smb: smbdirect: introduce smbdirect_socket.first_error

This will be used when a connected conection gets the first error.

Cc: Steve French <[email protected]>
Cc: Tom Talpey <[email protected]>
Cc: Long Li <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Stefan Metzmacher <[email protected]>
Signed-off-by: Steve French <[email protected]>

Author: metze-samba

fs/smb/common/smbdirect/smbdirect_socket.h

@@ -83,6 +83,7 @@ enum smbdirect_keepalive_status {
 struct smbdirect_socket {
 	enum smbdirect_socket_status status;
 	wait_queue_head_t status_wait;
+	int first_error;
 
 	/*
 	 * This points to the workqueue to