[PATCH 02/44] bfa: don't use fc_bsg_job::request and fc_bsg_job::reply directly

From: Johannes Thumshirn
Date: Tue Oct 11 2016 - 07:39:33 EST


Don't use fc_bsg_job::request and fc_bsg_job::reply directly, but use
helper variables bsg_request and bsg_reply. This will be helpfull when
transitioning to bsg-lib.

Signed-off-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
---
drivers/scsi/bfa/bfad_bsg.c | 40 +++++++++++++++++++++++-----------------
1 file changed, 23 insertions(+), 17 deletions(-)

diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index d1ad020..48366d8 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -3132,7 +3132,9 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
static int
bfad_im_bsg_vendor_request(struct fc_bsg_job *job)
{
- uint32_t vendor_cmd = job->request->rqst_data.h_vendor.vendor_cmd[0];
+ 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_s *bfad = im_port->bfad;
@@ -3175,8 +3177,8 @@ bfad_im_bsg_vendor_request(struct fc_bsg_job *job)

/* Fill the BSG job reply data */
job->reply_len = job->reply_payload.payload_len;
- job->reply->reply_payload_rcv_len = job->reply_payload.payload_len;
- job->reply->result = rc;
+ bsg_reply->reply_payload_rcv_len = job->reply_payload.payload_len;
+ bsg_reply->result = rc;

job->job_done(job);
return rc;
@@ -3184,9 +3186,9 @@ error:
/* free the command buffer */
kfree(payload_kbuf);
out:
- job->reply->result = rc;
+ bsg_reply->result = rc;
job->reply_len = sizeof(uint32_t);
- job->reply->reply_payload_rcv_len = 0;
+ bsg_reply->reply_payload_rcv_len = 0;
return rc;
}

@@ -3362,18 +3364,20 @@ bfad_im_bsg_els_ct_request(struct fc_bsg_job *job)
struct bfad_fcxp *drv_fcxp;
struct bfa_fcs_lport_s *fcs_port;
struct bfa_fcs_rport_s *fcs_rport;
- uint32_t command_type = job->request->msgcode;
+ struct fc_bsg_request *bsg_request = bsg_request;
+ struct fc_bsg_reply *bsg_reply = job->reply;
+ uint32_t command_type = bsg_request->msgcode;
unsigned long flags;
struct bfad_buf_info *rsp_buf_info;
void *req_kbuf = NULL, *rsp_kbuf = NULL;
int rc = -EINVAL;

job->reply_len = sizeof(uint32_t); /* Atleast uint32_t reply_len */
- job->reply->reply_payload_rcv_len = 0;
+ bsg_reply->reply_payload_rcv_len = 0;

/* Get the payload passed in from userspace */
- bsg_data = (struct bfa_bsg_data *) (((char *)job->request) +
- sizeof(struct fc_bsg_request));
+ bsg_data = (struct bfa_bsg_data *) (((char *)bsg_request) +
+ sizeof(struct fc_bsg_request));
if (bsg_data == NULL)
goto out;

@@ -3517,13 +3521,13 @@ bfad_im_bsg_els_ct_request(struct fc_bsg_job *job)
/* fill the job->reply data */
if (drv_fcxp->req_status == BFA_STATUS_OK) {
job->reply_len = drv_fcxp->rsp_len;
- job->reply->reply_payload_rcv_len = drv_fcxp->rsp_len;
- job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
+ bsg_reply->reply_payload_rcv_len = drv_fcxp->rsp_len;
+ bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
} else {
- job->reply->reply_payload_rcv_len =
+ bsg_reply->reply_payload_rcv_len =
sizeof(struct fc_bsg_ctels_reply);
job->reply_len = sizeof(uint32_t);
- job->reply->reply_data.ctels_reply.status =
+ bsg_reply->reply_data.ctels_reply.status =
FC_CTELS_STATUS_REJECT;
}

@@ -3549,7 +3553,7 @@ out_free_mem:
kfree(bsg_fcpt);
kfree(drv_fcxp);
out:
- job->reply->result = rc;
+ bsg_reply->result = rc;

if (rc == BFA_STATUS_OK)
job->job_done(job);
@@ -3560,9 +3564,11 @@ out:
int
bfad_im_bsg_request(struct fc_bsg_job *job)
{
+ struct fc_bsg_request *bsg_request = job->request;
+ struct fc_bsg_reply *bsg_reply = job->reply;
uint32_t rc = BFA_STATUS_OK;

- switch (job->request->msgcode) {
+ switch (bsg_request->msgcode) {
case FC_BSG_HST_VENDOR:
/* Process BSG HST Vendor requests */
rc = bfad_im_bsg_vendor_request(job);
@@ -3575,8 +3581,8 @@ bfad_im_bsg_request(struct fc_bsg_job *job)
rc = bfad_im_bsg_els_ct_request(job);
break;
default:
- job->reply->result = rc = -EINVAL;
- job->reply->reply_payload_rcv_len = 0;
+ bsg_reply->result = rc = -EINVAL;
+ bsg_reply->reply_payload_rcv_len = 0;
break;
}

--
1.8.5.6