From: zhong jiang <zhongjiang@xxxxxxxxxx> Subject: 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@xxxxxxxxxx Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/fs/ocfs2/dlmglue.c~ocfs2-fix-a-gcc-compiled-warning +++ a/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); _
