[PATCH 06/19] staging: lustre: Remove unnecessary externs

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Using 'extern' is not necessary for function prototypes.

Miscellanea:

o Reflow alignments

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
 .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h    |   2 +-
 .../staging/lustre/lnet/klnds/socklnd/socklnd.h    | 141 +++++-----
 drivers/staging/lustre/lnet/selftest/console.h     |  90 +++---
 .../staging/lustre/lustre/include/lprocfs_status.h | 313 ++++++++++-----------
 .../lustre/lustre/include/lustre/lustre_idl.h      | 133 ++++-----
 .../lustre/lustre/include/lustre/lustre_user.h     |   2 +-
 drivers/staging/lustre/lustre/include/lustre_dlm.h |   2 +-
 .../staging/lustre/lustre/include/lustre_export.h  |   4 +-
 .../staging/lustre/lustre/include/lustre_import.h  |   4 +-
 drivers/staging/lustre/lustre/include/lustre_net.h |  16 +-
 drivers/staging/lustre/lustre/include/obd_class.h  |  16 +-
 .../staging/lustre/lustre/include/obd_support.h    |   6 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_internal.h |   2 +-
 drivers/staging/lustre/lustre/libcfs/tracefile.h   |  32 +--
 .../staging/lustre/lustre/llite/llite_internal.h   |  16 +-
 15 files changed, 387 insertions(+), 392 deletions(-)

diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
index 8bc0577..deeec5e 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
@@ -642,7 +642,7 @@ typedef struct kib_peer {
 
 extern kib_data_t kiblnd_data;
 
-extern void kiblnd_hdev_destroy(kib_hca_dev_t *hdev);
+void kiblnd_hdev_destroy(kib_hca_dev_t *hdev);
 
 static inline void
 kiblnd_hdev_addref_locked(kib_hca_dev_t *hdev)
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
index cb91e68..a0fcbc3 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
@@ -520,8 +520,8 @@ ksocknal_conn_addref(ksock_conn_t *conn)
 	atomic_inc(&conn->ksnc_conn_refcount);
 }
 
-extern void ksocknal_queue_zombie_conn(ksock_conn_t *conn);
-extern void ksocknal_finalize_zcreq(ksock_conn_t *conn);
+void ksocknal_queue_zombie_conn(ksock_conn_t *conn);
+void ksocknal_finalize_zcreq(ksock_conn_t *conn);
 
 static inline void
 ksocknal_conn_decref(ksock_conn_t *conn)
@@ -566,8 +566,8 @@ ksocknal_tx_addref(ksock_tx_t *tx)
 	atomic_inc(&tx->tx_refcount);
 }
 
-extern void ksocknal_tx_prep(ksock_conn_t *, ksock_tx_t *tx);
-extern void ksocknal_tx_done(lnet_ni_t *ni, ksock_tx_t *tx);
+void ksocknal_tx_prep(ksock_conn_t *, ksock_tx_t *tx);
+void ksocknal_tx_done(lnet_ni_t *ni, ksock_tx_t *tx);
 
 static inline void
 ksocknal_tx_decref(ksock_tx_t *tx)
@@ -584,7 +584,7 @@ ksocknal_route_addref(ksock_route_t *route)
 	atomic_inc(&route->ksnr_refcount);
 }
 
-extern void ksocknal_destroy_route(ksock_route_t *route);
+void ksocknal_destroy_route(ksock_route_t *route);
 
 static inline void
 ksocknal_route_decref(ksock_route_t *route)
@@ -601,7 +601,7 @@ ksocknal_peer_addref(ksock_peer_t *peer)
 	atomic_inc(&peer->ksnp_refcount);
 }
 
-extern void ksocknal_destroy_peer(ksock_peer_t *peer);
+void ksocknal_destroy_peer(ksock_peer_t *peer);
 
 static inline void
 ksocknal_peer_decref(ksock_peer_t *peer)
@@ -621,70 +621,69 @@ int ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
 		  unsigned int offset, unsigned int mlen, unsigned int rlen);
 int ksocknal_accept(lnet_ni_t *ni, struct socket *sock);
 
-extern int ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip, int port);
-extern ksock_peer_t *ksocknal_find_peer_locked(lnet_ni_t *ni, lnet_process_id_t id);
-extern ksock_peer_t *ksocknal_find_peer(lnet_ni_t *ni, lnet_process_id_t id);
-extern void ksocknal_peer_failed(ksock_peer_t *peer);
-extern int ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
-				 struct socket *sock, int type);
-extern void ksocknal_close_conn_locked(ksock_conn_t *conn, int why);
-extern void ksocknal_terminate_conn(ksock_conn_t *conn);
-extern void ksocknal_destroy_conn(ksock_conn_t *conn);
-extern int  ksocknal_close_peer_conns_locked(ksock_peer_t *peer,
-					      __u32 ipaddr, int why);
-extern int ksocknal_close_conn_and_siblings(ksock_conn_t *conn, int why);
-extern int ksocknal_close_matching_conns(lnet_process_id_t id, __u32 ipaddr);
-extern ksock_conn_t *ksocknal_find_conn_locked(ksock_peer_t *peer,
-					       ksock_tx_t *tx, int nonblk);
-
-extern int  ksocknal_launch_packet(lnet_ni_t *ni, ksock_tx_t *tx,
-				   lnet_process_id_t id);
-extern ksock_tx_t *ksocknal_alloc_tx(int type, int size);
-extern void ksocknal_free_tx(ksock_tx_t *tx);
-extern ksock_tx_t *ksocknal_alloc_tx_noop(__u64 cookie, int nonblk);
-extern void ksocknal_next_tx_carrier(ksock_conn_t *conn);
-extern void ksocknal_queue_tx_locked(ksock_tx_t *tx, ksock_conn_t *conn);
-extern void ksocknal_txlist_done(lnet_ni_t *ni, struct list_head *txlist,
-				  int error);
-extern void ksocknal_notify(lnet_ni_t *ni, lnet_nid_t gw_nid, int alive);
-extern void ksocknal_query(struct lnet_ni *ni, lnet_nid_t nid, unsigned long *when);
-extern int ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name);
-extern void ksocknal_thread_fini(void);
-extern void ksocknal_launch_all_connections_locked(ksock_peer_t *peer);
-extern ksock_route_t *ksocknal_find_connectable_route_locked(ksock_peer_t *peer);
-extern ksock_route_t *ksocknal_find_connecting_route_locked(ksock_peer_t *peer);
-extern int ksocknal_new_packet(ksock_conn_t *conn, int skip);
-extern int ksocknal_scheduler(void *arg);
-extern int ksocknal_connd(void *arg);
-extern int ksocknal_reaper(void *arg);
-extern int ksocknal_send_hello(lnet_ni_t *ni, ksock_conn_t *conn,
-				lnet_nid_t peer_nid, ksock_hello_msg_t *hello);
-extern int ksocknal_recv_hello(lnet_ni_t *ni, ksock_conn_t *conn,
-				ksock_hello_msg_t *hello, lnet_process_id_t *id,
-				__u64 *incarnation);
-extern void ksocknal_read_callback(ksock_conn_t *conn);
-extern void ksocknal_write_callback(ksock_conn_t *conn);
-
-extern int ksocknal_lib_zc_capable(ksock_conn_t *conn);
-extern void ksocknal_lib_save_callback(struct socket *sock, ksock_conn_t *conn);
-extern void ksocknal_lib_set_callback(struct socket *sock,  ksock_conn_t *conn);
-extern void ksocknal_lib_reset_callback(struct socket *sock, ksock_conn_t *conn);
-extern void ksocknal_lib_push_conn(ksock_conn_t *conn);
-extern int ksocknal_lib_get_conn_addrs(ksock_conn_t *conn);
-extern int ksocknal_lib_setup_sock(struct socket *so);
-extern int ksocknal_lib_send_iov(ksock_conn_t *conn, ksock_tx_t *tx);
-extern int ksocknal_lib_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx);
-extern void ksocknal_lib_eager_ack(ksock_conn_t *conn);
-extern int ksocknal_lib_recv_iov(ksock_conn_t *conn);
-extern int ksocknal_lib_recv_kiov(ksock_conn_t *conn);
-extern int ksocknal_lib_get_conn_tunables(ksock_conn_t *conn, int *txmem,
-					   int *rxmem, int *nagle);
-
-extern int ksocknal_tunables_init(void);
-
-extern void ksocknal_lib_csum_tx(ksock_tx_t *tx);
-
-extern int ksocknal_lib_memory_pressure(ksock_conn_t *conn);
-extern int ksocknal_lib_bind_thread_to_cpu(int id);
+int ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip, int port);
+ksock_peer_t *ksocknal_find_peer_locked(lnet_ni_t *ni, lnet_process_id_t id);
+ksock_peer_t *ksocknal_find_peer(lnet_ni_t *ni, lnet_process_id_t id);
+void ksocknal_peer_failed(ksock_peer_t *peer);
+int ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
+			 struct socket *sock, int type);
+void ksocknal_close_conn_locked(ksock_conn_t *conn, int why);
+void ksocknal_terminate_conn(ksock_conn_t *conn);
+void ksocknal_destroy_conn(ksock_conn_t *conn);
+int  ksocknal_close_peer_conns_locked(ksock_peer_t *peer,
+				      __u32 ipaddr, int why);
+int ksocknal_close_conn_and_siblings(ksock_conn_t *conn, int why);
+int ksocknal_close_matching_conns(lnet_process_id_t id, __u32 ipaddr);
+ksock_conn_t *ksocknal_find_conn_locked(ksock_peer_t *peer,
+					ksock_tx_t *tx, int nonblk);
+
+int  ksocknal_launch_packet(lnet_ni_t *ni, ksock_tx_t *tx,
+			    lnet_process_id_t id);
+ksock_tx_t *ksocknal_alloc_tx(int type, int size);
+void ksocknal_free_tx(ksock_tx_t *tx);
+ksock_tx_t *ksocknal_alloc_tx_noop(__u64 cookie, int nonblk);
+void ksocknal_next_tx_carrier(ksock_conn_t *conn);
+void ksocknal_queue_tx_locked(ksock_tx_t *tx, ksock_conn_t *conn);
+void ksocknal_txlist_done(lnet_ni_t *ni, struct list_head *txlist, int error);
+void ksocknal_notify(lnet_ni_t *ni, lnet_nid_t gw_nid, int alive);
+void ksocknal_query(struct lnet_ni *ni, lnet_nid_t nid, unsigned long *when);
+int ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name);
+void ksocknal_thread_fini(void);
+void ksocknal_launch_all_connections_locked(ksock_peer_t *peer);
+ksock_route_t *ksocknal_find_connectable_route_locked(ksock_peer_t *peer);
+ksock_route_t *ksocknal_find_connecting_route_locked(ksock_peer_t *peer);
+int ksocknal_new_packet(ksock_conn_t *conn, int skip);
+int ksocknal_scheduler(void *arg);
+int ksocknal_connd(void *arg);
+int ksocknal_reaper(void *arg);
+int ksocknal_send_hello(lnet_ni_t *ni, ksock_conn_t *conn,
+			lnet_nid_t peer_nid, ksock_hello_msg_t *hello);
+int ksocknal_recv_hello(lnet_ni_t *ni, ksock_conn_t *conn,
+			ksock_hello_msg_t *hello, lnet_process_id_t *id,
+			__u64 *incarnation);
+void ksocknal_read_callback(ksock_conn_t *conn);
+void ksocknal_write_callback(ksock_conn_t *conn);
+
+int ksocknal_lib_zc_capable(ksock_conn_t *conn);
+void ksocknal_lib_save_callback(struct socket *sock, ksock_conn_t *conn);
+void ksocknal_lib_set_callback(struct socket *sock,  ksock_conn_t *conn);
+void ksocknal_lib_reset_callback(struct socket *sock, ksock_conn_t *conn);
+void ksocknal_lib_push_conn(ksock_conn_t *conn);
+int ksocknal_lib_get_conn_addrs(ksock_conn_t *conn);
+int ksocknal_lib_setup_sock(struct socket *so);
+int ksocknal_lib_send_iov(ksock_conn_t *conn, ksock_tx_t *tx);
+int ksocknal_lib_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx);
+void ksocknal_lib_eager_ack(ksock_conn_t *conn);
+int ksocknal_lib_recv_iov(ksock_conn_t *conn);
+int ksocknal_lib_recv_kiov(ksock_conn_t *conn);
+int ksocknal_lib_get_conn_tunables(ksock_conn_t *conn, int *txmem,
+				   int *rxmem, int *nagle);
+
+int ksocknal_tunables_init(void);
+
+void ksocknal_lib_csum_tx(ksock_tx_t *tx);
+
+int ksocknal_lib_memory_pressure(ksock_conn_t *conn);
+int ksocknal_lib_bind_thread_to_cpu(int id);
 
