Reduce call-id logging resource usage.

Since there is no need for the call-id logging ao2 object to have a lock,
don't create it with one.
........

Merged revisions 379232 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@379233 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/logger.c

@@ -1306,16 +1306,14 @@ void ast_callid_strnprint(char *buffer, size_t buffer_size, struct ast_callid *c
 struct ast_callid *ast_create_callid(void)
 {
 	struct ast_callid *call;
-	int using;
 
-	if (!(call = ao2_alloc(sizeof(struct ast_callid), NULL))) {
+	call = ao2_alloc_options(sizeof(struct ast_callid), NULL, AO2_ALLOC_OPT_LOCK_NOLOCK);
+	if (!call) {
 		ast_log(LOG_ERROR, "Could not allocate callid struct.\n");
 		return NULL;
 	}
 
-	using = ast_atomic_fetchadd_int(&next_unique_callid, +1);
-
-	call->call_identifier = using;
+	call->call_identifier = ast_atomic_fetchadd_int(&next_unique_callid, +1);
 	ast_debug(3, "CALL_ID [C-%08x] created by thread.\n", call->call_identifier);
 	return call;
 }