LU-10835 tests: unload dm-flakey module

In test-framework.sh, dm-flakey module is loaded in dm_flakey_supported()
but it's not unloaded anywhere. This patch unloads it in dm_cleanup_dev().

Test-Parameters: trivial

Change-Id: Ie40b8bc1a36a7a271cb333b81965fbe136268db1
Signed-off-by: Jian Yu <jian.yu@intel.com>
Reviewed-on: https://review.whamcloud.com/31739
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>

diff --git a/lustre/tests/test-framework.sh b/lustre/tests/test-framework.sh
index d82f4bd..693185d 100755 (executable)
--- a/lustre/tests/test-framework.sh
+++ b/lustre/tests/test-framework.sh
@@ -1830,6 +1830,9 @@ dm_cleanup_dev() {
 
        # detach a loop device
        [[ $major -ne 7 ]] || cleanup_loop_device $facet /dev/loop$minor
+
+       # unload dm-flakey module
+       do_facet $facet "modprobe -r dm-flakey" || true
 }
 
 mount_facet() {