From patchwork Tue Jan 12 07:40:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Babu R X-Patchwork-Id: 12012577 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 080E9C433E6 for ; Tue, 12 Jan 2021 07:41:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD60A22D05 for ; Tue, 12 Jan 2021 07:41:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732854AbhALHlg (ORCPT ); Tue, 12 Jan 2021 02:41:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732633AbhALHlf (ORCPT ); Tue, 12 Jan 2021 02:41:35 -0500 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A72B3C0617A2; Mon, 11 Jan 2021 23:40:55 -0800 (PST) Received: by mail-pl1-x634.google.com with SMTP id y8so948095plp.8; Mon, 11 Jan 2021 23:40:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ivq6xJwshcxaTWJE436xhKQRZqFsobKDzWQjELuY43Q=; b=kjHDiYhDSGEMZ55kOded1eoUWtmBQCDVnBCqlA84o0FvMc6V4+b8tHmQXIWwC3uEYa pll46ION7Zgmq2tEQQ047DLm3AOlG8e1UH76GTR/p8Z3CKqUIiU36sVDf29ENvEtfeJ9 RfQBrkljrz1SrwvThhxpnk3Ikdo2Al1udzwTiVSqCg4Xn8zOZabe0CnwX0UwjqfmMd77 1XolQsdNWMKCXuona4eKFEoKv0Vy0755rKiKuqbPfiQFgqvODj5eQt5pulSMUmEWtSM1 d/cVDiNd/i/lAqK/+2cBwhLLLC7wkA5gBkyKKEpL0oIdk+rsPXFcdZ0/rQuIx38SYvf4 QZ8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ivq6xJwshcxaTWJE436xhKQRZqFsobKDzWQjELuY43Q=; b=iPgMXNxYf69Ku63m25fSD2ut6boTNi79RH7XLj1OpOMcJGMnaTH/E8tBQc0V+fmG6L SJTxJpSs3Op+KRrHYMEum8hMZj37LB4aASpc8nNnS6kAzvbx60qUzDUAY2SuSZwCjOlW 5Ds+0OsKcCa3oigqbUr72nXo3eALfYoAaN28vkB9x5eReVvjHOgsAmYyUZIhEhZxQmpB hzNuL4tvuQ2SNMA2k36zBXpylOgb/l3Ss/4FtYa8ExN1Jypn8GHzYCDpyaQu+CAsyBaQ HLka205cLTHxGTRIrRgTiMxnwUwbARCs5OcWiMBSH/ZHA8ZaFTXrKI3j8Hle4IsQZxqm 35fg== X-Gm-Message-State: AOAM530r5TJ3AL0Jjy2M+jx/bHVoxry+n2/Og/kBx35QCalsBLeVTNsj d/qoHnMcoMXcFFLI+q+6nZ6qVI8o7bQ= X-Google-Smtp-Source: ABdhPJxD78FhFdziyiVps/NAbGXUeHswCFtq6T6GidRisA8ISNOySMpnVnq7Mo1YcWlEQqRsCYr5bA== X-Received: by 2002:a17:902:6bca:b029:dc:34e1:26b1 with SMTP id m10-20020a1709026bcab02900dc34e126b1mr3997230plt.52.1610437254949; Mon, 11 Jan 2021 23:40:54 -0800 (PST) Received: from localhost.localdomain ([122.171.39.105]) by smtp.gmail.com with ESMTPSA id mj5sm1962340pjb.20.2021.01.11.23.40.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 23:40:54 -0800 (PST) From: Chandan Babu R To: fstests@vger.kernel.org Cc: Chandan Babu R , linux-xfs@vger.kernel.org, darrick.wong@oracle.com, djwong@kernel.org Subject: [PATCH V3 03/11] xfs: Check for extent overflow when growing realtime bitmap/summary inodes Date: Tue, 12 Jan 2021 13:10:19 +0530 Message-Id: <20210112074027.10311-4-chandanrlinux@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210112074027.10311-1-chandanrlinux@gmail.com> References: <20210112074027.10311-1-chandanrlinux@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org Verify that XFS does not cause realtime bitmap/summary inode fork's extent count to overflow when growing the realtime volume associated with a filesystem. Signed-off-by: Chandan Babu R --- tests/xfs/523 | 119 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/523.out | 11 +++++ tests/xfs/group | 1 + 3 files changed, 131 insertions(+) create mode 100755 tests/xfs/523 create mode 100644 tests/xfs/523.out diff --git a/tests/xfs/523 b/tests/xfs/523 new file mode 100755 index 00000000..145f0ff6 --- /dev/null +++ b/tests/xfs/523 @@ -0,0 +1,119 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2020 Chandan Babu R. All Rights Reserved. +# +# FS QA Test 523 +# +# Verify that XFS does not cause bitmap/summary inode fork's extent count to +# overflow when growing an the realtime volume of the filesystem. +# +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 / + _scratch_unmount >> $seqres.full 2>&1 + test -e "$rtdev" && losetup -d $rtdev >> $seqres.full 2>&1 + rm -f $tmp.