273: add a copy and reserve test

This test is a stress test. It creates a set of threads for coping small files
into disk. I use a 2G disk for test, the ENOSPC arises usually but the disk is
not full under kenerl 3.0 with intel64.

Signed-off-by: Wu Bo <Wu.Bo@cn.fujitsu.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/273 b/273
new file mode 100755 (executable)
index 0000000..2965132
--- /dev/null
+++ b/273
@@ -0,0 +1,145 @@
+#! /bin/bash
+# FS QA Test No. 273
+#
+# reservation test with heavy cp workload
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2011-2012 Fujitsu, 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=wu.bo@cn.fujitsu.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=0       # success is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+       cd /
+       rm -rf $SCRATCH_MNT/* $tmp.*
+       _scratch_unmount
+}
+
+. ./common.rc
+. ./common.filter
+
+threads=50
+count=1
+
+_threads_set()
+{
+       _cpu_num=`cat /proc/cpuinfo | grep "processor" | wc -l`
+       threads=$(($_cpu_num * 50))
+       if [ $threads -gt 200 ]
+       then
+               threads=200
+       fi
+}
+
+_file_create()
+{
+       _i=0
+
+       if ! mkdir $SCRATCH_MNT/origin
+       then
+               echo "mkdir origin err"
+               status=1
+               exit
+       fi
+
+       cd $SCRATCH_MNT/origin
+
+       _disksize=`df --block-size=1 | grep $SCRATCH_DEV | awk '{print $2}'`
+       _disksize=$(($_disksize / 3))
+       _num=$(($_disksize / $count / $threads / 4096))
+       _count=$count
+       while [ $_i -lt $_num ]
+       do
+               dd if=/dev/zero of=file_$_i bs=4096 count=$_count >/dev/null 2>&1
+               _i=$(($_i + 1))
+       done
+
+       cd $here
+}
+
+_porter()
+{
+       _suffix=$1
+
+       if ! mkdir $SCRATCH_MNT/sub_$_suffix
+       then
+               echo "mkdir sub_xxx err"
+               status=1
+               exit
+       fi
+
+       cp -r $SCRATCH_MNT/origin $SCRATCH_MNT/sub_$_suffix >$seq.full 2>&1
+       if [ $? -ne 0 ]
+       then
+               echo "_porter $_suffix not complete"
+       fi
+       
+       sync
+}
+
+_do_workload()
+{
+       _pids=""
+       _pid=1
+       
+       rm -rf $SCRATCH_MNT/*
+
+       _threads_set
+       _file_create
+
+       _threads=$threads
+
+       while [ $_pid -lt $_threads ]
+       do
+               _porter $_pid &
+               _pids="$_pids $!"
+               _pid=$(($_pid + 1))
+       done
+
+       wait $_pids
+}
+
+# real QA test starts here
+_supported_fs generic
+_supported_os IRIX Linux
+_require_scratch
+
+echo "------------------------------"
+echo "start the workload"
+echo "------------------------------"
+
+rm -f $seq.full
+
+umount $SCRATCH_DEV 2>/dev/null
+_scratch_mkfs_sized $((2 * 1024 * 1024 * 1024)) >>$seq.full 2>&1
+_scratch_mount
+
+_do_workload
+
+_check_scratch_fs
+status=$?
+exit

diff --git a/273.out b/273.out
new file mode 100644 (file)
index 0000000..146af43
--- /dev/null
+++ b/273.out
@@ -0,0 +1,4 @@
+QA output created by 273
+------------------------------
+start the workload
+------------------------------

diff --git a/group b/group
index 79b8c8c6cc015120551ac4300d28d7ac5341175e..3243ff7c61b05f8ea062da74dcc2493d658f8d4c 100644 (file)
--- a/group
+++ b/group
@@ -386,3 +386,4 @@ deprecated
 270 auto quota rw prealloc ioctl enospc
 271 auto rw quick
 272 auto enospc rw
+273 auto rw