smb: client: remove useless smbd_connection.send_immediate

We always set it to true before having an if statement that checks it is
true...

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/smbdirect.c

@@ -563,14 +563,10 @@ static void smbd_post_send_credits(struct work_struct *work)
 	}
 
 	/* Promptly send an immediate packet as defined in [MS-SMBD] 3.1.1.1 */
-	info->send_immediate = true;
 	if (atomic_read(&sc->recv_io.credits.count) <
 		sc->recv_io.credits.target - 1) {
-		if (info->keep_alive_requested == KEEP_ALIVE_PENDING ||
-		    info->send_immediate) {
-			log_keep_alive(INFO, "send an empty message\n");
-			smbd_post_send_empty(info);
-		}
+		log_keep_alive(INFO, "send an empty message\n");
+		smbd_post_send_empty(info);
 	}
 }
 
@@ -1124,8 +1120,6 @@ static int smbd_post_send_iter(struct smbd_connection *info,
 	atomic_add(new_credits, &sc->recv_io.credits.count);
 	packet->credits_granted = cpu_to_le16(new_credits);
 
-	info->send_immediate = false;
-
 	packet->flags = 0;
 	if (manage_keep_alive_before_sending(info))
 		packet->flags |= cpu_to_le16(SMBDIRECT_FLAG_RESPONSE_REQUESTED);

fs/smb/client/smbdirect.h

@@ -74,8 +74,6 @@ struct smbd_connection {
 	/* Used by transport to wait until all MRs are returned */
 	wait_queue_head_t wait_for_mr_cleanup;
 
-	bool send_immediate;
-
 	struct workqueue_struct *workqueue;
 	struct delayed_work idle_timer_work;