From patchwork Wed Nov 11 00:44:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 11895963 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A0A52921 for ; Wed, 11 Nov 2020 00:44:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80039221E9 for ; Wed, 11 Nov 2020 00:44:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="w/2b7Njl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732420AbgKKAoW (ORCPT ); Tue, 10 Nov 2020 19:44:22 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:48132 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731713AbgKKAoU (ORCPT ); Tue, 10 Nov 2020 19:44:20 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0AB0XmNV110546; Wed, 11 Nov 2020 00:44:18 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : from : to : cc : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=GMDBIQZgzTV4yfSlXmY2gi1N9EFGXPHdydeM8RSOY7E=; b=w/2b7NjlbwkXMmmkdNZGOODwozsyvQrsQlckD5uOeqogZp0jxu4On/nZX/RPycewK7X/ uYkl5orh/jks4io2ztG9Q/jGBi/+uW15TVnE6V/fad5jffhbDEBwXJJEXUAk8Q97dxd8 3P+tUn665UFhFxpUB1WM2zryOdhX/j56LJ78ZMcyko5/CUSOTkaAWS18JSptWqTBrKDI jJWfODeTtGM1I6G9u7J+htBIjXGJ8fm8/kh/A87lu6cIWIEQ+8XN7OvQOsY2DUdCt2Qd TmEe+8WLh/NQkzeChsgB3gosnuRVNLf5bmNSc++6C3KpWVjZmbAx8NiRC1y/xKY8XzZI Nw== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2120.oracle.com with ESMTP id 34nkhkxnnm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 11 Nov 2020 00:44:18 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0AB0V7pT027737; Wed, 11 Nov 2020 00:44:17 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3020.oracle.com with ESMTP id 34qgp7kqyq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 11 Nov 2020 00:44:17 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 0AB0iG7l029148; Wed, 11 Nov 2020 00:44:17 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 10 Nov 2020 16:44:16 -0800 Subject: [PATCH 4/7] xfs: test rtalloc alignment and math errors From: "Darrick J. Wong" To: darrick.wong@oracle.com, guaneryu@gmail.com Cc: linux-xfs@vger.kernel.org, fstests@vger.kernel.org Date: Tue, 10 Nov 2020 16:44:15 -0800 Message-ID: <160505545554.1388823.7888218443336440186.stgit@magnolia> In-Reply-To: <160505542802.1388823.10368384826199448253.stgit@magnolia> References: <160505542802.1388823.10368384826199448253.stgit@magnolia> User-Agent: StGit/0.19 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9801 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxlogscore=999 adultscore=0 mlxscore=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011110001 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9801 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 mlxlogscore=999 lowpriorityscore=0 spamscore=0 malwarescore=0 adultscore=0 clxscore=1015 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011110001 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Darrick J. Wong Add a couple of regression tests for "xfs: make sure the rt allocator doesn't run off the end" and "xfs: ensure that fpunch, fcollapse, and finsert operations are aligned to rt extent size". Signed-off-by: Darrick J. Wong --- tests/xfs/759 | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/759.out | 2 + tests/xfs/760 | 66 +++++++++++++++++++++++++++++++++++ tests/xfs/760.out | 9 +++++ tests/xfs/group | 2 + 5 files changed, 178 insertions(+) create mode 100755 tests/xfs/759 create mode 100644 tests/xfs/759.out create mode 100755 tests/xfs/760 create mode 100644 tests/xfs/760.out diff --git a/tests/xfs/759 b/tests/xfs/759 new file mode 100755 index 00000000..00573786 --- /dev/null +++ b/tests/xfs/759 @@ -0,0 +1,99 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright (c) 2020, Oracle. All Rights Reserved. +# +# FS QA Test No. 759 +# +# This is a regression test for an overflow error in the _near realtime +# allocator. If the rt bitmap ends exactly at the end of a block and the +# number of rt extents is large enough to allow an allocation request larger +# than the maximum extent size, it's possible that during a large allocation +# request, the allocator will fail to constrain maxlen on the second run +# through the loop, and the rt bitmap range check will run right off the end of +# the rtbitmap file. When this happens, xfs triggers a verifier error and +# returns EFSCORRUPTED. + +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 + +# real QA test starts here +_supported_fs xfs +_require_scratch +_require_realtime +_require_test_program "punch-alternating" + +rm -f $seqres.full + +# Format filesystem to get the block size +_scratch_mkfs > $seqres.full +_scratch_mount >> $seqres.full + +blksz=$(_get_block_size $SCRATCH_MNT) +rextsize=$($XFS_INFO_PROG $SCRATCH_MNT | grep realtime.