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Date: Wed, 12 Oct 2016 15:06:32 +0200
From: Johannes Thumshirn <jthumshirn@...e.de>
To: "Martin K . Petersen" <martin.petersen@...cle.com>
Cc: Christoph Hellwig <hch@...radead.org>,
Hannes Reinecke <hare@...e.de>,
Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
Johannes Thumshirn <jthumshirn@...e.de>,
Steffen Maier <maier@...ux.vnet.ibm.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
"James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
Johannes Thumshirn <jth@...nel.org>,
James Smart <james.smart@...gotech.com>,
Dick Kennedy <dick.kennedy@...gotech.com>,
qla2xxx-upstream@...gic.com (supporter:QLOGIC QLA2XXX FC-SCSI DRIVER),
linux-s390@...r.kernel.org (open list:S390 ZFCP DRIVER),
linuxppc-dev@...ts.ozlabs.org (open list:LINUX FOR POWERPC (32-BIT AND
64-BIT)),
fcoe-devel@...n-fcoe.org (open list:FCOE SUBSYSTEM (libfc, libfcoe,
fcoe))
Subject: [PATCH v2 06/16] scsi: fc: provide fc_bsg_to_rport() helper
Provide fc_bsg_to_rport() helper that will become handy when we're moving
from struct fc_bsg_job to a plain struct bsg_job. Also move all LLDDs to use
the new helper.
Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
---
drivers/s390/scsi/zfcp_fc.c | 5 +++--
drivers/scsi/ibmvscsi/ibmvfc.c | 2 +-
drivers/scsi/libfc/fc_lport.c | 4 ++--
drivers/scsi/lpfc/lpfc_bsg.c | 4 ++--
drivers/scsi/qla2xxx/qla_bsg.c | 4 ++--
drivers/scsi/scsi_transport_fc.c | 3 ++-
include/scsi/scsi_transport_fc.h | 5 +++++
7 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 813c286..1977a66 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -938,7 +938,7 @@ static int zfcp_fc_exec_els_job(struct fc_bsg_job *job,
struct zfcp_adapter *adapter)
{
struct zfcp_fsf_ct_els *els = job->dd_data;
- struct fc_rport *rport = job->rport;
+ struct fc_rport *rport = fc_bsg_to_rport(job);
struct fc_bsg_request *bsg_request = job->request;
struct zfcp_port *port;
u32 d_id;
@@ -986,8 +986,9 @@ int zfcp_fc_exec_bsg_job(struct fc_bsg_job *job)
struct zfcp_adapter *adapter;
struct zfcp_fsf_ct_els *ct_els = job->dd_data;
struct fc_bsg_request *bsg_request = job->request;
+ struct fc_rport *rport = fc_bsg_to_rport(job);
- shost = job->rport ? rport_to_shost(job->rport) : fc_bsg_to_shost(job);
+ shost = rport ? rport_to_shost(rport) : fc_bsg_to_shost(job);
adapter = (struct zfcp_adapter *)shost->hostdata[0];
if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN))
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index f7b50af..35114d9 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1816,7 +1816,7 @@ unlock_out:
static int ibmvfc_bsg_request(struct fc_bsg_job *job)
{
struct ibmvfc_host *vhost = shost_priv(fc_bsg_to_shost(job));
- struct fc_rport *rport = job->rport;
+ struct fc_rport *rport = fc_bsg_to_rport(job);
struct ibmvfc_passthru_mad *mad;
struct ibmvfc_event *evt;
union ibmvfc_iu rsp_iu;
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index c60fdb9..156708a 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -2102,7 +2102,7 @@ int fc_lport_bsg_request(struct fc_bsg_job *job)
switch (bsg_request->msgcode) {
case FC_BSG_RPT_ELS:
- rport = job->rport;
+ rport = fc_bsg_to_rport(job);
if (!rport)
break;
@@ -2112,7 +2112,7 @@ int fc_lport_bsg_request(struct fc_bsg_job *job)
break;
case FC_BSG_RPT_CT:
- rport = job->rport;
+ rport = fc_bsg_to_rport(job);
if (!rport)
break;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index bfcc37d..dae7cc3 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -386,7 +386,7 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
- struct lpfc_rport_data *rdata = job->rport->dd_data;
+ struct lpfc_rport_data *rdata = fc_bsg_to_rport(job)->dd_data;
struct lpfc_nodelist *ndlp = rdata->pnode;
struct fc_bsg_reply *bsg_reply = job->reply;
struct ulp_bde64 *bpl = NULL;
@@ -660,7 +660,7 @@ lpfc_bsg_rport_els(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
- struct lpfc_rport_data *rdata = job->rport->dd_data;
+ struct lpfc_rport_data *rdata = fc_bsg_to_rport(job)->dd_data;
struct lpfc_nodelist *ndlp = rdata->pnode;
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 109b852..917eafe 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -264,7 +264,7 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
uint16_t nextlid = 0;
if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
- rport = bsg_job->rport;
+ rport = fc_bsg_to_rport(bsg_job);
fcport = *(fc_port_t **) rport->dd_data;
host = rport_to_shost(rport);
vha = shost_priv(host);
@@ -2485,7 +2485,7 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
bsg_reply->reply_payload_rcv_len = 0;
if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
- rport = bsg_job->rport;
+ rport = fc_bsg_to_rport(bsg_job);
host = rport_to_shost(rport);
vha = shost_priv(host);
} else {
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index d6d18ce..96b3a2e 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3640,11 +3640,12 @@ fc_bsg_job_timeout(struct request *req)
{
struct fc_bsg_job *job = (void *) req->special;
struct Scsi_Host *shost = fc_bsg_to_shost(job);
+ struct fc_rport *rport = fc_bsg_to_rport(job);
struct fc_internal *i = to_fc_internal(shost->transportt);
unsigned long flags;
int err = 0, done = 0;
- if (job->rport && job->rport->port_state == FC_PORTSTATE_BLOCKED)
+ if (rport && rport->port_state == FC_PORTSTATE_BLOCKED)
return BLK_EH_RESET_TIMER;
spin_lock_irqsave(&job->job_lock, flags);
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index efb9488..9f53fe3 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -824,6 +824,11 @@ static inline struct Scsi_Host *fc_bsg_to_shost(struct fc_bsg_job *job)
return job->shost;
}
+static inline struct fc_rport *fc_bsg_to_rport(struct fc_bsg_job *job)
+{
+ return job->rport;
+}
+
struct scsi_transport_template *fc_attach_transport(
struct fc_function_template *);
void fc_release_transport(struct scsi_transport_template *);
--
1.8.5.6
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