[PATCH 03/13] kernfs: remove the unused lockdep_key field in struct kernfs_ops

[Christoph Hellwig <hch@xxxxxx>]

No actually used anywhere.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 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