RE: [EXT] Re: scsi: iscsi: Drop suspend calls from ep_disconnect

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> > Hey Manish,
> >
> > Here is a lightly tested patch.
> >
> >
> > diff --git a/drivers/scsi/qedi/qedi_gbl.h
> > b/drivers/scsi/qedi/qedi_gbl.h index
> > fb44a282613e..9f8e8ef405a1 100644
> > --- a/drivers/scsi/qedi/qedi_gbl.h
> > +++ b/drivers/scsi/qedi/qedi_gbl.h
> > @@ -72,6 +72,5 @@ void qedi_remove_sysfs_ctx_attr(struct qedi_ctx
> > *qedi); void qedi_clearsq(struct qedi_ctx *qedi,
> >  		  struct qedi_conn *qedi_conn,
> >  		  struct iscsi_task *task);
> > -void qedi_clear_session_ctx(struct iscsi_cls_session *cls_sess);
> >
> >  #endif
> > diff --git a/drivers/scsi/qedi/qedi_iscsi.c
> > b/drivers/scsi/qedi/qedi_iscsi.c index
> > bf581ecea897..97f83760da88 100644
> > --- a/drivers/scsi/qedi/qedi_iscsi.c
> > +++ b/drivers/scsi/qedi/qedi_iscsi.c
> > @@ -1659,23 +1659,6 @@ void qedi_process_iscsi_error(struct
> > qedi_endpoint *ep,
> >  		qedi_start_conn_recovery(qedi_conn->qedi, qedi_conn);  }
> >
> > -void qedi_clear_session_ctx(struct iscsi_cls_session *cls_sess) -{
> > -	struct iscsi_session *session = cls_sess->dd_data;
> > -	struct iscsi_conn *conn = session->leadconn;
> > -	struct qedi_conn *qedi_conn = conn->dd_data;
> > -
> > -	if (iscsi_is_session_online(cls_sess)) {
> > -		if (conn)
> > -			iscsi_suspend_queue(conn);
> > -		qedi_ep_disconnect(qedi_conn->iscsi_ep);
> > -	}
> > -
> > -	qedi_conn_destroy(qedi_conn->cls_conn);
> > -
> > -	qedi_session_destroy(cls_sess);
> > -}
> > -
> >  void qedi_process_tcp_error(struct qedi_endpoint *ep,
> >  			    struct iscsi_eqe_data *data)
> >  {
> > diff --git a/drivers/scsi/qedi/qedi_main.c
> > b/drivers/scsi/qedi/qedi_main.c index
> > edf915432704..0b0acb827071 100644
> > --- a/drivers/scsi/qedi/qedi_main.c
> > +++ b/drivers/scsi/qedi/qedi_main.c
> > @@ -2417,11 +2417,9 @@ static void __qedi_remove(struct pci_dev *pdev,
> > int
> > mode)
> >  	int rval;
> >  	u16 retry = 10;
> >
> > -	if (mode == QEDI_MODE_SHUTDOWN)
> > -		iscsi_host_for_each_session(qedi->shost,
> > -					    qedi_clear_session_ctx);
> > -
> >  	if (mode == QEDI_MODE_NORMAL || mode ==
> > QEDI_MODE_SHUTDOWN) {
> > +		iscsi_host_remove(qedi->shost);
> > +
> >  		if (qedi->tmf_thread) {
> >  			flush_workqueue(qedi->tmf_thread);
> >  			destroy_workqueue(qedi->tmf_thread);
> > @@ -2482,7 +2480,6 @@ static void __qedi_remove(struct pci_dev *pdev,
> > int
> > mode)
> >  		if (qedi->boot_kset)
> >  			iscsi_boot_destroy_kset(qedi->boot_kset);
> >
> > -		iscsi_host_remove(qedi->shost);
> >  		iscsi_host_free(qedi->shost);
> >  	}
> >  }
> 
> Agree, with your code changes. I will run BFS + shutdown tests with this change,
> and let you know in case hit any issue.
> 
> Thanks,
> Manish

Mike,

No issue observed in mentioned tests.

Thanks,
Manish




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