/* Overflow events are per-group and we don't want to free them */
if (!event || event->mask == FS_Q_OVERFLOW)
return;
-
+ /* If the event is still queued, we have a problem... */
+ WARN_ON(!list_empty(&event->list));
group->ops->free_event(event);
}
* added to the queue, 1 if the event was merged with some other queued event,
* 2 if the queue of events has overflown.
*/
-int fsnotify_add_notify_event(struct fsnotify_group *group,
- struct fsnotify_event *event,
- int (*merge)(struct list_head *,
- struct fsnotify_event *))
+int fsnotify_add_event(struct fsnotify_group *group,
+ struct fsnotify_event *event,
+ int (*merge)(struct list_head *,
+ struct fsnotify_event *))
{
int ret = 0;
struct list_head *list = &group->notification_list;
return ret;
}
+/*
+ * Remove @event from group's notification queue. It is the responsibility of
+ * the caller to destroy the event.
+ */
+void fsnotify_remove_event(struct fsnotify_group *group,
+ struct fsnotify_event *event)
+{
+ mutex_lock(&group->notification_mutex);
+ if (!list_empty(&event->list)) {
+ list_del_init(&event->list);
+ group->q_len--;
+ }
+ mutex_unlock(&group->notification_mutex);
+}
+
/*
* Remove and return the first event from the notification list. It is the
* responsibility of the caller to destroy the obtained event
*/
-struct fsnotify_event *fsnotify_remove_notify_event(struct fsnotify_group *group)
+struct fsnotify_event *fsnotify_remove_first_event(struct fsnotify_group *group)
{
struct fsnotify_event *event;
struct fsnotify_event, list);
/*
* We need to init list head for the case of overflow event so that
- * check in fsnotify_add_notify_events() works
+ * check in fsnotify_add_event() works
*/
list_del_init(&event->list);
group->q_len--;
}
/*
- * This will not remove the event, that must be done with fsnotify_remove_notify_event()
+ * This will not remove the event, that must be done with
+ * fsnotify_remove_first_event()
*/
-struct fsnotify_event *fsnotify_peek_notify_event(struct fsnotify_group *group)
+struct fsnotify_event *fsnotify_peek_first_event(struct fsnotify_group *group)
{
BUG_ON(!mutex_is_locked(&group->notification_mutex));
mutex_lock(&group->notification_mutex);
while (!fsnotify_notify_queue_is_empty(group)) {
- event = fsnotify_remove_notify_event(group);
+ event = fsnotify_remove_first_event(group);
fsnotify_destroy_event(group, event);
}
mutex_unlock(&group->notification_mutex);