zfcp: trace on request for open and close of WKA port

[pandora-kernel.git] / drivers / s390 / scsi / zfcp_aux.c

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 645b0fc..3743ac9 100644 (file)
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -3,7 +3,7 @@
  *
  * Module interface and handling of zfcp data structures.
  *
- * Copyright IBM Corporation 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
  */
 
 /*
@@ -23,6 +23,7 @@
  *            Christof Schmitt
  *            Martin Petermann
  *            Sven Schuetz
+ *            Steffen Maier
  */
 
 #define KMSG_COMPONENT "zfcp"
@@ -31,6 +32,7 @@
 #include <linux/miscdevice.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include "zfcp_ext.h"
 #include "zfcp_fc.h"
 #include "zfcp_reqlist.h"
@@ -414,6 +416,8 @@ struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *ccw_device)
        adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN;
        adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;
 
+       adapter->stat_read_buf_num = FSF_STATUS_READS_RECOM;
+
        if (!zfcp_scsi_adapter_register(adapter))
                return adapter;
 
@@ -518,6 +522,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
 
        rwlock_init(&port->unit_list_lock);
        INIT_LIST_HEAD(&port->unit_list);
+       atomic_set(&port->units, 0);
 
        INIT_WORK(&port->gid_pn_work, zfcp_fc_port_did_lookup);
        INIT_WORK(&port->test_link_work, zfcp_fc_link_test_work);