diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_erp.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 464f0473877..788fd3a4cd2 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -174,7 +174,7 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, switch (need) { case ZFCP_ERP_ACTION_REOPEN_UNIT: - zfcp_unit_get(unit); + get_device(&unit->sysfs_device); atomic_set_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &unit->status); erp_action = &unit->erp_action; if (!(atomic_read(&unit->status) & ZFCP_STATUS_COMMON_RUNNING)) @@ -183,7 +183,7 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, case ZFCP_ERP_ACTION_REOPEN_PORT: case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED: - zfcp_port_get(port); + get_device(&port->sysfs_device); zfcp_erp_action_dismiss_port(port); atomic_set_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &port->status); erp_action = &port->erp_action; @@ -192,7 +192,7 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, break; case ZFCP_ERP_ACTION_REOPEN_ADAPTER: - zfcp_adapter_get(adapter); + kref_get(&adapter->ref); zfcp_erp_action_dismiss_adapter(adapter); atomic_set_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status); erp_action = &adapter->erp_action; @@ -1177,19 +1177,19 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) switch (act->action) { case ZFCP_ERP_ACTION_REOPEN_UNIT: if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) { - zfcp_unit_get(unit); + get_device(&unit->sysfs_device); if (scsi_queue_work(unit->port->adapter->scsi_host, &unit->scsi_work) <= 0) - zfcp_unit_put(unit); + put_device(&unit->sysfs_device); } - zfcp_unit_put(unit); + put_device(&unit->sysfs_device); break; case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED: case ZFCP_ERP_ACTION_REOPEN_PORT: if (result == ZFCP_ERP_SUCCEEDED) zfcp_scsi_schedule_rport_register(port); - zfcp_port_put(port); + put_device(&port->sysfs_device); break; case ZFCP_ERP_ACTION_REOPEN_ADAPTER: @@ -1198,7 +1198,7 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) schedule_work(&adapter->scan_work); } else unregister_service_level(&adapter->service_level); - zfcp_adapter_put(adapter); + kref_put(&adapter->ref, zfcp_adapter_release); break; } } @@ -1224,8 +1224,9 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action) unsigned long flags; struct zfcp_adapter *adapter = erp_action->adapter; - write_lock_irqsave(&adapter->erp_lock, flags); + kref_get(&adapter->ref); + write_lock_irqsave(&adapter->erp_lock, flags); zfcp_erp_strategy_check_fsfreq(erp_action); if (erp_action->status & ZFCP_STATUS_ERP_DISMISSED) { @@ -1282,6 +1283,7 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action) if (retval != ZFCP_ERP_CONTINUES) zfcp_erp_action_cleanup(erp_action, retval); + kref_put(&adapter->ref, zfcp_adapter_release); return retval; } |