 #endif /* _SOCKLND_SOCKLND_H_ */
diff --git a/drivers/staging/lustre/lnet/selftest/console.h b/drivers/staging/lustre/lnet/selftest/console.h
index c4cf0ae..cdce2dd 100644
--- a/drivers/staging/lustre/lnet/selftest/console.h
+++ b/drivers/staging/lustre/lnet/selftest/console.h
@@ -187,51 +187,49 @@ lstcon_id2hash (lnet_process_id_t id, struct list_head *hash)
 int lstcon_console_init(void);
 int lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_data *data);
 int lstcon_console_fini(void);
-extern int lstcon_session_match(lst_sid_t sid);
-extern int lstcon_session_new(char *name, int key, unsigned version,
-			      int timeout, int flags, lst_sid_t *sid_up);
-extern int lstcon_session_info(lst_sid_t *sid_up, int *key, unsigned *verp,
-			       lstcon_ndlist_ent_t *entp, char *name_up, int len);
-extern int lstcon_session_end(void);
-extern int lstcon_session_debug(int timeout, struct list_head *result_up);
-extern int lstcon_session_feats_check(unsigned feats);
-extern int lstcon_batch_debug(int timeout, char *name,
-			      int client, struct list_head *result_up);
-extern int lstcon_group_debug(int timeout, char *name,
-			      struct list_head *result_up);
-extern int lstcon_nodes_debug(int timeout, int nnd, lnet_process_id_t *nds_up,
-			      struct list_head *result_up);
-extern int lstcon_group_add(char *name);
-extern int lstcon_group_del(char *name);
-extern int lstcon_group_clean(char *name, int args);
-extern int lstcon_group_refresh(char *name, struct list_head *result_up);
-extern int lstcon_nodes_add(char *name, int nnd, lnet_process_id_t *nds_up,
-			    unsigned *featp, struct list_head *result_up);
-extern int lstcon_nodes_remove(char *name, int nnd, lnet_process_id_t *nds_up,
-			       struct list_head *result_up);
-extern int lstcon_group_info(char *name, lstcon_ndlist_ent_t *gent_up,
-			     int *index_p, int *ndent_p, lstcon_node_ent_t *ndents_up);
-extern int lstcon_group_list(int idx, int len, char *name_up);
-extern int lstcon_batch_add(char *name);
-extern int lstcon_batch_run(char *name, int timeout,
+int lstcon_session_match(lst_sid_t sid);
+int lstcon_session_new(char *name, int key, unsigned version,
+		       int timeout, int flags, lst_sid_t *sid_up);
+int lstcon_session_info(lst_sid_t *sid_up, int *key, unsigned *verp,
+			lstcon_ndlist_ent_t *entp, char *name_up, int len);
+int lstcon_session_end(void);
+int lstcon_session_debug(int timeout, struct list_head *result_up);
+int lstcon_session_feats_check(unsigned feats);
+int lstcon_batch_debug(int timeout, char *name,
+		       int client, struct list_head *result_up);
+int lstcon_group_debug(int timeout, char *name,
+		       struct list_head *result_up);
+int lstcon_nodes_debug(int timeout, int nnd, lnet_process_id_t *nds_up,
+		       struct list_head *result_up);
+int lstcon_group_add(char *name);
+int lstcon_group_del(char *name);
+int lstcon_group_clean(char *name, int args);
+int lstcon_group_refresh(char *name, struct list_head *result_up);
+int lstcon_nodes_add(char *name, int nnd, lnet_process_id_t *nds_up,
+		     unsigned *featp, struct list_head *result_up);
+int lstcon_nodes_remove(char *name, int nnd, lnet_process_id_t *nds_up,
+			struct list_head *result_up);
+int lstcon_group_info(char *name, lstcon_ndlist_ent_t *gent_up,
+		      int *index_p, int *ndent_p, lstcon_node_ent_t *ndents_up);
+int lstcon_group_list(int idx, int len, char *name_up);
+int lstcon_batch_add(char *name);
+int lstcon_batch_run(char *name, int timeout, struct list_head *result_up);
+int lstcon_batch_stop(char *name, int force, struct list_head *result_up);
+int lstcon_test_batch_query(char *name, int testidx,
+			    int client, int timeout,
 			    struct list_head *result_up);
-extern int lstcon_batch_stop(char *name, int force,
-			     struct list_head *result_up);
-extern int lstcon_test_batch_query(char *name, int testidx,
-				   int client, int timeout,
-				   struct list_head *result_up);
-extern int lstcon_batch_del(char *name);
-extern int lstcon_batch_list(int idx, int namelen, char *name_up);
-extern int lstcon_batch_info(char *name, lstcon_test_batch_ent_t *ent_up,
-			     int server, int testidx, int *index_p,
-			     int *ndent_p, lstcon_node_ent_t *dents_up);
-extern int lstcon_group_stat(char *grp_name, int timeout,
-			     struct list_head *result_up);
-extern int lstcon_nodes_stat(int count, lnet_process_id_t *ids_up,
-			     int timeout, struct list_head *result_up);
-extern int lstcon_test_add(char *batch_name, int type, int loop,
-			   int concur, int dist, int span,
-			   char *src_name, char *dst_name,
-			   void *param, int paramlen, int *retp,
-			   struct list_head *result_up);
+int lstcon_batch_del(char *name);
+int lstcon_batch_list(int idx, int namelen, char *name_up);
+int lstcon_batch_info(char *name, lstcon_test_batch_ent_t *ent_up,
+		      int server, int testidx, int *index_p,
+		      int *ndent_p, lstcon_node_ent_t *dents_up);
+int lstcon_group_stat(char *grp_name, int timeout,
+		      struct list_head *result_up);
+int lstcon_nodes_stat(int count, lnet_process_id_t *ids_up,
+		      int timeout, struct list_head *result_up);
+int lstcon_test_add(char *batch_name, int type, int loop,
+		    int concur, int dist, int span,
+		    char *src_name, char *dst_name,
+		    void *param, int paramlen, int *retp,
+		    struct list_head *result_up);
 #endif
diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 8ede2a0..fd3c4df 100644
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -375,12 +375,11 @@ static inline void s2dhms(struct dhms *ts, time_t secs)
 #define JOBSTATS_PROCNAME_UID		"procname_uid"
 #define JOBSTATS_NODELOCAL		"nodelocal"
 
