1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index 1a01380e3878..aea457718946 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -87,6 +87,8 @@ bail:
         return ret;
 }
 
+DEFINE_SPINLOCK(dentry_attach_lock);
+
 struct dentry_operations ocfs2_dentry_ops = {
         .d_revalidate           = ocfs2_dentry_revalidate,
 };