[SCSI] zfcp: remove function zfcp_fsf_req_wait_and_cleanup

Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

3 files changed, 9 insertions, 59 deletions

diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index cd98a2de9f8f..c400e3b9de97 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -109,7 +109,6 @@ extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
 			    struct zfcp_erp_action *);
 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
-extern int  zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *, int, u32 *);
 extern int  zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
 					   struct zfcp_unit *,
 					   struct scsi_cmnd *,
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 64e2c3480189..929f6c9cad39 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -4548,52 +4548,6 @@ skip_fsfstatus:
 	return retval;
 }
 
-
-/*
- * function:    zfcp_fsf_req_wait_and_cleanup
- *
- * purpose:
- *
- * FIXME(design): signal seems to be <0 !!!
- * returns:	0	- request completed (*status is valid), cleanup succ.
- *		<0	- request completed (*status is valid), cleanup failed
- *		>0	- signal which interrupted waiting (*status invalid),
- *			  request not completed, no cleanup
- *
- *		*status is a copy of status of completed fsf_req
- */
-int
-zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *fsf_req,
-			      int interruptible, u32 * status)
-{
-	int retval = 0;
-	int signal = 0;
-
-	if (interruptible) {
-		__wait_event_interruptible(fsf_req->completion_wq,
-					   fsf_req->status &
-					   ZFCP_STATUS_FSFREQ_COMPLETED,
-					   signal);
-		if (signal) {
-			ZFCP_LOG_DEBUG("Caught signal %i while waiting for the "
-				       "completion of the request at %p\n",
-				       signal, fsf_req);
-			retval = signal;
-			goto out;
-		}
-	} else {
-		__wait_event(fsf_req->completion_wq,
-			     fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
-	}
-
-	*status = fsf_req->status;
-
-	/* cleanup request */
-	zfcp_fsf_req_free(fsf_req);
- out:
-	return retval;
-}
-
 static inline int
 zfcp_fsf_req_sbal_check(unsigned long *flags,
 			struct zfcp_qdio_queue *queue, int needed)
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index fffd12399010..3b5d48c61534 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -558,9 +558,8 @@ static int
 zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags)
 {
 	struct zfcp_adapter *adapter = unit->port->adapter;
-	int retval;
-	int status;
 	struct zfcp_fsf_req *fsf_req;
+	int retval = 0;
 
 	/* issue task management function */
 	fsf_req = zfcp_fsf_send_fcp_command_task_management
@@ -574,18 +573,16 @@ zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags)
 		goto out;
 	}
 
-	retval = zfcp_fsf_req_wait_and_cleanup(fsf_req,
-					       ZFCP_UNINTERRUPTIBLE, &status);
-	/*
-	 * check completion status of task management function
-	 * (status should always be valid since no signals permitted)
-	 */
-	if (status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED)
+	__wait_event(fsf_req->completion_wq,
+		     fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
+
+	/* check completion status of task management function */
+	if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED)
 		retval = -EIO;
-	else if (status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP)
+	else if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP)
 		retval = -ENOTSUPP;
-	else
-		retval = 0;
+
+	zfcp_fsf_req_free(fsf_req);
  out:
 	return retval;
 }