[SCSI] zfcp: Automatically attach remote ports

Automatically attach the remote ports in zfcp when the adapter is set
online. This is done by querying all available ports from the FC
namesever. The scan for remote ports is also triggered by RSCNs and
can be triggered manually with the sysfs attribute 'port_rescan'.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 01ed5fb46c44..243e792f2407 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -874,6 +874,9 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
                 if (status_buffer->status_subtype &
                     FSF_STATUS_READ_SUB_ACT_UPDATED)
                         zfcp_erp_adapter_access_changed(adapter, 135, fsf_req);
+                if (status_buffer->status_subtype &
+                    FSF_STATUS_READ_SUB_INCOMING_ELS)
+                        schedule_work(&adapter->scan_work);
                 break;
 
         case FSF_STATUS_READ_CFDC_UPDATED: