diff options
Diffstat (limited to 'fs/notify/group.c')
| -rw-r--r-- | fs/notify/group.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/notify/group.c b/fs/notify/group.c index c8080974531..656c534ffb6 100644 --- a/fs/notify/group.c +++ b/fs/notify/group.c @@ -82,9 +82,6 @@ static void fsnotify_add_group(struct fsnotify_group *group) BUG_ON(!mutex_is_locked(&fsnotify_grp_mutex)); group->on_inode_group_list = 1; - /* being on the fsnotify_groups list holds one num_marks */ - atomic_inc(&group->num_marks); - list_add_tail_rcu(&group->inode_group_list, &fsnotify_inode_groups); } @@ -183,7 +180,14 @@ struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops) if (!group) return ERR_PTR(-ENOMEM); + /* set to 0 when there a no external references to this group */ atomic_set(&group->refcnt, 1); + /* + * hits 0 when there are no external references AND no marks for + * this group + */ + atomic_set(&group->num_marks, 1); + mutex_init(&group->notification_mutex); INIT_LIST_HEAD(&group->notification_list); |