[PATCH v4 04/15] scsi: fc: provide fc_bsg_to_shost() helper

From: Johannes Thumshirn
Date: Thu Nov 17 2016 - 04:36:07 EST

Provide fc_bsg_to_shost() helper that will become handy when we're moving from
struct fc_bsg_job to a plain struct bsg_job. Also use this little helper in
the LLDDs.

Signed-off-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Acked-by: Tyrel Datwyler <tyreld@xxxxxxxxxxxxxxxxxx>
---
drivers/s390/scsi/zfcp_fc.c | 6 +++--
drivers/scsi/bfa/bfad_bsg.c | 6 ++---
drivers/scsi/ibmvscsi/ibmvfc.c | 4 +--
drivers/scsi/libfc/fc_lport.c | 2 +-
drivers/scsi/lpfc/lpfc_bsg.c | 34 ++++++++++++-------------
drivers/scsi/qla2xxx/qla_bsg.c | 54 ++++++++++++++++++++--------------------
drivers/scsi/scsi_transport_fc.c | 2 +-
include/scsi/scsi_transport_fc.h | 5 ++++
8 files changed, 59 insertions(+), 54 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 87f6330..3937deb 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -901,11 +901,13 @@ static struct zfcp_fc_wka_port *zfcp_fc_job_wka_port(struct fc_bsg_job *job)
u8 gs_type;
struct zfcp_adapter *adapter;
struct fc_bsg_request *bsg_request = job->request;
+ struct Scsi_Host *shost;

preamble_word1 = bsg_request->rqst_data.r_ct.preamble_word1;
gs_type = (preamble_word1 & 0xff000000) >> 24;

- adapter = (struct zfcp_adapter *) job->shost->hostdata[0];
+ shost = fc_bsg_to_shost(job);
+ adapter = (struct zfcp_adapter *) shost->hostdata[0];

switch (gs_type) {
case FC_FST_ALIAS:
@@ -987,7 +989,7 @@ int zfcp_fc_exec_bsg_job(struct fc_bsg_job *job)
struct zfcp_fsf_ct_els *ct_els = job->dd_data;
struct fc_bsg_request *bsg_request = job->request;

- shost = job->rport ? rport_to_shost(job->rport) : job->shost;
+ shost = job->rport ? rport_to_shost(job->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/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index e49a6c8..d3094270 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -3135,8 +3135,7 @@
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
uint32_t vendor_cmd = bsg_request->rqst_data.h_vendor.vendor_cmd[0];
- struct bfad_im_port_s *im_port =
- (struct bfad_im_port_s *) job->shost->hostdata[0];
+ struct bfad_im_port_s *im_port = shost_priv(fc_bsg_to_shost(job));
struct bfad_s *bfad = im_port->bfad;
struct request_queue *request_q = job->req->q;
void *payload_kbuf;
@@ -3358,8 +3357,7 @@ struct bfad_buf_info *
bfad_im_bsg_els_ct_request(struct fc_bsg_job *job)
{
struct bfa_bsg_data *bsg_data;
- struct bfad_im_port_s *im_port =
- (struct bfad_im_port_s *) job->shost->hostdata[0];
+ struct bfad_im_port_s *im_port = shost_priv(fc_bsg_to_shost(job));
struct bfad_s *bfad = im_port->bfad;
bfa_bsg_fcpt_t *bsg_fcpt;
struct bfad_fcxp *drv_fcxp;
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 6070361..02df1f1 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1708,7 +1708,7 @@ static void ibmvfc_bsg_timeout_done(struct ibmvfc_event *evt)
**/
static int ibmvfc_bsg_timeout(struct fc_bsg_job *job)
{
- struct ibmvfc_host *vhost = shost_priv(job->shost);
+ struct ibmvfc_host *vhost = shost_priv(fc_bsg_to_shost(job));
unsigned long port_id = (unsigned long)job->dd_data;
struct ibmvfc_event *evt;
struct ibmvfc_tmf *tmf;
@@ -1821,7 +1821,7 @@ static int ibmvfc_bsg_plogi(struct ibmvfc_host *vhost, unsigned int port_id)
**/
static int ibmvfc_bsg_request(struct fc_bsg_job *job)
{
- struct ibmvfc_host *vhost = shost_priv(job->shost);
+ struct ibmvfc_host *vhost = shost_priv(fc_bsg_to_shost(job));
struct fc_rport *rport = job->rport;
struct ibmvfc_passthru_mad *mad;
struct ibmvfc_event *evt;
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 8ea6e93..3e3afe6 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -2088,7 +2088,7 @@ int fc_lport_bsg_request(struct fc_bsg_job *job)
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
struct request *rsp = job->req->next_rq;
- struct Scsi_Host *shost = job->shost;
+ struct Scsi_Host *shost = fc_bsg_to_shost(job);
struct fc_lport *lport = shost_priv(shost);
struct fc_rport *rport;
struct fc_rport_priv *rdata;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 46f0b8f..45184ee 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -384,7 +384,7 @@ struct lpfc_dmabufext {
static int
lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ 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_nodelist *ndlp = rdata->pnode;
@@ -658,7 +658,7 @@ struct lpfc_dmabufext {
static int
lpfc_bsg_rport_els(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ 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_nodelist *ndlp = rdata->pnode;
@@ -1202,7 +1202,7 @@ struct lpfc_dmabufext {
static int
lpfc_bsg_hba_set_event(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
struct fc_bsg_request *bsg_request = job->request;
struct set_ct_event *event_req;
@@ -1287,7 +1287,7 @@ struct lpfc_dmabufext {
static int
lpfc_bsg_hba_get_event(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
@@ -1625,7 +1625,7 @@ struct lpfc_dmabufext {
static int
lpfc_bsg_send_mgmt_rsp(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
@@ -2201,10 +2201,10 @@ struct lpfc_dmabufext {
struct lpfc_hba *phba;
int rc;

