From: zhong jiang <zhongjiang@huawei.com>
Date: Sat, 13 Oct 2018 04:34:26 +0000 (-0700)
Subject: ocfs2: fix a GCC warning
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1cff514a5101d514900f0e94613402d8a18359e6;p=linux.git

ocfs2: fix a GCC warning

Fix the following compile warning:

fs/ocfs2/dlmglue.c:99:30: warning: ‘lockdep_keys’ defined but not used [-Wunused-variable]
 static struct lock_class_key lockdep_keys[OCFS2_NUM_LOCK_TYPES];

Link: http://lkml.kernel.org/r/1536938148-32110-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 8e712b614e6e2..933aac5da1934 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -96,7 +96,9 @@ struct ocfs2_unblock_ctl {
 };
 
 /* Lockdep class keys */
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
 static struct lock_class_key lockdep_keys[OCFS2_NUM_LOCK_TYPES];
+#endif
 
 static int ocfs2_check_meta_downconvert(struct ocfs2_lock_res *lockres,
 					int new_level);