Staging: lustre: ptlrpc: nrs: Declare as static

Declare ptlrpc_nrs_policy_register as static since it is used
only in this particular file. Also remove corresponding declaration
from header files.
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/include/lustre_net.h

@@ -1528,11 +1528,6 @@ static inline int ptlrpc_req_interpret(const struct lu_env *env,
 	return rc;
 }
 
-/** \addtogroup  nrs
- * @{
- */
-int ptlrpc_nrs_policy_register(struct ptlrpc_nrs_pol_conf *conf);
-
 /*
  * Can the request be moved from the regular NRS head to the high-priority NRS
  * head (of the same PTLRPC service partition), if any?

drivers/staging/lustre/lustre/ptlrpc/nrs.c

@@ -1111,7 +1111,7 @@ static int nrs_policy_unregister_locked(struct ptlrpc_nrs_pol_desc *desc)
  * \retval -ve error
  * \retval   0 success
  */
-int ptlrpc_nrs_policy_register(struct ptlrpc_nrs_pol_conf *conf)
+static int ptlrpc_nrs_policy_register(struct ptlrpc_nrs_pol_conf *conf)
 {
 	struct ptlrpc_service *svc;
 	struct ptlrpc_nrs_pol_desc *desc;
@@ -1247,7 +1247,6 @@ int ptlrpc_nrs_policy_register(struct ptlrpc_nrs_pol_conf *conf)
 
 	return rc;
 }
-EXPORT_SYMBOL(ptlrpc_nrs_policy_register);
 
 /**
  * Setup NRS heads on all service partitions of service \a svc, and register