34 static void fsnotify_final_destroy_group(struct fsnotify_group *group)  in fsnotify_final_destroy_group()  argument
36 	if (group->ops->free_group_priv)  in fsnotify_final_destroy_group()
37 		group->ops->free_group_priv(group);  in fsnotify_final_destroy_group()
39 	kfree(group);  in fsnotify_final_destroy_group()
48 void fsnotify_destroy_group(struct fsnotify_group *group)  in fsnotify_destroy_group()  argument
51 	fsnotify_clear_marks_by_group(group);  in fsnotify_destroy_group()
56 	fsnotify_flush_notify(group);  in fsnotify_destroy_group()
62 	if (group->overflow_event)  in fsnotify_destroy_group()
63 		group->ops->free_event(group->overflow_event);  in fsnotify_destroy_group()
65 	fsnotify_put_group(group);  in fsnotify_destroy_group()
71 void fsnotify_get_group(struct fsnotify_group *group)  in fsnotify_get_group()  argument
73 	atomic_inc(&group->refcnt);  in fsnotify_get_group()
79 void fsnotify_put_group(struct fsnotify_group *group)  in fsnotify_put_group()  argument
81 	if (atomic_dec_and_test(&group->refcnt))  in fsnotify_put_group()
82 		fsnotify_final_destroy_group(group);  in fsnotify_put_group()
90 	struct fsnotify_group *group;  in fsnotify_alloc_group()  local
92 	group = kzalloc(sizeof(struct fsnotify_group), GFP_KERNEL);  in fsnotify_alloc_group()
93 	if (!group)  in fsnotify_alloc_group()
97 	atomic_set(&group->refcnt, 1);  in fsnotify_alloc_group()
98 	atomic_set(&group->num_marks, 0);  in fsnotify_alloc_group()
100 	mutex_init(&group->notification_mutex);  in fsnotify_alloc_group()
101 	INIT_LIST_HEAD(&group->notification_list);  in fsnotify_alloc_group()
102 	init_waitqueue_head(&group->notification_waitq);  in fsnotify_alloc_group()
103 	group->max_events = UINT_MAX;  in fsnotify_alloc_group()
105 	mutex_init(&group->mark_mutex);  in fsnotify_alloc_group()
106 	INIT_LIST_HEAD(&group->marks_list);  in fsnotify_alloc_group()
108 	group->ops = ops;  in fsnotify_alloc_group()
110 	return group;  in fsnotify_alloc_group()
115 	struct fsnotify_group *group = file->private_data;  in fsnotify_fasync()  local
117 	return fasync_helper(fd, file, on, &group->fsn_fa) >= 0 ? 0 : -EIO;  in fsnotify_fasync()