[Cluster-devel] [PATCHv6 v5.13-rc1 dlm/next 02/16] fs: dlm: add dlm macros for ratelimit log

[Alexander Aring]

This patch add ratelimit macro to dlm subsystem and will set the
connecting log message to ratelimit. In non blocking connecting cases it
will print out this message a lot.

Signed-off-by: Alexander Aring <aahringo at redhat.com>
---
 fs/dlm/dlm_internal.h | 2 ++
 fs/dlm/lowcomms.c     | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 04fe9f525ac7..ae3fdf6d9cda 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -60,6 +60,8 @@ struct dlm_mhandle;
 
 #define log_print(fmt, args...) \
 	printk(KERN_ERR "dlm: "fmt"\n" , ##args)
+#define log_print_ratelimited(fmt, args...) \
+	printk_ratelimited(KERN_ERR "dlm: "fmt"\n", ##args)
 #define log_error(ls, fmt, args...) \
 	printk(KERN_ERR "dlm: %s: " fmt "\n", (ls)->ls_name , ##args)
 
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 166e36fcf3e4..15810701b13e 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1075,7 +1075,7 @@ static void sctp_connect_to_sock(struct connection *con)
 
 	make_sockaddr(&daddr, dlm_config.ci_tcp_port, &addr_len);
 
-	log_print("connecting to %d", con->nodeid);
+	log_print_ratelimited("connecting to %d", con->nodeid);
 
 	/* Turn off Nagle's algorithm */
 	sctp_sock_set_nodelay(sock->sk);
@@ -1171,7 +1171,7 @@ static void tcp_connect_to_sock(struct connection *con)
 
 	make_sockaddr(&saddr, dlm_config.ci_tcp_port, &addr_len);
 
-	log_print("connecting to %d", con->nodeid);
+	log_print_ratelimited("connecting to %d", con->nodeid);
 
 	/* Turn off Nagle's algorithm */
 	tcp_sock_set_nodelay(sock->sk);
-- 
2.26.3