btrfs: add qgroup rescan stress test

[xfstests-dev.git] / tests / btrfs / 057

diff --git a/tests/btrfs/057 b/tests/btrfs/057
new file mode 100644 (file)
index 0000000..f6f4e0e
--- /dev/null
+++ b/tests/btrfs/057
@@ -0,0 +1,81 @@
+#! /bin/bash
+# FSQA Test No. btrfs/057
+#
+# 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()
+{
+       cd /
+       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
+
+# use small leaf size to get higher btree height.
+run_check _scratch_mkfs "-b 1g --nodesize 4096"
+
+# inode cache is saved in the FS tree itself for every
+# individual FS tree,that affects the sizes reported by qgroup show
+# so we need to explicitly turn it off to get consistent values.
+run_check _scratch_mount "-o noinode_cache"
+
+# -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_btrfs_util_prog subvolume snapshot $SCRATCH_MNT \
+       $SCRATCH_MNT/snap1
+
+run_check $FSSTRESS_PROG -d $SCRATCH_MNT/snap1 -w -p 5 -n 1000 \
+       $FSSTRESS_AVOID >&/dev/null
+
+_run_btrfs_util_prog quota enable $SCRATCH_MNT
+_run_btrfs_util_prog quota rescan -w $SCRATCH_MNT
+
+# ignore removing subvolume errors
+rm -rf $SCRATCH_MNT/* >& /dev/null
+
+_run_btrfs_util_prog filesystem sync $SCRATCH_MNT
+$BTRFS_UTIL_PROG qgroup show $SCRATCH_MNT | $SED_PROG -n '/[0-9]/p' \
+       | $AWK_PROG '{print $2" "$3}'
+
+status=0
+exit