-extern int lprocfs_write_frac_helper(const char __user *buffer,
-				     unsigned long count, int *val, int mult);
-extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
-				    long val, int mult);
-extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
-				   unsigned int cpuid);
+int lprocfs_write_frac_helper(const char __user *buffer,
+			      unsigned long count, int *val, int mult);
+int lprocfs_read_frac_helper(char *buffer, unsigned long count,
+			     long val, int mult);
+int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, unsigned int cpuid);
 /*
  * \return value
  *      < 0     : on error (only possible for opc as LPROCFS_GET_SMP_ID)
@@ -497,20 +496,18 @@ lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid,
  * count itself to reside within a single cache line.
  */
 
-extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
-				long amount);
-extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
-				long amount);
+void lprocfs_counter_add(struct lprocfs_stats *stats, int idx, long amount);
+void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx, long amount);
 
 #define lprocfs_counter_incr(stats, idx) \
 	lprocfs_counter_add(stats, idx, 1)
 #define lprocfs_counter_decr(stats, idx) \
 	lprocfs_counter_sub(stats, idx, 1)
 
-extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
-				 struct lprocfs_counter_header *header,
-				 enum lprocfs_stats_flags flags,
-				 enum lprocfs_fields_flags field);
+__s64 lprocfs_read_helper(struct lprocfs_counter *lc,
+			  struct lprocfs_counter_header *header,
+			  enum lprocfs_stats_flags flags,
+			  enum lprocfs_fields_flags field);
 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
 					    int idx,
 					    enum lprocfs_fields_flags field)
@@ -537,107 +534,103 @@ static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
 
 extern struct lprocfs_stats *
 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
-extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
-extern void lprocfs_free_stats(struct lprocfs_stats **stats);
-extern void lprocfs_init_ops_stats(int num_private_stats,
-				   struct lprocfs_stats *stats);
-extern void lprocfs_init_mps_stats(int num_private_stats,
-				   struct lprocfs_stats *stats);
-extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
-extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
-				   unsigned int num_private_stats);
-extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
-				  unsigned int num_private_stats);
-extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
-				 unsigned conf, const char *name,
-				 const char *units);
-extern void lprocfs_free_obd_stats(struct obd_device *obddev);
-extern void lprocfs_free_md_stats(struct obd_device *obddev);
+void lprocfs_clear_stats(struct lprocfs_stats *stats);
+void lprocfs_free_stats(struct lprocfs_stats **stats);
+void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats);
+void lprocfs_init_mps_stats(int num_private_stats, struct lprocfs_stats *stats);
+void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
+int lprocfs_alloc_obd_stats(struct obd_device *obddev,
+			    unsigned int num_private_stats);
+int lprocfs_alloc_md_stats(struct obd_device *obddev,
+			   unsigned int num_private_stats);
+void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
+			  unsigned conf, const char *name, const char *units);
+void lprocfs_free_obd_stats(struct obd_device *obddev);
+void lprocfs_free_md_stats(struct obd_device *obddev);
 struct obd_export;
-extern int lprocfs_exp_cleanup(struct obd_export *exp);
-extern struct dentry *ldebugfs_add_simple(struct dentry *root,
-					  char *name,
-					  void *data,
-					  struct file_operations *fops);
-extern struct dentry *
+int lprocfs_exp_cleanup(struct obd_export *exp);
+struct dentry *ldebugfs_add_simple(struct dentry *root,
+				   char *name,
+				   void *data,
+				   struct file_operations *fops);
+struct dentry *
 ldebugfs_add_symlink(const char *name, struct dentry *parent,
-		    const char *format, ...);
+		     const char *format, ...);
 
-extern int ldebugfs_register_stats(struct dentry *parent,
-				   const char *name,
-				   struct lprocfs_stats *stats);
+int ldebugfs_register_stats(struct dentry *parent,
+			    const char *name,
+			    struct lprocfs_stats *stats);
 
 /* lprocfs_status.c */
-extern int ldebugfs_add_vars(struct dentry *parent,
-			     struct lprocfs_vars *var,
-			     void *data);
-
-extern struct dentry *ldebugfs_register(const char *name,
-					struct dentry *parent,
-					struct lprocfs_vars *list,
-					void *data);
-
-extern void ldebugfs_remove(struct dentry **entryp);
-
-extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
-			     struct attribute_group *attrs);
-extern int lprocfs_obd_cleanup(struct obd_device *obd);
-
-extern int ldebugfs_seq_create(struct dentry *parent,
-			       const char *name,
-			       umode_t mode,
-			       const struct file_operations *seq_fops,
-			       void *data);
-extern int ldebugfs_obd_seq_create(struct obd_device *dev,
-				   const char *name,
-				   umode_t mode,
-				   const struct file_operations *seq_fops,
-				   void *data);
+int ldebugfs_add_vars(struct dentry *parent,
+		      struct lprocfs_vars *var,
+		      void *data);
+
+struct dentry *ldebugfs_register(const char *name,
+				 struct dentry *parent,
+				 struct lprocfs_vars *list,
+				 void *data);
+
+void ldebugfs_remove(struct dentry **entryp);
+
+int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
+		      struct attribute_group *attrs);
+int lprocfs_obd_cleanup(struct obd_device *obd);
+
+int ldebugfs_seq_create(struct dentry *parent,
+			const char *name,
+			umode_t mode,
+			const struct file_operations *seq_fops,
+			void *data);
+int ldebugfs_obd_seq_create(struct obd_device *dev,
+			    const char *name,
+			    umode_t mode,
+			    const struct file_operations *seq_fops,
+			    void *data);
 
