staging: lustre: moved extern declarations to a header

This patch moves declarations of variables used in several files
across the ptlrpc module from source files to a local header.
Signed-off-by: Anton Gerasimov <anton.gerasimov@openmailbox.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c

@@ -420,7 +420,6 @@ LUSTRE_RW_ATTR(threads_max);
  * \addtogoup nrs
  * @{
  */
-extern struct nrs_core nrs_core;
 
 /**
  * Translates \e ptlrpc_nrs_pol_state values to human-readable strings.

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

@@ -49,7 +49,6 @@
 
 /* XXX: This is just for liblustre. Remove the #if defined directive when the
  * "cfs_" prefix is dropped from cfs_list_head. */
-extern struct list_head ptlrpc_all_services;
 
 /**
  * NRS core object.

drivers/staging/lustre/lustre/ptlrpc/ptlrpc_internal.h

@@ -47,6 +47,10 @@ struct ldlm_res_id;
 struct ptlrpc_request_set;
 extern int test_req_buffer_pressure;
 extern struct mutex ptlrpc_all_services_mutex;
+extern struct list_head ptlrpc_all_services;
+
+extern struct mutex ptlrpcd_mutex;
+extern struct mutex pinger_mutex;
 
 int ptlrpc_start_thread(struct ptlrpc_service_part *svcpt, int wait);
 /* ptlrpcd.c */
@@ -110,6 +114,8 @@ struct nrs_core {
 
 };
 
+extern struct nrs_core nrs_core;
+
 int ptlrpc_service_nrs_setup(struct ptlrpc_service *svc);
 void ptlrpc_service_nrs_cleanup(struct ptlrpc_service *svc);
 

drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c

@@ -48,8 +48,6 @@ extern spinlock_t ptlrpc_last_xid_lock;
 #if RS_DEBUG
 extern spinlock_t ptlrpc_rs_debug_lock;
 #endif
-extern struct mutex pinger_mutex;
-extern struct mutex ptlrpcd_mutex;
 
 static int __init ptlrpc_init(void)
 {