Add test to check unreserve space hole is the same as what we requested.

Merge of master-melb:xfs-cmds:31945a by kenmcd.

  Add test to check unreserve space hole is the same as what we requested.

190

@@ -0,0 +1,87 @@
+#! /bin/sh
+# FSQA Test No. 190
+#
+# This test uses xfs_io to unreserve space in a file at various different
+# offsets and sizes. The script then verifies the holes are in the correct
+# location.
+#
+# PV 985792
+#-----------------------------------------------------------------------
+#  Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+#-----------------------------------------------------------------------
+#
+# creator
+owner=pleckie@sgi.com
+
+#This is the list of holes to punch in the file limited to $filesize
+#NOTE holes cannot overlap or this script will fail.
+holes="4096:4096 303104:4096 1048576:512 1051648:8192 1065984:8192 1085440:7168"
+#filesize in MB
+filesize=10
+#Name of file to perform the test on
+filename=test-190
+fsblocksize=4096
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=0    # success is the default!
+rm -f $seq.full
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# real QA test starts here
+_supported_fs xfs
+_supported_os Linux
+
+_require_scratch
+_scratch_mkfs_xfs >/dev/null 2>&1
+_scratch_mount
+
+
+dd if=/dev/zero of=$SCRATCH_MNT/$filename bs=1024k count=10 >> $seq.full 2>&1
+
+# run DMAPI test using verbose output
+echo Punching holes in file
+echo Punching holes in file >> $seq.full
+for i in $holes ; do
+	echo xfs_io -c "unresvsp `echo $i |$SED_PROG 's/:/ /g'`" $SCRATCH_MNT/$filename >> $seq.full
+	xfs_io -c "unresvsp `echo $i |$SED_PROG 's/:/ /g'`" $SCRATCH_MNT/$filename ;
+done
+
+echo Verifying holes are in the correct spots:
+
+xfs_bmap=`xfs_bmap $SCRATCH_MNT/$filename`
+xfs_bmap $SCRATCH_MNT/$filename >> $seq.full
+for i in $holes ; do
+	holeStart=$[`echo $i|$SED_PROG 's/:/ /g'|awk '{print $1}'`];
+	holeEnd=$[`echo $i|$SED_PROG 's/:/ /g'|awk '{print $2}'`];
+
+	#Round hole size down to a multiple of $fsblocksize
+	holeEnd=$[(($holeStart+$holeEnd)/$fsblocksize)*$fsblocksize]
+
+	#Round hole start up to a multiple of $fsblocksize
+	if [ $[$holeStart % $fsblocksize] -gt 0 ] ; then
+		holeStart=$[($holeStart/$fsblocksize +1) * $fsblocksize]
+	fi
+	#xfs_bmap prints holes in the following format
+	#                1: [8..15]: hole
+	bmap="\[$[$holeStart/512]..$[($holeEnd/512) -1]\]";
+	echo $bmap >> $seq.full
+	if [ $holeEnd == $holeStart ] ; then
+		continue #there is no hole
+	fi
+	if ! echo $xfs_bmap|grep -q $bmap; then
+		echo Offset $holeStart to $holeEnd  basic blocks failed;
+		status=1;
+	fi
+done
+if [ $status == 0 ] ; then
+	echo Test $seq Passed.
+fi
+
+exit

190.out

@@ -0,0 +1,4 @@
+QA output created by 190
+Punching holes in file
+Verifying holes are in the correct spots:
+Test 190 Passed.

group

@@ -283,3 +283,4 @@ mount		tes@sgi.com
 187 attr auto
 188 ci dir auto
 189 mount auto
+190 rw auto