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[PATCH v3 3/3] xfstests/btrfs: add stress test for btrfs quota operation

To: xfs@xxxxxxxxxxx
Subject: [PATCH v3 3/3] xfstests/btrfs: add stress test for btrfs quota operations
From: Wang Shilong <wangsl.fnst@xxxxxxxxxxxxxx>
Date: Tue, 11 Mar 2014 09:42:35 +0800
Cc: linux-btrfs@xxxxxxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
So this is a stress test for btrfs quota operations. it can also
detect the following commit fixed problem:

4082bd3d73(Btrfs: fix oops when writting dirty qgroups to disk)

Signed-off-by: Wang Shilong <wangsl.fnst@xxxxxxxxxxxxxx>
---
v2->v3:
        wait background thread finished before umounting.(Thanks to Josef)
v1->v2:
        switch into new helper _run_btrfs_util_prog().(Pointed by Dave Chinner)
---
 tests/btrfs/043     | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/btrfs/043.out |  2 ++
 tests/btrfs/group   |  1 +
 3 files changed, 80 insertions(+)
 create mode 100644 tests/btrfs/043
 create mode 100644 tests/btrfs/043.out

diff --git a/tests/btrfs/043 b/tests/btrfs/043
new file mode 100644
index 0000000..fe38e3e
--- /dev/null
+++ b/tests/btrfs/043
@@ -0,0 +1,77 @@
+#! /bin/bash
+# FS QA Test No. 043
+#
+# stresstest for btrfs quota operations. we run fsstress and quota
+# operations 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       # 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
+
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+
+rm -f $seqres.full
+
+_quota_enabled_background()
+{
+       i=1
+       while [ $i -le 5 ]
+       do
+               _run_btrfs_util_prog quota enable $SCRATCH_MNT
+               _run_btrfs_util_prog quota disable $SCRATCH_MNT
+               i=$(($i+1))
+               sleep 1
+       done
+}
+
+MKFS_SIZE=$((1024 * 1024 * 1024))
+run_check _scratch_mkfs_sized $MKFS_SIZE
+run_check _scratch_mount
+
+_quota_enabled_background &
+run_check $FSSTRESS_PROG -d $SCRATCH_MNT -w -p 5 -n 1000 \
+       $FSSTRESS_AVOID
+
+wait
+run_check _scratch_unmount
+_check_scratch_fs
+
+# success, all done
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/btrfs/043.out b/tests/btrfs/043.out
new file mode 100644
index 0000000..f90f0a5
--- /dev/null
+++ b/tests/btrfs/043.out
@@ -0,0 +1,2 @@
+QA output created by 043
+Silence is golden
diff --git a/tests/btrfs/group b/tests/btrfs/group
index 1037761..fabe3b5 100644
--- a/tests/btrfs/group
+++ b/tests/btrfs/group
@@ -45,3 +45,4 @@
 040 auto quick
 041 auto quick
 042 auto quick
+043 auto quick
-- 
1.9.0

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