clone of test 031 using xfs_prepair instead of xfs_repair

Merge of master-melb:xfs-cmds:27794a by kenmcd.

  clone of test 031 using xfs_prepair instead of xfs_repair

149

@@ -0,0 +1,115 @@
+#! /bin/sh
+# FS QA Test No. 149
+#
+# Exercise xfs_prepair - ensure repeated use doesn't corrupt
+# This is a clone of test 031 using xfs_prepair instead of xfs_repair
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+#-----------------------------------------------------------------------
+#
+# creator
+owner=ddiss@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
+rm -f $seq.full
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.repair
+. ./common.filter
+
+[ -x $XFS_PARALLEL_REPAIR_PROG ] || _notrun "parallel repair binary xfs_prepair is not installed"
+
+# force use of parallel repair
+export XFS_REPAIR_PROG=$XFS_PARALLEL_REPAIR_PROG
+
+_check_repair()
+{
+	echo "Repairing, round 0" >> $seq.full
+	_scratch_xfs_repair 2>&1 | _filter_repair | tee -a $seq.full >$tmp.0
+	for i in 1 2 3 4
+	do
+		echo "Repairing, iteration $i" | tee -a $seq.full
+		_scratch_xfs_repair 2>&1 | _filter_repair >$tmp.$i
+		diff $tmp.0 $tmp.$i >> $seq.full
+		if [ $? -ne 0 ]; then
+			echo "ERROR: repair round $i differs to round 0 (see $seq.full)" | tee -a $seq.full
+			break
+		fi
+		# echo all interesting stuff...
+		perl -ne '
+			s/(rebuilding directory inode) (\d+)/\1 INO/g;
+			s/internal log/<TYPEOF> log/g;
+			s/external log on \S+/<TYPEOF> log/g;
+			/^\S+/ && print;
+		' $tmp.$i
+	done
+	echo
+}
+
+# prototype file to create various directory forms
+_create_proto()
+{
+	total=$1
+	count=0
+
+	# take inode size into account for non-shortform directories...
+	[ $total -gt 0 ] && total=`expr $total \* $isize / 512`
+
+	cat >$tmp.proto <<EOF
+DUMMY1
+0 0
+: root directory
+d--777 3 1
+lost+found d--755 3 1
+$
+EOF
+
+	while [ $count -lt $total ]
+	do
+		count=`expr $count + 1`
+		cat >>$tmp.proto <<EOF
+${count}_of_${total}_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ---755 3 1 /bin/true
+EOF
+	done
+	echo '$' >>$tmp.proto
+}
+
+# real QA test starts here
+_supported_fs xfs
+_supported_os IRIX Linux
+
+_require_nobigloopfs
+_require_scratch
+
+# sanity test - default + one root directory entry
+# Note: must do this proto/mkfs now for later inode size calcs
+_create_proto 0
+echo "=== one entry (shortform)"
+_scratch_mkfs_xfs -p $tmp.proto >$tmp.mkfs0 2>&1
+_filter_mkfs <$tmp.mkfs0 >/dev/null 2>$tmp.mkfs
+. $tmp.mkfs
+_check_repair
+
+# block-form root directory & repeat
+_create_proto 20
+echo "=== twenty entries (block form)"
+_scratch_mkfs_xfs -p $tmp.proto | _filter_mkfs >/dev/null 2>&1
+_check_repair
+
+# leaf-form root directory & repeat
+_create_proto 1000
+echo "=== thousand entries (leaf form)"
+_scratch_mkfs_xfs -p $tmp.proto | _filter_mkfs >/dev/null 2>&1
+_check_repair
+
+# success, all done
+status=0
+exit