Re: [PATCH 1/8] ext4: fsmap tests

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On Wed, Jun 21, 2017 at 02:57:11PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> Test the GETFSMAP ioctl against ext4.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> ---
>  tests/ext4/700     |   76 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/ext4/700.out |    7 +++++
>  tests/ext4/701     |   65 ++++++++++++++++++++++++++++++++++++++++++++
>  tests/ext4/701.out |    3 ++
>  tests/ext4/702     |   66 +++++++++++++++++++++++++++++++++++++++++++++
>  tests/ext4/702.out |    4 +++
>  tests/ext4/group   |    3 ++
>  7 files changed, 224 insertions(+)
>  create mode 100755 tests/ext4/700
>  create mode 100644 tests/ext4/700.out
>  create mode 100755 tests/ext4/701
>  create mode 100644 tests/ext4/701.out
>  create mode 100755 tests/ext4/702
>  create mode 100644 tests/ext4/702.out
> 
> 
> diff --git a/tests/ext4/700 b/tests/ext4/700
> new file mode 100755
> index 0000000..a4a1b83
> --- /dev/null
> +++ b/tests/ext4/700
> @@ -0,0 +1,76 @@
> +#! /bin/bash
> +# FS QA Test No. 700
> +#
> +# Check that getfsmap reports the BG metadata we're expecting.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2017, Oracle and/or its affiliates.  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".* $TEST_DIR/fsmap $TEST_DIR/testout
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +_supported_os Linux
> +_supported_fs ext4
> +_require_scratch
> +_require_xfs_io_command "fsmap"
> +
> +rm -f "$seqres.full"
> +
> +echo "Format and mount"
> +_scratch_mkfs > "$seqres.full" 2>&1
> +_scratch_mount
> +
> +echo "Get fsmap" | tee -a $seqres.full
> +$XFS_IO_PROG -c 'fsmap' $SCRATCH_MNT > $TEST_DIR/fsmap
> +cat $TEST_DIR/fsmap >> $seqres.full
> +
> +echo "Check fs metadata" | tee -a $seqres.full
> +x=$(grep -c 'static fs metadata' $TEST_DIR/fsmap)
> +test $x -gt 0 || echo "No fs metadata?"

This test passed for me if I enlarge the size of external log device. It
was 256M and mkfs picked 1k as block size previously. Though it silll
failed in 1k block size test, but that's a kernel issue not test :)

> +
> +echo "Check block bitmap" | tee -a $seqres.full
> +x=$(grep -c 'special 102:1' $TEST_DIR/fsmap)
> +test $x -gt 0 || echo "No block bitmaps?"
> +
> +echo "Check inode bitmap" | tee -a $seqres.full
> +x=$(grep -c 'special 102:2' $TEST_DIR/fsmap)
> +test $x -gt 0 || echo "No inode bitmaps?"
> +
> +echo "Check inodes" | tee -a $seqres.full
> +x=$(grep -c 'inodes' $TEST_DIR/fsmap)
> +test $x -gt 0 || echo "No inodes?"
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/ext4/700.out b/tests/ext4/700.out
> new file mode 100644
> index 0000000..3984319
> --- /dev/null
> +++ b/tests/ext4/700.out
> @@ -0,0 +1,7 @@
> +QA output created by 700
> +Format and mount
> +Get fsmap
> +Check fs metadata
> +Check block bitmap
> +Check inode bitmap
> +Check inodes
> diff --git a/tests/ext4/701 b/tests/ext4/701
> new file mode 100755
> index 0000000..6ae93d7
> --- /dev/null
> +++ b/tests/ext4/701
> @@ -0,0 +1,65 @@
> +#! /bin/bash
> +# FS QA Test No. 701
> +#
> +# Populate filesystem, check that fsmap -n10000 matches fsmap -n1.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2017, Oracle and/or its affiliates.  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".* $TEST_DIR/a $TEST_DIR/b
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +. ./common/populate
> +
> +# real QA test starts here
> +_supported_os Linux
> +_supported_fs ext4
> +_require_scratch
> +_require_populate_commands
> +_require_xfs_io_command "fsmap"
> +
> +rm -f "$seqres.full"
> +
> +echo "Format and mount"
> +_scratch_populate_cached nofill > $seqres.full 2>&1
> +
> +echo "Compare fsmap" | tee -a $seqres.full
> +_scratch_mount
> +$XFS_IO_PROG -c 'fsmap -n 65536' $SCRATCH_MNT | grep -v 'EXT:' > $TEST_DIR/a
> +$XFS_IO_PROG -c 'fsmap -n 1' $SCRATCH_MNT | grep -v 'EXT:' > $TEST_DIR/b
> +cat $TEST_DIR/a $TEST_DIR/b >> $seqres.full
> +
> +diff -uw $TEST_DIR/a $TEST_DIR/b