 /* Generic callbacks */
 
-extern int lprocfs_rd_u64(struct seq_file *m, void *data);
-extern int lprocfs_rd_atomic(struct seq_file *m, void *data);
-extern int lprocfs_wr_atomic(struct file *file, const char __user *buffer,
-			     unsigned long count, void *data);
-extern int lprocfs_rd_uint(struct seq_file *m, void *data);
-extern int lprocfs_wr_uint(struct file *file, const char __user *buffer,
-			   unsigned long count, void *data);
-extern int lprocfs_rd_name(struct seq_file *m, void *data);
-extern int lprocfs_rd_server_uuid(struct seq_file *m, void *data);
-extern int lprocfs_rd_conn_uuid(struct seq_file *m, void *data);
-extern int lprocfs_rd_import(struct seq_file *m, void *data);
-extern int lprocfs_rd_state(struct seq_file *m, void *data);
-extern int lprocfs_rd_connect_flags(struct seq_file *m, void *data);
+int lprocfs_rd_u64(struct seq_file *m, void *data);
+int lprocfs_rd_atomic(struct seq_file *m, void *data);
+int lprocfs_wr_atomic(struct file *file, const char __user *buffer,
+		      unsigned long count, void *data);
+int lprocfs_rd_uint(struct seq_file *m, void *data);
+int lprocfs_wr_uint(struct file *file, const char __user *buffer,
+		    unsigned long count, void *data);
+int lprocfs_rd_name(struct seq_file *m, void *data);
+int lprocfs_rd_server_uuid(struct seq_file *m, void *data);
+int lprocfs_rd_conn_uuid(struct seq_file *m, void *data);
+int lprocfs_rd_import(struct seq_file *m, void *data);
+int lprocfs_rd_state(struct seq_file *m, void *data);
+int lprocfs_rd_connect_flags(struct seq_file *m, void *data);
 
 struct adaptive_timeout;
-extern int lprocfs_at_hist_helper(struct seq_file *m,
-				  struct adaptive_timeout *at);
-extern int lprocfs_rd_timeouts(struct seq_file *m, void *data);
-extern int lprocfs_wr_timeouts(struct file *file, const char __user *buffer,
-			       unsigned long count, void *data);
-extern int lprocfs_wr_evict_client(struct file *file, const char __user *buffer,
+int lprocfs_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at);
+int lprocfs_rd_timeouts(struct seq_file *m, void *data);
+int lprocfs_wr_timeouts(struct file *file, const char __user *buffer,
+			unsigned long count, void *data);
+int lprocfs_wr_evict_client(struct file *file, const char __user *buffer,
 			    size_t count, loff_t *off);
-extern int lprocfs_wr_ping(struct file *file, const char __user *buffer,
-			   size_t count, loff_t *off);
-extern int lprocfs_wr_import(struct file *file, const char __user *buffer,
+int lprocfs_wr_ping(struct file *file, const char __user *buffer,
+		    size_t count, loff_t *off);
+int lprocfs_wr_import(struct file *file, const char __user *buffer,
 		      size_t count, loff_t *off);
-extern int lprocfs_rd_pinger_recov(struct seq_file *m, void *n);
-extern int lprocfs_wr_pinger_recov(struct file *file, const char __user *buffer,
-				   size_t count, loff_t *off);
+int lprocfs_rd_pinger_recov(struct seq_file *m, void *n);
+int lprocfs_wr_pinger_recov(struct file *file, const char __user *buffer,
+			    size_t count, loff_t *off);
 
 /* Statfs helpers */
 
-extern int lprocfs_write_helper(const char __user *buffer, unsigned long count,
-				int *val);
-extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
-extern int lprocfs_write_u64_helper(const char __user *buffer,
-				unsigned long count, __u64 *val);
-extern int lprocfs_write_frac_u64_helper(const char *buffer,
-					 unsigned long count,
-					 __u64 *val, int mult);
-extern char *lprocfs_find_named_value(const char *buffer, const char *name,
-				      size_t *count);
+int lprocfs_write_helper(const char __user *buffer, unsigned long count,
+			 int *val);
+int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
+int lprocfs_write_u64_helper(const char __user *buffer,
+			     unsigned long count, __u64 *val);
+int lprocfs_write_frac_u64_helper(const char *buffer,
+				  unsigned long count,
+				  __u64 *val, int mult);
+char *lprocfs_find_named_value(const char *buffer, const char *name,
+			       size_t *count);
 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
 void lprocfs_oh_clear(struct obd_histogram *oh);
@@ -646,8 +639,8 @@ unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
 			   struct lprocfs_counter *cnt);
 
-extern int lprocfs_single_release(struct inode *, struct file *);
-extern int lprocfs_seq_release(struct inode *, struct file *);
+int lprocfs_single_release(struct inode *, struct file *);
+int lprocfs_seq_release(struct inode *, struct file *);
 
 /* You must use these macros when you want to refer to
  * the import in a client obd_device for a lprocfs entry */
@@ -746,7 +739,7 @@ extern const struct sysfs_ops lustre_sysfs_ops;
 
 /* lproc_ptlrpc.c */
 struct ptlrpc_request;
-extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
+void target_print_req(void *seq_file, struct ptlrpc_request *req);
 
 /* lproc_status.c */
 int lprocfs_obd_rd_max_pages_per_rpc(struct seq_file *m, void *data);
@@ -754,62 +747,62 @@ int lprocfs_obd_wr_max_pages_per_rpc(struct file *file, const char *buffer,
 				     size_t count, loff_t *off);
 
 /* all quota proc functions */
-extern int lprocfs_quota_rd_bunit(char *page, char **start,
-				  loff_t off, int count,
-				  int *eof, void *data);
-extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
-				  unsigned long count, void *data);
-extern int lprocfs_quota_rd_btune(char *page, char **start,
-				  loff_t off, int count,
-				  int *eof, void *data);
-extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
-				  unsigned long count, void *data);
-extern int lprocfs_quota_rd_iunit(char *page, char **start,
-				  loff_t off, int count,
-				  int *eof, void *data);
-extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
-				  unsigned long count, void *data);
-extern int lprocfs_quota_rd_itune(char *page, char **start,
-				  loff_t off, int count,
-				  int *eof, void *data);
-extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
-				  unsigned long count, void *data);
-extern int lprocfs_quota_rd_type(char *page, char **start, loff_t off, int count,
-				 int *eof, void *data);
-extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
-				 unsigned long count, void *data);
-extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, loff_t off,
-					   int count, int *eof, void *data);
-extern int lprocfs_quota_wr_switch_seconds(struct file *file,
-					   const char *buffer,
-					   unsigned long count, void *data);
-extern int lprocfs_quota_rd_sync_blk(char *page, char **start, loff_t off,
+int lprocfs_quota_rd_bunit(char *page, char **start,
+			   loff_t off, int count,
+			   int *eof, void *data);
+int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
+			   unsigned long count, void *data);
+int lprocfs_quota_rd_btune(char *page, char **start,
+			   loff_t off, int count,
+			   int *eof, void *data);
+int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
+			   unsigned long count, void *data);
+int lprocfs_quota_rd_iunit(char *page, char **start,
+			   loff_t off, int count,
+			   int *eof, void *data);
+int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
+			   unsigned long count, void *data);
+int lprocfs_quota_rd_itune(char *page, char **start,
+			   loff_t off, int count,
+			   int *eof, void *data);
+int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
+			   unsigned long count, void *data);
+int lprocfs_quota_rd_type(char *page, char **start, loff_t off, int count,
+			  int *eof, void *data);
+int lprocfs_quota_wr_type(struct file *file, const char *buffer,
+			  unsigned long count, void *data);
+int lprocfs_quota_rd_switch_seconds(char *page, char **start, loff_t off,
+				    int count, int *eof, void *data);
+int lprocfs_quota_wr_switch_seconds(struct file *file,
+				    const char *buffer,
+				    unsigned long count, void *data);
+int lprocfs_quota_rd_sync_blk(char *page, char **start, loff_t off,
+			      int count, int *eof, void *data);
+int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
+			      unsigned long count, void *data);
+int lprocfs_quota_rd_switch_qs(char *page, char **start, loff_t off,
+			       int count, int *eof, void *data);
+int lprocfs_quota_wr_switch_qs(struct file *file,
+			       const char *buffer, unsigned long count,
+			       void *data);
+int lprocfs_quota_rd_boundary_factor(char *page, char **start, loff_t off,
 				     int count, int *eof, void *data);
-extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
-				     unsigned long count, void *data);
-extern int lprocfs_quota_rd_switch_qs(char *page, char **start, loff_t off,
-				      int count, int *eof, void *data);
-extern int lprocfs_quota_wr_switch_qs(struct file *file,
-				      const char *buffer,
-				      unsigned long count, void *data);
-extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, loff_t off,
-					    int count, int *eof, void *data);
-extern int lprocfs_quota_wr_boundary_factor(struct file *file,
-					    const char *buffer,
-					    unsigned long count, void *data);
-extern int lprocfs_quota_rd_least_bunit(char *page, char **start, loff_t off,
-					int count, int *eof, void *data);
-extern int lprocfs_quota_wr_least_bunit(struct file *file,
-					const char *buffer,
-					unsigned long count, void *data);
-extern int lprocfs_quota_rd_least_iunit(char *page, char **start, loff_t off,
-					int count, int *eof, void *data);
-extern int lprocfs_quota_wr_least_iunit(struct file *file,
-					const char *buffer,
-					unsigned long count, void *data);
-extern int lprocfs_quota_rd_qs_factor(char *page, char **start, loff_t off,
-				      int count, int *eof, void *data);
-extern int lprocfs_quota_wr_qs_factor(struct file *file,
-				      const char *buffer,
-				      unsigned long count, void *data);
+int lprocfs_quota_wr_boundary_factor(struct file *file,
+				     const char *buffer, unsigned long count,
+				     void *data);
+int lprocfs_quota_rd_least_bunit(char *page, char **start, loff_t off,
+				 int count, int *eof, void *data);
+int lprocfs_quota_wr_least_bunit(struct file *file,
+				 const char *buffer, unsigned long count,
+				 void *data);
+int lprocfs_quota_rd_least_iunit(char *page, char **start, loff_t off,
+				 int count, int *eof, void *data);
+int lprocfs_quota_wr_least_iunit(struct file *file,
+				 const char *buffer, unsigned long count,
+				 void *data);
+int lprocfs_quota_rd_qs_factor(char *page, char **start, loff_t off,
+			       int count, int *eof, void *data);
+int lprocfs_quota_wr_qs_factor(struct file *file,
+			       const char *buffer, unsigned long count,
+			       void *data);
 #endif /* LPROCFS_SNMP_H */
diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
index 4d72d6e..ac78dbc 100644
--- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
+++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
@@ -747,7 +747,7 @@ static inline ino_t lu_igif_ino(const struct lu_fid *fid)
 	return fid_seq(fid);
 }
 
-extern void lustre_swab_ost_id(struct ost_id *oid);
+void lustre_swab_ost_id(struct ost_id *oid);
 
 /**
  * Get inode generation from a igif.
@@ -814,8 +814,8 @@ static inline int fid_is_zero(const struct lu_fid *fid)
 	return fid_seq(fid) == 0 && fid_oid(fid) == 0;
 }
 
-extern void lustre_swab_lu_fid(struct lu_fid *fid);
-extern void lustre_swab_lu_seq_range(struct lu_seq_range *range);
+void lustre_swab_lu_fid(struct lu_fid *fid);
+void lustre_swab_lu_seq_range(struct lu_seq_range *range);
 
 static inline int lu_fid_eq(const struct lu_fid *f0, const struct lu_fid *f1)
 {
@@ -1131,7 +1131,7 @@ struct ptlrpc_body_v2 {
 	__u64 pb_padding[4];
 };
 
-extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb);
+void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb);
 
 /* message body offset for lustre_msg_v2 */
 /* ptlrpc body offset in all request/reply messages */
@@ -1395,7 +1395,7 @@ struct obd_connect_data {
  * reserve the flag for future use. */
 
 
-extern void lustre_swab_connect(struct obd_connect_data *ocd);
+void lustre_swab_connect(struct obd_connect_data *ocd);
 
 /*
  * Supported checksum algorithms. Up to 32 checksum types are supported.
@@ -1737,10 +1737,10 @@ struct hsm_state_set {
 	__u64	hss_clearmask;
 };
 
-extern void lustre_swab_hsm_user_state(struct hsm_user_state *hus);
-extern void lustre_swab_hsm_state_set(struct hsm_state_set *hss);
+void lustre_swab_hsm_user_state(struct hsm_user_state *hus);
+void lustre_swab_hsm_state_set(struct hsm_state_set *hss);
 
-extern void lustre_swab_obd_statfs (struct obd_statfs *os);
+void lustre_swab_obd_statfs(struct obd_statfs *os);
 
 /* ost_body.data values for OST_BRW */
 
@@ -1780,7 +1780,7 @@ struct obd_ioobj {
 #define ioobj_max_brw_set(ioo, num)					\
 do { (ioo)->ioo_max_brw = ((num) - 1) << IOOBJ_MAX_BRW_BITS; } while (0)
 
-extern void lustre_swab_obd_ioobj (struct obd_ioobj *ioo);
+void lustre_swab_obd_ioobj(struct obd_ioobj *ioo);
 
 /* multiple of 8 bytes => can array */
 struct niobuf_remote {
@@ -1789,7 +1789,7 @@ struct niobuf_remote {
 	__u32 flags;
 };
 
-extern void lustre_swab_niobuf_remote (struct niobuf_remote *nbr);
+void lustre_swab_niobuf_remote(struct niobuf_remote *nbr);
 
 /* lock value block communicated between the filter and llite */
 
@@ -1811,7 +1811,7 @@ struct ost_lvb_v1 {
 	__u64		lvb_blocks;
 };
 
-extern void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb);
+void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb);
 
 struct ost_lvb {
 	__u64		lvb_size;
@@ -1825,7 +1825,7 @@ struct ost_lvb {
 	__u32		lvb_padding;
 };
 
-extern void lustre_swab_ost_lvb(struct ost_lvb *lvb);
+void lustre_swab_ost_lvb(struct ost_lvb *lvb);
 
 /*
  *   lquota data structures
@@ -1864,7 +1864,7 @@ struct obd_quotactl {
 	struct obd_dqblk	qc_dqblk;
 };
 
-extern void lustre_swab_obd_quotactl(struct obd_quotactl *q);
+void lustre_swab_obd_quotactl(struct obd_quotactl *q);
 
 #define Q_QUOTACHECK	0x800100 /* deprecated as of 2.4 */
 #define Q_INITQUOTA	0x800101 /* deprecated as of 2.4  */
@@ -1913,7 +1913,7 @@ struct quota_body {
 #define QUOTA_DQACQ_FL_REL	0x4  /* release quota */
 #define QUOTA_DQACQ_FL_REPORT	0x8  /* report usage */
 
-extern void lustre_swab_quota_body(struct quota_body *b);
+void lustre_swab_quota_body(struct quota_body *b);
 
 /* Quota types currently supported */
 enum {
@@ -1993,7 +1993,7 @@ struct lquota_lvb {
 	__u64	lvb_pad1;
 };
 
-extern void lustre_swab_lquota_lvb(struct lquota_lvb *lvb);
+void lustre_swab_lquota_lvb(struct lquota_lvb *lvb);
 
 /* LVB used with global quota lock */
 #define lvb_glb_ver  lvb_id_may_rel /* current version of the global index */
@@ -2072,7 +2072,7 @@ typedef enum {
 	REINT_MAX
 } mds_reint_t, mdt_reint_t;
 
-extern void lustre_swab_generic_32s (__u32 *val);
+void lustre_swab_generic_32s(__u32 *val);
 
 /* the disposition of the intent outlines what was executed */
 #define DISP_IT_EXECD	0x00000001
@@ -2112,7 +2112,7 @@ extern void lustre_swab_generic_32s (__u32 *val);
 /* This FULL lock is useful to take on unlink sort of operations */
 #define MDS_INODELOCK_FULL ((1<<(MDS_INODELOCK_MAXSHIFT+1))-1)
 
-extern void lustre_swab_ll_fid (struct ll_fid *fid);
+void lustre_swab_ll_fid(struct ll_fid *fid);
 
 /* NOTE: until Lustre 1.8.7/2.1.1 the fid_ver() was packed into name[2],
  * but was moved into name[1] along with the OID to avoid consuming the
@@ -2231,7 +2231,7 @@ struct mdt_body {
 	__u64	  padding_10;
 }; /* 216 */
 
-extern void lustre_swab_mdt_body (struct mdt_body *b);
+void lustre_swab_mdt_body(struct mdt_body *b);
 
 struct mdt_ioepoch {
 	struct lustre_handle handle;
@@ -2240,7 +2240,7 @@ struct mdt_ioepoch {
 	__u32  padding;
 };
 
-extern void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b);
+void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b);
 
 /* permissions for md_perm.mp_perm */
 enum {
@@ -2264,7 +2264,7 @@ struct mdt_remote_perm {
 	__u32	   rp_padding;
 };
 
-extern void lustre_swab_mdt_remote_perm(struct mdt_remote_perm *p);
+void lustre_swab_mdt_remote_perm(struct mdt_remote_perm *p);
 
 struct mdt_rec_setattr {
 	__u32	   sa_opcode;
@@ -2294,7 +2294,7 @@ struct mdt_rec_setattr {
 	__u32	   sa_padding_5;
 };
 
