fsnotify: drop mask argument from fsnotify_alloc_group

Nothing uses the mask argument to fsnotify_alloc_group.  This patch drops
that argument.

Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/fs/notify/group.c b/fs/notify/group.c
index 1d20d26..1657349 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -164,8 +164,7 @@
 /*
  * Create a new fsnotify_group and hold a reference for the group returned.
  */
-struct fsnotify_group *fsnotify_alloc_group(__u32 mask,
-					    const struct fsnotify_ops *ops)
+struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops)
 {
 	struct fsnotify_group *group;
 
@@ -175,8 +174,6 @@
 
 	atomic_set(&group->refcnt, 1);
 
-	group->mask = mask;
-
 	mutex_init(&group->notification_mutex);
 	INIT_LIST_HEAD(&group->notification_list);
 	init_waitqueue_head(&group->notification_waitq);
@@ -196,8 +193,5 @@
 
 	mutex_unlock(&fsnotify_grp_mutex);
 
-	if (mask)
-		fsnotify_recalc_global_mask();
-
 	return group;
 }