fanotify: drop the useless priority argument

The priority argument in fanotify is useless.  Kill it.

Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index b0d00fd..b9b3f24 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -143,7 +143,6 @@
 					 * a group */
 	struct list_head marks_list;	/* all inode marks for this group */
 
-	unsigned int priority;		/* order of this group compared to others */
 	/* prevents double list_del of group_list.  protected by global fsnotify_grp_mutex */
 	bool on_inode_group_list;
 	bool on_vfsmount_group_list;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 5b05c37..0ec26a7 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -813,8 +813,7 @@
 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
 			  struct timespec __user *, const sigset_t __user *,
 			  size_t);
-asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags,
-				  unsigned int priority);
+asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
 				  u64 mask, int fd,
 				  const char  __user *pathname);