Test for detecting unwritten extent related corruption reading+writing under swap.

084

@@ -0,0 +1,81 @@
+#! /bin/sh
+# XFS QA Test No. 084
+#
+# Exercises unwritten extent reads and writes, looking
+# for data corruption (zeroes read) near the end of file.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
+# 
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of version 2 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.
+# 
+# Further, this software is distributed without any warranty that it is
+# free of the rightful claim of any third person regarding infringement
+# or the like.  Any license provided herein, whether implied or
+# otherwise, applies only to this software file.  Patent licenses, if
+# any, provided herein do not apply to combinations of this program with
+# other software, or any other product whatsoever.
+# 
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write the Free Software Foundation, Inc., 59
+# Temple Place - Suite 330, Boston MA 02111-1307, USA.
+# 
+# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+# Mountain View, CA  94043, or:
+# 
+# http://www.sgi.com 
+# 
+# For further information regarding this notice, see: 
+# 
+# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+#-----------------------------------------------------------------------
+#
+# creator
+owner=nathans@sgi.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_filter_resv()
+{
+	sed -e "s,$TEST_DIR/resv,[TESTFILE],g"
+}
+
+pgsize=`$here/src/feature -p`
+
+# -i == number of iterations
+# -l == bytes to leak on each iteration
+# -b == read/write block size
+# -s == preallocation size
+
+# real QA test starts here
+echo
+echo "*** First case - I/O blocksize same as pagesize"
+$here/src/resvtest -i 20 -b $pgsize "$TEST_DIR/resv" | _filter_resv
+[ $? -eq 0 ] && echo done
+rm -f "$TEST_DIR/mumble"
+
+echo
+echo "*** Second case - 512 byte I/O blocksize"
+$here/src/resvtest -i 40 -b 512 "$TEST_DIR/resv" | _filter_resv
+[ $? -eq 0 ] && echo done
+rm -f "$TEST_DIR/grumble"
+
+# success, all done
+status=0
+exit