fanotify: use both marks when possible

fanotify currently, when given a vfsmount_mark will look up (if it exists)
the corresponding inode mark.  This patch drops that lookup and uses the
mark provided.

Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index bda588b..3344bdd5 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -128,7 +128,7 @@
  * userspace notification for that pair.
  */
 static bool dnotify_should_send_event(struct fsnotify_group *group,
-				      struct inode *inode, struct vfsmount *mnt,
+				      struct inode *inode,
 				      struct fsnotify_mark *inode_mark,
 				      struct fsnotify_mark *vfsmount_mark,
 				      __u32 mask, void *data, int data_type)