diff options
| author | Swen Schillig <swen@vnet.ibm.com> | 2009-08-18 17:43:19 +0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-09-05 17:49:27 +0400 |
| commit | 564e1c86c810f9ccfe4300afa402815e3db4886d (patch) | |
| tree | ecb88038c443d6486e9df352c79b3c78be5454ef /drivers/s390/scsi/zfcp_aux.c | |
| parent | 42428f747a8a0db9c6de03e105932316defad65d (diff) | |
| download | linux-564e1c86c810f9ccfe4300afa402815e3db4886d.tar.xz | |
[SCSI] zfcp: Move qdio related data out of zfcp_adapter
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>
Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index f785cbc7520d..ed7211ef04eb 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -428,7 +428,7 @@ static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter) int zfcp_status_read_refill(struct zfcp_adapter *adapter) { while (atomic_read(&adapter->stat_miss) > 0) - if (zfcp_fsf_status_read(adapter)) { + if (zfcp_fsf_status_read(adapter->qdio)) { if (atomic_read(&adapter->stat_miss) >= 16) { zfcp_erp_adapter_reopen(adapter, 0, "axsref1", NULL); @@ -507,11 +507,16 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device) return -ENOMEM; } + adapter->qdio = kzalloc(sizeof(struct zfcp_qdio), GFP_KERNEL); + if (!adapter->qdio) + goto qdio_mem_failed; + + adapter->qdio->adapter = adapter; ccw_device->handler = NULL; adapter->ccw_device = ccw_device; atomic_set(&adapter->refcount, 0); - if (zfcp_qdio_allocate(adapter)) + if (zfcp_qdio_allocate(adapter->qdio, ccw_device)) goto qdio_allocate_failed; if (zfcp_allocate_low_mem_buffers(adapter)) @@ -536,8 +541,8 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device) spin_lock_init(&adapter->req_list_lock); - spin_lock_init(&adapter->req_q_lock); - spin_lock_init(&adapter->qdio_stat_lock); + spin_lock_init(&adapter->qdio->req_q_lock); + spin_lock_init(&adapter->qdio->stat_lock); rwlock_init(&adapter->erp_lock); rwlock_init(&adapter->abort_lock); @@ -574,7 +579,9 @@ debug_register_failed: failed_low_mem_buffers: zfcp_free_low_mem_buffers(adapter); qdio_allocate_failed: - zfcp_qdio_free(adapter); + zfcp_qdio_free(adapter->qdio); + kfree(adapter->qdio); +qdio_mem_failed: kfree(adapter); return -ENOMEM; } @@ -605,12 +612,13 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter) zfcp_destroy_adapter_work_queue(adapter); zfcp_adapter_debug_unregister(adapter); - zfcp_qdio_free(adapter); + zfcp_qdio_free(adapter->qdio); zfcp_free_low_mem_buffers(adapter); kfree(adapter->req_list); kfree(adapter->fc_stats); kfree(adapter->stats_reset_data); kfree(adapter->gs); + kfree(adapter->qdio); kfree(adapter); } |