[Cluster-devel] cluster/group/gfs_controld cpg.c

[teigland@sourceware.org <teigland@sourceware.org>]

CVSROOT:	/cvs/cluster
Module name:	cluster
Branch: 	RHEL5
Changes by:	teigland at sourceware.org	2006-11-30 19:49:36

Modified files:
	group/gfs_controld: cpg.c 

Log message:
	From: Steven Dake
	We dispatch in the dispatch handler now instead of saving the
	data.  Also we use dispatch all which will basically try to dispatch all
	messages possible in one go instead of only dispatching on each loop
	through poll.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/group/gfs_controld/cpg.c.diff?cvsroot=cluster&only_with_tag=RHEL5&r1=1.9.2.1&r2=1.9.2.2

--- cluster/group/gfs_controld/cpg.c	2006/11/20 21:10:28	1.9.2.1
+++ cluster/group/gfs_controld/cpg.c	2006/11/30 19:49:36	1.9.2.2
@@ -15,10 +15,6 @@
 
 static cpg_handle_t	daemon_handle;
 static struct cpg_name	daemon_name;
-static int		got_msg;
-static int		saved_nodeid;
-static int		saved_len;
-static char		saved_data[MAX_MSGLEN];
 int			message_flow_control_on;
 
 void receive_journals(struct mountgroup *mg, char *buf, int len, int from);
@@ -113,10 +109,7 @@
 void deliver_cb(cpg_handle_t handle, struct cpg_name *group_name,
 		uint32_t nodeid, uint32_t pid, void *data, int data_len)
 {
-	saved_nodeid = nodeid;
-	saved_len = data_len;
-	memcpy(saved_data, data, data_len);
-	got_msg = 1;
+	do_deliver(nodeid, data, data_len);
 }
 
 void confchg_cb(cpg_handle_t handle, struct cpg_name *group_name,
@@ -143,11 +136,14 @@
 	}
 
 	if (flow_control_state == CPG_FLOW_CONTROL_ENABLED) {
+		if (message_flow_control_on == 0) {
+			log_debug("flow control on");
+		}
 		message_flow_control_on = 1;
-		log_debug("flow control on");
 	} else {
-		if (message_flow_control_on)
+		if (message_flow_control_on) {
 			log_debug("flow control off");
+		}
 		message_flow_control_on = 0;
 	}
 }
@@ -156,20 +152,12 @@
 {
 	cpg_error_t error;
 
-	got_msg = 0;
-	saved_len = 0;
-	saved_nodeid = 0;
-	memset(saved_data, 0, sizeof(saved_data));
-
-	error = cpg_dispatch(daemon_handle, CPG_DISPATCH_ONE);
+	error = cpg_dispatch(daemon_handle, CPG_DISPATCH_ALL);
 	if (error != CPG_OK) {
 		log_error("cpg_dispatch error %d", error);
 		return -1;
 	}
 
-	if (got_msg)
-		do_deliver(saved_nodeid, saved_data, saved_len);
-
 	update_flow_control_status();
 
 	return 0;