diff --git a/common/filter b/common/filter
index 24fd0650..7c71be4f 100644
--- a/common/filter
+++ b/common/filter
@@ -115,59 +115,6 @@ _filter_date()
 	-e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z]  *[0-9][0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
 }
 
-# prints filtered output on stdout, values (use eval) on stderr
-# Non XFS filesystems always return a 4k block size and a 256 byte inode.
-_xfs_filter_mkfs()
-{
-    case $FSTYP in
-    xfs)
-	;;
-    *)
-	cat - >/dev/null
-	perl -e 'print STDERR "dbsize=4096\nisize=256\n"'
-	return ;;
-    esac
-
-    echo "_fs_has_crcs=0" >&2
-    set -
-    perl -ne '
-    if (/^meta-data=([\w,|\/.-]+)\s+isize=(\d+)\s+agcount=(\d+), agsize=(\d+) blks/) {
-	print STDERR "ddev=$1\nisize=$2\nagcount=$3\nagsize=$4\n";
-	print STDOUT "meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks\n";
-    }
-    if (/^\s+=\s+sectsz=(\d+)\s+attr=(\d+)/) {
-        print STDERR "sectsz=$1\nattr=$2\n";
-    }
-    if (/^\s+=\s+crc=(\d)/) {
-        print STDERR "_fs_has_crcs=$1\n";
-    }
-    if (/^data\s+=\s+bsize=(\d+)\s+blocks=(\d+), imaxpct=(\d+)/) {
-	print STDERR "dbsize=$1\ndblocks=$2\nimaxpct=$3\n";
-	print STDOUT "data     = bsize=XXX blocks=XXX, imaxpct=PCT\n";
-    }
-    if (/^\s+=\s+sunit=(\d+)\s+swidth=(\d+) blks/) {
-        print STDERR "sunit=$1\nswidth=$2\nunwritten=1\n";
-	print STDOUT "         = sunit=XXX swidth=XXX, unwritten=X\n";
-    }
-    if (/^naming\s+=version\s+(\d+)\s+bsize=(\d+)/) {
-	print STDERR "dirversion=$1\ndirbsize=$2\n";
-	print STDOUT "naming   =VERN bsize=XXX\n";
-    }
-    if (/^log\s+=(internal log|[\w|\/.-]+)\s+bsize=(\d+)\s+blocks=(\d+),\s+version=(\d+)/ ||
-	/^log\s+=(internal log|[\w|\/.-]+)\s+bsize=(\d+)\s+blocks=(\d+)/) {
-	print STDERR "ldev=\"$1\"\nlbsize=$2\nlblocks=$3\nlversion=$4\n";
-	print STDOUT "log      =LDEV bsize=XXX blocks=XXX\n";
-    }
-    if (/^\s+=\s+sectsz=(\d+)\s+sunit=(\d+) blks/) {
-	print STDERR "logsectsz=$1\nlogsunit=$2\n\n";
-    }
-    if (/^realtime\s+=([\w|\/.-]+)\s+extsz=(\d+)\s+blocks=(\d+), rtextents=(\d+)/) {
-	print STDERR "rtdev=$1\nrtextsz=$2\nrtblocks=$3\nrtextents=$4\n";
-	print STDOUT "realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX\n";
-    }'
-}
-
-
 # prints the bits we care about in growfs
 # 
 _filter_growfs()
diff --git a/common/xfs b/common/xfs
index 3435c706..a3da25dd 100644
--- a/common/xfs
+++ b/common/xfs
@@ -1275,3 +1275,46 @@ _require_scratch_xfs_bigtime()
 		_notrun "bigtime feature not advertised on mount?"
 	_scratch_unmount
 }
+
+# prints filtered output on stdout, values (use eval) on stderr
+# Non XFS filesystems always return a 4k block size and a 256 byte inode.
+_xfs_filter_mkfs()
+{
+    echo "_fs_has_crcs=0" >&2
+    set -
+    perl -ne '
+    if (/^meta-data=([\w,|\/.-]+)\s+isize=(\d+)\s+agcount=(\d+), agsize=(\d+) blks/) {
+	print STDERR "ddev=$1\nisize=$2\nagcount=$3\nagsize=$4\n";
+	print STDOUT "meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks\n";
+    }
+    if (/^\s+=\s+sectsz=(\d+)\s+attr=(\d+)/) {
+        print STDERR "sectsz=$1\nattr=$2\n";
+    }
+    if (/^\s+=\s+crc=(\d)/) {
+        print STDERR "_fs_has_crcs=$1\n";
+    }
+    if (/^data\s+=\s+bsize=(\d+)\s+blocks=(\d+), imaxpct=(\d+)/) {
+	print STDERR "dbsize=$1\ndblocks=$2\nimaxpct=$3\n";
+	print STDOUT "data     = bsize=XXX blocks=XXX, imaxpct=PCT\n";
+    }
+    if (/^\s+=\s+sunit=(\d+)\s+swidth=(\d+) blks/) {
+        print STDERR "sunit=$1\nswidth=$2\nunwritten=1\n";
+	print STDOUT "         = sunit=XXX swidth=XXX, unwritten=X\n";
+    }
+    if (/^naming\s+=version\s+(\d+)\s+bsize=(\d+)/) {
+	print STDERR "dirversion=$1\ndirbsize=$2\n";
+	print STDOUT "naming   =VERN bsize=XXX\n";
+    }
+    if (/^log\s+=(internal log|[\w|\/.-]+)\s+bsize=(\d+)\s+blocks=(\d+),\s+version=(\d+)/ ||
+	/^log\s+=(internal log|[\w|\/.-]+)\s+bsize=(\d+)\s+blocks=(\d+)/) {
+	print STDERR "ldev=\"$1\"\nlbsize=$2\nlblocks=$3\nlversion=$4\n";
+	print STDOUT "log      =LDEV bsize=XXX blocks=XXX\n";
+    }
+    if (/^\s+=\s+sectsz=(\d+)\s+sunit=(\d+) blks/) {
+	print STDERR "logsectsz=$1\nlogsunit=$2\n\n";
+    }
+    if (/^realtime\s+=([\w|\/.-]+)\s+extsz=(\d+)\s+blocks=(\d+), rtextents=(\d+)/) {
+	print STDERR "rtdev=$1\nrtextsz=$2\nrtblocks=$3\nrtextents=$4\n";
+	print STDOUT "realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX\n";
+    }'
+}
