[SCSI] zfcp: Report FCP LUN to SCSI midlayer

When reporting SCSI devices to the SCSI midlayer, use the FCP LUN as
LUN reported to the SCSI layer. With this approach, zfcp does not have
to create unique LUNS, and this code can be removed.

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

1 files changed, 3 insertions, 17 deletions

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 821cde65e369..a1db95925138 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -815,9 +815,7 @@ zfcp_get_adapter_by_busid(char *bus_id)
 struct zfcp_unit *
 zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
 {
-        struct zfcp_unit *unit, *tmp_unit;
-        unsigned int scsi_lun;
-        int found;
+        struct zfcp_unit *unit;
 
         /*
          * check that there is no unit with this FCP_LUN already in list
@@ -863,22 +861,10 @@ zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
         }
 
         zfcp_unit_get(unit);
+        unit->scsi_lun = scsilun_to_int((struct scsi_lun *)&unit->fcp_lun);
 
-        scsi_lun = 0;
-        found = 0;
         write_lock_irq(&zfcp_data.config_lock);
-        list_for_each_entry(tmp_unit, &port->unit_list_head, list) {
-                if (tmp_unit->scsi_lun != scsi_lun) {
-                        found = 1;
-                        break;
-                }
-                scsi_lun++;
-        }
-        unit->scsi_lun = scsi_lun;
-        if (found)
-                list_add_tail(&unit->list, &tmp_unit->list);
-        else
-                list_add_tail(&unit->list, &port->unit_list_head);
+        list_add_tail(&unit->list, &port->unit_list_head);
         atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status);
         atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &unit->status);
         write_unlock_irq(&zfcp_data.config_lock);