Merge with rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

1 files changed, 41 insertions, 14 deletions

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 4916847d84ec..5866a7c706a8 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -756,7 +756,7 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
                 if (ret == SUCCESS) {
                         if (fcport->flags & FC_FABRIC_DEVICE) {
                                 ha->isp_ops.fabric_logout(ha, fcport->loop_id);
-                                qla2x00_mark_device_lost(ha, fcport);
+                                qla2x00_mark_device_lost(ha, fcport, 0, 0);
                         }
                 }
 #endif
@@ -1642,6 +1642,31 @@ qla2x00_free_device(scsi_qla_host_t *ha)
         pci_disable_device(ha->pdev);
 }
 
+static inline void
+qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
+    int defer)
+{
+        unsigned long flags;
+        struct fc_rport *rport;
+
+        if (!fcport->rport)
+                return;
+
+        rport = fcport->rport;
+        if (defer) {
+                spin_lock_irqsave(&fcport->rport_lock, flags);
+                fcport->drport = rport;
+                fcport->rport = NULL;
+                spin_unlock_irqrestore(&fcport->rport_lock, flags);
+                set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags);
+        } else {
+                spin_lock_irqsave(&fcport->rport_lock, flags);
+                fcport->rport = NULL;
+                spin_unlock_irqrestore(&fcport->rport_lock, flags);
+                fc_remote_port_delete(rport);
+        }
+}
+
 /*
  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
  *
@@ -1652,10 +1677,10 @@ qla2x00_free_device(scsi_qla_host_t *ha)
  * Context:
  */
 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
-    int do_login)
+    int do_login, int defer)
 {
-        if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
-                schedule_work(&fcport->rport_del_work);
+        if (atomic_read(&fcport->state) == FCS_ONLINE)
+                qla2x00_schedule_rport_del(ha, fcport, defer);
 
         /*
          * We may need to retry the login, so don't change the state of the
@@ -1702,7 +1727,7 @@ void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
  * Context:
  */
 void
-qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha)
+qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
 {
         fc_port_t *fcport;
 
@@ -1716,10 +1741,13 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha)
                  */
                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
                         continue;
-                if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
-                        schedule_work(&fcport->rport_del_work);
+                if (atomic_read(&fcport->state) == FCS_ONLINE)
+                        qla2x00_schedule_rport_del(ha, fcport, defer);
                 atomic_set(&fcport->state, FCS_DEVICE_LOST);
         }
+
+        if (defer && ha->dpc_wait && !ha->dpc_active)
+                up(ha->dpc_wait);
 }
 
 /*
@@ -2161,6 +2189,9 @@ qla2x00_do_dpc(void *data)
                             ha->host_no));
                 }
 
+                if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
+                        qla2x00_update_fcports(ha);
+
                 if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
                         DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
                             ha->host_no));
@@ -2219,13 +2250,8 @@ qla2x00_do_dpc(void *data)
                                                 DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
                                                     ha->host_no, fcport->loop_id));
 
-                                                fcport->port_login_retry_count =
-                                                    ha->port_down_retry_count * PORT_RETRY_TIME;
-                                                atomic_set(&fcport->state, FCS_ONLINE);
-                                                atomic_set(&fcport->port_down_timer,
-                                                    ha->port_down_retry_count * PORT_RETRY_TIME);
-
-                                                fcport->login_retry = 0;
+                                                qla2x00_update_fcport(ha,
+                                                    fcport);
                                         } else if (status == 1) {
                                                 set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
                                                 /* retry the login again */
@@ -2469,6 +2495,7 @@ qla2x00_timer(scsi_qla_host_t *ha)
         if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
             test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
             test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
+            test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
             start_dpc ||
             test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
             test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||