From patchwork Tue Jan 18 05:57:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shinichiro Kawasaki X-Patchwork-Id: 12715907 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 13B75C433EF for ; Tue, 18 Jan 2022 05:57:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239823AbiARF5Y (ORCPT ); Tue, 18 Jan 2022 00:57:24 -0500 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:20729 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235645AbiARF5X (ORCPT ); Tue, 18 Jan 2022 00:57:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1642485443; x=1674021443; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=lFe1rKRuJ3zJN4xQhiSz6eCA+PrB7GkMfSaZIMgBOWE=; b=TIcpJ0K/4emkUeW0dgQ/B3owpgeiaZreW0/29K03Uy0blZFmBwLKV+26 XNl2ChsGqRTg2NhH29KLcY+zxYEEjy/5fLM8sga/gIymlkNWXj5upEAIR 1pTa+tOgMjN0G6/ro2SEYE1ZYD77+2TLVvKJ3WqZ3mi+uHUnvr8bJvVp8 jvlbU1d18iZ3jkMPyesZvOnpZua7TejtoslCNaKT6bIKBodp/epUwGg/k jSTZ5lci7z3c6xWZdakkLLLFBJU8eOloIoJb3rMsqNiYCjR7d/Vho0mlA /WDyBMNLj+1Mw0twoikclHytsmbMQbn/ovY2Vx0g10ydxWsbPPhmqTnGI A==; X-IronPort-AV: E=Sophos;i="5.88,296,1635177600"; d="scan'208";a="195505198" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 18 Jan 2022 13:57:23 +0800 IronPort-SDR: bD6X3d7zPDMQaK0lz75xcVQYWIHdbPytUzgtHVZHunDrTM91BUzb8Z/6GvWD1FmQQDYI4KHgtD RoVT1qjd7OkvvGPKsBW8GZbLpv/mW3YeX8A2N7ArJWu6gj3Oa1uRMK28h8khJrpBZoPp8KsP2z r63Ogw3IFaIQdIE/+kwvMBjPtICuxQfQuxGWqV00RA41yZIU/6L7qz6PB/91brWjGVVxwkgnZe +sYo3kqShnjO000xKE8eCSTbpAmp0IsAhfL0cgOFFZBtiDdClx6HmZ8nptQZVeXNCPjIacSWs6 DSXfr7+aaR+cO4CQDk5fWyPm Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jan 2022 21:30:55 -0800 IronPort-SDR: G75JaiD6ADqsBSq0BooDzYpM4nEpY3KYBOD76DY1++NF+M9z8+UBAdwFDgGXBOBMusMyT3eyVA AroAMJmPEaoCR3E+SlV3jZxBmCgNB54A+zwyVoVl/tk+F2LOtT0mr/l9K0Brv5VB/94EMOIE+m U997fH49zq0BRHmDYW4ruRpg1z5liXpk77kipYnqx+HVmGZSeFzGcuTjn3fjKqX1iDkbUYEiYf g8r4cL4gBN1M62p17uMKU+J30tNzQr0CJQh7hW+t8aFnDC15BtvBjn0Evjh3+GSVmSeaaHY9bc hVI= WDCIronportException: Internal Received: from shindev.dhcp.fujisawa.hgst.com (HELO shindev.fujisawa.hgst.com) ([10.149.52.173]) by uls-op-cesaip01.wdc.com with ESMTP; 17 Jan 2022 21:57:22 -0800 From: Shin'ichiro Kawasaki To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org, Naohiro Aota , Johannes Thumshirn , Damien Le Moal , Shin'ichiro Kawasaki Subject: [PATCH v2] btrfs/255: add test for quota disable in parallel with balance Date: Tue, 18 Jan 2022 14:57:21 +0900 Message-Id: <20220118055721.982596-1-shinichiro.kawasaki@wdc.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Test quota disable during btrfs balance and confirm it does not cause kernel hang. This is a regression test for the problem reported to linux-btrfs list [1]. The hang was recreated using the test case and memory backed null_blk device with 5GB size as the scratch device. [1] https://lore.kernel.org/linux-btrfs/20220115053012.941761-1-shinichiro.kawasaki@wdc.com/ Signed-off-by: Shin'ichiro Kawasaki --- Changes from v1: * Put more stress by repeating quota enable/disable and btrfs balance * Reflected other comments on the list tests/btrfs/255 | 45 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/255.out | 2 ++ 2 files changed, 47 insertions(+) create mode 100755 tests/btrfs/255 create mode 100644 tests/btrfs/255.out diff --git a/tests/btrfs/255 b/tests/btrfs/255 new file mode 100755 index 00000000..32f00f42 --- /dev/null +++ b/tests/btrfs/255 @@ -0,0 +1,45 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2022 Western Digital Corporation or its affiliates. +# +# FS QA Test No. btrfs/255 +# +# Confirm that disabling quota during balance does not hang +# +. ./common/preamble +_begin_fstest auto qgroup balance + +# real QA test starts here +_supported_fs btrfs +_require_scratch + +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount + +# Fill 40% of the device or 2GB +fill_percent=40 +max_fillsize=$((2 * 1024 * 1024 * 1024)) + +devsize=$(($(_get_device_size $SCRATCH_DEV) * 512)) +fillsize=$((devsize * fill_percent / 100)) +((fillsize > max_fillsize)) && fillsize=$max_fillsize + +fs=$((4096 * 1024)) +for ((i = 0; i * fs < fillsize; i++)); do + dd if=/dev/zero of=$SCRATCH_MNT/file.$i bs=$fs count=1 \ + >> $seqres.full 2>&1 +done + +# Run btrfs balance and quota enable/disable in parallel +_btrfs_stress_balance $SCRATCH_MNT >> $seqres.full & +balance_pid=$! +echo $balance_pid >> $seqres.full +for ((i = 0; i < 20; i++)); do + $BTRFS_UTIL_PROG quota enable $SCRATCH_MNT + $BTRFS_UTIL_PROG quota disable $SCRATCH_MNT +done +kill $balance_pid &> /dev/null + +echo "Silence is golden" +status=0 +exit diff --git a/tests/btrfs/255.out b/tests/btrfs/255.out new file mode 100644 index 00000000..7eefb828 --- /dev/null +++ b/tests/btrfs/255.out @@ -0,0 +1,2 @@ +QA output created by 255 +Silence is golden