4 files changed, 22 insertions, 16 deletions

diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 1406a65a6205..66bdb34143cb 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -130,9 +130,9 @@ extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
 extern int zfcp_fsf_status_read(struct zfcp_qdio *);
 extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
 extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
-                            mempool_t *);
+                            mempool_t *, unsigned int);
 extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
-                             struct zfcp_fsf_ct_els *);
+                             struct zfcp_fsf_ct_els *, unsigned int);
 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
                                           struct scsi_cmnd *);
 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 37a0ca200a32..0f7b493fb105 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -258,7 +258,8 @@ static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
         gid_pn->gid_pn_req.gid_pn.fn_wwpn = port->wwpn;
 
         ret = zfcp_fsf_send_ct(&adapter->gs->ds, &gid_pn->ct,
-                               adapter->pool.gid_pn_req);
+                               adapter->pool.gid_pn_req,
+                               ZFCP_FC_CTELS_TMO);
         if (!ret) {
                 wait_for_completion(&completion);
                 zfcp_fc_ns_gid_pn_eval(gid_pn);
@@ -421,7 +422,8 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
         hton24(adisc->adisc_req.adisc_port_id,
                fc_host_port_id(adapter->scsi_host));
 
-        ret = zfcp_fsf_send_els(adapter, port->d_id, &adisc->els);
+        ret = zfcp_fsf_send_els(adapter, port->d_id, &adisc->els,
+                                ZFCP_FC_CTELS_TMO);
         if (ret)
                 kmem_cache_free(zfcp_data.adisc_cache, adisc);
 
@@ -532,7 +534,8 @@ static int zfcp_fc_send_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft,
         ct->req = &gpn_ft->sg_req;
         ct->resp = gpn_ft->sg_resp;
 
-        ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct, NULL);
+        ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct, NULL,
+                               ZFCP_FC_CTELS_TMO);
         if (!ret)
                 wait_for_completion(&completion);
         return ret;
@@ -734,7 +737,7 @@ static int zfcp_fc_exec_els_job(struct fc_bsg_job *job,
                 d_id = ntoh24(job->request->rqst_data.h_els.port_id);
 
         els->handler = zfcp_fc_ct_els_job_handler;
-        return zfcp_fsf_send_els(adapter, d_id, els);
+        return zfcp_fsf_send_els(adapter, d_id, els, job->req->timeout / HZ);
 }
 
 static int zfcp_fc_exec_ct_job(struct fc_bsg_job *job,
@@ -753,7 +756,7 @@ static int zfcp_fc_exec_ct_job(struct fc_bsg_job *job,
                 return ret;
 
         ct->handler = zfcp_fc_ct_job_handler;
-        ret = zfcp_fsf_send_ct(wka_port, ct, NULL);
+        ret = zfcp_fsf_send_ct(wka_port, ct, NULL, job->req->timeout / HZ);
         if (ret)
                 zfcp_fc_wka_port_put(wka_port);
 
diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h
index cb2a3669a384..0747b087390d 100644
--- a/drivers/s390/scsi/zfcp_fc.h
+++ b/drivers/s390/scsi/zfcp_fc.h
@@ -27,6 +27,8 @@
 #define ZFCP_FC_GPN_FT_MAX_ENT    (ZFCP_FC_GPN_FT_NUM_BUFS * \
                                         (ZFCP_FC_GPN_FT_ENT_PAGE + 1))
 
+#define ZFCP_FC_CTELS_TMO       (2 * FC_DEF_R_A_TOV / 1000)
+
 /**
  * struct zfcp_fc_gid_pn_req - container for ct header plus gid_pn request
  * @ct_hdr: FC GS common transport header
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 482dcd97aa5d..e8fb4d9baa8b 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1068,20 +1068,20 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
 static int zfcp_fsf_setup_ct_els(struct zfcp_fsf_req *req,
                                  struct scatterlist *sg_req,
                                  struct scatterlist *sg_resp,
-                                 int max_sbals)
+                                 int max_sbals, unsigned int timeout)
 {
         int ret;
-        unsigned int fcp_chan_timeout;
 
         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 */
-        fcp_chan_timeout = 2 * FC_DEF_R_A_TOV / 1000;
+        if (timeout > 255)
+                timeout = 255; /* max value accepted by hardware */
         req->qtcb->bottom.support.service_class = FSF_CLASS_3;
-        req->qtcb->bottom.support.timeout = fcp_chan_timeout;
-        zfcp_fsf_start_timer(req, (fcp_chan_timeout + 10) * HZ);
+        req->qtcb->bottom.support.timeout = timeout;
+        zfcp_fsf_start_timer(req, (timeout + 10) * HZ);
 
         return 0;
 }
@@ -1092,7 +1092,8 @@ static int zfcp_fsf_setup_ct_els(struct zfcp_fsf_req *req,
  * @pool: if non-null this mempool is used to allocate struct zfcp_fsf_req
  */
 int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
-                     struct zfcp_fsf_ct_els *ct, mempool_t *pool)
+                     struct zfcp_fsf_ct_els *ct, mempool_t *pool,
+                     unsigned int timeout)
 {
         struct zfcp_qdio *qdio = wka_port->adapter->qdio;
         struct zfcp_fsf_req *req;
@@ -1111,7 +1112,7 @@ int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *wka_port,
 
         req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
         ret = zfcp_fsf_setup_ct_els(req, ct->req, ct->resp,
-                                    FSF_MAX_SBALS_PER_REQ);
+                                    FSF_MAX_SBALS_PER_REQ, timeout);
         if (ret)
                 goto failed_send;
 
@@ -1188,7 +1189,7 @@ skip_fsfstatus:
  * @els: pointer to struct zfcp_send_els with data for the command
  */
 int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
-                      struct zfcp_fsf_ct_els *els)
+                      struct zfcp_fsf_ct_els *els, unsigned int timeout)
 {
         struct zfcp_fsf_req *req;
         struct zfcp_qdio *qdio = adapter->qdio;
@@ -1206,7 +1207,7 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id,
         }
 
         req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
-        ret = zfcp_fsf_setup_ct_els(req, els->req, els->resp, 2);
+        ret = zfcp_fsf_setup_ct_els(req, els->req, els->resp, 2, timeout);
 
         if (ret)
                 goto failed_send;