Commit f7db89ac authored by Jan Kara's avatar Jan Kara
Browse files

fsnotify: Create function to remove event from notification list 



Create function to remove event from the notification list. Later it will
be used from more places.

Reviewed-by: default avatarAmir Goldstein <amir73il@gmail.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 8c554466

fs/notify/notification.c

+13 −7
Original line number Diff line number Diff line
@@ -141,6 +141,18 @@ int fsnotify_add_event(struct fsnotify_group *group, 
	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;

}

include/linux/fsnotify_backend.h

+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 */