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[SCSI] zfcp: Enable debug feature before setting adapter online

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Already register the debug feature before the zfcp adapter is
set online. This allows to use the debug feature to investigate
the online/offline sequence.

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>
This commit is contained in:
Christof Schmitt 2007-08-28 09:31:41 +02:00 committed by James Bottomley
parent 52ef11a717
commit ff17a29d3c
2 changed files with 9 additions and 7 deletions
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8
drivers/s390/scsi/zfcp_aux.c
View File

@ -1038,6 +1038,10 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
spin_lock_init(&adapter->san_dbf_lock);
spin_lock_init(&adapter->scsi_dbf_lock);
retval = zfcp_adapter_debug_register(adapter);
if (retval)
goto debug_register_failed;
/* initialize error recovery stuff */
rwlock_init(&adapter->erp_lock);
@ -1084,6 +1088,8 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
generic_services_failed:
zfcp_sysfs_adapter_remove_files(&adapter->ccw_device->dev);
sysfs_failed:
zfcp_adapter_debug_unregister(adapter);
debug_register_failed:
dev_set_drvdata(&ccw_device->dev, NULL);
zfcp_reqlist_free(adapter);
failed_low_mem_buffers:
@ -1129,6 +1135,8 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
goto out;
}
zfcp_adapter_debug_unregister(adapter);
/* remove specified adapter data structure from list */
write_lock_irq(&zfcp_data.config_lock);
list_del(&adapter->list);

8
drivers/s390/scsi/zfcp_ccw.c
View File

@ -150,15 +150,12 @@ zfcp_ccw_set_online(struct ccw_device *ccw_device)
down(&zfcp_data.config_sema);
adapter = dev_get_drvdata(&ccw_device->dev);
retval = zfcp_adapter_debug_register(adapter);
if (retval)
goto out;
retval = zfcp_erp_thread_setup(adapter);
if (retval) {
ZFCP_LOG_INFO("error: start of error recovery thread for "
"adapter %s failed\n",
zfcp_get_busid_by_adapter(adapter));
goto out_erp_thread;
goto out;
}
retval = zfcp_adapter_scsi_register(adapter);
@ -177,8 +174,6 @@ zfcp_ccw_set_online(struct ccw_device *ccw_device)
out_scsi_register:
zfcp_erp_thread_kill(adapter);
out_erp_thread:
zfcp_adapter_debug_unregister(adapter);
out:
up(&zfcp_data.config_sema);
return retval;
@ -201,7 +196,6 @@ zfcp_ccw_set_offline(struct ccw_device *ccw_device)
zfcp_erp_adapter_shutdown(adapter, 0);
zfcp_erp_wait(adapter);
zfcp_erp_thread_kill(adapter);
zfcp_adapter_debug_unregister(adapter);
up(&zfcp_data.config_sema);
return 0;
}