[PATCH blktests] block/008: fix cpu online restore

[Yi Zhang <yi.zhang@redhat.com>]

The offline cpus cannot be restored during _cleanup when only _offline_cpu
executed, fix it by reset RESTORE_CPUS_ONLINE=1 during test.

Fixes: bd6b882 ("block/008: check CPU offline failure due to many IRQs")
Signed-off-by: Yi Zhang <yi.zhang@redhat.com>
---
 tests/block/008 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/block/008 b/tests/block/008
index 75aae65..f61f33a 100755
--- a/tests/block/008
+++ b/tests/block/008
@@ -91,6 +91,11 @@ test_device() {
 		fi
 	done
 
+	# The RESTORE_CPUS_ONLINE setting was ignored with previous
+	# err=$(_offline_cpu "${online_cpus[$idx]}" when only _offline_cpu
+	# executed, reset it here then the offline cpus can be retored
+	# shellcheck disable=SC2034
+	RESTORE_CPUS_ONLINE=1
 	FIO_PERF_FIELDS=("read iops")
 	_fio_perf_report
 
-- 
2.34.1