From patchwork Wed Apr 1 13:54:15 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eryu Guan X-Patchwork-Id: 6140511 Return-Path: X-Original-To: patchwork-fstests@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9C2759F350 for ; Wed, 1 Apr 2015 13:54:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id ABCD3202B8 for ; Wed, 1 Apr 2015 13:54:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7B42620272 for ; Wed, 1 Apr 2015 13:54:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751738AbbDANyZ (ORCPT ); Wed, 1 Apr 2015 09:54:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37040 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752117AbbDANyY (ORCPT ); Wed, 1 Apr 2015 09:54:24 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (Postfix) with ESMTPS id 75B03BBF43 for ; Wed, 1 Apr 2015 13:54:24 +0000 (UTC) Received: from localhost (vpn1-6-142.pek2.redhat.com [10.72.6.142]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t31DsIvV030715; Wed, 1 Apr 2015 09:54:19 -0400 From: Eryu Guan To: fstests@vger.kernel.org Cc: Eryu Guan Subject: [PATCH 6/9] generic: test I/O error path by fully filling dm snapshot Date: Wed, 1 Apr 2015 21:54:15 +0800 Message-Id: <1427896455-12048-1-git-send-email-eguan@redhat.com> In-Reply-To: <1426846618-23413-7-git-send-email-eguan@redhat.com> References: <1426846618-23413-7-git-send-email-eguan@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP xfs used to panic in this test, this xfs commit fix the bug 8d6c121 xfs: fix buffer use after free on IO error ext4 and btrfs trigger WARNING on current 4.0-rc3 kernel Signed-off-by: Eryu Guan --- v2: - add _require_dm_snapshot() function to require dm snapshot target - make sure SCRATCH_DEV has enough space for the test - fail the test directly when failures detected in setup phase common/config | 1 + common/rc | 10 ++++++ tests/generic/081 | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/081.out | 2 ++ tests/generic/group | 1 + 5 files changed, 100 insertions(+) create mode 100755 tests/generic/081 create mode 100644 tests/generic/081.out diff --git a/common/config b/common/config index e5c3579..3732287 100644 --- a/common/config +++ b/common/config @@ -190,6 +190,7 @@ export DMSETUP_PROG="`set_prog_path dmsetup`" export WIPEFS_PROG="`set_prog_path wipefs`" export DUMP_PROG="`set_prog_path dump`" export RESTORE_PROG="`set_prog_path restore`" +export LVM_PROG="`set_prog_path lvm`" # Generate a comparable xfsprogs version number in the form of # major * 10000 + minor * 100 + release diff --git a/common/rc b/common/rc index 857308a..74df379 100644 --- a/common/rc +++ b/common/rc @@ -1311,6 +1311,16 @@ _require_dm_flakey() fi } +_require_dm_snapshot() +{ + _require_command "$DMSETUP_PROG" dmsetup + modprobe dm-snapshot >/dev/null 2>&1 + $DMSETUP_PROG targets | grep -q snapshot + if [ $? -ne 0 ]; then + _notrun "This test requires dm snapshot support" + fi +} + # this test requires the projid32bit feature to be available in mkfs.xfs. # _require_projid32bit() diff --git a/tests/generic/081 b/tests/generic/081 new file mode 100755 index 0000000..3e17d34 --- /dev/null +++ b/tests/generic/081 @@ -0,0 +1,86 @@ +#! /bin/bash +# FS QA Test No. 081 +# +# Test I/O error path by fully filling an dm snapshot. +# +#----------------------------------------------------------------------- +# Copyright (c) 2015 Red Hat Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +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.* + # lvm may have umounted it on I/O error, but in case it does not + $UMOUNT_PROG $mnt >/dev/null 2>&1 + $LVM_PROG vgremove -f $vgname >>$seqres.full 2>&1 + $LVM_PROG pvremove -f $SCRATCH_DEV >>$seqres.full 2>&1 +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_fs generic +_supported_os Linux +_require_test +_require_scratch_nocheck +_require_dm_snapshot +_require_block_device $SCRATCH_DEV +_require_command $LVM_PROG lvm + +echo "Silence is golden" +rm -f $seqres.full + +vgname=vg_$seq +lvname=base_$seq +snapname=snap_$seq +mnt=$TEST_DIR/mnt_$seq +mkdir -p $mnt + +# make sure there's enough disk space for 256M lv, test for 300M here in case +# lvm uses some space for metadata +_scratch_mkfs_sized $((300 * 1024 * 1024)) >>$seqres.full 2>&1 +$LVM_PROG vgcreate -f $vgname $SCRATCH_DEV >>$seqres.full 2>&1 +$LVM_PROG lvcreate --yes -L 256M -n $lvname $vgname >>$seqres.full 2>&1 + +# _mkfs_dev exits the test on failure, this can make sure lv is created in +# above vgcreate/lvcreate steps +_mkfs_dev /dev/mapper/$vgname-$lvname + +# create a 4M snapshot +$LVM_PROG lvcreate -s -L 4M -n $snapname $vgname/$lvname >>$seqres.full 2>&1 || \ + _fail "Failed to create snapshot" + +_mount /dev/mapper/$vgname-$snapname $mnt + +# write 5M data to the snapshot +$XFS_IO_PROG -fc "pwrite 0 5m" $mnt/testfile >>$seqres.full 2>&1 + +# _check_dmesg will check for WARNINGs/BUGs in dmesg +status=0 +exit diff --git a/tests/generic/081.out b/tests/generic/081.out new file mode 100644 index 0000000..663a886 --- /dev/null +++ b/tests/generic/081.out @@ -0,0 +1,2 @@ +QA output created by 081 +Silence is golden diff --git a/tests/generic/group b/tests/generic/group index cf7408c..f5ebe48 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -83,6 +83,7 @@ 078 auto quick metadata 079 acl attr ioctl metadata auto quick 080 auto freeze mount +081 auto quick 083 rw auto enospc stress 088 perms auto quick 089 metadata auto