From patchwork Thu Feb 10 19:42:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Sandeen X-Patchwork-Id: 12742403 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 71BACC433F5 for ; Thu, 10 Feb 2022 19:43:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344055AbiBJTnb (ORCPT ); Thu, 10 Feb 2022 14:43:31 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:47506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240254AbiBJTn3 (ORCPT ); Thu, 10 Feb 2022 14:43:29 -0500 Received: from sandeen.net (sandeen.net [63.231.237.45]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 454F4DD1 for ; Thu, 10 Feb 2022 11:43:30 -0800 (PST) Received: by sandeen.net (Postfix, from userid 500) id 5DCC788; Thu, 10 Feb 2022 13:42:57 -0600 (CST) From: Eric Sandeen To: fstests@vger.kernel.org, linux-xfs@vger.kernel.org Subject: [PATCH] xfs: test xfsdump when an inode < root inode is present Date: Thu, 10 Feb 2022 13:42:57 -0600 Message-Id: <1644522177-8908-1-git-send-email-sandeen@redhat.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org This tests a longstanding bug where xfsdumps are not properly created when an inode is present on the filesytsem which has a lower number than the root inode. Signed-off-by: Eric Sandeen --- common/dump | 1 + tests/xfs/543 | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/543.out | 47 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 111 insertions(+) create mode 100644 tests/xfs/543 create mode 100644 tests/xfs/543.out diff --git a/common/dump b/common/dump index 3c4029f..09a0ebc 100644 --- a/common/dump +++ b/common/dump @@ -214,6 +214,7 @@ _require_tape() _wipe_fs() { + [[ "$WIPE_FS" = "no" ]] && return _require_scratch _scratch_mkfs_xfs >>$seqres.full || _fail "mkfs failed" diff --git a/tests/xfs/543 b/tests/xfs/543 new file mode 100644 index 0000000..f75f8da --- /dev/null +++ b/tests/xfs/543 @@ -0,0 +1,63 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2022 Red Hat, Inc. All Rights Reserved. +# +# FS QA Test 543 +# +# Create a filesystem which contains an inode with a lower number +# than the root inode. Ensure that xfsdump/xfsrestore handles this. +# +. ./common/preamble +_begin_fstest auto quick dump + +# Import common functions. +. ./common/dump + +_supported_fs xfs +_require_scratch + +# A large stripe unit will put the root inode out quite far +# due to alignment, leaving free blocks ahead of it. +_scratch_mkfs_xfs -d sunit=1024,swidth=1024 > $seqres.full + +# Mounting /without/ a stripe should allow inodes to be allocated +# in lower free blocks, without the stripe alignment. +_scratch_mount -o sunit=0,swidth=0 + +root_inum=$(stat -c %i $SCRATCH_MNT) + +# Consume space after the root inode so that the blocks before +# root look "close" for the next inode chunk allocation +$XFS_IO_PROG -f -c "falloc 0 16m" $SCRATCH_MNT/fillfile + +# And make a bunch of inodes until we (hopefully) get one lower +# than root, in a new inode chunk. +echo "root_inum: $root_inum" >> $seqres.full +for i in $(seq 0 4096) ; do + fname=$SCRATCH_MNT/$(printf "FILE_%03d" $i) + touch $fname + inum=$(stat -c "%i" $fname) + [[ $inum -lt $root_inum ]] && break +done + +echo "created: $inum" >> $seqres.full + +[[ $inum -lt $root_inum ]] || _notrun "Could not set up test" + +# Now try a dump and restore. Cribbed from xfs/068 +WIPE_FS="no" +_create_dumpdir_stress + +echo -n "Before: " >> $seqres.full +_count_dumpdir_files | tee $tmp.before >> $seqres.full + +# filter out the file count, it changes as fsstress adds new operations +_do_dump_restore | sed -e "/entries processed$/s/[0-9][0-9]*/NUM/g" + +echo -n "After: " >> $seqres.full +_count_restoredir_files | tee $tmp.after >> $seqres.full +diff -u $tmp.before $tmp.after + +# success, all done +status=0 +exit diff --git a/tests/xfs/543.out b/tests/xfs/543.out new file mode 100644 index 0000000..a5224aa --- /dev/null +++ b/tests/xfs/543.out @@ -0,0 +1,47 @@ +QA output created by 543 +Creating directory system to dump using fsstress. + +----------------------------------------------- +fsstress : -f link=10 -f creat=10 -f mkdir=10 -f truncate=5 -f symlink=10 +----------------------------------------------- +xfsdump|xfsrestore ... +xfsdump -s DUMP_SUBDIR - SCRATCH_MNT | xfsrestore - RESTORE_DIR +xfsrestore: using file dump (drive_simple) strategy +xfsrestore: searching media for dump +xfsrestore: examining media file 0 +xfsrestore: dump description: +xfsrestore: hostname: HOSTNAME +xfsrestore: mount point: SCRATCH_MNT +xfsrestore: volume: SCRATCH_DEV +xfsrestore: session time: TIME +xfsrestore: level: 0 +xfsrestore: session label: "" +xfsrestore: media label: "" +xfsrestore: file system ID: ID +xfsrestore: session id: ID +xfsrestore: media ID: ID +xfsrestore: searching media for directory dump +xfsrestore: reading directories +xfsrestore: NUM directories and NUM entries processed +xfsrestore: directory post-processing +xfsrestore: restoring non-directory files +xfsrestore: restore complete: SECS seconds elapsed +xfsrestore: Restore Status: SUCCESS +xfsdump: using file dump (drive_simple) strategy +xfsdump: level 0 dump of HOSTNAME:SCRATCH_MNT +xfsdump: dump date: DATE +xfsdump: session id: ID +xfsdump: session label: "" +xfsdump: ino map +xfsdump: ino map construction complete +xfsdump: estimated dump size: NUM bytes +xfsdump: /var/xfsdump/inventory created +xfsdump: creating dump session media file 0 (media 0, file 0) +xfsdump: dumping ino map +xfsdump: dumping directories +xfsdump: dumping non-directory files +xfsdump: ending media file +xfsdump: media file size NUM bytes +xfsdump: dump size (non-dir files) : NUM bytes +xfsdump: dump complete: SECS seconds elapsed +xfsdump: Dump Status: SUCCESS