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| author | Christof Schmitt <christof.schmitt@de.ibm.com> | 2007-08-28 09:31:41 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-10-12 14:46:36 -0400 |
| commit | ff17a29d3cd9819a0977a07047e8f54e57dca7ce (patch) | |
| tree | ea363cbf6da639fc49bc2f4dd635e2d9f132858c /drivers/s390/scsi | |
| parent | 52ef11a7170e1b8a0d5f9a42dbb43c38c335c32e (diff) | |
| download | linux-ff17a29d3cd9819a0977a07047e8f54e57dca7ce.tar.gz linux-ff17a29d3cd9819a0977a07047e8f54e57dca7ce.tar.bz2 linux-ff17a29d3cd9819a0977a07047e8f54e57dca7ce.zip | |
[SCSI] zfcp: Enable debug feature before setting adapter online
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>
Diffstat (limited to 'drivers/s390/scsi')
| -rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 8 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 8 |
2 files changed, 9 insertions, 7 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index eb3af41a3c1c..4a67320fb4bc 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -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); diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 1c8f71a59855..2773724c5c77 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -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; } |