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[PATCH 1/2] xfstests 293: freeze/unfreeze file system randomly under fss

To: xfs@xxxxxxxxxxx
Subject: [PATCH 1/2] xfstests 293: freeze/unfreeze file system randomly under fsstress
From: Eryu Guan <eguan@xxxxxxxxxx>
Date: Fri, 11 Jan 2013 00:34:24 +0800
Cc: Eryu Guan <eguan@xxxxxxxxxx>
Run 1000 fsstress processes and freeze/unfreeze file system randomly.

Signed-off-by: Eryu Guan <eguan@xxxxxxxxxx>
---
 293     | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 293.out |  4 +++
 group   |  1 +
 3 files changed, 93 insertions(+)
 create mode 100755 293
 create mode 100644 293.out

diff --git a/293 b/293
new file mode 100755
index 0000000..a360e9c
--- /dev/null
+++ b/293
@@ -0,0 +1,88 @@
+#! /bin/bash
+# FS QA Test No. 293
+#
+# Test freeze/unfreeze file system randomly under fsstress
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2013 Red Hat, Inc.  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=eguan@xxxxxxxxxx
+
+seq=`basename $0`
+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 $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# real QA test starts here
+_supported_fs generic
+_supported_os IRIX Linux
+
+_require_scratch
+_require_freeze
+
+_scratch_unmount >/dev/null 2>&1
+_scratch_mkfs >/dev/null 2>&1
+_scratch_mount >/dev/null 2>&1
+
+TESTDIR="$SCRATCH_MNT/testdir"
+mkdir -p $TESTDIR
+rm -f $seq.full
+
+echo "Start fsstress" | tee -a $seq.full
+$FSSTRESS_PROG -d $TESTDIR -n 100 -p 1000 $FSSTRESS_AVOID >/dev/null 2>&1 &
+FSSTRESS_PID=$!
+sleep 1
+
+# Freeze/unfreeze file system randomly
+NR_FSSTRESS=`ps -eo ppid | grep -c $FSSTRESS_PID`
+echo "Start freeze/unfreeze randomly" | tee -a $seq.full
+while [ $NR_FSSTRESS -gt 0 ];do
+       TIMEOUT=`expr $RANDOM % 5`
+       sleep $TIMEOUT
+       echo "* Freeze file system after sleeping $TIMEOUT seconds" >>$seq.full
+       xfs_freeze -f $SCRATCH_MNT
+       if [ $? -ne 0 ];then
+               echo " - Error: freeze filesystem failed"
+       fi
+       TIMEOUT=`expr $RANDOM % 3`
+       sleep $TIMEOUT
+       echo "* Unfreeze file system after sleeping $TIMEOUT seconds" 
>>$seq.full
+       xfs_freeze -u $SCRATCH_MNT
+       if [ $? -ne 0 ];then
+               echo " - Error: unfreeze filesystem failed"
+       fi
+       NR_FSSTRESS=`ps -eo ppid | grep -c $FSSTRESS_PID`
+done
+echo "Test done" | tee -a $seq.full
+
+_check_scratch_fs
+status=0
+exit
diff --git a/293.out b/293.out
new file mode 100644
index 0000000..2a60ab7
--- /dev/null
+++ b/293.out
@@ -0,0 +1,4 @@
+QA output created by 293
+Start fsstress
+Start freeze/unfreeze randomly
+Test done
diff --git a/group b/group
index c32839b..f9c697a 100644
--- a/group
+++ b/group
@@ -411,3 +411,4 @@ deprecated
 290 auto rw prealloc quick ioctl
 291 repair
 292 auto mkfs quick
+293 auto freeze dangerous
-- 
1.7.11.7

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