3 files changed, 2 insertions, 13 deletions

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 94dc0a235919..2a05d955e30b 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -297,10 +297,6 @@ struct drbd_epoch {
 	unsigned long flags;
 };
 
-/* Prototype declaration of function defined in drbd_receiver.c */
-int drbdd_init(struct drbd_thread *);
-int drbd_asender(struct drbd_thread *);
-
 /* drbd_epoch flag bits */
 enum {
 	DE_HAVE_BARRIER_NUMBER,
@@ -864,7 +860,6 @@ struct drbd_device {
 	struct list_head read_ee;   /* [RS]P_DATA_REQUEST being read */
 	struct list_head net_ee;    /* zero-copy network send in progress */
 
-	int next_barrier_nr;
 	struct list_head resync_reads;
 	atomic_t pp_in_use;		/* allocated from page pool */
 	atomic_t pp_in_use_by_net;	/* sendpage()d, still referenced by tcp */
@@ -1390,9 +1385,6 @@ extern void conn_free_crypto(struct drbd_connection *connection);
 extern void do_submit(struct work_struct *ws);
 extern void __drbd_make_request(struct drbd_device *, struct bio *);
 void drbd_submit_bio(struct bio *bio);
-extern int drbd_read_remote(struct drbd_device *device, struct drbd_request *req);
-extern int is_valid_ar_handle(struct drbd_request *, sector_t);
-
 
 /* drbd_nl.c */
 
@@ -1474,7 +1466,6 @@ extern int w_resync_timer(struct drbd_work *, int);
 extern int w_send_write_hint(struct drbd_work *, int);
 extern int w_send_dblock(struct drbd_work *, int);
 extern int w_send_read_req(struct drbd_work *, int);
-extern int w_e_reissue(struct drbd_work *, int);
 extern int w_restart_disk_io(struct drbd_work *, int);
 extern int w_send_out_of_sync(struct drbd_work *, int);
 
@@ -1488,7 +1479,6 @@ extern int drbd_issue_discard_or_zero_out(struct drbd_device *device,
 		sector_t start, unsigned int nr_sectors, int flags);
 extern int drbd_receiver(struct drbd_thread *thi);
 extern int drbd_ack_receiver(struct drbd_thread *thi);
-extern void drbd_send_ping_wf(struct work_struct *ws);
 extern void drbd_send_acks_wf(struct work_struct *ws);
 extern bool drbd_rs_c_min_rate_throttle(struct drbd_device *device);
 extern bool drbd_rs_should_slow_down(struct drbd_peer_device *peer_device, sector_t sector,
@@ -1504,7 +1494,6 @@ extern void __drbd_free_peer_req(struct drbd_device *, struct drbd_peer_request
 #define drbd_free_peer_req(m,e) __drbd_free_peer_req(m, e, 0)
 #define drbd_free_net_peer_req(m,e) __drbd_free_peer_req(m, e, 1)
 extern struct page *drbd_alloc_pages(struct drbd_peer_device *, unsigned int, bool);
-extern void drbd_set_recv_tcq(struct drbd_device *device, int tcq_enabled);
 extern void _drbd_clear_done_ee(struct drbd_device *device, struct list_head *to_be_freed);
 extern int drbd_connected(struct drbd_peer_device *);
 
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index a9e49b212341..449123eb54bf 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1550,7 +1550,7 @@ static int _drbd_send_page(struct drbd_peer_device *peer_device, struct page *pa
 	 * put_page(); and would cause either a VM_BUG directly, or
 	 * __page_cache_release a page that would actually still be referenced
 	 * by someone, leading to some obscure delayed Oops somewhere else. */
-	if (!drbd_disable_sendpage && sendpage_ok(page))
+	if (!drbd_disable_sendpage && sendpages_ok(page, len, offset))
 		msg.msg_flags |= MSG_NOSIGNAL | MSG_SPLICE_PAGES;
 
 	drbd_update_congested(peer_device->connection);
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index e858e7e0383f..c2b6c4d9729d 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -876,7 +876,7 @@ is_valid_state(struct drbd_device *device, union drbd_state ns)
 		  ns.disk == D_OUTDATED)
 		rv = SS_CONNECTED_OUTDATES;
 
-	else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&
+	else if (nc && (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&
 		 (nc->verify_alg[0] == 0))
 		rv = SS_NO_VERIFY_ALG;