staging/lustre/ptlrpc: Remove log message about export timer update

Function ptlrpc_update_export_timer generates lots of D_HA level log
messages whenever the export timer gets updated. Those log messages
are found little use for issue investigations, and it will take space
in the Lustre log buffer. We are removing it now.

Xyratex-bug-id: MRP-733
Signed-off-by: Cheng Shao <cheng_shao@xyratex.com>
Reviewed-on: http://review.whamcloud.com/9147
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4590
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/lustre/lustre/ptlrpc/service.c b/drivers/staging/lustre/lustre/ptlrpc/service.c
index 192adec..5873c03 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/service.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/service.c
@@ -1042,9 +1042,6 @@
 		return;
 
 	exp->exp_last_request_time = new_time;
-	CDEBUG(D_HA, "updating export %s at "CFS_TIME_T" exp %p\n",
-	       exp->exp_client_uuid.uuid,
-	       exp->exp_last_request_time, exp);
 
 	/* exports may get disconnected from the chain even though the
 	   export has references, so we must keep the spin lock while