From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:44722 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754513AbaA1OdL (ORCPT ); Tue, 28 Jan 2014 09:33:11 -0500 Message-ID: <52E7BFA0.4040204@fb.com> Date: Tue, 28 Jan 2014 09:33:04 -0500 From: Josef Bacik MIME-Version: 1.0 To: Filipe David Borba Manana , CC: Subject: Re: [PATCH] xfstests: test btrfs send issue with non-aligned clone operations References: <1389476202-19683-1-git-send-email-fdmanana@gmail.com> In-Reply-To: <1389476202-19683-1-git-send-email-fdmanana@gmail.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 01/11/2014 04:36 PM, Filipe David Borba Manana wrote: > Test for an issue in btrfs send where it sent clone operations to user > space with a range (offset + length) that was not aligned with the block > size. This caused the btrfs receive command to send such clone operations > to the ioctl clone API, which would return -EINVAL errors to btrfs receive, > causing the receive command to abort immediately. > > This corresponding btrfs linux kernel patch that fixes this issue is at: > > https://patchwork.kernel.org/patch/3470401/ > > Signed-off-by: Filipe David Borba Manana > --- > tests/btrfs/025 | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/btrfs/025.out | 18 ++++++++++ > tests/btrfs/group | 1 + > 3 files changed, 117 insertions(+) > create mode 100755 tests/btrfs/025 > create mode 100644 tests/btrfs/025.out > > diff --git a/tests/btrfs/025 b/tests/btrfs/025 > new file mode 100755 > index 0000000..5f13832 > --- /dev/null > +++ b/tests/btrfs/025 > @@ -0,0 +1,98 @@ > +#! /bin/bash > +# FS QA Test No. btrfs/025 > +# > +# Test for an issue in btrfs send where it sent clone operations to user > +# space with a range (offset + length) that was not aligned with the block > +# size. This caused the btrfs receive command to send such clone operations > +# to the ioctl clone API, which would return -EINVAL errors to btrfs receive, > +# causing the receive command to abort immediately. > +# > +#----------------------------------------------------------------------- > +# Copyright (c) 2014 Filipe Manana. 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" > + > +tmp=`mktemp -d` > + > +status=1 # failure is the default! > +trap "_cleanup; exit \$status" 0 1 2 3 15 > + > +_cleanup() > +{ > + rm -fr $tmp > +} > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > + > +# real QA test starts here > +_supported_fs btrfs > +_supported_os Linux > +_require_scratch > +_need_to_be_root > + > +rm -f $seqres.full > + > +_scratch_mkfs >/dev/null 2>&1 > +_scratch_mount > + > +$XFS_IO_PROG -f -c "truncate 819200" $SCRATCH_MNT/foo | _filter_xfs_io > +$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch > + > +$XFS_IO_PROG -c "falloc -k 819200 667648" $SCRATCH_MNT/foo | _filter_xfs_io > +$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch > + > +$XFS_IO_PROG -f -c "pwrite 1482752 2978" $SCRATCH_MNT/foo | _filter_xfs_io > +$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch > + > +$BTRFS_UTIL_PROG subvol snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 | \ > + _filter_scratch > + > +$XFS_IO_PROG -f -c "truncate 883305" $SCRATCH_MNT/foo | _filter_xfs_io > +$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch > + > +$BTRFS_UTIL_PROG subvol snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 | \ > + _filter_scratch > + > +$BTRFS_UTIL_PROG send $SCRATCH_MNT/mysnap1 -f $tmp/1.snap 2>&1 | _filter_scratch > +$BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \ > + -f $tmp/2.snap 2>&1 | _filter_scratch > + > +md5sum $SCRATCH_MNT/foo | _filter_scratch > +md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch > +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch > + > +_scratch_unmount > +_check_btrfs_filesystem $SCRATCH_DEV > +_scratch_mkfs >/dev/null 2>&1 > +_scratch_mount > + > +$BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/1.snap > +md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch > + > +$BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/2.snap > +md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch > + > +_scratch_unmount > +_check_btrfs_filesystem $SCRATCH_DEV > + > +status=0 > +exit > diff --git a/tests/btrfs/025.out b/tests/btrfs/025.out > new file mode 100644 > index 0000000..aaad4ab > --- /dev/null > +++ b/tests/btrfs/025.out > @@ -0,0 +1,18 @@ > +QA output created by 025 > +FSSync 'SCRATCH_MNT' > +FSSync 'SCRATCH_MNT' > +wrote 2978/2978 bytes at offset 1482752 > +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > +FSSync 'SCRATCH_MNT' > +Create a readonly snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/mysnap1' > +FSSync 'SCRATCH_MNT' > +Create a readonly snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/mysnap2' > +At subvol SCRATCH_MNT/mysnap1 > +At subvol SCRATCH_MNT/mysnap2 > +129b8eaee8d3c2bcad49bec596591cb3 SCRATCH_MNT/foo > +42b6369eae2a8725c1aacc0440e597aa SCRATCH_MNT/mysnap1/foo > +129b8eaee8d3c2bcad49bec596591cb3 SCRATCH_MNT/mysnap2/foo > +At subvol mysnap1 > +42b6369eae2a8725c1aacc0440e597aa SCRATCH_MNT/mysnap1/foo > +At snapshot mysnap2 > +129b8eaee8d3c2bcad49bec596591cb3 SCRATCH_MNT/mysnap2/foo Same feedback as earlier, don't rely on the output from btrfs send, just use run_check. Thanks, Josef