-extern void lustre_swab_mdt_rec_setattr (struct mdt_rec_setattr *sa);
+void lustre_swab_mdt_rec_setattr(struct mdt_rec_setattr *sa);
 
 /*
  * Attribute flags used in mdt_rec_setattr::sa_valid.
@@ -2584,7 +2584,7 @@ struct mdt_rec_reint {
 	__u32	   rr_padding_4; /* also fix lustre_swab_mdt_rec_reint */
 };
 
-extern void lustre_swab_mdt_rec_reint(struct mdt_rec_reint *rr);
+void lustre_swab_mdt_rec_reint(struct mdt_rec_reint *rr);
 
 struct lmv_desc {
 	__u32 ld_tgt_count;		/* how many MDS's */
@@ -2600,7 +2600,7 @@ struct lmv_desc {
 	struct obd_uuid ld_uuid;
 };
 
-extern void lustre_swab_lmv_desc (struct lmv_desc *ld);
+void lustre_swab_lmv_desc(struct lmv_desc *ld);
 
 /* TODO: lmv_stripe_md should contain mds capabilities for all slave fids */
 struct lmv_stripe_md {
@@ -2612,7 +2612,7 @@ struct lmv_stripe_md {
 	struct lu_fid mea_ids[0];
 };
 
-extern void lustre_swab_lmv_stripe_md(struct lmv_stripe_md *mea);
+void lustre_swab_lmv_stripe_md(struct lmv_stripe_md *mea);
 
 /* lmv structures */
 #define MEA_MAGIC_LAST_CHAR      0xb2221ca1
@@ -2670,7 +2670,7 @@ struct lov_desc {
 
 #define ld_magic ld_active_tgt_count       /* for swabbing from llogs */
 
-extern void lustre_swab_lov_desc (struct lov_desc *ld);
+void lustre_swab_lov_desc(struct lov_desc *ld);
 
 /*
  *   LDLM requests:
@@ -2697,7 +2697,7 @@ struct ldlm_res_id {
 #define PLDLMRES(res)	(res)->lr_name.name[0], (res)->lr_name.name[1], \
 			(res)->lr_name.name[2], (res)->lr_name.name[3]
 
-extern void lustre_swab_ldlm_res_id (struct ldlm_res_id *id);
+void lustre_swab_ldlm_res_id(struct ldlm_res_id *id);
 
 static inline int ldlm_res_eq(const struct ldlm_res_id *res0,
 			      const struct ldlm_res_id *res1)
@@ -2774,19 +2774,19 @@ typedef union {
 	struct ldlm_inodebits l_inodebits;
 } ldlm_wire_policy_data_t;
 
-extern void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d);
+void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t *d);
 
 union ldlm_gl_desc {
 	struct ldlm_gl_lquota_desc	lquota_desc;
 };
 
-extern void lustre_swab_gl_desc(union ldlm_gl_desc *);
+void lustre_swab_gl_desc(union ldlm_gl_desc *);
 
 struct ldlm_intent {
 	__u64 opc;
 };
 
-extern void lustre_swab_ldlm_intent (struct ldlm_intent *i);
+void lustre_swab_ldlm_intent(struct ldlm_intent *i);
 
 struct ldlm_resource_desc {
 	ldlm_type_t lr_type;
@@ -2794,7 +2794,7 @@ struct ldlm_resource_desc {
 	struct ldlm_res_id lr_name;
 };
 
-extern void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r);
+void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r);
 
 struct ldlm_lock_desc {
 	struct ldlm_resource_desc l_resource;
@@ -2803,7 +2803,7 @@ struct ldlm_lock_desc {
 	ldlm_wire_policy_data_t l_policy_data;
 };
 
-extern void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l);
+void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l);
 
 #define LDLM_LOCKREQ_HANDLES 2
 #define LDLM_ENQUEUE_CANCEL_OFF 1
@@ -2815,7 +2815,7 @@ struct ldlm_request {
 	struct lustre_handle lock_handle[LDLM_LOCKREQ_HANDLES];
 };
 
-extern void lustre_swab_ldlm_request (struct ldlm_request *rq);
+void lustre_swab_ldlm_request(struct ldlm_request *rq);
 
 /* If LDLM_ENQUEUE, 1 slot is already occupied, 1 is available.
  * Otherwise, 2 are available. */
@@ -2837,7 +2837,7 @@ struct ldlm_reply {
 	__u64  lock_policy_res2;
 };
 
-extern void lustre_swab_ldlm_reply (struct ldlm_reply *r);
+void lustre_swab_ldlm_reply(struct ldlm_reply *r);
 
 #define ldlm_flags_to_wire(flags)    ((__u32)(flags))
 #define ldlm_flags_from_wire(flags)  ((__u64)(flags))
@@ -2881,7 +2881,8 @@ struct mgs_target_info {
 	__u64	    mti_nids[MTI_NIDS_MAX];     /* host nids (lnet_nid_t)*/
 	char	     mti_params[MTI_PARAM_MAXLEN];
 };
-extern void lustre_swab_mgs_target_info(struct mgs_target_info *oinfo);
+
+void lustre_swab_mgs_target_info(struct mgs_target_info *oinfo);
 
 struct mgs_nidtbl_entry {
 	__u64	   mne_version;    /* table version of this entry */
@@ -2896,7 +2897,8 @@ struct mgs_nidtbl_entry {
 		lnet_nid_t nids[0];     /* variable size buffer for NIDs. */
 	} u;
 };
-extern void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *oinfo);
+
+void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *oinfo);
 
 struct mgs_config_body {
 	char     mcb_name[MTI_NAME_MAXLEN]; /* logname */
@@ -2906,13 +2908,15 @@ struct mgs_config_body {
 	__u8     mcb_bits;      /* bits unit size of config log */
 	__u32    mcb_units;     /* # of units for bulk transfer */
 };
-extern void lustre_swab_mgs_config_body(struct mgs_config_body *body);
+
+void lustre_swab_mgs_config_body(struct mgs_config_body *body);
 
 struct mgs_config_res {
 	__u64    mcr_offset;    /* index of last config log */
 	__u64    mcr_size;      /* size of the log */
 };
-extern void lustre_swab_mgs_config_res(struct mgs_config_res *body);
+
+void lustre_swab_mgs_config_res(struct mgs_config_res *body);
 
 /* Config marker flags (in config log) */
 #define CM_START       0x01
@@ -2933,8 +2937,7 @@ struct cfg_marker {
 	char	      cm_comment[MTI_NAME_MAXLEN];
 };
 
-extern void lustre_swab_cfg_marker(struct cfg_marker *marker,
-				   int swab, int size);
+void lustre_swab_cfg_marker(struct cfg_marker *marker, int swab, int size);
 
 /*
  * Opcodes for multiple servers.
@@ -3334,7 +3337,7 @@ static inline void lustre_get_wire_obdo(struct obd_connect_data *ocd,
 	}
 }
 
-extern void lustre_swab_obdo (struct obdo *o);
+void lustre_swab_obdo(struct obdo *o);
 
 /* request structure for OST's */
 struct ost_body {
@@ -3348,25 +3351,25 @@ struct ll_fiemap_info_key {
 	struct  ll_user_fiemap fiemap;
 };
 
-extern void lustre_swab_ost_body (struct ost_body *b);
-extern void lustre_swab_ost_last_id(__u64 *id);
-extern void lustre_swab_fiemap(struct ll_user_fiemap *fiemap);
+void lustre_swab_ost_body(struct ost_body *b);
+void lustre_swab_ost_last_id(__u64 *id);
+void lustre_swab_fiemap(struct ll_user_fiemap *fiemap);
 
-extern void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum);
-extern void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum);
-extern void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
-					    int stripe_count);
-extern void lustre_swab_lov_mds_md(struct lov_mds_md *lmm);
+void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum);
+void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum);
+void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
+				     int stripe_count);
+void lustre_swab_lov_mds_md(struct lov_mds_md *lmm);
 
 /* llog_swab.c */
-extern void lustre_swab_llogd_body (struct llogd_body *d);
-extern void lustre_swab_llog_hdr (struct llog_log_hdr *h);
-extern void lustre_swab_llogd_conn_body (struct llogd_conn_body *d);
-extern void lustre_swab_llog_rec(struct llog_rec_hdr *rec);
-extern void lustre_swab_llog_id(struct llog_logid *lid);
+void lustre_swab_llogd_body(struct llogd_body *d);
+void lustre_swab_llog_hdr(struct llog_log_hdr *h);
+void lustre_swab_llogd_conn_body(struct llogd_conn_body *d);
+void lustre_swab_llog_rec(struct llog_rec_hdr *rec);
+void lustre_swab_llog_id(struct llog_logid *lid);
 
 struct lustre_cfg;
-extern void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg);
+void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg);
 
