From eaf501e0d8af691e532b6b9aee511659cf5ee00c Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 13 Sep 2021 07:41:11 +0200
Subject: [PATCH] kernfs: remove the unused lockdep_key field in struct
 kernfs_ops

Not actually used anywhere.

Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210913054121.616001-4-hch@lst.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/kernfs.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index cecfeedb7361..3ccce6f24548 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -269,10 +269,6 @@ struct kernfs_ops {
 			 struct poll_table_struct *pt);
 
 	int (*mmap)(struct kernfs_open_file *of, struct vm_area_struct *vma);
-
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-	struct lock_class_key	lockdep_key;
-#endif
 };
 
 /*