qa: wait for kernel client death

After sending the reboot command, we need to wait briefly for it to be
rebooted so that the kernel client doesn't voluntarily give up its Fb
cap.

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>

diff --git a/qa/tasks/cephfs/test_client_recovery.py b/qa/tasks/cephfs/test_client_recovery.py
index e4c3ce60691cc06be629dc8adc1810b92cfb8059..7b305c5c3dac71922ed4e4a7087284c3de2ad79f 100644 (file)
--- a/qa/tasks/cephfs/test_client_recovery.py
+++ b/qa/tasks/cephfs/test_client_recovery.py
@@ -297,6 +297,9 @@ class TestClientRecovery(CephFSTestCase):
         # Simulate client death
         self.mount_a.kill()
 
+        # wait for it to die so it doesn't voluntarily release buffer cap
+        time.sleep(5)
+
         try:
             # The waiter should get stuck waiting for the capability
             # held on the MDS by the now-dead client A