- shost = job->shost;
+ shost = fc_bsg_to_shost(job);
if (!shost)
return -ENODEV;
- vport = (struct lpfc_vport *)job->shost->hostdata;
+ vport = shost_priv(shost);
if (!vport)
return -ENODEV;
phba = vport->phba;
@@ -2241,10 +2241,10 @@ struct lpfc_dmabufext {
uint32_t timeout;
int rc, i;

- shost = job->shost;
+ shost = fc_bsg_to_shost(job);
if (!shost)
return -ENODEV;
- vport = (struct lpfc_vport *)job->shost->hostdata;
+ vport = shost_priv(shost);
if (!vport)
return -ENODEV;
phba = vport->phba;
@@ -2325,12 +2325,12 @@ struct lpfc_dmabufext {
struct diag_status *diag_status_reply;
int mbxstatus, rc = 0;

- shost = job->shost;
+ shost = fc_bsg_to_shost(job);
if (!shost) {
rc = -ENODEV;
goto job_error;
}
- vport = (struct lpfc_vport *)job->shost->hostdata;
+ vport = shost_priv(shost);
if (!vport) {
rc = -ENODEV;
goto job_error;
@@ -3018,7 +3018,7 @@ static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri,
static int
lpfc_bsg_diag_loopback_run(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct fc_bsg_reply *bsg_reply = job->reply;
struct lpfc_hba *phba = vport->phba;
struct lpfc_bsg_event *evt;
@@ -3322,7 +3322,7 @@ static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri,
static int
lpfc_bsg_get_dfc_rev(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct fc_bsg_reply *bsg_reply = job->reply;
struct lpfc_hba *phba = vport->phba;
struct get_mgmt_rev_reply *event_reply;
@@ -4933,7 +4933,7 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
static int
lpfc_bsg_mbox_cmd(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
struct lpfc_hba *phba = vport->phba;
@@ -5093,7 +5093,7 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
static int
lpfc_menlo_cmd(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
struct lpfc_hba *phba = vport->phba;
@@ -5257,7 +5257,7 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
static int
lpfc_forced_link_speed(struct fc_bsg_job *job)
{
- struct Scsi_Host *shost = job->shost;
+ struct Scsi_Host *shost = fc_bsg_to_shost(job);
struct lpfc_vport *vport = shost_priv(shost);
struct lpfc_hba *phba = vport->phba;
struct fc_bsg_reply *bsg_reply = job->reply;
@@ -5400,7 +5400,7 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
int
lpfc_bsg_timeout(struct fc_bsg_job *job)
{
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+ struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
struct lpfc_iocbq *cmdiocb;
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 9293d5a..109b852 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -1,4 +1,4 @@
-/*
+ /*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2014 QLogic Corporation
*
@@ -122,7 +122,7 @@
static int
qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
{
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
scsi_qla_host_t *vha = shost_priv(host);
@@ -271,7 +271,7 @@
ha = vha->hw;
type = "FC_BSG_RPT_ELS";
} else {
- host = bsg_job->shost;
+ host = fc_bsg_to_shost(bsg_job);
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_HST_ELS_NOLOGIN";
@@ -432,7 +432,7 @@
{
srb_t *sp;
struct fc_bsg_request *bsg_request = bsg_job->request;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = (DRIVER_ERROR << 16);
@@ -710,7 +710,7 @@
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval;
@@ -950,7 +950,7 @@
qla84xx_reset(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
@@ -987,7 +987,7 @@
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct verify_chip_entry_84xx *mn = NULL;
@@ -1099,7 +1099,7 @@
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct access_chip_84xx *mn = NULL;
