At 06/12/2016 12:38 AM, Eryu Guan wrote:
On Wed, Jun 01, 2016 at 02:40:11PM +0800, Lu Fengqi wrote:Test if qgroup can handle extent de-reference during reallocation. "extent de-reference" means that reducing an extent's reference count or freeing an extent. Although current qgroup can handle it, we still need to prevent any regression which may break current qgroup. Signed-off-by: Lu Fengqi <lufq.fnst@xxxxxxxxxxxxxx> --- common/rc | 4 +-- tests/btrfs/028 | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/028.out | 2 ++ tests/btrfs/group | 1 + 4 files changed, 107 insertions(+), 2 deletions(-) create mode 100755 tests/btrfs/028 create mode 100644 tests/btrfs/028.out diff --git a/common/rc b/common/rc index 51092a0..650d198 100644 --- a/common/rc +++ b/common/rc @@ -3284,9 +3284,9 @@ _btrfs_get_profile_configs() # stress btrfs by running balance operation in a loop _btrfs_stress_balance() { - local btrfs_mnt=$1 + local options=$@ while true; do - $BTRFS_UTIL_PROG balance start $btrfs_mnt + $BTRFS_UTIL_PROG balance start $options done } diff --git a/tests/btrfs/028 b/tests/btrfs/028 new file mode 100755 index 0000000..04a3508 --- /dev/null +++ b/tests/btrfs/028 @@ -0,0 +1,102 @@ +#! /bin/bash +# FS QA Test 028 +# +# Test if qgroup can handle extent de-reference during reallocation. +# "extent de-reference" means that reducing an extent's reference count +# or freeing an extent. +# Although current qgroup can handle it, we still need to prevent any +# regression which may break current qgroup. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 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 # 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 + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +_supported_fs btrfs +_supported_os Linux +_require_scratch + +# Currently in btrfs the node/leaf size can not be smaller than the page +# size (but it can be greater than the page size). So use the largest +# supported node/leaf size (64Kb) so that the test can run on any platform +# that Linux supports. +_scratch_mkfs "--nodesize 64k"I'm not sure if this is necessary, wouldn't mkfs.btrfs pick the proper node/leaf size according to the platform at mkfs time? Thanks, Eryu
Yes, you're right. I check the output of `btrfs qgroup show ` command in the previous version, so I need a fixed nodesize. Now it is not necessary, I will update this patch and cc you.
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