* $TEST_DIR/$seq.rtvol +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/inject +. ./common/populate + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +_supported_fs xfs +_require_test +_require_xfs_debug +_require_test_program "punch-alternating" +_require_xfs_io_error_injection "reduce_max_iextents" +_require_xfs_io_error_injection "bmap_alloc_minlen_extent" +_require_scratch_nocheck + +echo "* Test extending rt inodes" + +_scratch_mkfs | _filter_mkfs >> $seqres.full 2> $tmp.mkfs +. $tmp.mkfs + +echo "Create fake rt volume" +nr_bitmap_blks=25 +nr_bits=$((nr_bitmap_blks * dbsize * 8)) +rtextsz=$dbsize +rtdevsz=$((nr_bits * rtextsz)) +truncate -s $rtdevsz $TEST_DIR/$seq.rtvol +rtdev=$(_create_loop_device $TEST_DIR/$seq.rtvol) + +echo "Format and mount rt volume" + +export USE_EXTERNAL=yes +export SCRATCH_RTDEV=$rtdev +_scratch_mkfs -d size=$((1024 * 1024 * 1024)) \ + -r size=2M,extsize=${rtextsz} >> $seqres.full +_scratch_mount >> $seqres.full + +echo "Consume free space" +fillerdir=$SCRATCH_MNT/fillerdir +nr_free_blks=$(stat -f -c '%f' $SCRATCH_MNT) +nr_free_blks=$((nr_free_blks * 90 / 100)) + +_fill_fs $((dbsize * nr_free_blks)) $fillerdir $dbsize 0 >> $seqres.full 2>&1 + +echo "Create fragmented filesystem" +for dentry in $(ls -1 $fillerdir/); do + $here/src/punch-alternating $fillerdir/$dentry >> $seqres.full +done + +echo "Inject reduce_max_iextents error tag" +_scratch_inject_error reduce_max_iextents 1 + +echo "Inject bmap_alloc_minlen_extent error tag" +_scratch_inject_error bmap_alloc_minlen_extent 1 + +echo "Grow realtime volume" +$XFS_GROWFS_PROG -r $SCRATCH_MNT >> $seqres.full 2>&1 +if [[ $? == 0 ]]; then + echo "Growfs succeeded; should have failed." + exit 1 +fi + +_scratch_unmount >> $seqres.full + +echo "Verify rbmino's and rsumino's extent count" +for rtino in rbmino rsumino; do + ino=$(_scratch_xfs_db -c sb -c "print $rtino") + ino=${ino##${rtino} = } + echo "$rtino = $ino" >> $seqres.full + + nextents=$(_scratch_get_iext_count $ino data || \ + _fail "Unable to obtain inode fork's extent count") + if (( $nextents > 10 )); then + echo "Extent count overflow check failed: nextents = $nextents" + exit 1 + fi +done + +echo "Check filesystem" +_check_xfs_filesystem $SCRATCH_DEV none $rtdev + +losetup -d $rtdev +rm -f $TEST_DIR/$seq.rtvol + +export USE_EXTERNAL="" +export SCRATCH_RTDEV="" + +# success, all done +status=0 +exit diff --git a/tests/xfs/523.out b/tests/xfs/523.out new file mode 100644 index 00000000..7df02970 --- /dev/null +++ b/tests/xfs/523.out @@ -0,0 +1,11 @@ +QA output created by 523 +* Test extending rt inodes +Create fake rt volume +Format and mount rt volume +Consume free space +Create fragmented filesystem +Inject reduce_max_iextents error tag +Inject bmap_alloc_minlen_extent error tag +Grow realtime volume +Verify rbmino's and rsumino's extent count +Check filesystem diff --git a/tests/xfs/group b/tests/xfs/group index 6aff1210..b375a94c 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -520,6 +520,7 @@ 520 auto quick reflink 521 auto quick realtime growfs 522 auto quick quota +523 auto quick realtime growfs 758 auto quick rw attr realtime 759 auto quick rw realtime 760 auto quick rw collapse punch insert zero prealloc