From: Lachlan McIlroy <lachlan@sgi.com>
Date: Fri, 28 Sep 2007 16:06:31 +0000 (+0000)
Subject: Test to expose log replay bug.
X-Git-Tag: v1.1.0~440
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=da122030c52eb43bc6a85260875fab106f049ed2;p=xfstests-dev.git

Test to expose log replay bug.
Merge of master-melb:xfs-cmds:29801a by kenmcd.

  Test to expose log replay bug.
---

diff --git a/182 b/182
new file mode 100644
index 00000000..eae05c3e
--- /dev/null
+++ b/182
@@ -0,0 +1,99 @@
+#! /bin/sh
+# FSQA Test No. 182
+#
+# Test for NULL files problem
+# test inode size is on disk after sync - expose log replay bug
+#
+#-----------------------------------------------------------------------
+#  Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
+#-----------------------------------------------------------------------
+#
+# creator
+owner=lachlan@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()
+{
+    _cleanup_testdir
+}
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# real QA test starts here
+_supported_fs xfs
+_supported_os Linux IRIX
+
+_setup_testdir
+_require_scratch
+_scratch_mkfs_xfs >/dev/null 2>&1
+_scratch_mount
+
+_check_files()
+{
+	# check file size and contents
+	i=1;
+	while [ $i -lt 1000 ]
+	do
+		file=$SCRATCH_MNT/$i
+		# if file is missing then sync failed
+		if [ -e $file ]
+		then
+			# if file size is not 10MB then sync failed
+			if [ `stat -c %s $file` -eq 32768 ]
+			then
+				# if file has non-zero size but no extents then it's contents will be NULLs, bad.
+				if xfs_bmap $file | grep 'no extents' > /dev/null
+				then
+					echo corrupt file $file - non-zero size but no extents
+				else
+					rm -f $file
+				fi
+			else
+				echo file $file has incorrect size - sync failed
+			fi
+		else
+			echo file $file missing - sync failed
+		fi
+		i=`expr $i + 1`
+	done
+}
+
+# create files and sync them
+i=1;
+while [ $i -lt 1000 ]
+do
+	file=$SCRATCH_MNT/$i
+	xfs_io -f -c "pwrite -b 32k -S 0xff 0 32k" $file > /dev/null
+	if [ $? -ne 0 ]
+	then
+		echo error creating/writing file $file
+		exit
+	fi
+	i=`expr $i + 1`
+done
+
+# sync, then shutdown immediately after, then remount and test
+sync
+src/godown $SCRATCH_MNT
+umount $SCRATCH_MNT
+_scratch_mount
+umount $SCRATCH_MNT
+if [ ! _check_scratch_fs ]
+then
+	echo error detected in filesystem
+	exit
+fi
+_scratch_mount
+_check_files
+
+status=0
+exit
diff --git a/182.out b/182.out
new file mode 100644
index 00000000..5e665c89
--- /dev/null
+++ b/182.out
@@ -0,0 +1 @@
+QA output created by 182
diff --git a/group b/group
index 8b5bb0bc..6ed7069f 100644
--- a/group
+++ b/group
@@ -269,3 +269,4 @@ filestreams	dgc@sgi.com
 179 metadata rw auto
 180 metadata rw auto
 181 log auto
+182 metadata rw auto