| Message ID | 20170713141040.2341-1-fdmanana@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Jul 13, 2017 at 03:10:40PM +0100, fdmanana@kernel.org wrote: > From: Filipe Manana <fdmanana@suse.com> > > Test that a direct IO write works against raid5/6 filesystems and that > after the write operation we are able to read back the correct data > and scrub operations don't find any errors. > > This test is motivated by a regression introduced in the merge window > for the 4.13 linux kernel, which was undetected by the current set of > test cases. The issue is fixed by the following patch: > > "Btrfs: fix write corruption due to bio cloning on raid5/6" > Thanks for the testcase. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> -liubo > Signed-off-by: Filipe Manana <fdmanana@suse.com> > --- > tests/btrfs/148 | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/btrfs/148.out | 23 +++++++++++++++ > tests/btrfs/group | 1 + > 3 files changed, 109 insertions(+) > create mode 100755 tests/btrfs/148 > create mode 100644 tests/btrfs/148.out > > diff --git a/tests/btrfs/148 b/tests/btrfs/148 > new file mode 100755 > index 00000000..45aa577a > --- /dev/null > +++ b/tests/btrfs/148 > @@ -0,0 +1,85 @@ > +#! /bin/bash > +# FS QA Test No. btrfs/148 > +# > +# Test that direct IO writes work on RAID5 and RAID6 filesystems. > +# > +#----------------------------------------------------------------------- > +# > +# Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved. > +# Author: Filipe Manana <fdmanana@suse.com> > +# > +# 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=/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 btrfs > +_supported_os Linux > +_require_scratch > +_require_scratch_dev_pool 4 > + > +_scratch_dev_pool_get 4 > + > +rm -f $seqres.full > + > +test_direct_io_write() > +{ > + local mkfs_options=$1 > + > + _scratch_pool_mkfs $mkfs_options >>$seqres.full 2>&1 > + _scratch_mount > + > + $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 1M" $SCRATCH_MNT/foo \ > + | _filter_xfs_io > + > + # Now read back the same data, we expect to get what we wrote before. > + echo "File data after direct IO write:" > + od -t x1 $SCRATCH_MNT/foo | _filter_scratch > + _scratch_cycle_mount > + echo "File data after umounting and mounting again the filesystem:" > + od -t x1 $SCRATCH_MNT/foo | _filter_scratch > + > + $BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1 > + if [ $? -ne 0 ]; then > + echo "Scrub found errors" | tee -a $seqres.full > + fi > + > + _scratch_unmount > +} > + > +echo "Testing RAID5..." > +test_direct_io_write "-m raid5 -d raid5" > +echo "Testing RAID6..." > +test_direct_io_write "-m raid6 -d raid6" > + > +status=0 > +exit > diff --git a/tests/btrfs/148.out b/tests/btrfs/148.out > new file mode 100644 > index 00000000..c4178f66 > --- /dev/null > +++ b/tests/btrfs/148.out > @@ -0,0 +1,23 @@ > +QA output created by 148 > +Testing RAID5... > +wrote 1048576/1048576 bytes at offset 0 > +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > +File data after direct IO write: > +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab > +* > +4000000 > +File data after umounting and mounting again the filesystem: > +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab > +* > +4000000 > +Testing RAID6... > +wrote 1048576/1048576 bytes at offset 0 > +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > +File data after direct IO write: > +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab > +* > +4000000 > +File data after umounting and mounting again the filesystem: > +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab > +* > +4000000 > diff --git a/tests/btrfs/group b/tests/btrfs/group > index 2eb540e7..eb4cb653 100644 > --- a/tests/btrfs/group > +++ b/tests/btrfs/group > @@ -150,3 +150,4 @@ > 145 auto quick send > 146 auto quick > 147 auto quick send > +148 auto quick > -- > 2.11.0 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, Jul 13, 2017 at 03:10:40PM +0100, fdmanana@kernel.org wrote: > From: Filipe Manana <fdmanana@suse.com> > > Test that a direct IO write works against raid5/6 filesystems and that > after the write operation we are able to read back the correct data > and scrub operations don't find any errors. > > This test is motivated by a regression introduced in the merge window > for the 4.13 linux kernel, which was undetected by the current set of > test cases. The issue is fixed by the following patch: > > "Btrfs: fix write corruption due to bio cloning on raid5/6" > > Signed-off-by: Filipe Manana <fdmanana@suse.com> Thanks for the test! I did minor updates and committed: - add _require_odirect in the test - add rw group Thanks, Eryu -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/tests/btrfs/148 b/tests/btrfs/148 new file mode 100755 index 00000000..45aa577a --- /dev/null +++ b/tests/btrfs/148 @@ -0,0 +1,85 @@ +#! /bin/bash +# FS QA Test No. btrfs/148 +# +# Test that direct IO writes work on RAID5 and RAID6 filesystems. +# +#----------------------------------------------------------------------- +# +# Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved. +# Author: Filipe Manana <fdmanana@suse.com> +# +# 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=/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 btrfs +_supported_os Linux +_require_scratch +_require_scratch_dev_pool 4 + +_scratch_dev_pool_get 4 + +rm -f $seqres.full + +test_direct_io_write() +{ + local mkfs_options=$1 + + _scratch_pool_mkfs $mkfs_options >>$seqres.full 2>&1 + _scratch_mount + + $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 1M" $SCRATCH_MNT/foo \ + | _filter_xfs_io + + # Now read back the same data, we expect to get what we wrote before. + echo "File data after direct IO write:" + od -t x1 $SCRATCH_MNT/foo | _filter_scratch + _scratch_cycle_mount + echo "File data after umounting and mounting again the filesystem:" + od -t x1 $SCRATCH_MNT/foo | _filter_scratch + + $BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1 + if [ $? -ne 0 ]; then + echo "Scrub found errors" | tee -a $seqres.full + fi + + _scratch_unmount +} + +echo "Testing RAID5..." +test_direct_io_write "-m raid5 -d raid5" +echo "Testing RAID6..." +test_direct_io_write "-m raid6 -d raid6" + +status=0 +exit diff --git a/tests/btrfs/148.out b/tests/btrfs/148.out new file mode 100644 index 00000000..c4178f66 --- /dev/null +++ b/tests/btrfs/148.out @@ -0,0 +1,23 @@ +QA output created by 148 +Testing RAID5... +wrote 1048576/1048576 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +File data after direct IO write: +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab +* +4000000 +File data after umounting and mounting again the filesystem: +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab +* +4000000 +Testing RAID6... +wrote 1048576/1048576 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +File data after direct IO write: +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab +* +4000000 +File data after umounting and mounting again the filesystem: +0000000 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab +* +4000000 diff --git a/tests/btrfs/group b/tests/btrfs/group index 2eb540e7..eb4cb653 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -150,3 +150,4 @@ 145 auto quick send 146 auto quick 147 auto quick send +148 auto quick