From: Christof Schmitt Register zfcp with the new /proc/service_level interface to report the FCP microcode level. When the adapter goes offline or a channel path disappears, zfcp unregisters, since the microcode version might change and zfcp does not know about it. Signed-off-by: Christof Schmitt Signed-off-by: Martin Schwidefsky --- drivers/s390/scsi/zfcp_aux.c | 13 +++++++++++++ drivers/s390/scsi/zfcp_def.h | 2 ++ drivers/s390/scsi/zfcp_erp.c | 5 ++++- 3 files changed, 19 insertions(+), 1 deletion(-) Index: quilt-2.6/drivers/s390/scsi/zfcp_aux.c =================================================================== --- quilt-2.6.orig/drivers/s390/scsi/zfcp_aux.c +++ quilt-2.6/drivers/s390/scsi/zfcp_aux.c @@ -26,6 +26,7 @@ */ #include +#include #include "zfcp_ext.h" static char *device; @@ -436,6 +437,16 @@ static void _zfcp_status_read_scheduler( stat_work)); } +static void zfcp_print_sl(struct seq_file *m, struct service_level *sl) +{ + struct zfcp_adapter *adapter = + container_of(sl, struct zfcp_adapter, service_level); + + seq_printf(m, "zfcp: %s microcode level %x\n", + dev_name(&adapter->ccw_device->dev), + adapter->fsf_lic_version); +} + /** * zfcp_adapter_enqueue - enqueue a new adapter to the list * @ccw_device: pointer to the struct cc_device @@ -500,6 +511,8 @@ int zfcp_adapter_enqueue(struct ccw_devi INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler); INIT_WORK(&adapter->scan_work, _zfcp_scan_ports_later); + adapter->service_level.seq_print = zfcp_print_sl; + /* mark adapter unusable as long as sysfs registration is not complete */ atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status); Index: quilt-2.6/drivers/s390/scsi/zfcp_def.h =================================================================== --- quilt-2.6.orig/drivers/s390/scsi/zfcp_def.h +++ quilt-2.6/drivers/s390/scsi/zfcp_def.h @@ -33,6 +33,7 @@ #include #include #include +#include #include "zfcp_dbf.h" #include "zfcp_fsf.h" @@ -515,6 +516,7 @@ struct zfcp_adapter { struct fsf_qtcb_bottom_port *stats_reset_data; unsigned long stats_reset; struct work_struct scan_work; + struct service_level service_level; atomic_t qdio_outb_full; /* queue full incidents */ }; Index: quilt-2.6/drivers/s390/scsi/zfcp_erp.c =================================================================== --- quilt-2.6.orig/drivers/s390/scsi/zfcp_erp.c +++ quilt-2.6/drivers/s390/scsi/zfcp_erp.c @@ -1280,8 +1280,11 @@ static void zfcp_erp_action_cleanup(stru break; case ZFCP_ERP_ACTION_REOPEN_ADAPTER: - if (result != ZFCP_ERP_SUCCEEDED) + if (result != ZFCP_ERP_SUCCEEDED) { + unregister_service_level(&adapter->service_level); zfcp_erp_rports_del(adapter); + } else + register_service_level(&adapter->service_level); zfcp_adapter_put(adapter); break; } -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/