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>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
index 5eb42327fb50..60d38df2327e 100644
--- 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;