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Wong" , Zorro Lang , Gao Xiang Subject: [RFC PATCH v2 1/3] common/xfs: add a _require_xfs_shrink helper Date: Fri, 12 Mar 2021 21:22:58 +0800 Message-Id: <20210312132300.259226-2-hsiangkao@redhat.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210312132300.259226-1-hsiangkao@redhat.com> References: <20210312132300.259226-1-hsiangkao@redhat.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org In order to detect whether the current kernel supports XFS shrinking. Signed-off-by: Gao Xiang --- use -D1 rather than -D0 since xfs_growfs would report unchanged size instead. common/xfs | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/common/xfs b/common/xfs index 2156749d..326edacc 100644 --- a/common/xfs +++ b/common/xfs @@ -432,6 +432,16 @@ _supports_xfs_scrub() return 0 } +_require_xfs_shrink() +{ + _scratch_mkfs_xfs >/dev/null 2>&1 + + _scratch_mount + $XFS_GROWFS_PROG -D1 "$SCRATCH_MNT" 2>&1 | grep -q 'Invalid argument' || { \ + _scratch_unmount; _notrun "kernel does not support shrinking"; } + _scratch_unmount +} + # run xfs_check and friends on a FS. _check_xfs_filesystem() { From patchwork Fri Mar 12 13:22:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gao Xiang X-Patchwork-Id: 12134619 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 C7CA6C433E9 for ; Fri, 12 Mar 2021 13:24:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9ADD364FFB for ; Fri, 12 Mar 2021 13:24:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229909AbhCLNYL (ORCPT ); Fri, 12 Mar 2021 08:24:11 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:47426 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229995AbhCLNXw (ORCPT ); Fri, 12 Mar 2021 08:23:52 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615555431; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5Obz55tqwk+13dV5VeG0fLI6CXBu/1A0GASoXYW+Q3I=; b=ADVXPtGkaV+DdDwf+DvPf+fAr/vuY3WRZdg3pmD89CMNC5ArYF1AL4L5GZAYcEO+yi5c4U wUeigaWExEog8+cEwbcHdQdNHSA0e2F/Y7nbDjw0lvYAp4Gt4bCIALeqYYiXIF4ZB/sdCN u2l2RM4joCiGnmu7mQeXbqd0Wx28poA= Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-372--2Wkf29gNEyHKgXMscsDPw-1; Fri, 12 Mar 2021 08:23:49 -0500 X-MC-Unique: -2Wkf29gNEyHKgXMscsDPw-1 Received: by mail-pl1-f197.google.com with SMTP id b9so4866470plh.9 for ; Fri, 12 Mar 2021 05:23:49 -0800 (PST) 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=5Obz55tqwk+13dV5VeG0fLI6CXBu/1A0GASoXYW+Q3I=; b=YI8Lx/FIMq+7pcNoXy5UPuUQwBCFvIlQvZYG5RuIUxTiyS7vYzNsW+sdryUzbsHOvG 33mdn10VnYsIvMJD8ybIGuTQFYtJCwWrN3/uwb/3x0x6RoR914FBOb3zQkmG4UKIAqJY RHYsMa+VQLXzZXgAzCILU03uno2B+k1PZeBfkfdDsbV+TZC/pMG2xbzkemyFIXY1mhOq GjWp8LfMKZGfx5fcv/hToKvUaHzoSCG5HOF8ZTbT/7iDDz4vAuFMjQ2gTZMLkglG1O4J QXmdZ88lZRl22hKyPoqRbYgIglAKGurQZarOPoKKSNR2YOE6xEg2BX4DhAzR+BtI7ptC PX3Q== X-Gm-Message-State: AOAM532zVDfASUUZRCWSfxsh/2WNz2Zt3aBW0S6PYqShM3iBIXhrjkg+ cFB5NahCpi7jrxfx3Pexti9xSO8IVvxda2e6/KJdJcmv1W3LWqjb+dyd0F+3xvyHH29GAyt9kIK 4g3nHwDrX7cwoKiDpWg== X-Received: by 2002:a17:90a:9b18:: with SMTP id f24mr13648525pjp.96.1615555428660; Fri, 12 Mar 2021 05:23:48 -0800 (PST) X-Google-Smtp-Source: ABdhPJzWTPI2f6eF9Idun13MHaXgf5V6OeknSj0OiUzHCyxU8ULg84ZrD2NYcKTPILfIrsn1ss/LRQ== X-Received: by 2002:a17:90a:9b18:: with SMTP id f24mr13648517pjp.96.1615555428437; Fri, 12 Mar 2021 05:23:48 -0800 (PST) Received: from xiangao.remote.csb ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id j17sm5428234pfn.70.2021.03.12.05.23.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 05:23:48 -0800 (PST) From: Gao Xiang To: linux-xfs@vger.kernel.org, fstests@vger.kernel.org Cc: "Darrick J. Wong" , Zorro Lang , Gao Xiang Subject: [RFC PATCH v2 2/3] xfs: basic functionality test for shrinking free space in the last AG Date: Fri, 12 Mar 2021 21:22:59 +0800 Message-Id: <20210312132300.259226-3-hsiangkao@redhat.