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Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index f09c863dc6bd..38a7e4a6b639 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1058,11 +1058,25 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->queue_req,
SBAL_FLAGS0_TYPE_WRITE_READ,
sg_resp, max_sbals);
+ req->qtcb->bottom.support.resp_buf_length = bytes;
if (bytes <= 0)
return -EIO;
+ return 0;
+}
+
+static int zfcp_fsf_setup_ct_els(struct zfcp_fsf_req *req,
+ struct scatterlist *sg_req,
+ struct scatterlist *sg_resp,
+ int max_sbals)
+{
+ int ret;
+
+ ret = zfcp_fsf_setup_ct_els_sbals(req, sg_req, sg_resp, max_sbals);
+ if (ret)
+ return ret;
+
/* common settings for ct/gs and els requests */
- req->qtcb->bottom.support.resp_buf_length = bytes;
req->qtcb->bottom.support.service_class = FSF_CLASS_3;
req->qtcb->bottom.support.timeout = 2 * R_A_TOV;
zfcp_fsf_start_timer(req, 2 * R_A_TOV + 10);
@@ -1094,8 +1108,8 @@ int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool)
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- ret = zfcp_fsf_setup_ct_els_sbals(req, ct->req, ct->resp,
- FSF_MAX_SBALS_PER_REQ);
+ ret = zfcp_fsf_setup_ct_els(req, ct->req, ct->resp,
+ FSF_MAX_SBALS_PER_REQ);
if (ret)
goto failed_send;
@@ -1192,7 +1206,7 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els)
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- ret = zfcp_fsf_setup_ct_els_sbals(req, els->req, els->resp, 2);
+ ret = zfcp_fsf_setup_ct_els(req, els->req, els->resp, 2);
if (ret)
goto failed_send;