ext4: don't online scrub ever

The ext4 online scrub program is no longer under active development,
so remove all the test code that tried to use it.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>

common/fuzzy

@@ -58,7 +58,7 @@ _scratch_fuzz_test() {
 # Do we have an online scrub program?
 _require_scrub() {
 	case "${FSTYP}" in
-	"xfs"|"ext4")
+	"xfs")
 		test -x "$XFS_SCRUB_PROG" || _notrun "xfs_scrub not found"
 		;;
 	*)
@@ -70,7 +70,7 @@ _require_scrub() {
 # Scrub the scratch filesystem metadata (online)
 _scratch_scrub() {
 	case "${FSTYP}" in
-	"xfs"|"ext4"|"ext3"|"ext2")
+	"xfs")
 		$XFS_SCRUB_PROG -d -T -v "$@" $SCRATCH_MNT
 		;;
 	*)

tests/ext4/023

@@ -1,7 +1,9 @@
 #! /bin/bash
 # FS QA Test No. 023
 #
-# Populate a ext4 filesystem and ensure that scrub and repair are happy.
+# Ensure that the populate helpers actually /can/ populate a ext4
+# filesystem with all types of metadata and create an image of the
+# metadata.  Check that fsck is happy with the resulting fs.
 #
 #-----------------------------------------------------------------------
 # Copyright (c) 2017 Oracle, Inc.  All Rights Reserved.
@@ -51,9 +53,8 @@ _require_scrub
 echo "Format and populate"
 _scratch_populate_cached > $seqres.full 2>&1
 
-echo "Scrub"
+echo "Mount"
 _scratch_mount >> $seqres.full 2>&1
-_scratch_scrub >> $seqres.full
 
 # success, all done
 status=0

tests/ext4/023.out

@@ -1,3 +1,3 @@
 QA output created by 023
 Format and populate
-Scrub
+Mount