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Re: [PATCH v3 2/2] xfstests btrfs/316: test send / receive

To: Jan Schmidt <list.xfs@xxxxxxxxxxxxx>
Subject: Re: [PATCH v3 2/2] xfstests btrfs/316: test send / receive
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Thu, 08 Aug 2013 12:45:02 -0500
Cc: xfs@xxxxxxxxxxx, sbehrens@xxxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1375949833-1104-3-git-send-email-list.xfs@xxxxxxxxxxxxx>
References: <1375949833-1104-1-git-send-email-list.xfs@xxxxxxxxxxxxx> <1375949833-1104-3-git-send-email-list.xfs@xxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:17.0) Gecko/20130801 Thunderbird/17.0.8
On 8/8/13 3:17 AM, Jan Schmidt wrote:
> Basic send / receive functionality test for btrfs. Requires current
> version of fsstress built (-x support). Relies on fssum tool but can
> skip the test if it failed to build.
> 
> Signed-off-by: Jan Schmidt <list.xfs@xxxxxxxxxxxxx>
> Reviewed-by: Josef Bacik <jbacik@xxxxxxxxxxxx>
> ---
>  tests/btrfs/316     |  113 
> +++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/btrfs/316.out |    4 ++
>  tests/btrfs/group   |    1 +
>  3 files changed, 118 insertions(+), 0 deletions(-)
>  create mode 100755 tests/btrfs/316
>  create mode 100644 tests/btrfs/316.out
> 
> diff --git a/tests/btrfs/316 b/tests/btrfs/316
> new file mode 100755
> index 0000000..087978a
> --- /dev/null
> +++ b/tests/btrfs/316
> @@ -0,0 +1,113 @@
> +#! /bin/bash
> +# FSQA Test No. 316
> +#
> +# Run fsstress to create a reasonably strange file system, make a
> +# snapshot (base) and run more fsstress. Then take another snapshot
> +# (incr) and send both snapshots to a temp file. Remake the file
> +# system and receive from the files. Check both states with fssum.
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (C) 2013 STRATO.  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
> +#
> +#-----------------------------------------------------------------------
> +#
> +# creator
> +owner=list.btrfs@xxxxxxxxxxxxx
> +
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=`mktemp -d`
> +status=1
> +
> +_cleanup()
> +{
> +     echo "*** unmount"
> +     umount $SCRATCH_MNT 2>/dev/null
> +     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

_require_seek_data_hole

> +_require_command $FSSUM_PROG fssum

Usually for local binaries in src/ we'd just do:

FSSUM_PROG=$here/src/fssum
[ -x $FSSUM_PROG ] || _notrun "fssum not built"

There's no other src/* binary that gets set in common/config;
every test just does it locally, so probably best to
stick with that convention.

I think we're almost there!  :)

-Eric

> +
> +rm -f $seqres.full
> +
> +workout()
> +{
> +     fsz=$1
> +     ops=$2
> +
> +     umount $SCRATCH_DEV >/dev/null 2>&1
> +     echo "*** mkfs -dsize=$fsz"    >>$seqres.full
> +     echo ""                                     >>$seqres.full
> +     _scratch_mkfs_sized $fsz >>$seqres.full 2>&1 \
> +             || _fail "size=$fsz mkfs failed"
> +     run_check _scratch_mount "-o noatime"
> +
> +     run_check $FSSTRESS_PROG -d $SCRATCH_MNT -n $ops $FSSTRESS_AVOID -x \
> +             "$BTRFS_UTIL_PROG subvol snap -r $SCRATCH_MNT $SCRATCH_MNT/base"
> +
> +     run_check $BTRFS_UTIL_PROG subvol snap -r $SCRATCH_MNT $SCRATCH_MNT/incr
> +
> +     echo "# $BTRFS_UTIL_PROG send $SCRATCH_MNT/base > $tmp/base.snap" \
> +             >> $seqres.full
> +     $BTRFS_UTIL_PROG send $SCRATCH_MNT/base > $tmp/base.snap 2>> 
> $seqres.full \
> +             || _fail "failed: '$@'"
> +     echo "# $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/base\
> +             $SCRATCH_MNT/incr > $tmp/incr.snap" >> $seqres.full
> +     $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/base \
> +             $SCRATCH_MNT/incr > $tmp/incr.snap 2>> $seqres.full \
> +             || _fail "failed: '$@'"
> +
> +     run_check $FSSUM_PROG -A -f -w $tmp/base.fssum $SCRATCH_MNT/base
> +     run_check $FSSUM_PROG -A -f -w $tmp/incr.fssum -x 
> $SCRATCH_MNT/incr/base \
> +             $SCRATCH_MNT/incr
> +
> +     umount $SCRATCH_DEV >/dev/null 2>&1
> +     echo "*** mkfs -dsize=$fsz"    >>$seqres.full
> +     echo ""                                     >>$seqres.full
> +     _scratch_mkfs_sized $fsz >>$seqres.full 2>&1 \
> +             || _fail "size=$fsz mkfs failed"
> +     run_check _scratch_mount "-o noatime"
> +
> +     run_check $BTRFS_UTIL_PROG receive $SCRATCH_MNT < $tmp/base.snap
> +     run_check $FSSUM_PROG -r $tmp/base.fssum $SCRATCH_MNT/base
> +
> +     run_check $BTRFS_UTIL_PROG receive $SCRATCH_MNT < $tmp/incr.snap
> +     run_check $FSSUM_PROG -r $tmp/incr.fssum $SCRATCH_MNT/incr
> +}
> +
> +echo "*** test send / receive"
> +
> +fssize=`expr 2000 \* 1024 \* 1024`
> +ops=200
> +
> +workout $fssize $ops
> +
> +echo "*** done"
> +status=0
> +exit
> diff --git a/tests/btrfs/316.out b/tests/btrfs/316.out
> new file mode 100644
> index 0000000..4564c85
> --- /dev/null
> +++ b/tests/btrfs/316.out
> @@ -0,0 +1,4 @@
> +QA output created by 316
> +*** test send / receive
> +*** done
> +*** unmount
> diff --git a/tests/btrfs/group b/tests/btrfs/group
> index bc6c256..11d708a 100644
> --- a/tests/btrfs/group
> +++ b/tests/btrfs/group
> @@ -9,3 +9,4 @@
>  276 auto rw metadata
>  284 auto
>  307 auto quick
> +316 auto rw metadata
> 

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