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scsi: zfcp: decouple FSF request setup of TMF from scsi_cmnd 

In zfcp_fsf_fcp_task_mgmt() resolve the still old argument scsi_cmnd into
scsi_device very early and only depend on scsi_device and derived objects in
the function body.

This prepares to later change the function signature replacing the scsi_cmnd
argument with scsi_device.

Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Steffen Maier 2018-05-17 19:14:53 +02:00 committed by Martin K. Petersen
parent e0116c91c7
commit 39abb11aca
1 changed files with 5 additions and 3 deletions
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8
drivers/s390/scsi/zfcp_fsf.c
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@ -2324,7 +2324,8 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
{
struct zfcp_fsf_req *req = NULL;
struct fcp_cmnd *fcp_cmnd;
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scmnd->device);
struct scsi_device *sdev = scmnd->device;
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
struct zfcp_qdio *qdio = zfcp_sdev->port->adapter->qdio;
if (unlikely(!(atomic_read(&zfcp_sdev->status) &
@ -2344,7 +2345,8 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
goto out;
}
req->data = scmnd->device;
req->data = sdev;
req->handler = zfcp_fsf_fcp_task_mgmt_handler;
req->qtcb->header.lun_handle = zfcp_sdev->lun_handle;
req->qtcb->header.port_handle = zfcp_sdev->port->handle;
@ -2355,7 +2357,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
fcp_cmnd = &req->qtcb->bottom.io.fcp_cmnd.iu;
zfcp_fc_fcp_tm(fcp_cmnd, scmnd->device, tm_flags);
zfcp_fc_fcp_tm(fcp_cmnd, sdev, tm_flags);
zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT);
if (!zfcp_fsf_req_send(req))