From patchwork Sat Nov 21 08:23:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Babu R X-Patchwork-Id: 11923293 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 8D20EC64E7B for ; Sat, 21 Nov 2020 08:24:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4841122252 for ; Sat, 21 Nov 2020 08:24:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mg2pFbhY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727140AbgKUIXz (ORCPT ); Sat, 21 Nov 2020 03:23:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726629AbgKUIXz (ORCPT ); Sat, 21 Nov 2020 03:23:55 -0500 Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 011D3C0613CF; Sat, 21 Nov 2020 00:23:55 -0800 (PST) Received: by mail-pf1-x433.google.com with SMTP id w14so10175233pfd.7; Sat, 21 Nov 2020 00:23:54 -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=w4cleYl7oMiziSTvwSI4KMR97F6OHUqxMcK8J8SvhMs=; b=mg2pFbhYR2ShW+FKQtVHWFZPo/LzU66d9ZFP0k8bq6oEeIGcoRj4SRL380MqckU3Z0 YJtpBQpSR0QNsJBQjl8J4MjV/PeGSeUrQHaAvCFcrqEyTM8tqSIFZTo1CRnpgKQtNa9K CBQHcWtu7wcDlDHcyv1CZaEKNed1PwYb+7NQb8MDjRrPsjG1URbACLAi0BaWIy0A4SP/ 7IM0l5sd63Yh2/shQqdFLPhv10/To5tKUIKvquhxgmuZ38DVvN3i7h1DMjNSo4FGX1gh OACZg/RqjaxVdjCGlCFcaJS1H5NoqmbTJvYW1gwGfAnlkb1TEe6jsyAn24OeQhx8Ar9P RA3w== 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=w4cleYl7oMiziSTvwSI4KMR97F6OHUqxMcK8J8SvhMs=; b=uT/9Emy2Yp8AKerI/GHJRGXcGYioQK4QHJ1oWAR5gRPOjI21jq/zjKeBC+E8QkKM5m K7LiXnoDsbh6X+55UsJvNvMwmCJi91qaKsoiPqdF7i6r+LeJBaqwQ+lLQvcpXB5ceTfJ INDlXUH24LMgCB/uma/NpMrOjKZUJ2oPL++FrgqWZvpK0ahP2MR7z4+8pxsYCSB6FRfh G0rsh1853sZjts9I2XrPnT2/efHGwbH8ivlpB8MLkVZgK7Mm3XdQkl4RNSs/8BRz8DfB j7pOcj9kYKBF+cbiLjgdXklj+wcAP+ynLhVoSqs8E6n9K1553Ercf5RP1IAcM4weW1tR l5Qw== X-Gm-Message-State: AOAM53119kFUEM3fvnbAD9mLhqszUOGvBmTHxgZoUH3IECmg2I//Nq1j fhO4oO9JoEkV0P0H8XKxR3qG6cmZiVU= X-Google-Smtp-Source: ABdhPJys19/Uh3Y8xvieKM7jx2Zy2YOtkgJlfrUScsPe65g0GJ5vxyHUKpPN5EAJhxZ1/+cORbL0uw== X-Received: by 2002:a63:cb51:: with SMTP id m17mr20006804pgi.337.1605947034120; Sat, 21 Nov 2020 00:23:54 -0800 (PST) Received: from localhost.localdomain ([122.167.41.102]) by smtp.gmail.com with ESMTPSA id e22sm6167148pfd.153.2020.11.21.00.23.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Nov 2020 00:23:53 -0800 (PST) From: Chandan Babu R To: fstests@vger.kernel.org Cc: Chandan Babu R , linux-xfs@vger.kernel.org, darrick.wong@oracle.com Subject: [PATCH V2 04/11] xfs: Check for extent overflow when punching a hole Date: Sat, 21 Nov 2020 13:53:25 +0530 Message-Id: <20201121082332.89739-5-chandanrlinux@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201121082332.89739-1-chandanrlinux@gmail.com> References: <20201121082332.89739-1-chandanrlinux@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org This test verifies that XFS does not cause inode fork's extent count to overflow when punching out an extent. Signed-off-by: Chandan Babu R --- tests/xfs/524 | 84 +++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/524.out | 19 +++++++++++ tests/xfs/group | 1 + 3 files changed, 104 insertions(+) create mode 100755 tests/xfs/524 create mode 100644 tests/xfs/524.out diff --git a/tests/xfs/524 b/tests/xfs/524 new file mode 100755 index 00000000..ba0b1a3b --- /dev/null +++ b/tests/xfs/524 @@ -0,0 +1,84 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2020 Chandan Babu R. All Rights Reserved. +# +# FS QA Test 524 +# +# Verify that XFS does not cause inode fork's extent count to overflow when +# punching out an extent. +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 / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/inject + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +_supported_fs xfs +_require_scratch +_require_xfs_debug +_require_xfs_io_command "fpunch" +_require_xfs_io_command "finsert" +_require_xfs_io_command "fcollapse" +_require_xfs_io_command "fzero" +_require_xfs_io_error_injection "reduce_max_iextents" + +echo "Format and mount fs" +_scratch_mkfs >> $seqres.full +_scratch_mount >> $seqres.full + +bsize=$(_get_file_block_size $SCRATCH_MNT) +nr_blks=80 + +testfile=$SCRATCH_MNT/testfile + +echo "Inject reduce_max_iextents error tag" +_scratch_inject_error reduce_max_iextents 1 + +for op in fpunch finsert fcollapse fzero; do + echo "* $op regular file" + + echo "Create \$testfile" + $XFS_IO_PROG -f -s \ + -c "pwrite -b $((nr_blks * bsize)) 0 $((nr_blks * bsize))" \ + $testfile >> $seqres.full + + echo "$op alternating blocks" + for i in $(seq 1 2 $((nr_blks - 1))); do + $XFS_IO_PROG -f -c "$op $((i * bsize)) $bsize" $testfile \ + >> $seqres.full 2>&1 + [[ $? != 0 ]] && break + done + + echo "Verify \$testfile's extent count" + + nextents=$($XFS_IO_PROG -f -c 'stat' $testfile | grep -i nextents) + nextents=${nextents##fsxattr.nextents = } + if (( $nextents > 35 )); then + echo "Extent count overflow check failed: nextents = $nextents" + exit 1 + fi + + rm $testfile +done + +# success, all done +status=0 +exit diff --git a/tests/xfs/524.out b/tests/xfs/524.out new file mode 100644 index 00000000..a957f9c7 --- /dev/null +++ b/tests/xfs/524.out @@ -0,0 +1,19 @@ +QA output created by 524 +Format and mount fs +Inject reduce_max_iextents error tag +* fpunch regular file +Create $testfile +fpunch alternating blocks +Verify $testfile's extent count +* finsert regular file +Create $testfile +finsert alternating blocks +Verify $testfile's extent count +* fcollapse regular file +Create $testfile +fcollapse alternating blocks +Verify $testfile's extent count +* fzero regular file +Create $testfile +fzero alternating blocks +Verify $testfile's extent count diff --git a/tests/xfs/group b/tests/xfs/group index b375a94c..7031cabf 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -521,6 +521,7 @@ 521 auto quick realtime growfs 522 auto quick quota 523 auto quick realtime growfs +524 auto quick punch zero insert collapse 758 auto quick rw attr realtime 759 auto quick rw realtime 760 auto quick rw collapse punch insert zero prealloc