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[SCSI] zfcp: Move qdio related data out of zfcp_adapter

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The zfcp_adapter structure was growing over time to a size of almost
one memory page. To reduce the size of the data structure and to
seperate different layers, put all qdio related data in the new
zfcp_qdio data structure.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Swen Schillig
2009-08-18 15:43:19 +02:00
committed by James Bottomley
parent 42428f747a
commit 564e1c86c8
9 changed files with 342 additions and 295 deletions
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8
drivers/s390/scsi/zfcp_erp.c
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@ -603,9 +603,11 @@ static void zfcp_erp_wakeup(struct zfcp_adapter *adapter)
static int zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *act)
{
if (zfcp_qdio_open(act->adapter))
struct zfcp_qdio *qdio = act->adapter->qdio;
if (zfcp_qdio_open(qdio))
return ZFCP_ERP_FAILED;
init_waitqueue_head(&act->adapter->request_wq);
init_waitqueue_head(&qdio->req_q_wq);
atomic_set_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &act->adapter->status);
return ZFCP_ERP_SUCCEEDED;
}
@ -710,7 +712,7 @@ static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act)
struct zfcp_adapter *adapter = act->adapter;
/* close queues to ensure that buffers are not accessed by adapter */
zfcp_qdio_close(adapter);
zfcp_qdio_close(adapter->qdio);
zfcp_fsf_req_dismiss_all(adapter);
adapter->fsf_req_seq_no = 0;
zfcp_fc_wka_ports_force_offline(adapter->gs);