fsnotify: Create function to remove event from notification list (f7db89ac) · Commits · 戴 / test

fs/notify/notification.c

+13 −7

Original line number	Diff line number	Diff line
		@@ -141,6 +141,18 @@ queue:
		return ret;
		}

		void fsnotify_remove_queued_event(struct fsnotify_group *group,
		struct fsnotify_event *event)
		{
		assert_spin_locked(&group->notification_lock);
		/*
		* We need to init list head for the case of overflow event so that
		* check in fsnotify_add_event() works
		*/
		list_del_init(&event->list);
		group->q_len--;
		}

		/*
		* Remove and return the first event from the notification list. It is the
		* responsibility of the caller to destroy the obtained event
		@@ -155,13 +167,7 @@ struct fsnotify_event fsnotify_remove_first_event(struct fsnotify_group group)

		event = list_first_entry(&group->notification_list,
		struct fsnotify_event, list);
		/*
		* We need to init list head for the case of overflow event so that
		* check in fsnotify_add_event() works
		*/
		list_del_init(&event->list);
		group->q_len--;

		fsnotify_remove_queued_event(group, event);
		return event;
		}

+3 −0

Original line number	Diff line number	Diff line
		@@ -422,6 +422,9 @@ extern bool fsnotify_notify_queue_is_empty(struct fsnotify_group *group);
		extern struct fsnotify_event fsnotify_peek_first_event(struct fsnotify_group group);
		/* return AND dequeue the first event on the notification queue */
		extern struct fsnotify_event fsnotify_remove_first_event(struct fsnotify_group group);
		/* Remove event queued in the notification list */
		extern void fsnotify_remove_queued_event(struct fsnotify_group *group,
		struct fsnotify_event *event);

		/* functions used to manipulate the marks attached to inodes */