@@ -1297,7 +1297,7 @@
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval = 0;
struct qla_port_param *port_param = NULL;
@@ -1455,7 +1455,7 @@
qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
@@ -1492,7 +1492,7 @@
qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
@@ -1528,7 +1528,7 @@
qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
@@ -1580,7 +1580,7 @@
qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
@@ -1630,7 +1630,7 @@
qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
@@ -1676,7 +1676,7 @@
qla2x00_write_i2c(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
@@ -1721,7 +1721,7 @@
qla2x00_read_i2c(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = 0;
@@ -1770,7 +1770,7 @@
qla24xx_process_bidir_cmd(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
uint32_t rval = EXT_STATUS_OK;
@@ -1949,7 +1949,7 @@
qlafx00_mgmt_cmd(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_request *bsg_request = bsg_job->request;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = (DRIVER_ERROR << 16);
@@ -2072,7 +2072,7 @@
qla26xx_serdes_op(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval = 0;
struct qla_serdes_reg sr;
@@ -2114,7 +2114,7 @@
qla8044_serdes_op(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval = 0;
struct qla_serdes_reg_ex sr;
@@ -2156,7 +2156,7 @@
qla27xx_get_flash_upd_cap(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct qla_flash_update_caps cap;
@@ -2188,7 +2188,7 @@
qla27xx_set_flash_upd_cap(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
uint64_t online_fw_attr = 0;
@@ -2234,7 +2234,7 @@
qla27xx_get_bbcr_data(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct qla_bbcr_data bbcr;
@@ -2294,7 +2294,7 @@
{
struct fc_bsg_request *bsg_request = bsg_job->request;
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
@@ -2354,7 +2354,7 @@
qla2x00_do_dport_diagnostics(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- struct Scsi_Host *host = bsg_job->shost;
+ struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
scsi_qla_host_t *vha = shost_priv(host);
int rval;
struct qla_dport_diag *dd;
@@ -2489,7 +2489,7 @@
host = rport_to_shost(rport);
vha = shost_priv(host);
} else {
- host = bsg_job->shost;
+ host = fc_bsg_to_shost(bsg_job);
vha = shost_priv(host);
}

@@ -2528,7 +2528,7 @@
qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
{
struct fc_bsg_reply *bsg_reply = bsg_job->reply;
- scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
+ scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
int cnt, que;
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 66871c8..b6e7abf 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3639,7 +3639,7 @@ static void fc_bsg_softirq_done(struct request *rq)
fc_bsg_job_timeout(struct request *req)
{
struct fc_bsg_job *job = (void *) req->special;
- struct Scsi_Host *shost = job->shost;
+ struct Scsi_Host *shost = fc_bsg_to_shost(job);
struct fc_internal *i = to_fc_internal(shost->transportt);
unsigned long flags;
int err = 0, done = 0;
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index eca8ed7..efb9488 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -819,6 +819,11 @@ static inline void u64_to_wwn(u64 inm, u8 *wwn)
vport->vport_state = new_state;
}

+static inline struct Scsi_Host *fc_bsg_to_shost(struct fc_bsg_job *job)
+{
+ return job->shost;
+}
+
struct scsi_transport_template *fc_attach_transport(
struct fc_function_template *);
void fc_release_transport(struct scsi_transport_template *);
--
1.8.5.6