smb: client: remove unused smbd_connection.count_reassembly_queue

This basically represents the same information as
sc->recv_io.reassembly.queue_length.

The only thing that's different is that
smbd_connection.count_reassembly_queue was updated in each
loop step, while sc->recv_io.reassembly.queue_length is only
updated once after the loop in smbd_recv.
Also sc->recv_io.reassembly.queue_length is updated under
a spinlock.

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

@@ -482,12 +482,11 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 			server->smbd_conn->count_get_receive_buffer,
 			server->smbd_conn->count_put_receive_buffer,
 			server->smbd_conn->count_send_empty);
-		seq_printf(m, "\nRead Queue count_reassembly_queue: %u "
+		seq_printf(m, "\nRead Queue "
 			"count_enqueue_reassembly_queue: %u "
 			"count_dequeue_reassembly_queue: %u "
 			"reassembly_data_length: %u "
 			"reassembly_queue_length: %u",
-			server->smbd_conn->count_reassembly_queue,
 			server->smbd_conn->count_enqueue_reassembly_queue,
 			server->smbd_conn->count_dequeue_reassembly_queue,
 			sc->recv_io.reassembly.data_length,

fs/smb/client/smbdirect.c

@@ -1353,7 +1353,6 @@ static void enqueue_reassembly(
 	virt_wmb();
 	sc->recv_io.reassembly.data_length += data_length;
 	spin_unlock(&sc->recv_io.reassembly.lock);
-	info->count_reassembly_queue++;
 	info->count_enqueue_reassembly_queue++;
 }
 
@@ -2079,7 +2078,6 @@ int smbd_recv(struct smbd_connection *info, struct msghdr *msg)
 						&sc->recv_io.reassembly.lock);
 				}
 				queue_removed++;
-				info->count_reassembly_queue--;
 				info->count_dequeue_reassembly_queue++;
 				put_receive_buffer(info, response);
 				offset = 0;

fs/smb/client/smbdirect.h

@@ -66,7 +66,6 @@ struct smbd_connection {
 	/* for debug purposes */
 	unsigned int count_get_receive_buffer;
 	unsigned int count_put_receive_buffer;
-	unsigned int count_reassembly_queue;
 	unsigned int count_enqueue_reassembly_queue;
 	unsigned int count_dequeue_reassembly_queue;
 	unsigned int count_send_empty;