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210312132300.259226-1-hsiangkao@redhat.com> References: <20210312132300.259226-1-hsiangkao@redhat.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org Add basic test to make sure the functionality works as expected. Signed-off-by: Gao Xiang --- tests/xfs/990 | 59 +++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/990.out | 12 ++++++++++ tests/xfs/group | 1 + 3 files changed, 72 insertions(+) create mode 100755 tests/xfs/990 create mode 100644 tests/xfs/990.out diff --git a/tests/xfs/990 b/tests/xfs/990 new file mode 100755 index 00000000..551c4784 --- /dev/null +++ b/tests/xfs/990 @@ -0,0 +1,59 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2021 Red Hat, Inc. All Rights Reserved. +# +# FS QA Test 990 +# +# XFS shrinkfs basic functionality test +# +# This test attempts to shrink with a small size (512K), half AG size and +# an out-of-bound size (agsize + 1) to observe if it works as expected. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +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 xfs +_require_xfs_shrink + +rm -f $seqres.full +echo "Format and mount" +size="$((512 * 1024 * 1024))" +_scratch_mkfs -dsize=$size -dagcount=3 2>&1 | \ + tee -a $seqres.full | _filter_mkfs 2>$tmp.mkfs +. $tmp.mkfs +_scratch_mount >> $seqres.full 2>&1 + +echo "Shrink fs (small size)" +$XFS_GROWFS_PROG -D $((dblocks-512*1024/dbsize)) $SCRATCH_MNT \ + >> $seqres.full 2>&1 || echo failure +_scratch_cycle_mount + +echo "Shrink fs (half AG)" +$XFS_GROWFS_PROG -D $((dblocks-agsize/2)) $SCRATCH_MNT \ + >> $seqres.full 2>&1 || echo failure +_scratch_cycle_mount + +echo "Shrink fs (out-of-bound)" +$XFS_GROWFS_PROG -D $((dblocks-agsize-1)) $SCRATCH_MNT \ + >> $seqres.full 2>&1 && echo failure +_scratch_cycle_mount + +$XFS_INFO_PROG $SCRATCH_MNT >> $seqres.full + +_scratch_unmount +echo "*** done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/990.out b/tests/xfs/990.out new file mode 100644 index 00000000..812f89ef --- /dev/null +++ b/tests/xfs/990.out @@ -0,0 +1,12 @@ +QA output created by 990 +Format and mount +meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks +data = bsize=XXX blocks=XXX, imaxpct=PCT + = sunit=XXX swidth=XXX, unwritten=X +naming =VERN bsize=XXX +log =LDEV bsize=XXX blocks=XXX +realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX +Shrink fs (small size) +Shrink fs (half AG) +Shrink fs (out-of-bound) +*** done diff --git a/tests/xfs/group b/tests/xfs/group index e861cec9..a7981b67 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -525,3 +525,4 @@ 525 auto quick mkfs 526 auto quick mkfs 527 auto quick quota +990 auto quick growfs From patchwork Fri Mar 12 13:23:00 2021 Content-Type: text/plain; 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Fri, 12 Mar 2021 05:23:51 -0800 (PST) From: Gao Xiang To: linux-xfs@vger.kernel.org, fstests@vger.kernel.org Cc: "Darrick J. Wong" , Zorro Lang , Gao Xiang Subject: [RFC PATCH v2 3/3] xfs: stress test for shrinking free space in the last AG Date: Fri, 12 Mar 2021 21:23:00 +0800 Message-Id: <20210312132300.259226-4-hsiangkao@redhat.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210312132300.259226-1-hsiangkao@redhat.com> References: <20210312132300.259226-1-hsiangkao@redhat.