Re: [PATCH 10/12] xfs: test xfs_copy and xfs_mdrestore on the populate images

[Eryu Guan <guaneryu@gmail.com>]

On Tue, Mar 19, 2019 at 05:45:49PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Make sure that copy, metadump, and mdrestore work on a filesystem with
> all known metadata types.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
>  tests/xfs/740     |   97 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/xfs/740.out |   12 +++++++
>  tests/xfs/group   |    1 +
>  3 files changed, 110 insertions(+)
>  create mode 100755 tests/xfs/740
>  create mode 100644 tests/xfs/740.out
> 
> 
> diff --git a/tests/xfs/740 b/tests/xfs/740
> new file mode 100755
> index 00000000..0ff548cb
> --- /dev/null
> +++ b/tests/xfs/740
> @@ -0,0 +1,97 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0+
> +# Copyright (c) 2019 Oracle, Inc.  All Rights Reserved.
> +#
> +# FS QA Test No. 740
> +#
> +# Populate a XFS filesystem and ensure that metadump, mdrestore, and copy
> +# all work properly.
> +#
> +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 7 15
> +
> +_cleanup()
> +{
> +	cd /
> +	rm -rf $tmp.* $testdir
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +. ./common/populate
> +
> +testdir=$TEST_DIR/test-$seq
> +
> +# real QA test starts here
> +_supported_os Linux
> +_supported_fs xfs
> +
> +_require_scratch_nocheck
> +_require_populate_commands
> +
> +echo "Format and populate"
> +_scratch_populate_cached nofill > $seqres.full 2>&1
> +
> +mkdir -p $testdir
> +metadump_file=$testdir/scratch.md
> +metadump_file_a=${metadump_file}.a
> +metadump_file_g=${metadump_file}.g
> +metadump_file_ag=${metadump_file}.ag
> +copy_file=$testdir/copy.img
> +
> +echo metadump
> +_scratch_metadump $metadump_file
> +
> +echo metadump a
> +_scratch_metadump $metadump_file_a
> +
> +echo metadump g
> +_scratch_metadump $metadump_file_g
> +
> +echo metadump ag
> +_scratch_metadump $metadump_file_ag

I may miss something here, but I'm a bit confused, what's the difference
between all these metadump files? Looks like scratch device is just
dumped multiple times to different dump files? And later restored
multiple times?

Thanks,
Eryu

> +
> +echo copy
> +$XFS_COPY_PROG $SCRATCH_DEV $copy_file >> $seqres.full
> +_check_scratch_fs $copy_file
> +
> +echo recopy
> +$XFS_COPY_PROG $copy_file $SCRATCH_DEV >> $seqres.full
> +_scratch_mount
> +_check_scratch_fs
> +_scratch_unmount
> +
> +echo mdrestore
> +xfs_mdrestore $metadump_file $SCRATCH_DEV
> +_scratch_mount
> +_check_scratch_fs
> +_scratch_unmount
> +
> +echo mdrestore a
> +xfs_mdrestore $metadump_file_a $SCRATCH_DEV
> +_scratch_mount
> +_check_scratch_fs
> +_scratch_unmount
> +
> +echo mdrestore g
> +xfs_mdrestore $metadump_file_g $SCRATCH_DEV
> +_scratch_mount
> +_check_scratch_fs
> +_scratch_unmount
> +
> +echo mdrestore ag
> +xfs_mdrestore $metadump_file_ag $SCRATCH_DEV
> +_scratch_mount
> +_check_scratch_fs
> +_scratch_unmount
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/xfs/740.out b/tests/xfs/740.out
> new file mode 100644
> index 00000000..0c979dc4
> --- /dev/null
> +++ b/tests/xfs/740.out
> @@ -0,0 +1,12 @@
> +QA output created by 740
> +Format and populate
> +metadump
> +metadump a
> +metadump g
> +metadump ag
> +copy
> +recopy
> +mdrestore
> +mdrestore a
> +mdrestore g
> +mdrestore ag
> diff --git a/tests/xfs/group b/tests/xfs/group
> index 9d9458b8..b8bd1012 100644
> --- a/tests/xfs/group
> +++ b/tests/xfs/group
> @@ -500,3 +500,4 @@
>  500 auto quick mkfs prealloc mkfs
>  501 auto quick unlink
>  502 auto quick unlink
> +740 auto copy metadump
>