diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index cf40895233f5..ef1013eff936 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -192,5 +192,6 @@ const struct export_operations gfs2_export_ops = {
 	.fh_to_parent = gfs2_fh_to_parent,
 	.get_name = gfs2_get_name,
 	.get_parent = gfs2_get_parent,
+	.flags = EXPORT_OP_ASYNC_LOCK,
 };
 
diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index eaa8c80ace3c..b8b6a191b5cb 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -280,4 +280,5 @@ const struct export_operations ocfs2_export_ops = {
 	.fh_to_dentry	= ocfs2_fh_to_dentry,
 	.fh_to_parent	= ocfs2_fh_to_parent,
 	.get_parent	= ocfs2_get_parent,
+	.flags		= EXPORT_OP_ASYNC_LOCK,
 };