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org This adds a stress testcase to shrink free space as much as possible in the last AG with background fsstress workload. The expectation is that no crash happens with expected output. Signed-off-by: Gao Xiang --- Note that I don't use _fill_fs instead, since fill_scratch here mainly to eat 125M to make fsstress more effectively, rather than fill data as much as possible. tests/xfs/991 | 121 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/991.out | 8 +++ tests/xfs/group | 1 + 3 files changed, 130 insertions(+) create mode 100755 tests/xfs/991 create mode 100644 tests/xfs/991.out diff --git a/tests/xfs/991 b/tests/xfs/991 new file mode 100755 index 00000000..22a5ac81 --- /dev/null +++ b/tests/xfs/991 @@ -0,0 +1,121 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2020-2021 Red Hat, Inc. All Rights Reserved. +# +# FS QA Test 991 +# +# XFS online shrinkfs stress test +# +# This test attempts to shrink unused space as much as possible with +# background fsstress workload. It will decrease the shrink size if +# larger size fails. And totally repeat 2 * TIME_FACTOR times. +# +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +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 + +create_scratch() +{ + _scratch_mkfs_xfs $@ | tee -a $seqres.full | \ + _filter_mkfs 2>$tmp.mkfs >/dev/null + . $tmp.mkfs + + if ! _try_scratch_mount 2>/dev/null; then + echo "failed to mount $SCRATCH_DEV" + exit 1 + fi + + # fix the reserve block pool to a known size so that the enospc + # calculations work out correctly. + _scratch_resvblks 1024 > /dev/null 2>&1 +} + +fill_scratch() +{ + $XFS_IO_PROG -f -c "resvsp 0 ${1}" $SCRATCH_MNT/resvfile +} + +stress_scratch() +{ + procs=3 + nops=$((1000 * LOAD_FACTOR)) + # -w ensures that the only ops are ones which cause write I/O + FSSTRESS_ARGS=`_scale_fsstress_args -d $SCRATCH_MNT -w -p $procs \ + -n $nops $FSSTRESS_AVOID` + $FSSTRESS_PROG $FSSTRESS_ARGS >> $seqres.full 2>&1 & +} + +# real QA test starts here +_supported_fs xfs +_require_scratch +_require_xfs_shrink +_require_xfs_io_command "falloc" + +rm -f $seqres.full +_scratch_mkfs_xfs | tee -a $seqres.full | _filter_mkfs 2>$tmp.mkfs +. $tmp.mkfs # extract blocksize and data size for scratch device + +decsize=`expr 42 \* 1048576` # shrink in chunks of this size at most +endsize=`expr 125 \* 1048576` # stop after shrinking this big +[ `expr $endsize / $dbsize` -lt $dblocks ] || _notrun "Scratch device too small" + +nags=2 +totalcount=$((2 * TIME_FACTOR)) + +while [ $totalcount -gt 0 ]; do + size=`expr 1010 \* 1048576` # 1010 megabytes initially + logblks=$(_scratch_find_xfs_min_logblocks -dsize=${size} -dagcount=${nags}) + + create_scratch -lsize=${logblks}b -dsize=${size} -dagcount=${nags} + + for i in `seq 125 -1 90`; do + fillsize=`expr $i \* 1048576` + out="$(fill_scratch $fillsize 2>&1)" + echo "$out" | grep -q 'No space left on device' && continue + test -n "${out}" && echo "$out" + break + done + + while [ $size -gt $endsize ]; do + stress_scratch + sleep 1 + + decb=`expr $decsize / $dbsize` # in data blocks + while [ $decb -gt 0 ]; do + sizeb=`expr $size / $dbsize - $decb` + + $XFS_GROWFS_PROG -D ${sizeb} $SCRATCH_MNT \ + >> $seqres.full 2>&1 && break + + [ $decb -gt 100 ] && decb=`expr $decb + $RANDOM % 10` + decb=`expr $decb / 2` + done + + wait + [ $decb -eq 0 ] && break + + # get latest dblocks + $XFS_INFO_PROG $SCRATCH_MNT 2>&1 | _filter_mkfs 2>$tmp.growfs >/dev/null + . $tmp.growfs + + size=`expr $dblocks \* $dbsize` + _scratch_cycle_mount + done + + _scratch_unmount + _repair_scratch_fs >> $seqres.full + totalcount=`expr $totalcount - 1` +done + +echo "*** done" +status=0 +exit diff --git a/tests/xfs/991.out b/tests/xfs/991.out new file mode 100644 index 00000000..e8209672 --- /dev/null +++ b/tests/xfs/991.out @@ -0,0 +1,8 @@ +QA output created by 991 +meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks +data = bsize=XXX blocks=XXX, imaxpct=PCT + = sunit=XXX swidth=XXX, unwritten=X +naming =VERN bsize=XXX +log =LDEV bsize=XXX blocks=XXX +realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX +*** done diff --git a/tests/xfs/group b/tests/xfs/group index a7981b67..b479ed3a 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -526,3 +526,4 @@ 526 auto quick mkfs 527 auto quick quota 990 auto quick growfs +991 auto quick growfs