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path: root/drivers/s390/scsi/zfcp_fsf.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.c')
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c59
1 files changed, 20 insertions, 39 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 489a1896499..af75fd2ef1e 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -621,7 +621,6 @@ static void zfcp_fsf_exchange_port_evaluate(struct zfcp_fsf_req *req)
static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
{
- struct zfcp_adapter *adapter = req->adapter;
struct fsf_qtcb *qtcb = req->qtcb;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
@@ -630,11 +629,9 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
switch (qtcb->header.fsf_status) {
case FSF_GOOD:
zfcp_fsf_exchange_port_evaluate(req);
- atomic_set_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
break;
case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE:
zfcp_fsf_exchange_port_evaluate(req);
- atomic_set_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
zfcp_fsf_link_down_info_eval(req, 43,
&qtcb->header.fsf_status_qual.link_down_info);
break;
@@ -708,7 +705,7 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter,
u32 fsf_cmd, int req_flags,
mempool_t *pool)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req;
struct zfcp_qdio_queue *req_q = &adapter->req_q;
@@ -810,7 +807,7 @@ int zfcp_fsf_status_read(struct zfcp_adapter *adapter)
{
struct zfcp_fsf_req *req;
struct fsf_status_read_buffer *sr_buf;
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
int retval = -EIO;
spin_lock_bh(&adapter->req_q.lock);
@@ -923,7 +920,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
struct zfcp_unit *unit,
int req_flags)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
spin_lock(&adapter->req_q.lock);
@@ -1171,8 +1168,8 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els)
goto out;
}
- ret = zfcp_fsf_setup_sbals(req, els->req, els->resp,
- FSF_MAX_SBALS_PER_ELS_REQ);
+ ret = zfcp_fsf_setup_sbals(req, els->req, els->resp, 2);
+
if (ret)
goto failed_send;
@@ -1201,7 +1198,7 @@ out:
int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req;
struct zfcp_adapter *adapter = erp_action->adapter;
int retval = -EIO;
@@ -1245,7 +1242,7 @@ out:
int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
struct fsf_qtcb_bottom_config *data)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
int retval = -EIO;
@@ -1294,7 +1291,7 @@ out:
*/
int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req;
struct zfcp_adapter *adapter = erp_action->adapter;
int retval = -EIO;
@@ -1341,7 +1338,7 @@ out:
int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
struct fsf_qtcb_bottom_port *data)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
int retval = -EIO;
@@ -1386,7 +1383,7 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
struct fsf_plogi *plogi;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
- goto skip_fsfstatus;
+ return;
switch (header->fsf_status) {
case FSF_PORT_ALREADY_OPEN:
@@ -1456,9 +1453,6 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
req->status |= ZFCP_STATUS_FSFREQ_ERROR;
break;
}
-
-skip_fsfstatus:
- atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING, &port->status);
}
/**
@@ -1468,7 +1462,7 @@ skip_fsfstatus:
*/
int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_fsf_req *req;
int retval = -EIO;
@@ -1495,7 +1489,6 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
req->data = erp_action->port;
req->erp_action = erp_action;
erp_action->fsf_req = req;
- atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->port->status);
zfcp_fsf_start_erp_timer(req);
retval = zfcp_fsf_req_send(req);
@@ -1513,7 +1506,7 @@ static void zfcp_fsf_close_port_handler(struct zfcp_fsf_req *req)
struct zfcp_port *port = req->data;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
- goto skip_fsfstatus;
+ return;
switch (req->qtcb->header.fsf_status) {
case FSF_PORT_HANDLE_NOT_VALID:
@@ -1528,9 +1521,6 @@ static void zfcp_fsf_close_port_handler(struct zfcp_fsf_req *req)
ZFCP_CLEAR);
break;
}
-
-skip_fsfstatus:
- atomic_clear_mask(ZFCP_STATUS_COMMON_CLOSING, &port->status);
}
/**
@@ -1540,7 +1530,7 @@ skip_fsfstatus:
*/
int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_fsf_req *req;
int retval = -EIO;
@@ -1566,7 +1556,6 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
req->erp_action = erp_action;
req->qtcb->header.port_handle = erp_action->port->handle;
erp_action->fsf_req = req;
- atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->port->status);
zfcp_fsf_start_erp_timer(req);
retval = zfcp_fsf_req_send(req);
@@ -1637,7 +1626,7 @@ skip_fsfstatus:
*/
int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_fsf_req *req;
int retval = -EIO;
@@ -1688,7 +1677,7 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
int exclusive, readwrite;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
- goto skip_fsfstatus;
+ return;
atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
ZFCP_STATUS_COMMON_ACCESS_BOXED |
@@ -1798,9 +1787,6 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
}
break;
}
-
-skip_fsfstatus:
- atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING, &unit->status);
}
/**
@@ -1810,7 +1796,7 @@ skip_fsfstatus:
*/
int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_fsf_req *req;
int retval = -EIO;
@@ -1841,8 +1827,6 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE))
req->qtcb->bottom.support.option = FSF_OPEN_LUN_SUPPRESS_BOXING;
- atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->unit->status);
-
zfcp_fsf_start_erp_timer(req);
retval = zfcp_fsf_req_send(req);
if (retval) {
@@ -1859,7 +1843,7 @@ static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req)
struct zfcp_unit *unit = req->data;
if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
- goto skip_fsfstatus;
+ return;
switch (req->qtcb->header.fsf_status) {
case FSF_PORT_HANDLE_NOT_VALID:
@@ -1889,8 +1873,6 @@ static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req)
atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status);
break;
}
-skip_fsfstatus:
- atomic_clear_mask(ZFCP_STATUS_COMMON_CLOSING, &unit->status);
}
/**
@@ -1900,7 +1882,7 @@ skip_fsfstatus:
*/
int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_fsf_req *req;
int retval = -EIO;
@@ -1926,7 +1908,6 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
req->data = erp_action->unit;
req->erp_action = erp_action;
erp_action->fsf_req = req;
- atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->unit->status);
zfcp_fsf_start_erp_timer(req);
retval = zfcp_fsf_req_send(req);
@@ -2275,7 +2256,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter,
struct zfcp_unit *unit,
u8 tm_flags, int req_flags)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
struct fcp_cmnd_iu *fcp_cmnd_iu;
@@ -2335,7 +2316,7 @@ static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req)
struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
struct zfcp_fsf_cfdc *fsf_cfdc)
{
- volatile struct qdio_buffer_element *sbale;
+ struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
struct fsf_qtcb_bottom_support *bottom;
int direction, retval = -EIO, bytes;