037AbhBJU7Q (ORCPT ); Wed, 10 Feb 2021 15:59:16 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:39114 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231193AbhBJU7Q (ORCPT ); Wed, 10 Feb 2021 15:59:16 -0500 Received: from cwcc.thunk.org (pool-72-74-133-215.bstnma.fios.verizon.net [72.74.133.215]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 11AKwRqY005015 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Feb 2021 15:58:28 -0500 Received: by cwcc.thunk.org (Postfix, from userid 15806) id 9718015C3601; Wed, 10 Feb 2021 15:58:27 -0500 (EST) From: "Theodore Ts'o" To: fstests@vger.kernel.org Cc: "Theodore Ts'o" Subject: [PATCH] generic: test which tries to exercise AIO/DIO into unwritten space Date: Wed, 10 Feb 2021 15:58:18 -0500 Message-Id: <20210210205818.1494305-1-tytso@mit.edu> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org This test verifies that the an unwritten extent is properly marked as written after writing into it. There was a hard-to-hit bug which would occasionally trigger with ext4 for which this test was a reproducer. This has been fixed after moving ext4 to use iomap for Direct I/O's, although as of this writing, there are still some occasional failures on ext4 when block size < page size. Signed-off-by: Theodore Ts'o Reviewed-by: Darrick J. Wong --- tests/generic/623 | 109 ++++++++++++++++++++++++++++++++++++++++++ tests/generic/623.out | 4 ++ tests/generic/group | 1 + 3 files changed, 114 insertions(+) create mode 100755 tests/generic/623 create mode 100644 tests/generic/623.out diff --git a/tests/generic/623 b/tests/generic/623 new file mode 100755 index 00000000..74136fef --- /dev/null +++ b/tests/generic/623 @@ -0,0 +1,109 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# +# FSQA Test No. 623 +# +# AIO/DIO stress test +# Run random AIO/DIO activity on an file system with unwritten regions +# +# This test verifies that the an unwritten extent is properly marked +# as written after writing into it. +# +# There was a hard-to-hit bug which would occasionally trigger with +# ext4 for which this test was a reproducer. This has been fixed +# after moving ext4 to use iomap for Direct I/O's, although as of this +# writing, there are still some occasional failures on ext4 when block +# size < page size. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +fio_config=$tmp.fio +status=1 # failure is the default! +trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_fs generic +_require_test +_require_scratch +_require_odirect +_require_block_device $SCRATCH_DEV + +NUM_JOBS=$((4*LOAD_FACTOR)) +BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV` +FILE_SIZE=$(((BLK_DEV_SIZE * 512) * 3 / 4)) + +max_file_size=$((5 * 1024 * 1024 * 1024)) +if [ $max_file_size -lt $FILE_SIZE ]; then + FILE_SIZE=$max_file_size +fi +SIZE=$((FILE_SIZE / 2)) + +cat >$fio_config <> $seqres.full + run_check $FIO_PROG $fio_config +} + +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount + +if ! _workout; then + _scratch_unmount 2>/dev/null + exit +fi + +if ! _scratch_unmount; then + echo "failed to umount" + status=1 + exit +fi +status=0 +exit diff --git a/tests/generic/623.out b/tests/generic/623.out new file mode 100644 index 00000000..e10c7fd9 --- /dev/null +++ b/tests/generic/623.out @@ -0,0 +1,4 @@ +QA output created by 623 + +Run fio with random aio-dio pattern + diff --git a/tests/generic/group b/tests/generic/group index b10fdea4..24f53ed7 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -625,3 +625,4 @@ 620 auto mount quick 621 auto quick encrypt 622 auto shutdown metadata atime +623 aio rw stress