 /* Functions for dumping PTLRPC fields */
 void dump_rniobuf(struct niobuf_remote *rnb);
@@ -3418,7 +3421,8 @@ struct idx_info {
 	__u64		ii_pad2;
 	__u64		ii_pad3;
 };
-extern void lustre_swab_idx_info(struct idx_info *ii);
+
+void lustre_swab_idx_info(struct idx_info *ii);
 
 #define II_END_OFF	MDS_DIR_END_OFF /* all entries have been read */
 
@@ -3450,7 +3454,8 @@ struct lu_idxpage {
 	 * For the time being, we only support fixed-size key & record. */
 	char	lip_entries[0];
 };
-extern void lustre_swab_lip_header(struct lu_idxpage *lip);
+
+void lustre_swab_lip_header(struct lu_idxpage *lip);
 
 #define LIP_HDR_SIZE (offsetof(struct lu_idxpage, lip_entries))
 
@@ -3490,7 +3495,7 @@ struct lustre_capa {
 	__u8	    lc_hmac[CAPA_HMAC_MAX_LEN];   /** HMAC */
 } __attribute__((packed));
 
-extern void lustre_swab_lustre_capa(struct lustre_capa *c);
+void lustre_swab_lustre_capa(struct lustre_capa *c);
 
 /** lustre_capa::lc_opc */
 enum {
@@ -3548,7 +3553,7 @@ struct lustre_capa_key {
 	__u8    lk_key[CAPA_HMAC_KEY_MAX_LEN];    /**< key */
 } __attribute__((packed));
 
-extern void lustre_swab_lustre_capa_key(struct lustre_capa_key *k);
+void lustre_swab_lustre_capa_key(struct lustre_capa_key *k);
 
 /** The link ea holds 1 \a link_ea_entry for each hardlink */
 #define LINK_EA_MAGIC 0x11EAF1DFUL
@@ -3620,12 +3625,12 @@ struct hsm_progress_kernel {
 	__u64			hpk_padding2;
 } __attribute__((packed));
 
-extern void lustre_swab_hsm_user_state(struct hsm_user_state *hus);
-extern void lustre_swab_hsm_current_action(struct hsm_current_action *action);
-extern void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk);
-extern void lustre_swab_hsm_user_state(struct hsm_user_state *hus);
-extern void lustre_swab_hsm_user_item(struct hsm_user_item *hui);
-extern void lustre_swab_hsm_request(struct hsm_request *hr);
+void lustre_swab_hsm_user_state(struct hsm_user_state *hus);
+void lustre_swab_hsm_current_action(struct hsm_current_action *action);
+void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk);
+void lustre_swab_hsm_user_state(struct hsm_user_state *hus);
+void lustre_swab_hsm_user_item(struct hsm_user_item *hui);
+void lustre_swab_hsm_request(struct hsm_request *hr);
 
 /**
  * These are object update opcode under UPDATE_OBJ, which is currently
diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h
index e095ada..9b1bb23 100644
--- a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h
+++ b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h
@@ -406,7 +406,7 @@ static inline int lmv_user_md_size(int stripes, int lmm_magic)
 		      stripes * sizeof(struct lmv_user_mds_data);
 }
 
-extern void lustre_swab_lmv_user_md(struct lmv_user_md *lum);
+void lustre_swab_lmv_user_md(struct lmv_user_md *lum);
 
 struct ll_recreate_obj {
 	__u64 lrc_id;
diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h
index f6f4c03..3552546 100644
--- a/drivers/staging/lustre/lustre/include/lustre_dlm.h
+++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h
@@ -1017,7 +1017,7 @@ extern struct obd_ops ldlm_obd_ops;
 
 extern char *ldlm_lockname[];
 extern char *ldlm_typename[];
-extern char *ldlm_it2str(int it);
+char *ldlm_it2str(int it);
 
 /**
  * Just a fancy CDEBUG call with log level preset to LDLM_DEBUG.
diff --git a/drivers/staging/lustre/lustre/include/lustre_export.h b/drivers/staging/lustre/lustre/include/lustre_export.h
index 3b992b4..5189fad 100644
--- a/drivers/staging/lustre/lustre/include/lustre_export.h
+++ b/drivers/staging/lustre/lustre/include/lustre_export.h
@@ -368,8 +368,8 @@ static inline bool imp_connect_disp_stripe(struct obd_import *imp)
 	return ocd->ocd_connect_flags & OBD_CONNECT_DISP_STRIPE;
 }
 
-extern struct obd_export *class_conn2export(struct lustre_handle *conn);
-extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
+struct obd_export *class_conn2export(struct lustre_handle *conn);
+struct obd_device *class_conn2obd(struct lustre_handle *conn);
 
 /** @} export */
 
diff --git a/drivers/staging/lustre/lustre/include/lustre_import.h b/drivers/staging/lustre/lustre/include/lustre_import.h
index dcc8076..5a38f3d 100644
--- a/drivers/staging/lustre/lustre/include/lustre_import.h
+++ b/drivers/staging/lustre/lustre/include/lustre_import.h
@@ -375,8 +375,8 @@ extern unsigned int at_max;
 
 /* genops.c */
 struct obd_export;
-extern struct obd_import *class_exp2cliimp(struct obd_export *);
-extern struct obd_import *class_conn2cliimp(struct lustre_handle *);
+struct obd_import *class_exp2cliimp(struct obd_export *);
+struct obd_import *class_conn2cliimp(struct lustre_handle *);
 
 /** @} import */
 
diff --git a/drivers/staging/lustre/lustre/include/lustre_net.h b/drivers/staging/lustre/lustre/include/lustre_net.h
index 3bb2f8b..48ad60b 100644
--- a/drivers/staging/lustre/lustre/include/lustre_net.h
+++ b/drivers/staging/lustre/lustre/include/lustre_net.h
@@ -2277,18 +2277,18 @@ static inline bool nrs_policy_compat_one(const struct ptlrpc_service *svc,
 
 /* ptlrpc/events.c */
 extern lnet_handle_eq_t ptlrpc_eq_h;
-extern int ptlrpc_uuid_to_peer(struct obd_uuid *uuid,
-			       lnet_process_id_t *peer, lnet_nid_t *self);
+int ptlrpc_uuid_to_peer(struct obd_uuid *uuid,
+			lnet_process_id_t *peer, lnet_nid_t *self);
 /**
  * These callbacks are invoked by LNet when something happened to
  * underlying buffer
  * @{
  */
-extern void request_out_callback(lnet_event_t *ev);
-extern void reply_in_callback(lnet_event_t *ev);
-extern void client_bulk_callback(lnet_event_t *ev);
-extern void request_in_callback(lnet_event_t *ev);
-extern void reply_out_callback(lnet_event_t *ev);
+void request_out_callback(lnet_event_t *ev);
+void reply_in_callback(lnet_event_t *ev);
+void client_bulk_callback(lnet_event_t *ev);
+void request_in_callback(lnet_event_t *ev);
+void reply_out_callback(lnet_event_t *ev);
 /** @} */
 
 /* ptlrpc/connection.c */
@@ -2299,7 +2299,7 @@ int ptlrpc_connection_put(struct ptlrpc_connection *c);
 struct ptlrpc_connection *ptlrpc_connection_addref(struct ptlrpc_connection *);
 int ptlrpc_connection_init(void);
 void ptlrpc_connection_fini(void);
-extern lnet_pid_t ptl_get_pid(void);
+lnet_pid_t ptl_get_pid(void);
 
 /* ptlrpc/niobuf.c */
 /**
diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h
index e1f8b15..87bb2ce 100644
--- a/drivers/staging/lustre/lustre/include/obd_class.h
+++ b/drivers/staging/lustre/lustre/include/obd_class.h
@@ -64,10 +64,10 @@ extern struct obd_device *obd_devs[MAX_OBD_DEVICES];
 extern rwlock_t obd_dev_lock;
 
 /* OBD Operations Declarations */
-extern struct obd_device *class_conn2obd(struct lustre_handle *);
-extern struct obd_device *class_exp2obd(struct obd_export *);
-extern int class_handle_ioctl(unsigned int cmd, unsigned long arg);
-extern int lustre_get_jobid(char *jobid);
+struct obd_device *class_conn2obd(struct lustre_handle *);
+struct obd_device *class_exp2obd(struct obd_export *);
+int class_handle_ioctl(unsigned int cmd, unsigned long arg);
+int lustre_get_jobid(char *jobid);
 
 struct lu_device_type;
 
