A QA test to reproduce the xfs_trans_brelse() in quota bug.

Merge of master-melb:xfs-cmds:23589a by kenmcd.

  A QA test to reproduce the xfs_trans_brelse() in quota bug.

118

@@ -0,0 +1,106 @@
+#! /bin/sh
+# FS QA Test No. 118
+#
+# To test out pv#940675 crash in xfs_trans_brelse + quotas
+# Without the fix, this will create an ASSERT failure in debug kernels
+# and crash a non-debug kernel.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2000-2005 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=tes@crackle.melbourne.sgi.com
+
+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
+
+# Modify as appropriate.
+_supported_fs xfs
+_supported_os IRIX Linux
+
+_require_scratch
+
+_chowning_file()
+{
+	file=file.chown
+	let start=$1
+	let limit=$2
+	let delta=$3
+
+	cd $SCRATCH_MNT
+	let count=$start
+	while (( count < limit )); do
+	    touch $file
+	    chown $count.$count $file
+	    echo -n "."
+	    let count=count+delta
+	done
+	echo ""
+}
+
+
+echo "mkfs on scratch"
+_scratch_mkfs_xfs >$seq.full
+
+echo "mount with quotas"
+export MOUNT_OPTIONS="-o uquota"
+_scratch_mount
+
+echo "creating quota file with holes"
+_chowning_file 1000 2000 100
+
+echo "now fill in the holes"
+_chowning_file 1000 2000 1
+
+echo "look at the final file ownership for fun"
+stat -ug $SCRATCH_MNT/* | sed "s#$SCRATCH_MNT#SCRATCH_MNT#g"
+
+# success, all done
+status=0
+exit