Re: [PATCH 4/5] xfs/004: don't fail test due to realtime files

From: Brian Foster <bfoster@redhat.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: guaneryu@gmail.com, linux-xfs@vger.kernel.org,
	fstests@vger.kernel.org, guan@eryu.me
Subject: Re: [PATCH 4/5] xfs/004: don't fail test due to realtime files
Date: Wed, 28 Apr 2021 13:47:42 -0400	[thread overview]
Message-ID: <YImfvpWFzufkVUvR@bfoster> (raw)
In-Reply-To: <161958295873.3452351.8562454394626118217.stgit@magnolia>

On Tue, Apr 27, 2021 at 09:09:18PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
> 
> This test exercises xfs_db functionality that relates to the free space
> btrees on the data device.  Therefore, make sure that the files we
> create are not realtime files.
> 
> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
> ---

Reviewed-by: Brian Foster <bfoster@redhat.com>

>  tests/xfs/004 |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> 
> diff --git a/tests/xfs/004 b/tests/xfs/004
> index 141cf03a..7633071c 100755
> --- a/tests/xfs/004
> +++ b/tests/xfs/004
> @@ -28,6 +28,10 @@ _populate_scratch()
>  	_scratch_mkfs_xfs | tee -a $seqres.full | _filter_mkfs 2>$tmp.mkfs
>  	. $tmp.mkfs
>  	_scratch_mount
> +	# This test looks at specific behaviors of the xfs_db freesp command,
> +	# which reports on the contents of the free space btrees for the data
> +	# device.  Don't let anything get created on the realtime volume.
> +	$XFS_IO_PROG -c 'chattr -t' $SCRATCH_MNT
>  	dd if=/dev/zero of=$SCRATCH_MNT/foo count=200 bs=4096 >/dev/null 2>&1 &
>  	dd if=/dev/zero of=$SCRATCH_MNT/goo count=400 bs=4096 >/dev/null 2>&1 &
>  	dd if=/dev/zero of=$SCRATCH_MNT/moo count=800 bs=4096 >/dev/null 2>&1 &
>