Re: [PATCH 2/2] xfs: test the xfs_db ls command

[Chandan Babu R <chandanrlinux@gmail.com>]

On 23 Mar 2021 at 09:50, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
>
> Make sure that the xfs_db ls command works the way the author thinks it
> does.
>
> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
> ---
>  tests/xfs/918     |  109 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/xfs/918.out |   27 +++++++++++++
>  tests/xfs/group   |    1
>  3 files changed, 137 insertions(+)
>  create mode 100755 tests/xfs/918
>  create mode 100644 tests/xfs/918.out
>
>
> diff --git a/tests/xfs/918 b/tests/xfs/918
> new file mode 100755
> index 00000000..7211df92
> --- /dev/null
> +++ b/tests/xfs/918
> @@ -0,0 +1,109 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +# Copyright (c) 2021 Oracle.  All Rights Reserved.
> +#
> +# FS QA Test No. 918
> +#
> +# Make sure the xfs_db ls command works the way the author thinks it does.
> +# This means that we can list the current directory, list an arbitrary path,
> +# and we can't list things that aren't directories.
> +#
> +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.*
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +_supported_fs xfs
> +_require_xfs_db_command "path"
> +_require_xfs_db_command "ls"
> +_require_scratch
> +
> +echo "Format filesystem and populate"
> +_scratch_mkfs > $seqres.full
> +_scratch_mount >> $seqres.full
> +
> +$XFS_INFO_PROG $SCRATCH_MNT | grep -q ftype=1 || \
> +	_notrun "filesystem does not support ftype"
> +
> +filter_ls() {
> +	awk '
> +BEGIN { cookie = 0; }
> +{
> +	if (cookie == 0)
> +		cookie = $1;
> +	printf("+%d %s %s %s %s %s\n", $1 - cookie, $2, $3, $4, $5, $6);
> +	cookie = $1;
> +}' | \
> +	sed	-e "s/ $root_ino directory / root directory /g" \
> +		-e "s/ $a_ino directory / a_ino directory /g" \
> +		-e "s/ $b_ino directory / b_ino directory /g" \
> +		-e "s/ $c_ino regular / c_ino regular /g" \
> +		-e "s/ $d_ino symlink / d_ino symlink /g" \
> +		-e "s/ $e_ino blkdev / e_ino blkdev /g" \
> +		-e "s/ $f_ino chardev / f_ino chardev /g" \
> +		-e "s/ $g_ino fifo / g_ino fifo /g" \
> +		-e "s/ $big0_ino regular / big0_ino regular /g" \
> +		-e "s/ $big1_ino regular / big1_ino regular /g" \
> +		-e "s/ $h_ino regular / g_ino regular /g"
> +}
> +
> +mkdir $SCRATCH_MNT/a
> +mkdir $SCRATCH_MNT/a/b
> +$XFS_IO_PROG -f -c 'pwrite 0 61' $SCRATCH_MNT/a/c >> $seqres.full
> +ln -s -f b $SCRATCH_MNT/a/d

Similar to the previous patch, the symbolic link 'd' will refer to a
non-existing file. However, it shouldn't matter w.r.t to correctness of this
test.

> +mknod $SCRATCH_MNT/a/e b 0 0
> +mknod $SCRATCH_MNT/a/f c 0 0
> +mknod $SCRATCH_MNT/a/g p
> +touch $SCRATCH_MNT/a/averylongnameforadirectorysothatwecanpushthecookieforward
> +touch $SCRATCH_MNT/a/andmakethefirstcolumnlookmoreinterestingtopeoplelolwtfbbq
> +touch $SCRATCH_MNT/a/h
> +
> +root_ino=$(stat -c '%i' $SCRATCH_MNT)
> +a_ino=$(stat -c '%i' $SCRATCH_MNT/a)
> +b_ino=$(stat -c '%i' $SCRATCH_MNT/a/b)
> +c_ino=$(stat -c '%i' $SCRATCH_MNT/a/c)
> +d_ino=$(stat -c '%i' $SCRATCH_MNT/a/d)
> +e_ino=$(stat -c '%i' $SCRATCH_MNT/a/e)
> +f_ino=$(stat -c '%i' $SCRATCH_MNT/a/f)
> +g_ino=$(stat -c '%i' $SCRATCH_MNT/a/g)
> +big0_ino=$(stat -c '%i' $SCRATCH_MNT/a/avery*)
> +big1_ino=$(stat -c '%i' $SCRATCH_MNT/a/andma*)
> +h_ino=$(stat -c '%i' $SCRATCH_MNT/a/h)
> +
> +_scratch_unmount
> +
> +echo "Manually navigate to root dir then list"
> +_scratch_xfs_db -c 'sb 0' -c 'addr rootino' -c ls > /tmp/fuck0
> +cat /tmp/fuck0 | filter_ls > /tmp/fuck1

The two lines above are redundant.

> +_scratch_xfs_db -c 'sb 0' -c 'addr rootino' -c ls | filter_ls

--
chandan