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-rw-r--r--fs/notify/group.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/notify/group.c b/fs/notify/group.c
index c80809745312..656c534ffb66 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);