staging: lustre: fix bogus lst errors for lnet selftest

It should not be counted as errors if a test RPC
has been stopped due to administrative actions,
e.g. lst end_session from the remote test console.

Signed-off-by: Isaac Huang <he.huang@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4181
Reviewed-on: http://review.whamcloud.com/13279
Reviewed-by: Amir Shehata <amir.shehata@intel.com>
Reviewed-by: Liang Zhen <liang.zhen@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
index 5eb4232..60d38df 100644 (file)
--- a/drivers/staging/lustre/lnet/selftest/rpc.c
+++ b/drivers/staging/lustre/lnet/selftest/rpc.c
@@ -1427,9 +1427,16 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
        LASSERT(!in_interrupt());
 
        if (ev->status) {
+               __u32 errors;
+
                spin_lock(&srpc_data.rpc_glock);
-               srpc_data.rpc_counters.errors++;
+               if (ev->status != -ECANCELED) /* cancellation is not error */
+                       srpc_data.rpc_counters.errors++;
+               errors = srpc_data.rpc_counters.errors;
                spin_unlock(&srpc_data.rpc_glock);
+
+               CNETERR("LNet event status %d type %d, RPC errors %u\n",
+                       ev->status, ev->type, errors);
        }
 
        rpcev->ev_lnet = ev->type;