fs: dlm: add dlm macros for ratelimit log

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@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>

diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 04fe9f5..ae3fdf6 100644 (file)
--- 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 166e36f..1581070 100644 (file)
--- 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);