Cross Reference: /net/batman-adv/debugfs.c

Lines Matching refs:debug_log
41 static char *batadv_log_char_addr(struct batadv_priv_debug_log *debug_log,
44 	return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK];
47 static void batadv_emit_log_char(struct batadv_priv_debug_log *debug_log,
52 	char_addr = batadv_log_char_addr(debug_log, debug_log->log_end);
54 	debug_log->log_end++;
56 	if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len)
57 		debug_log->log_start = debug_log->log_end - batadv_log_buff_len;
61 static int batadv_fdebug_log(struct batadv_priv_debug_log *debug_log,
68 	if (!debug_log)
71 	spin_lock_bh(&debug_log->lock);
77 		batadv_emit_log_char(debug_log, *p);
79 	spin_unlock_bh(&debug_log->lock);
81 	wake_up(&debug_log->queue_wait);
93 	batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s",
116 static int batadv_log_empty(struct batadv_priv_debug_log *debug_log)
118 	return !(debug_log->log_start - debug_log->log_end);
125 	struct batadv_priv_debug_log *debug_log = bat_priv->debug_log;
130 	if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log))
142 	error = wait_event_interruptible(debug_log->queue_wait,
143 					 (!batadv_log_empty(debug_log)));
148 	spin_lock_bh(&debug_log->lock);
151 	       (debug_log->log_start != debug_log->log_end)) {
152 		char_addr = batadv_log_char_addr(debug_log,
153 						 debug_log->log_start);
156 		debug_log->log_start++;
158 		spin_unlock_bh(&debug_log->lock);
162 		spin_lock_bh(&debug_log->lock);
168 	spin_unlock_bh(&debug_log->lock);
179 	struct batadv_priv_debug_log *debug_log = bat_priv->debug_log;
181 	poll_wait(file, &debug_log->queue_wait, wait);
183 	if (!batadv_log_empty(debug_log))
204 	bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
205 	if (!bat_priv->debug_log)
208 	spin_lock_init(&bat_priv->debug_log->lock);
209 	init_waitqueue_head(&bat_priv->debug_log->queue_wait);
225 	kfree(bat_priv->debug_log);
226 	bat_priv->debug_log = NULL;