*extsz | sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g') +rextblks=$((rextsize / blksz)) + +echo "blksz $blksz rextsize $rextsize rextblks $rextblks" >> $seqres.full + +_scratch_unmount + +# Format filesystem with a realtime volume whose size fits the following: +# 1. Longer than (XFS MAXEXTLEN * blocksize) bytes. +# 2. Exactly a multiple of (NBBY * blksz * rextsize) bytes. + +rtsize1=$((2097151 * blksz)) +rtsize2=$((8 * blksz * rextsize)) +rtsize=$(( $(blockdev --getsz $SCRATCH_RTDEV) * 512 )) + +echo "rtsize1 $rtsize1 rtsize2 $rtsize2 rtsize $rtsize" >> $seqres.full + +test $rtsize -gt $rtsize1 || \ + _notrun "scratch rt device too small, need $rtsize1 bytes" +test $rtsize -gt $rtsize2 || \ + _notrun "scratch rt device too small, need $rtsize2 bytes" + +rtsize=$((rtsize - (rtsize % rtsize2))) + +echo "rt size will be $rtsize" >> $seqres.full + +_scratch_mkfs -r size=$rtsize >> $seqres.full +_scratch_mount >> $seqres.full + +# Make sure the root directory has rtinherit set so our test file will too +$XFS_IO_PROG -c 'chattr +t' $SCRATCH_MNT + +# Allocate some stuff at the start, to force the first falloc of the ouch file +# to happen somewhere in the middle of the rt volume +$XFS_IO_PROG -f -c 'falloc 0 64m' "$SCRATCH_MNT/b" +$here/src/punch-alternating -i $((rextblks * 2)) -s $((rextblks)) "$SCRATCH_MNT/b" + +avail="$(df -P "$SCRATCH_MNT" | awk 'END {print $4}')"1 +toobig="$((avail * 2))" + +# falloc the ouch file in the middle of the rt extent to exercise the near +# allocator in the last step. +$XFS_IO_PROG -f -c 'falloc 0 1g' "$SCRATCH_MNT/ouch" + +# Try to get the near allocator to overflow on an allocation that matches +# exactly one of the rtsummary size levels. This should return ENOSPC and +# not EFSCORRUPTED. +$XFS_IO_PROG -f -c "falloc 0 ${toobig}k" "$SCRATCH_MNT/ouch" + +# success, all done +status=0 +exit diff --git a/tests/xfs/759.out b/tests/xfs/759.out new file mode 100644 index 00000000..df693d50 --- /dev/null +++ b/tests/xfs/759.out @@ -0,0 +1,2 @@ +QA output created by 759 +fallocate: No space left on device diff --git a/tests/xfs/760 b/tests/xfs/760 new file mode 100755 index 00000000..7baa346c --- /dev/null +++ b/tests/xfs/760 @@ -0,0 +1,66 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright (c) 2020, Oracle. All Rights Reserved. +# +# FS QA Test No. 760 +# +# Make sure we validate realtime extent size alignment for fallocate modes. + +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 + +# real QA test starts here +_supported_fs xfs +_require_scratch +_require_realtime +_require_xfs_io_command "fcollapse" +_require_xfs_io_command "finsert" +_require_xfs_io_command "funshare" +_require_xfs_io_command "fzero" +_require_xfs_io_command "falloc" + +rm -f $seqres.full + +# Format filesystem with a 256k realtime extent size +_scratch_mkfs -r extsize=256k > $seqres.full +_scratch_mount >> $seqres.full + +blksz=$(_get_block_size $SCRATCH_MNT) +rextsize=$($XFS_INFO_PROG $SCRATCH_MNT | grep realtime.*extsz | sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g') +rextblks=$((rextsize / blksz)) + +echo "blksz $blksz rextsize $rextsize rextblks $rextblks" >> $seqres.full + +# Make sure the root directory has rtinherit set so our test file will too +$XFS_IO_PROG -c 'chattr +t' $SCRATCH_MNT + +sz=$((rextsize * 100)) +range="$((blksz * 3)) $blksz" + +for verb in fpunch finsert fcollapse fzero funshare falloc; do + echo "test $verb" + $XFS_IO_PROG -f -c "falloc 0 $sz" "$SCRATCH_MNT/b" + $XFS_IO_PROG -f -c "$verb $range" "$SCRATCH_MNT/b" + rm -f "$SCRATCH_MNT/b" + _scratch_cycle_mount +done + +# success, all done +status=0 +exit diff --git a/tests/xfs/760.out b/tests/xfs/760.out new file mode 100644 index 00000000..3d73c6fa --- /dev/null +++ b/tests/xfs/760.out @@ -0,0 +1,9 @@ +QA output created by 760 +test fpunch +test finsert +fallocate: Invalid argument +test fcollapse +fallocate: Invalid argument +test fzero +test funshare +test falloc diff --git a/tests/xfs/group b/tests/xfs/group index 771680cf..cb55a8ff 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -520,4 +520,6 @@ 520 auto quick reflink 521 auto quick realtime growfs 758 auto quick rw attr realtime +759 auto quick rw realtime +760 auto quick rw collapse punch insert zero prealloc 763 auto quick rw realtime