@@ -294,12 +294,12 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, u32 act_status,
return erp_action;
}
-static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
- struct zfcp_port *port,
- struct scsi_device *sdev,
- char *id, u32 act_status)
+static void zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
+ struct zfcp_port *port,
+ struct scsi_device *sdev,
+ char *id, u32 act_status)
{
- int retval = 1, need;
+ int need;
struct zfcp_erp_action *act;
need = zfcp_erp_handle_failed(want, adapter, port, sdev);
@@ -310,7 +310,6 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
if (!adapter->erp_thread) {
need = ZFCP_ERP_ACTION_NONE; /* marker for trace */
- retval = -EIO;
goto out;
}
@@ -327,10 +326,8 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
++adapter->erp_total_count;
list_add_tail(&act->list, &adapter->erp_ready_head);
wake_up(&adapter->erp_ready_wq);
- retval = 0;
out:
zfcp_dbf_rec_trig(id, adapter, port, sdev, want, need);
- return retval;
}
void zfcp_erp_port_forced_no_port_dbf(char *id, struct zfcp_adapter *adapter,
@@ -353,14 +350,14 @@ void zfcp_erp_port_forced_no_port_dbf(char *id, struct zfcp_adapter *adapter,
write_unlock_irqrestore(&adapter->erp_lock, flags);
}
-static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
+static void _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
int clear_mask, char *id)
{
zfcp_erp_adapter_block(adapter, clear_mask);
zfcp_scsi_schedule_rports_block(adapter);
- return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER,
- adapter, NULL, NULL, id, 0);
+ zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER,
+ adapter, NULL, NULL, id, 0);
}
/**
@@ -439,13 +436,13 @@ void zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear, char *id)
write_unlock_irqrestore(&adapter->erp_lock, flags);
}
-static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
+static void _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
{
zfcp_erp_port_block(port, clear);
zfcp_scsi_schedule_rport_block(port);
- return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT,
- port->adapter, port, NULL, id, 0);
+ zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT,
+ port->adapter, port, NULL, id, 0);
}
/**
@@ -453,20 +450,15 @@ static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
* @port: port to recover
* @clear_mask: flags in port status to be cleared
* @id: Id for debug trace event.
- *
- * Returns 0 if recovery has been triggered, < 0 if not.
*/
-int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
+void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
{
- int retval;
unsigned long flags;
struct zfcp_adapter *adapter = port->adapter;
write_lock_irqsave(&adapter->erp_lock, flags);
- retval = _zfcp_erp_port_reopen(port, clear, id);
+ _zfcp_erp_port_reopen(port, clear, id);
write_unlock_irqrestore(&adapter->erp_lock, flags);
-
- return retval;
}
static void zfcp_erp_lun_block(struct scsi_device *sdev, int clear_mask)
@@ -63,7 +63,7 @@ extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
-extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
+extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id);
extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
Since v2.6.27 commit 553448f6c483 ("[SCSI] zfcp: Message cleanup"), none of the callers has been interested any more. Values were not returned consistently in all ERP trigger functions. Signed-off-by: Steffen Maier <maier@linux.ibm.com> Reviewed-by: Benjamin Block <bblock@linux.ibm.com> --- drivers/s390/scsi/zfcp_erp.c | 34 +++++++++++++--------------------- drivers/s390/scsi/zfcp_ext.h | 2 +- 2 files changed, 14 insertions(+), 22 deletions(-)