But this test is still failing for me with external log set.

--- tests/ext4/027.out  2017-06-22 16:53:30.814487339 +0800
+++ /root/xfstests/results//ext4/027.out.bad    2017-06-23 15:36:27.502464414 +0800
@@ -1,3 +1,10 @@
 QA output created by 027
 Format and mount
 Compare fsmap
+--- /mnt/testarea/test/a       2017-06-23 15:36:27.433463217 +0800
++++ /mnt/testarea/test/b       2017-06-23 15:36:27.491464224 +0800
+@@ -760,4 +760,3 @@
+       759: 8:34 [29360256..29393023]: inodes 32768
+       760: 8:34 [29393024..31457279]: free space 2064256
+       761: 8:41 [0..7]: unknown 8
+-      762: 8:41 [8..524295]: journalling log 524288

Does this expose another kernel bug or the test itself needs fix?

Thanks,
Eryu

> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/ext4/701.out b/tests/ext4/701.out
> new file mode 100644
> index 0000000..41ef1c6
> --- /dev/null
> +++ b/tests/ext4/701.out
> @@ -0,0 +1,3 @@
> +QA output created by 701
> +Format and mount
> +Compare fsmap
> diff --git a/tests/ext4/702 b/tests/ext4/702
> new file mode 100755
> index 0000000..ce3ae11
> --- /dev/null
> +++ b/tests/ext4/702
> @@ -0,0 +1,66 @@
> +#! /bin/bash
> +# FS QA Test No. 702
> +#
> +# Check that getfsmap reports external log devices
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2017, Oracle and/or its affiliates.  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".* $TEST_DIR/fsmap $TEST_DIR/testout
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +_supported_os Linux
> +_supported_fs ext4
> +_require_logdev
> +_require_scratch
> +_require_xfs_io_command "fsmap"
> +
> +rm -f "$seqres.full"
> +
> +echo "Format and mount"
> +_scratch_mkfs > "$seqres.full" 2>&1
> +_scratch_mount
> +
> +echo "Get fsmap" | tee -a $seqres.full
> +$XFS_IO_PROG -c 'fsmap' $SCRATCH_MNT >> $seqres.full
> +$XFS_IO_PROG -c 'fsmap' $SCRATCH_MNT | tr '[]()' '    ' > $TEST_DIR/fsmap
> +
> +echo "Check device field of FS metadata and journalling log"
> +data_dev=$(grep 'static fs metadata' $TEST_DIR/fsmap | head -n 1 | awk '{print $2}')
> +journal_dev=$(grep 'journalling log' $TEST_DIR/fsmap | head -n 1 | awk '{print $2}')
> +test "${data_dev}" != "${journal_dev}" || echo "data ${data_dev} journal ${journal_dev}?"
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/ext4/702.out b/tests/ext4/702.out
> new file mode 100644
> index 0000000..1d3b7ef
> --- /dev/null
> +++ b/tests/ext4/702.out
> @@ -0,0 +1,4 @@
> +QA output created by 702
> +Format and mount
> +Get fsmap
> +Check device field of FS metadata and journalling log
> diff --git a/tests/ext4/group b/tests/ext4/group
> index 664c059..9007adf 100644
> --- a/tests/ext4/group
> +++ b/tests/ext4/group
> @@ -37,3 +37,6 @@
>  306 auto rw resize quick
>  307 auto ioctl rw defrag
>  308 auto ioctl rw prealloc quick defrag
> +700 auto quick fsmap
> +701 auto quick fsmap
> +702 auto quick fsmap
> 
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