[PATCH] fstests: delete btrfs/064 it makes no sense

[Anand Jain <anand.jain@oracle.com>]

btrfs/064 aimed to test balance and replace concurrency while the stress
test is running in the background.

However, as the balance and the replace operation are mutually
exclusive, so they can never run concurrently.

So long this test case is showed successful because the btrfs replace's
return error was captured only into seqfull.out.

 ERROR: ioctl(DEV_REPLACE_START) '/mnt/scratch': add/delete/balance/replace/resize operation in progress

Reported-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 tests/btrfs/064     | 105 --------------------------------------------
 tests/btrfs/064.out |   2 -
 2 files changed, 107 deletions(-)
 delete mode 100755 tests/btrfs/064
 delete mode 100644 tests/btrfs/064.out

diff --git a/tests/btrfs/064 b/tests/btrfs/064
deleted file mode 100755
index 683a69f113bf..000000000000
--- a/tests/btrfs/064
+++ /dev/null
@@ -1,105 +0,0 @@
-#! /bin/bash
-# SPDX-License-Identifier: GPL-2.0
-# Copyright (C) 2014 Red Hat Inc. All rights reserved.
-#
-# FSQA Test No. btrfs/064
-#
-# Run btrfs balance and replace operations simultaneously with fsstress
-# running in background.
-#
-seq=`basename $0`
-seqres=$RESULT_DIR/$seq
-echo "QA output created by $seq"
-
-here=`pwd`
-tmp=/tmp/$$
-status=1
-trap "_cleanup; exit \$status" 0 1 2 3 15
-
-_cleanup()
-{
-	cd /
-	rm -f $tmp.*
-}
-
-# get standard environment, filters and checks
-. ./common/rc
-. ./common/filter
-
-# real QA test starts here
-_supported_fs btrfs
-# we check scratch dev after each loop
-_require_scratch_nocheck
-_require_scratch_dev_pool 5
-_require_scratch_dev_pool_equal_size
-_btrfs_get_profile_configs replace
-
-rm -f $seqres.full
-
-run_test()
-{
-	local mkfs_opts=$1
-	local saved_scratch_dev_pool=$SCRATCH_DEV_POOL
-
-	echo "Test $mkfs_opts" >>$seqres.full
-
-	# remove the last device from the SCRATCH_DEV_POOL list so
-	# _scratch_pool_mkfs won't use all devices in pool
-	local last_dev="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $NF}'`"
-	SCRATCH_DEV_POOL=`echo $SCRATCH_DEV_POOL | sed -e "s# *$last_dev *##"`
-	_scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1
-	# make sure we created btrfs with desired options
-	if [ $? -ne 0 ]; then
-		echo "mkfs $mkfs_opts failed"
-		SCRATCH_DEV_POOL=$saved_scratch_dev_pool
-		return
-	fi
-	_scratch_mount >>$seqres.full 2>&1
-	SCRATCH_DEV_POOL=$saved_scratch_dev_pool
-
-	args=`_scale_fsstress_args -p 20 -n 100 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
-	echo "Run fsstress $args" >>$seqres.full
-	$FSSTRESS_PROG $args >/dev/null 2>&1 &
-	fsstress_pid=$!
-
-	echo -n "Start balance worker: " >>$seqres.full
-	_btrfs_stress_balance $SCRATCH_MNT >/dev/null 2>&1 &
-	balance_pid=$!
-	echo "$balance_pid" >>$seqres.full
-
-	echo -n "Start replace worker: " >>$seqres.full
-	_btrfs_stress_replace $SCRATCH_MNT >>$seqres.full 2>&1 &
-	replace_pid=$!
-	echo "$replace_pid" >>$seqres.full
-
-	echo "Wait for fsstress to exit and kill all background workers" >>$seqres.full
-	wait $fsstress_pid
-	kill $balance_pid $replace_pid
-	wait
-	# wait for the balance and replace operations to finish
-	while ps aux | grep "balance start" | grep -qv grep; do
-		sleep 1
-	done
-	while ps aux | grep "replace start" | grep -qv grep; do
-		sleep 1
-	done
-
-	echo "Scrub the filesystem" >>$seqres.full
-	$BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1
-	if [ $? -ne 0 ]; then
-		echo "Scrub find errors in \"$mkfs_opts\" test" | tee -a $seqres.full
-	fi
-
-	_scratch_unmount
-	# we called _require_scratch_nocheck instead of _require_scratch
-	# do check after test for each profile config
-	_check_scratch_fs
-}
-
-echo "Silence is golden"
-for t in "${_btrfs_profile_configs[@]}"; do
-	run_test "$t"
-done
-
-status=0
-exit
diff --git a/tests/btrfs/064.out b/tests/btrfs/064.out
deleted file mode 100644
index d90765460090..000000000000
--- a/tests/btrfs/064.out
+++ /dev/null
@@ -1,2 +0,0 @@
-QA output created by 064
-Silence is golden
-- 
2.25.1