From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC999C43334 for ; Fri, 8 Jul 2022 11:09:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237991AbiGHLJa (ORCPT ); Fri, 8 Jul 2022 07:09:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237724AbiGHLJ3 (ORCPT ); Fri, 8 Jul 2022 07:09:29 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F9C5804B8; Fri, 8 Jul 2022 04:09:29 -0700 (PDT) Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4LfVpq0wJPz1L9W0; Fri, 8 Jul 2022 19:06:59 +0800 (CST) Received: from kwepemm600010.china.huawei.com (7.193.23.86) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 8 Jul 2022 19:09:27 +0800 Received: from huawei.com (10.175.127.227) by kwepemm600010.china.huawei.com (7.193.23.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 8 Jul 2022 19:09:26 +0800 From: Sun Ke To: CC: , , Subject: [PATCH v2 2/2] ext4: set 256 blocks in a block group then apply io pressure Date: Fri, 8 Jul 2022 19:21:55 +0800 Message-ID: <20220708112155.2639551-3-sunke32@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220708112155.2639551-1-sunke32@huawei.com> References: <20220708112155.2639551-1-sunke32@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600010.china.huawei.com (7.193.23.86) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Set 256 blocks in a block group, then inject I/O pressure, it will trigger off kernel BUG in ext4_mb_mark_diskspace_used. Regression test for commit a08f789d2ab5 ext4: fix bug_on ext4_mb_use_inode_pa. Signed-off-by: Sun Ke --- tests/ext4/058 | 33 +++++++++++++++++++++++++++++++++ tests/ext4/058.out | 2 ++ 2 files changed, 35 insertions(+) create mode 100755 tests/ext4/058 create mode 100644 tests/ext4/058.out diff --git a/tests/ext4/058 b/tests/ext4/058 new file mode 100755 index 00000000..b718c1ac --- /dev/null +++ b/tests/ext4/058 @@ -0,0 +1,33 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2022 HUAWEI. All Rights Reserved. +# +# FS QA Test 058 +# +# Set 256 blocks in a block group, then inject I/O pressure, +# it will trigger off kernel BUG in ext4_mb_mark_diskspace_used +# +# Regression test for commit +# a08f789d2ab5 ext4: fix bug_on ext4_mb_use_inode_pa +# +. ./common/preamble +_begin_fstest auto + +# real QA test starts here + +_supported_fs ext4 +_fixed_by_kernel_commit a08f789d2ab5 \ + "ext4: fix bug_on ext4_mb_use_inode_pa" +_require_scratch + +# set 256 blocks in a block group +_scratch_mkfs -g 256 >>$seqres.full 2>&1 || _fail "mkfs failed" +_scratch_mount + +$FSSTRESS_PROG -d $SCRATCH_MNT/stress -n 1000 >> $seqres.full + +echo "Silence is golden" + +# success, all done +status=0 +exit diff --git a/tests/ext4/058.out b/tests/ext4/058.out new file mode 100644 index 00000000..fb5ca60b --- /dev/null +++ b/tests/ext4/058.out @@ -0,0 +1,2 @@ +QA output created by 058 +Silence is golden -- 2.13.6