Mike Christie wrote:
> I went a different way. In the attached patch we detect the problem when
> binding and will force a disconnect of the old ep before binding a new one.
> Try it out and let me know.
> --- a/drivers/scsi/iscsi_tcp.c
> +++ b/drivers/scsi/iscsi_tcp.c
> @@ -651,8 +651,7 @@ free_addr:
>
> static int
> iscsi_sw_tcp_conn_bind(struct iscsi_cls_session *cls_session,
> - struct iscsi_cls_conn *cls_conn, uint64_t transport_eph,
> - int is_leading)
> + struct iscsi_cls_conn *cls_conn, uint64_t transport_eph)
> {
> struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
> struct iscsi_host *ihost = shost_priv(shost);
> @@ -685,7 +684,7 @@ iscsi_sw_tcp_conn_bind(struct iscsi_cls_session
> *cls_session,
> if (err)
> goto free_socket;
>
> - err = iscsi_conn_bind(cls_session, cls_conn, is_leading);
> + err = iscsi_conn_bind(cls_session, cls_conn, NULL);
should this be transport_eph instead of NULL?
> --- a/drivers/scsi/libiscsi.c
> +++ b/drivers/scsi/libiscsi.c
> @@ -3137,16 +3137,18 @@ void iscsi_conn_stop(struct iscsi_cls_conn *cls_conn,
> int flag)
> EXPORT_SYMBOL_GPL(iscsi_conn_stop);
>
> int iscsi_conn_bind(struct iscsi_cls_session *cls_session,
> - struct iscsi_cls_conn *cls_conn, int is_leading)
> + struct iscsi_cls_conn *cls_conn,
> + struct iscsi_endpoint *ep)
> {
> struct iscsi_session *session = cls_session->dd_data;
> struct iscsi_conn *conn = cls_conn->dd_data;
>
> spin_lock_bh(&session->lock);
> - if (is_leading)
> - session->leadconn = conn;
> + session->leadconn = conn;
> spin_unlock_bh(&session->lock);
>
> + ep->conn = cls_conn;
> + cls_conn->ep = ep;
if not, it doesn't look like ep can be null here...
> --- a/include/scsi/libiscsi.h
> +++ b/include/scsi/libiscsi.h
> @@ -388,7 +388,7 @@ extern void iscsi_conn_teardown(struct iscsi_cls_conn *);
> extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn
> *,
> - int);
> + struct iscsi_endpoint *);
> --- a/include/scsi/scsi_transport_iscsi.h
> +++ b/include/scsi/scsi_transport_iscsi.h
> @@ -95,7 +95,7 @@ struct iscsi_transport {
> uint32_t cid);
> int (*bind_conn) (struct iscsi_cls_session *session,
> struct iscsi_cls_conn *cls_conn,
> - uint64_t transport_eph, int is_leading);
> + uint64_t transport_eph);
so we're implicitly casting from u64 to ep pointer? I guess this should be fine.
Or.
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