diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.c')
-rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 89 |
1 files changed, 45 insertions, 44 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 02a570084d8..c10b88d235d 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -639,12 +639,14 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req) } } -static int zfcp_fsf_sbal_check(struct zfcp_qdio_queue *queue) +static int zfcp_fsf_sbal_check(struct zfcp_adapter *adapter) { - spin_lock_bh(&queue->lock); - if (atomic_read(&queue->count)) + struct zfcp_qdio_queue *req_q = &adapter->req_q; + + spin_lock_bh(&adapter->req_q_lock); + if (atomic_read(&req_q->count)) return 1; - spin_unlock_bh(&queue->lock); + spin_unlock_bh(&adapter->req_q_lock); return 0; } @@ -659,17 +661,16 @@ static int zfcp_fsf_sbal_available(struct zfcp_adapter *adapter) static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) { long ret; - struct zfcp_qdio_queue *req_q = &adapter->req_q; - spin_unlock_bh(&req_q->lock); + spin_unlock_bh(&adapter->req_q_lock); ret = wait_event_interruptible_timeout(adapter->request_wq, - zfcp_fsf_sbal_check(req_q), 5 * HZ); + zfcp_fsf_sbal_check(adapter), 5 * HZ); if (ret > 0) return 0; if (!ret) atomic_inc(&adapter->qdio_outb_full); - spin_lock_bh(&req_q->lock); + spin_lock_bh(&adapter->req_q_lock); return -EIO; } @@ -811,7 +812,7 @@ int zfcp_fsf_status_read(struct zfcp_adapter *adapter) struct qdio_buffer_element *sbale; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -851,7 +852,7 @@ failed_buf: zfcp_fsf_req_free(req); zfcp_hba_dbf_event_fsf_unsol("fail", adapter, NULL); out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -924,7 +925,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id, struct qdio_buffer_element *sbale; struct zfcp_fsf_req *req = NULL; - spin_lock(&adapter->req_q.lock); + spin_lock(&adapter->req_q_lock); if (!zfcp_fsf_sbal_available(adapter)) goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_ABORT_FCP_CMND, @@ -954,7 +955,7 @@ out_error_free: zfcp_fsf_req_free(req); req = NULL; out: - spin_unlock(&adapter->req_q.lock); + spin_unlock(&adapter->req_q_lock); return req; } @@ -1043,7 +1044,7 @@ int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool, struct zfcp_fsf_req *req; int ret = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1085,7 +1086,7 @@ failed_send: if (erp_action) erp_action->fsf_req = NULL; out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return ret; } @@ -1155,7 +1156,7 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els) ZFCP_STATUS_COMMON_UNBLOCKED))) return -EBUSY; - spin_lock(&adapter->req_q.lock); + spin_lock(&adapter->req_q_lock); if (!zfcp_fsf_sbal_available(adapter)) goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_SEND_ELS, @@ -1189,7 +1190,7 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els) failed_send: zfcp_fsf_req_free(req); out: - spin_unlock(&adapter->req_q.lock); + spin_unlock(&adapter->req_q_lock); return ret; } @@ -1200,7 +1201,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action) struct zfcp_adapter *adapter = erp_action->adapter; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (!zfcp_fsf_sbal_available(adapter)) goto out; req = zfcp_fsf_req_create(adapter, @@ -1232,7 +1233,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action) erp_action->fsf_req = NULL; } out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1243,7 +1244,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, struct zfcp_fsf_req *req = NULL; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1271,7 +1272,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); @@ -1296,7 +1297,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action) if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) return -EOPNOTSUPP; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (!zfcp_fsf_sbal_available(adapter)) goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, @@ -1322,7 +1323,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action) erp_action->fsf_req = NULL; } out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1342,7 +1343,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) return -EOPNOTSUPP; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (!zfcp_fsf_sbal_available(adapter)) goto out; @@ -1364,7 +1365,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); if (!retval) wait_event(req->completion_wq, req->status & ZFCP_STATUS_FSFREQ_COMPLETED); @@ -1462,7 +1463,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1492,7 +1493,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) erp_action->fsf_req = NULL; } out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1530,7 +1531,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1559,7 +1560,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action) erp_action->fsf_req = NULL; } out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1603,7 +1604,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_wka_port *wka_port) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1629,7 +1630,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_wka_port *wka_port) if (retval) zfcp_fsf_req_free(req); out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1658,7 +1659,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_wka_port *wka_port) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1683,7 +1684,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_wka_port *wka_port) if (retval) zfcp_fsf_req_free(req); out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1750,7 +1751,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1781,7 +1782,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action) erp_action->fsf_req = NULL; } out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -1924,7 +1925,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -1957,7 +1958,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) erp_action->fsf_req = NULL; } out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -2010,7 +2011,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) struct zfcp_fsf_req *req; int retval = -EIO; - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_CLOSE_LUN, @@ -2039,7 +2040,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) erp_action->fsf_req = NULL; } out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); return retval; } @@ -2281,7 +2282,7 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter, ZFCP_STATUS_COMMON_UNBLOCKED))) return -EBUSY; - spin_lock(&adapter->req_q.lock); + spin_lock(&adapter->req_q_lock); if (!zfcp_fsf_sbal_available(adapter)) goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags, @@ -2380,7 +2381,7 @@ failed_scsi_cmnd: zfcp_fsf_req_free(req); scsi_cmnd->host_scribble = NULL; out: - spin_unlock(&adapter->req_q.lock); + spin_unlock(&adapter->req_q_lock); return retval; } @@ -2404,7 +2405,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter, ZFCP_STATUS_COMMON_UNBLOCKED))) return NULL; - spin_lock(&adapter->req_q.lock); + spin_lock(&adapter->req_q_lock); if (!zfcp_fsf_sbal_available(adapter)) goto out; req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags, @@ -2437,7 +2438,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter, zfcp_fsf_req_free(req); req = NULL; out: - spin_unlock(&adapter->req_q.lock); + spin_unlock(&adapter->req_q_lock); return req; } @@ -2475,7 +2476,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, return ERR_PTR(-EINVAL); } - spin_lock_bh(&adapter->req_q.lock); + spin_lock_bh(&adapter->req_q_lock); if (zfcp_fsf_req_sbal_get(adapter)) goto out; @@ -2505,7 +2506,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); out: - spin_unlock_bh(&adapter->req_q.lock); + spin_unlock_bh(&adapter->req_q_lock); if (!retval) { wait_event(req->completion_wq, |