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-rw-r--r--drivers/s390/scsi/zfcp_erp.c22
-rw-r--r--drivers/s390/scsi/zfcp_ext.h1
-rw-r--r--drivers/s390/scsi/zfcp_fc.c11
3 files changed, 22 insertions, 12 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 73d366b..f73e218 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -858,10 +858,7 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)
return zfcp_erp_open_ptp_port(act);
if (!port->d_id) {
- zfcp_port_get(port);
- if (!queue_work(adapter->work_queue,
- &port->gid_pn_work))
- zfcp_port_put(port);
+ zfcp_fc_trigger_did_lookup(port);
return ZFCP_ERP_EXIT;
}
return zfcp_erp_port_strategy_open_port(act);
@@ -869,12 +866,11 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
case ZFCP_ERP_STEP_PORT_OPENING:
/* D_ID might have changed during open */
if (p_status & ZFCP_STATUS_COMMON_OPEN) {
- if (port->d_id)
- return ZFCP_ERP_SUCCEEDED;
- else {
- act->step = ZFCP_ERP_STEP_PORT_CLOSING;
- return ZFCP_ERP_CONTINUES;
+ if (!port->d_id) {
+ zfcp_fc_trigger_did_lookup(port);
+ return ZFCP_ERP_EXIT;
}
+ return ZFCP_ERP_SUCCEEDED;
}
if (port->d_id && !(p_status & ZFCP_STATUS_COMMON_NOESC)) {
port->d_id = 0;
@@ -889,19 +885,21 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
static int zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
{
struct zfcp_port *port = erp_action->port;
+ int p_status = atomic_read(&port->status);
- if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC)
+ if ((p_status & ZFCP_STATUS_COMMON_NOESC) &&
+ !(p_status & ZFCP_STATUS_COMMON_OPEN))
goto close_init_done;
switch (erp_action->step) {
case ZFCP_ERP_STEP_UNINITIALIZED:
zfcp_erp_port_strategy_clearstati(port);
- if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)
+ if (p_status & ZFCP_STATUS_COMMON_OPEN)
return zfcp_erp_port_strategy_close(erp_action);
break;
case ZFCP_ERP_STEP_PORT_CLOSING:
- if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)
+ if (p_status & ZFCP_STATUS_COMMON_OPEN)
return ZFCP_ERP_FAILED;
break;
}
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 629edec..b3f28de 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -96,6 +96,7 @@ extern int zfcp_fc_scan_ports(struct zfcp_adapter *);
extern void _zfcp_fc_scan_ports_later(struct work_struct *);
extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
extern void zfcp_fc_port_did_lookup(struct work_struct *);
+extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
extern void zfcp_fc_test_link(struct zfcp_port *);
extern void zfcp_fc_link_test_work(struct work_struct *);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 722f22d..df23bce 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -361,6 +361,17 @@ out:
}
/**
+ * zfcp_fc_trigger_did_lookup - trigger the d_id lookup using a GID_PN request
+ * @port: The zfcp_port to lookup the d_id for.
+ */
+void zfcp_fc_trigger_did_lookup(struct zfcp_port *port)
+{
+ zfcp_port_get(port);
+ if (!queue_work(port->adapter->work_queue, &port->gid_pn_work))
+ zfcp_port_put(port);
+}
+
+/**
* zfcp_fc_plogi_evaluate - evaluate PLOGI playload
* @port: zfcp_port structure
* @plogi: plogi payload