int lmv_revalidate_slaves(struct obd_export *, struct ptlrpc_request **,
struct ll_fid *, struct lookup_intent *, int,
ldlm_blocking_callback cb_blocking);
int lmv_revalidate_slaves(struct obd_export *, struct ptlrpc_request **,
struct ll_fid *, struct lookup_intent *, int,
ldlm_blocking_callback cb_blocking);