Re: [PATCH 1/3] xfstests/btrfs: add qgroup rescan stress test

[Dave Chinner <david@fromorbit.com>]

On Thu, Feb 13, 2014 at 11:18:57AM +0800, Wang Shilong wrote:
> Test flow is to run fsstress after triggering quota rescan.
> the ruler is simple, we just remove all files and directories,
> sync filesystem and see if qgroup's ref and excl are nodesize.
> 
> Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
> ---
>  tests/btrfs/038     | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/btrfs/038.out |  3 +++
>  tests/btrfs/group   |  1 +
>  3 files changed, 79 insertions(+)
>  create mode 100644 tests/btrfs/038
>  create mode 100644 tests/btrfs/038.out
> 
> diff --git a/tests/btrfs/038 b/tests/btrfs/038
> new file mode 100644
> index 0000000..f6bd872
> --- /dev/null
> +++ b/tests/btrfs/038
> @@ -0,0 +1,75 @@
> +#! /bin/bash
> +# FSQA Test No. btrfs/038
> +#
> +# Quota rescan stress test, we run fsstress and quota rescan concurrently
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (C) 2014 Fujitsu.  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
> +
> +_cleanup()
> +{
> +       rm -f $tmp.*
> +}
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# real QA test starts here
> +_need_to_be_root
> +_supported_fs btrfs
> +_supported_os Linux
> +_require_scratch
> +
> +rm -f $seqres.full
> +
> +run_check _scratch_mkfs "-b 2g --nodesize 4096"
> +run_check _scratch_mount
> +
> +# -w ensures that the only ops are ones which cause write I/O
> +run_check $FSSTRESS_PROG -d $SCRATCH_MNT -w -p 5 -n 1000 \
> +		$FSSTRESS_AVOID >&/dev/null
> +
> +run_check $BTRFS_UTIL_PROG subvolume snapshot $SCRATCH_MNT \
> +       $SCRATCH_MNT/snap1 >>$seqres.full 2>&1
> +
> +run_check $FSSTRESS_PROG -d $SCRATCH_MNT/snap1 -w -p 5 -n 1000 \
> +       $FSSTRESS_AVOID >&/dev/null
> +
> +run_check $BTRFS_UTIL_PROG quota enable $SCRATCH_MNT
> +run_check $BTRFS_UTIL_PROG quota rescan -w $SCRATCH_MNT

"run_check considered harmful."

http://oss.sgi.com/archives/xfs/2014-02/msg00482.html

Once I've committed Filipe's run_btrfs_util_prog, can you update
this series to remove all the unnecessary run_check calls and
repost? Thanks!

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com