From cf51624999e56c88154b5f7d451a265db6aabff7 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 3 Jul 2006 00:25:27 -0700
Subject: [PATCH] lockdep: annotate ->s_lock

Teach special (per-filesystem) locking code to the lock validator.

Minimal effect on non-lockdep kernels: one extra parameter to alloc_super().

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/linux/fs.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux/fs.h')

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 05ded9e76b23..0a3ea52d711e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1295,6 +1295,7 @@ struct file_system_type {
 	struct module *owner;
 	struct file_system_type * next;
 	struct list_head fs_supers;
+	struct lock_class_key s_lock_key;
 };
 
 extern int get_sb_bdev(struct file_system_type *fs_type,
-- 
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