diff options
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 7 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 2 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 2 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fc.c | 23 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 2 |
5 files changed, 32 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 9646766360d..f2dd3a0a39e 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -57,7 +57,7 @@ static int zfcp_ccw_activate(struct ccw_device *cdev, int clear, char *tag) zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, tag); zfcp_erp_wait(adapter); - flush_work(&adapter->scan_work); + flush_work(&adapter->scan_work); /* ok to call even if nothing queued */ zfcp_ccw_adapter_put(adapter); @@ -171,6 +171,11 @@ static int zfcp_ccw_set_online(struct ccw_device *cdev) adapter->req_no = 0; zfcp_ccw_activate(cdev, 0, "ccsonl1"); + /* scan for remote ports + either at the end of any successful adapter recovery + or only after the adapter recovery for setting a device online */ + zfcp_fc_inverse_conditional_port_scan(adapter); + flush_work(&adapter->scan_work); /* ok to call even if nothing queued */ zfcp_ccw_adapter_put(adapter); return 0; } diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 92d3df6ac8b..4133ab6e20f 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -1230,7 +1230,7 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) case ZFCP_ERP_ACTION_REOPEN_ADAPTER: if (result == ZFCP_ERP_SUCCEEDED) { register_service_level(&adapter->service_level); - queue_work(adapter->work_queue, &adapter->scan_work); + zfcp_fc_conditional_port_scan(adapter); queue_work(adapter->work_queue, &adapter->ns_up_work); } else unregister_service_level(&adapter->service_level); diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 03441a7fb46..1d3dd3f7d69 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -99,6 +99,8 @@ extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *); extern void zfcp_fc_sym_name_update(struct work_struct *); +extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *); +extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *); /* zfcp_fsf.c */ extern struct kmem_cache *zfcp_fsf_qtcb_cache; diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 88688a80b2c..ff598cd68b2 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -26,6 +26,27 @@ static u32 zfcp_fc_rscn_range_mask[] = { [ELS_ADDR_FMT_FAB] = 0x000000, }; +static bool no_auto_port_rescan; +module_param_named(no_auto_port_rescan, no_auto_port_rescan, bool, 0600); +MODULE_PARM_DESC(no_auto_port_rescan, + "no automatic port_rescan (default off)"); + +void zfcp_fc_conditional_port_scan(struct zfcp_adapter *adapter) +{ + if (no_auto_port_rescan) + return; + + queue_work(adapter->work_queue, &adapter->scan_work); +} + +void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *adapter) +{ + if (!no_auto_port_rescan) + return; + + queue_work(adapter->work_queue, &adapter->scan_work); +} + /** * zfcp_fc_post_event - post event to userspace via fc_transport * @work: work struct with enqueued events @@ -206,7 +227,7 @@ static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req) zfcp_fc_enqueue_event(fsf_req->adapter, FCH_EVT_RSCN, *(u32 *)page); } - queue_work(fsf_req->adapter->work_queue, &fsf_req->adapter->scan_work); + zfcp_fc_conditional_port_scan(fsf_req->adapter); } static void zfcp_fc_incoming_wwpn(struct zfcp_fsf_req *req, u64 wwpn) diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 6e2892e7c4b..9ffdc335429 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -257,7 +257,7 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req) if (sr_buf->status_subtype & FSF_STATUS_READ_SUB_ACT_UPDATED) zfcp_cfdc_adapter_access_changed(adapter); if (sr_buf->status_subtype & FSF_STATUS_READ_SUB_INCOMING_ELS) - queue_work(adapter->work_queue, &adapter->scan_work); + zfcp_fc_conditional_port_scan(adapter); break; case FSF_STATUS_READ_CFDC_UPDATED: zfcp_cfdc_adapter_access_changed(adapter); |