--- zzzz-none-000/linux-3.10.107/fs/dlm/lock.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/dlm/lock.h	2021-02-04 17:41:59.000000000 +0000
@@ -49,6 +49,9 @@
 int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
 	int mode, uint32_t flags, uint32_t lkid, char *lvb_in,
 	unsigned long timeout_cs);
+int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
+	int mode, uint32_t flags, void *name, unsigned int namelen,
+	unsigned long timeout_cs, uint32_t *lkid);
 int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
 	uint32_t flags, uint32_t lkid, char *lvb_in);
 int dlm_user_cancel(struct dlm_ls *ls,  struct dlm_user_args *ua_tmp,