[v3,14/29] SUNRPC: Ensure to ratelimit the "server not responding" syslog messages
diff mbox series

Message ID 20190407175912.23528-15-trond.myklebust@hammerspace.com
State New
Headers show
Series
  • Fix up soft mounts for NFSv4.x
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Commit Message

Trond Myklebust April 7, 2019, 5:58 p.m. UTC
In particular, the timeout messages can be very noisy, so we ought to
ratelimit them in order to avoid spamming the syslog.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 net/sunrpc/clnt.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

Patch
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diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index c921a5aff790..c0b79d307579 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2354,7 +2354,8 @@  rpc_check_timeout(struct rpc_task *task)
 			return;
 
 		if (clnt->cl_chatty) {
-			printk(KERN_NOTICE "%s: server %s not responding, timed out\n",
+			pr_notice_ratelimited(
+				"%s: server %s not responding, timed out\n",
 				clnt->cl_program->name,
 				task->tk_xprt->servername);
 		}
@@ -2368,9 +2369,10 @@  rpc_check_timeout(struct rpc_task *task)
 	if (!(task->tk_flags & RPC_CALL_MAJORSEEN)) {
 		task->tk_flags |= RPC_CALL_MAJORSEEN;
 		if (clnt->cl_chatty) {
-			printk(KERN_NOTICE "%s: server %s not responding, still trying\n",
-			clnt->cl_program->name,
-			task->tk_xprt->servername);
+			pr_notice_ratelimited(
+				"%s: server %s not responding, still trying\n",
+				clnt->cl_program->name,
+				task->tk_xprt->servername);
 		}
 	}
 	rpc_force_rebind(clnt);
@@ -2400,7 +2402,7 @@  call_decode(struct rpc_task *task)
 
 	if (task->tk_flags & RPC_CALL_MAJORSEEN) {
 		if (clnt->cl_chatty) {
-			printk(KERN_NOTICE "%s: server %s OK\n",
+			pr_notice_ratelimited("%s: server %s OK\n",
 				clnt->cl_program->name,
 				task->tk_xprt->servername);
 		}