From 00bab91066a49468bfa4f6d5c8ad5e9ec53b7ea3 Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Tue, 10 Jun 2008 18:20:57 +0200 Subject: [SCSI] zfcp: Cleanup qdio code Cleanup the interface code from zfcp to qdio. Also move code that belongs to the qdio interface from the erp to the qdio file. Signed-off-by: Swen Schillig Signed-off-by: Christof Schmitt Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_aux.c | 45 +++++++------------------------------------- 1 file changed, 7 insertions(+), 38 deletions(-) (limited to 'drivers/s390/scsi/zfcp_aux.c') diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 735f7af43d6..7084a6ae109 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -606,7 +606,6 @@ static void _zfcp_status_read_scheduler(struct work_struct *work) struct zfcp_adapter * zfcp_adapter_enqueue(struct ccw_device *ccw_device) { - int retval = 0; struct zfcp_adapter *adapter; /* @@ -627,19 +626,11 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) /* save ccw_device pointer */ adapter->ccw_device = ccw_device; - retval = zfcp_qdio_allocate_queues(adapter); - if (retval) - goto queues_alloc_failed; - - retval = zfcp_qdio_allocate(adapter); - if (retval) + if (zfcp_qdio_allocate(adapter)) goto qdio_allocate_failed; - retval = zfcp_allocate_low_mem_buffers(adapter); - if (retval) { - ZFCP_LOG_INFO("error: pool allocation failed\n"); + if (zfcp_allocate_low_mem_buffers(adapter)) goto failed_low_mem_buffers; - } /* initialise reference count stuff */ atomic_set(&adapter->refcount, 0); @@ -653,11 +644,8 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) /* initialize list of fsf requests */ spin_lock_init(&adapter->req_list_lock); - retval = zfcp_reqlist_alloc(adapter); - if (retval) { - ZFCP_LOG_INFO("request list initialization failed\n"); + if (zfcp_reqlist_alloc(adapter)) goto failed_low_mem_buffers; - } /* initialize debug locks */ @@ -666,8 +654,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) spin_lock_init(&adapter->scsi_dbf_lock); spin_lock_init(&adapter->rec_dbf_lock); - retval = zfcp_adapter_debug_register(adapter); - if (retval) + if (zfcp_adapter_debug_register(adapter)) goto debug_register_failed; /* initialize error recovery stuff */ @@ -685,7 +672,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) init_waitqueue_head(&adapter->erp_done_wqh); /* initialize lock of associated request queue */ - rwlock_init(&adapter->request_queue.queue_lock); + rwlock_init(&adapter->req_q.lock); INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler); /* mark adapter unusable as long as sysfs registration is not complete */ @@ -723,12 +710,8 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) zfcp_reqlist_free(adapter); failed_low_mem_buffers: zfcp_free_low_mem_buffers(adapter); - if (qdio_free(ccw_device) != 0) - ZFCP_LOG_NORMAL("bug: qdio_free for adapter %s failed\n", - zfcp_get_busid_by_adapter(adapter)); qdio_allocate_failed: - zfcp_qdio_free_queues(adapter); - queues_alloc_failed: + zfcp_qdio_free(adapter); kfree(adapter); adapter = NULL; out: @@ -757,10 +740,6 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter) retval = zfcp_reqlist_isempty(adapter); spin_unlock_irqrestore(&adapter->req_list_lock, flags); if (!retval) { - ZFCP_LOG_NORMAL("bug: adapter %s (%p) still in use, " - "%i requests outstanding\n", - zfcp_get_busid_by_adapter(adapter), adapter, - atomic_read(&adapter->reqs_active)); retval = -EBUSY; goto out; } @@ -775,19 +754,9 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter) /* decrease number of adapters in list */ zfcp_data.adapters--; - ZFCP_LOG_TRACE("adapter %s (%p) removed from list, " - "%i adapters still in list\n", - zfcp_get_busid_by_adapter(adapter), - adapter, zfcp_data.adapters); - - retval = qdio_free(adapter->ccw_device); - if (retval) - ZFCP_LOG_NORMAL("bug: qdio_free for adapter %s failed\n", - zfcp_get_busid_by_adapter(adapter)); + zfcp_qdio_free(adapter); zfcp_free_low_mem_buffers(adapter); - /* free memory of adapter data structure and queues */ - zfcp_qdio_free_queues(adapter); zfcp_reqlist_free(adapter); kfree(adapter->fc_stats); kfree(adapter->stats_reset_data); -- cgit v1.2.3