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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.c65
1 files changed, 17 insertions, 48 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index ec1b49a75532..3822f22b8150 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -640,37 +640,6 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
}
}
-static int zfcp_fsf_sbal_check(struct zfcp_qdio *qdio)
-{
- struct zfcp_qdio_queue *req_q = &qdio->req_q;
-
- spin_lock_bh(&qdio->req_q_lock);
- if (atomic_read(&req_q->count))
- return 1;
- spin_unlock_bh(&qdio->req_q_lock);
- return 0;
-}
-
-static int zfcp_fsf_req_sbal_get(struct zfcp_qdio *qdio)
-{
- struct zfcp_adapter *adapter = qdio->adapter;
- long ret;
-
- spin_unlock_bh(&qdio->req_q_lock);
- ret = wait_event_interruptible_timeout(qdio->req_q_wq,
- zfcp_fsf_sbal_check(qdio), 5 * HZ);
- if (ret > 0)
- return 0;
- if (!ret) {
- atomic_inc(&qdio->req_q_full);
- /* assume hanging outbound queue, try queue recovery */
- zfcp_erp_adapter_reopen(adapter, 0, "fsrsg_1", NULL);
- }
-
- spin_lock_bh(&qdio->req_q_lock);
- return -EIO;
-}
-
static struct zfcp_fsf_req *zfcp_fsf_alloc(mempool_t *pool)
{
struct zfcp_fsf_req *req;
@@ -798,7 +767,7 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS, 0,
@@ -898,7 +867,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
struct zfcp_qdio *qdio = unit->port->adapter->qdio;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_ABORT_FCP_CMND,
SBAL_FLAGS0_TYPE_READ,
@@ -1068,7 +1037,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
int ret = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC,
@@ -1165,7 +1134,7 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
int ret = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS,
@@ -1208,7 +1177,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
@@ -1250,7 +1219,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out_unlock;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
@@ -1302,7 +1271,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
return -EOPNOTSUPP;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
@@ -1348,7 +1317,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
return -EOPNOTSUPP;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out_unlock;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
@@ -1462,7 +1431,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
@@ -1530,7 +1499,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
@@ -1605,7 +1574,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
@@ -1658,7 +1627,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
@@ -1750,7 +1719,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PHYSICAL_PORT,
@@ -1921,7 +1890,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_LUN,
@@ -2005,7 +1974,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_LUN,
@@ -2340,7 +2309,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
return NULL;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
@@ -2410,7 +2379,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
}
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, direction, NULL);