linux-kernel - [PATCH 03/13] kernfs: remove the unused lockdep_key field in struct kernfs

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Date:   Mon, 13 Sep 2021 07:41:11 +0200
From:   Christoph Hellwig <hch@....de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>
Cc:     Jens Axboe <axboe@...nel.dk>, Tejun Heo <tj@...nel.org>,
        linux-block@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 03/13] kernfs: remove the unused lockdep_key field in struct kernfs_ops

No actually used anywhere.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 include/linux/kernfs.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index cecfeedb7361d..3ccce6f245484 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
 };
 
 /*
-- 
2.30.2