@@ -139,7 +139,7 @@ int class_add_conn(struct obd_device *obd, struct lustre_cfg *lcfg);
 int class_add_uuid(const char *uuid, __u64 nid);
 
 /*obdecho*/
-extern void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
+void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
 
 #define CFG_F_START     0x01   /* Set when we start updating from a log */
 #define CFG_F_MARKER    0x02   /* We are within a maker */
@@ -1823,8 +1823,8 @@ static inline int md_revalidate_lock(struct obd_export *exp,
 
 /* OBD Metadata Support */
 
-extern int obd_init_caches(void);
-extern void obd_cleanup_caches(void);
+int obd_init_caches(void);
+void obd_cleanup_caches(void);
 
 /* support routines */
 extern struct kmem_cache *obdo_cachep;
@@ -1869,7 +1869,7 @@ extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
 /* obd_mount.c */
 
 /* sysctl.c */
-extern int obd_sysctl_init(void);
+int obd_sysctl_init(void);
 
 /* uuid.c  */
 typedef __u8 class_uuid_t[16];
diff --git a/drivers/staging/lustre/lustre/include/obd_support.h b/drivers/staging/lustre/lustre/include/obd_support.h
index 88e1671..18aec79 100644
--- a/drivers/staging/lustre/lustre/include/obd_support.h
+++ b/drivers/staging/lustre/lustre/include/obd_support.h
@@ -501,7 +501,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
 #define OBD_FAIL_ONCE			   CFS_FAIL_ONCE
 #define OBD_FAILED			      CFS_FAILED
 
-extern void obd_update_maxusage(void);
+void obd_update_maxusage(void);
 
 #define obd_memory_add(size)						  \
 	lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
@@ -520,8 +520,8 @@ extern void obd_update_maxusage(void);
 	lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT,	    \
 				LPROCFS_FIELDS_FLAGS_SUM)
 
-extern __u64 obd_memory_max(void);
-extern __u64 obd_pages_max(void);
+__u64 obd_memory_max(void);
+__u64 obd_pages_max(void);
 
 #define OBD_DEBUG_MEMUSAGE (1)
 
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h
index 6601e6b..fa4b7c7 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h
@@ -209,7 +209,7 @@ struct ldlm_state {
 
 /* interval tree, for LDLM_EXTENT. */
 extern struct kmem_cache *ldlm_interval_slab; /* slab cache for ldlm_interval */
-extern void ldlm_interval_attach(struct ldlm_interval *n, struct ldlm_lock *l);
+void ldlm_interval_attach(struct ldlm_interval *n, struct ldlm_lock *l);
 struct ldlm_interval *ldlm_interval_detach(struct ldlm_lock *l);
 struct ldlm_interval *ldlm_interval_alloc(struct ldlm_lock *lock);
 void ldlm_interval_free(struct ldlm_interval *node);
diff --git a/drivers/staging/lustre/lustre/libcfs/tracefile.h b/drivers/staging/lustre/lustre/libcfs/tracefile.h
index 8d993f4..e931f6d 100644
--- a/drivers/staging/lustre/lustre/libcfs/tracefile.h
+++ b/drivers/staging/lustre/lustre/libcfs/tracefile.h
@@ -47,7 +47,7 @@
 extern char      cfs_tracefile[TRACEFILE_NAME_SIZE];
 extern long long cfs_tracefile_size;
 
-extern void libcfs_run_debug_log_upcall(char *file);
+void libcfs_run_debug_log_upcall(char *file);
 
 int  cfs_tracefile_init_arch(void);
 void cfs_tracefile_fini_arch(void);
@@ -79,11 +79,11 @@ int cfs_trace_daemon_command_usrstr(void __user *usr_str, int usr_str_nob);
 int cfs_trace_set_debug_mb(int mb);
 int cfs_trace_get_debug_mb(void);
 
-extern void libcfs_debug_dumplog_internal(void *arg);
-extern void libcfs_register_panic_notifier(void);
-extern void libcfs_unregister_panic_notifier(void);
+void libcfs_debug_dumplog_internal(void *arg);
+void libcfs_register_panic_notifier(void);
+void libcfs_unregister_panic_notifier(void);
 extern int  libcfs_panic_in_progress;
-extern int  cfs_trace_max_debug_mb(void);
+int cfs_trace_max_debug_mb(void);
 
 #define TCD_MAX_PAGES (5 << (20 - PAGE_CACHE_SHIFT))
 #define TCD_STOCK_PAGES (TCD_MAX_PAGES)
@@ -252,15 +252,15 @@ struct cfs_trace_page {
 	unsigned short       type;
 };
 
-extern void cfs_set_ptldebug_header(struct ptldebug_header *header,
-				    struct libcfs_debug_msg_data *m,
-				    unsigned long stack);
-extern void cfs_print_to_console(struct ptldebug_header *hdr, int mask,
-				 const char *buf, int len, const char *file,
-				 const char *fn);
+void cfs_set_ptldebug_header(struct ptldebug_header *header,
+			     struct libcfs_debug_msg_data *m,
+			     unsigned long stack);
+void cfs_print_to_console(struct ptldebug_header *hdr, int mask,
+			  const char *buf, int len, const char *file,
+			  const char *fn);
 
-extern int cfs_trace_lock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
-extern void cfs_trace_unlock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
+int cfs_trace_lock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
+void cfs_trace_unlock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
 
 /**
  * trace_buf_type_t, trace_buf_idx_get() and trace_console_buffers[][]
@@ -270,7 +270,7 @@ extern void cfs_trace_unlock_tcd(struct cfs_trace_cpu_data *tcd, int walking);
  */
 
 extern char *cfs_trace_console_buffers[NR_CPUS][CFS_TCD_TYPE_MAX];
-extern cfs_trace_buf_type_t cfs_trace_buf_idx_get(void);
+cfs_trace_buf_type_t cfs_trace_buf_idx_get(void);
 
 static inline char *
 cfs_trace_get_console_buffer(void)
@@ -313,8 +313,8 @@ int cfs_trace_refill_stock(struct cfs_trace_cpu_data *tcd, gfp_t gfp,
 int cfs_tcd_owns_tage(struct cfs_trace_cpu_data *tcd,
 		      struct cfs_trace_page *tage);
 
-extern void cfs_trace_assertion_failed(const char *str,
-				       struct libcfs_debug_msg_data *m);
+void cfs_trace_assertion_failed(const char *str,
+				struct libcfs_debug_msg_data *m);
 
 /* ASSERTION that is safe to use within the debug system */
 #define __LASSERT(cond)						 \
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index f097d4d..610dc56 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -711,11 +711,11 @@ extern struct file_operations ll_file_operations;
 extern struct file_operations ll_file_operations_flock;
 extern struct file_operations ll_file_operations_noflock;
 extern struct inode_operations ll_file_inode_operations;
-extern int ll_have_md_lock(struct inode *inode, __u64 *bits,
-			   ldlm_mode_t l_req_mode);
-extern ldlm_mode_t ll_take_md_lock(struct inode *inode, __u64 bits,
-				   struct lustre_handle *lockh, __u64 flags,
-				   ldlm_mode_t mode);
+int ll_have_md_lock(struct inode *inode, __u64 *bits,
+		    ldlm_mode_t l_req_mode);
+ldlm_mode_t ll_take_md_lock(struct inode *inode, __u64 bits,
+			    struct lustre_handle *lockh, __u64 flags,
+			    ldlm_mode_t mode);
 int ll_file_open(struct inode *inode, struct file *file);
 int ll_file_release(struct inode *inode, struct file *file);
 int ll_glimpse_ioctl(struct ll_sb_info *sbi,
@@ -1376,9 +1376,9 @@ static inline void cl_stats_tally(struct cl_device *dev, enum cl_req_type crt,
 	ll_stats_ops_tally(ll_s2sbi(cl2ccc_dev(dev)->cdv_sb), opc, rc);
 }
 
-extern ssize_t ll_direct_rw_pages(const struct lu_env *env, struct cl_io *io,
-				  int rw, struct inode *inode,
-				  struct ll_dio_pages *pv);
+ssize_t ll_direct_rw_pages(const struct lu_env *env, struct cl_io *io,
+			   int rw, struct inode *inode,
+			   struct ll_dio_pages *pv);
 
 static inline int ll_file_nolock(const struct file *file)
 {
-- 
2.1.2

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