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path: root/drivers/s390/scsi/zfcp_scsi.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 58201e1ae47..e8fbeaeb5fb 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -171,7 +171,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
write_unlock_irqrestore(&adapter->abort_lock, flags);
zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL,
old_req_id);
- return SUCCESS;
+ return FAILED; /* completion could be in progress */
}
old_req->data = NULL;
@@ -486,10 +486,12 @@ static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout)
*/
static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
{
- struct zfcp_port *port = rport->dd_data;
+ struct zfcp_port *port;
write_lock_irq(&zfcp_data.config_lock);
- port->rport = NULL;
+ port = rport->dd_data;
+ if (port)
+ port->rport = NULL;
write_unlock_irq(&zfcp_data.config_lock);
}
@@ -503,9 +505,18 @@ static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
*/
static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
{
- struct zfcp_port *port = rport->dd_data;
+ struct zfcp_port *port;
+
+ write_lock_irq(&zfcp_data.config_lock);
+ port = rport->dd_data;
+ if (port)
+ zfcp_port_get(port);
+ write_unlock_irq(&zfcp_data.config_lock);
- zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL);
+ if (port) {
+ zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL);
+ zfcp_port_put(port);
+ }
}
static void zfcp_scsi_rport_register(struct zfcp_port *port)
@@ -534,8 +545,10 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
static void zfcp_scsi_rport_block(struct zfcp_port *port)
{
- if (port->rport)
- fc_remote_port_delete(port->rport);
+ struct fc_rport *rport = port->rport;
+
+ if (rport)
+ fc_remote_port_delete(rport);
}
void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
@@ -583,6 +596,23 @@ void zfcp_scsi_rport_work(struct work_struct *work)
}
+void zfcp_scsi_scan(struct work_struct *work)
+{
+ struct zfcp_unit *unit = container_of(work, struct zfcp_unit,
+ scsi_work);
+ struct fc_rport *rport;
+
+ flush_work(&unit->port->rport_work);
+ rport = unit->port->rport;
+
+ if (rport && rport->port_state == FC_PORTSTATE_ONLINE)
+ scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
+ scsilun_to_int((struct scsi_lun *)
+ &unit->fcp_lun), 0);
+
+ zfcp_unit_put(unit);
+}
+
struct fc_function_template zfcp_transport_functions = {
.show_starget_port_id = 1,
.show_starget_port_name = 1,