smb: client: make use of smbdirect_socket.statistics

This will allow us to use common functions soon.

Note this generates the following warnings from
scripts/checkpatch.pl --quiet:

 WARNING: quoted string split across lines
 #59: FILE: fs/smb/client/cifs_debug.c:481:
 +               seq_printf(m, "\nDebug count_get_receive_buffer: %llu "
 +                       "count_put_receive_buffer: %llu count_send_empty: %llu",

 WARNING: quoted string split across lines
 #66: FILE: fs/smb/client/cifs_debug.c:486:
                 seq_printf(m, "\nRead Queue "
 +                       "count_enqueue_reassembly_queue: %llu "

 WARNING: quoted string split across lines
 #67: FILE: fs/smb/client/cifs_debug.c:487:
 +                       "count_enqueue_reassembly_queue: %llu "
 +                       "count_dequeue_reassembly_queue: %llu "

 total: 0 errors, 3 warnings, 83 lines checked
 scripts/checkpatch.pl: FAILED

But I left them in there, because it matches the code
arround it...

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: metze-samba

fs/smb/client/cifs_debug.c

@@ -477,18 +477,18 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 			sp->keepalive_interval_msec * 1000,
 			sp->max_read_write_size,
 			server->smbd_conn->rdma_readwrite_threshold);
-		seq_printf(m, "\nDebug count_get_receive_buffer: %u "
-			"count_put_receive_buffer: %u count_send_empty: %u",
-			server->smbd_conn->count_get_receive_buffer,
-			server->smbd_conn->count_put_receive_buffer,
-			server->smbd_conn->count_send_empty);
+		seq_printf(m, "\nDebug count_get_receive_buffer: %llu "
+			"count_put_receive_buffer: %llu count_send_empty: %llu",
+			sc->statistics.get_receive_buffer,
+			sc->statistics.put_receive_buffer,
+			sc->statistics.send_empty);
 		seq_printf(m, "\nRead Queue "
-			"count_enqueue_reassembly_queue: %u "
-			"count_dequeue_reassembly_queue: %u "
+			"count_enqueue_reassembly_queue: %llu "
+			"count_dequeue_reassembly_queue: %llu "
 			"reassembly_data_length: %u "
 			"reassembly_queue_length: %u",
-			server->smbd_conn->count_enqueue_reassembly_queue,
-			server->smbd_conn->count_dequeue_reassembly_queue,
+			sc->statistics.enqueue_reassembly_queue,
+			sc->statistics.dequeue_reassembly_queue,
 			sc->recv_io.reassembly.data_length,
 			sc->recv_io.reassembly.queue_length);
 		seq_printf(m, "\nCurrent Credits send_credits: %u "

fs/smb/client/smbdirect.c

@@ -1212,9 +1212,10 @@ static int smbd_post_send_iter(struct smbd_connection *info,
  */
 static int smbd_post_send_empty(struct smbd_connection *info)
 {
+	struct smbdirect_socket *sc = &info->socket;
 	int remaining_data_length = 0;
 
-	info->count_send_empty++;
+	sc->statistics.send_empty++;
 	return smbd_post_send_iter(info, NULL, &remaining_data_length);
 }
 
@@ -1353,7 +1354,7 @@ static void enqueue_reassembly(
 	virt_wmb();
 	sc->recv_io.reassembly.data_length += data_length;
 	spin_unlock(&sc->recv_io.reassembly.lock);
-	info->count_enqueue_reassembly_queue++;
+	sc->statistics.enqueue_reassembly_queue++;
 }
 
 /*
@@ -1392,7 +1393,7 @@ static struct smbdirect_recv_io *get_receive_buffer(struct smbd_connection *info
 			&sc->recv_io.free.list,
 			struct smbdirect_recv_io, list);
 		list_del(&ret->list);
-		info->count_get_receive_buffer++;
+		sc->statistics.get_receive_buffer++;
 	}
 	spin_unlock_irqrestore(&sc->recv_io.free.lock, flags);
 
@@ -1421,7 +1422,7 @@ static void put_receive_buffer(
 
 	spin_lock_irqsave(&sc->recv_io.free.lock, flags);
 	list_add_tail(&response->list, &sc->recv_io.free.list);
-	info->count_put_receive_buffer++;
+	sc->statistics.put_receive_buffer++;
 	spin_unlock_irqrestore(&sc->recv_io.free.lock, flags);
 
 	queue_work(info->workqueue, &sc->recv_io.posted.refill_work);
@@ -2078,7 +2079,7 @@ int smbd_recv(struct smbd_connection *info, struct msghdr *msg)
 						&sc->recv_io.reassembly.lock);
 				}
 				queue_removed++;
-				info->count_dequeue_reassembly_queue++;
+				sc->statistics.dequeue_reassembly_queue++;
 				put_receive_buffer(info, response);
 				offset = 0;
 				log_read(INFO, "put_receive_buffer offset=0\n");

fs/smb/client/smbdirect.h

@@ -62,13 +62,6 @@ struct smbd_connection {
 	wait_queue_head_t wait_for_mr_cleanup;
 
 	struct workqueue_struct *workqueue;
-
-	/* for debug purposes */
-	unsigned int count_get_receive_buffer;
-	unsigned int count_put_receive_buffer;
-	unsigned int count_enqueue_reassembly_queue;
-	unsigned int count_dequeue_reassembly_queue;
-	unsigned int count_send_empty;
 };
 
 /* Create a SMBDirect session */