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path: root/drivers/s390
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Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c72
-rw-r--r--drivers/s390/scsi/zfcp_qdio.c18
2 files changed, 46 insertions, 44 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 2fbd80257bca..48aa16a40d93 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -773,7 +773,7 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
struct fsf_status_read_buffer *sr_buf;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -807,7 +807,7 @@ failed_buf:
zfcp_fsf_req_free(req);
zfcp_dbf_hba_fsf_unsol("fail", adapter->dbf, NULL);
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -876,7 +876,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *scmnd)
struct zfcp_qdio *qdio = zfcp_sdev->port->adapter->qdio;
unsigned long old_req_id = (unsigned long) scmnd->host_scribble;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_ABORT_FCP_CMND,
@@ -907,7 +907,7 @@ out_error_free:
zfcp_fsf_req_free(req);
req = NULL;
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return req;
}
@@ -1046,7 +1046,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
struct zfcp_fsf_req *req;
int ret = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1078,7 +1078,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
failed_send:
zfcp_fsf_req_free(req);
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return ret;
}
@@ -1142,7 +1142,7 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
struct zfcp_qdio *qdio = adapter->qdio;
int ret = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1178,7 +1178,7 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
failed_send:
zfcp_fsf_req_free(req);
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return ret;
}
@@ -1188,7 +1188,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1220,7 +1220,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
erp_action->fsf_req_id = 0;
}
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1230,7 +1230,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
struct zfcp_fsf_req *req = NULL;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out_unlock;
@@ -1256,7 +1256,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
retval = zfcp_fsf_req_send(req);
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
if (!retval)
wait_for_completion(&req->completion);
@@ -1264,7 +1264,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
return retval;
out_unlock:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1282,7 +1282,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
if (!(qdio->adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT))
return -EOPNOTSUPP;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1309,7 +1309,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
erp_action->fsf_req_id = 0;
}
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1328,7 +1328,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
if (!(qdio->adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT))
return -EOPNOTSUPP;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out_unlock;
@@ -1348,7 +1348,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
req->handler = zfcp_fsf_exchange_port_data_handler;
zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
retval = zfcp_fsf_req_send(req);
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
if (!retval)
wait_for_completion(&req->completion);
@@ -1358,7 +1358,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
return retval;
out_unlock:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1442,7 +1442,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
struct zfcp_fsf_req *req;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1473,7 +1473,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
put_device(&port->dev);
}
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1510,7 +1510,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
struct zfcp_fsf_req *req;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1539,7 +1539,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
erp_action->fsf_req_id = 0;
}
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1585,7 +1585,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
struct zfcp_fsf_req *req;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1610,7 +1610,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
if (retval)
zfcp_fsf_req_free(req);
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1638,7 +1638,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
struct zfcp_fsf_req *req;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1663,7 +1663,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
if (retval)
zfcp_fsf_req_free(req);
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1728,7 +1728,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
struct zfcp_fsf_req *req;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1757,7 +1757,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
erp_action->fsf_req_id = 0;
}
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1900,7 +1900,7 @@ int zfcp_fsf_open_lun(struct zfcp_erp_action *erp_action)
struct zfcp_fsf_req *req;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -1933,7 +1933,7 @@ int zfcp_fsf_open_lun(struct zfcp_erp_action *erp_action)
erp_action->fsf_req_id = 0;
}
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -1987,7 +1987,7 @@ int zfcp_fsf_close_lun(struct zfcp_erp_action *erp_action)
struct zfcp_fsf_req *req;
int retval = -EIO;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -2017,7 +2017,7 @@ int zfcp_fsf_close_lun(struct zfcp_erp_action *erp_action)
erp_action->fsf_req_id = 0;
}
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return retval;
}
@@ -2363,7 +2363,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
ZFCP_STATUS_COMMON_UNBLOCKED)))
return NULL;
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -2397,7 +2397,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
zfcp_fsf_req_free(req);
req = NULL;
out:
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return req;
}
@@ -2433,7 +2433,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
return ERR_PTR(-EINVAL);
}
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (zfcp_qdio_sbal_get(qdio))
goto out;
@@ -2460,7 +2460,7 @@ 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(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
if (!retval) {
wait_for_completion(&req->completion);
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index b2635759721c..60e6e5714eb9 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -60,13 +60,11 @@ static inline void zfcp_qdio_account(struct zfcp_qdio *qdio)
unsigned long long now, span;
int used;
- spin_lock(&qdio->stat_lock);
now = get_clock_monotonic();
span = (now - qdio->req_q_time) >> 12;
used = QDIO_MAX_BUFFERS_PER_Q - atomic_read(&qdio->req_q_free);
qdio->req_q_util += used * span;
qdio->req_q_time = now;
- spin_unlock(&qdio->stat_lock);
}
static void zfcp_qdio_int_req(struct ccw_device *cdev, unsigned int qdio_err,
@@ -84,7 +82,9 @@ static void zfcp_qdio_int_req(struct ccw_device *cdev, unsigned int qdio_err,
/* cleanup all SBALs being program-owned now */
zfcp_qdio_zero_sbals(qdio->req_q, idx, count);
+ spin_lock_irq(&qdio->stat_lock);
zfcp_qdio_account(qdio);
+ spin_unlock_irq(&qdio->stat_lock);
atomic_add(count, &qdio->req_q_free);
wake_up(&qdio->req_q_wq);
}
@@ -201,11 +201,11 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req,
static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio)
{
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
if (atomic_read(&qdio->req_q_free) ||
!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
return 1;
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
return 0;
}
@@ -223,7 +223,7 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio)
{
long ret;
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
ret = wait_event_interruptible_timeout(qdio->req_q_wq,
zfcp_qdio_sbal_check(qdio), 5 * HZ);
@@ -239,7 +239,7 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio)
zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1", NULL);
}
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
return -EIO;
}
@@ -254,7 +254,9 @@ int zfcp_qdio_send(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req)
int retval;
u8 sbal_number = q_req->sbal_number;
+ spin_lock(&qdio->stat_lock);
zfcp_qdio_account(qdio);
+ spin_unlock(&qdio->stat_lock);
retval = do_QDIO(qdio->adapter->ccw_device, QDIO_FLAG_SYNC_OUTPUT, 0,
q_req->sbal_first, sbal_number);
@@ -328,9 +330,9 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio)
return;
/* clear QDIOUP flag, thus do_QDIO is not called during qdio_shutdown */
- spin_lock_bh(&qdio->req_q_lock);
+ spin_lock_irq(&qdio->req_q_lock);
atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status);
- spin_unlock_bh(&qdio->req_q_lock);
+ spin_unlock_irq(&qdio->req_q_lock);
wake_up(&qdio->req_q_wq);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 19:18:38 +0000