Staging: hv: Get rid of sense_buffer_size from struct hv_storvsc_request

In preparation for consolidating all I/O request state, get rid of the
sense_buffer_size field from struct hv_storvsc_request and instead
hardcode this value as is currently done.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: NAbhishek Kane <v-abkane@microsoft.com>
Signed-off-by: NHank Janssen <hjanssen@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/blkvsc_drv.c

@@ -953,7 +953,6 @@ static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
 	memcpy(vm_srb->cdb, blkvsc_req->cmnd, vm_srb->cdb_length);
 
 	storvsc_req->sense_buffer = blkvsc_req->sense_buffer;
-	storvsc_req->sense_buffer_size = SCSI_SENSE_BUFFERSIZE;
 
 	ret = storvsc_drv_obj->on_io_request(blkdev->device_ctx,
 					   &blkvsc_req->request);

drivers/staging/hv/storvsc.c

@@ -318,8 +318,6 @@ static void stor_vsc_on_io_completion(struct hv_device *device,
 			       vstor_packet->vm_srb.sense_data,
 			       vstor_packet->vm_srb.sense_info_length);
 
-			request->sense_buffer_size =
-					vstor_packet->vm_srb.sense_info_length;
 		}
 	}
 

drivers/staging/hv/storvsc_api.h

@@ -70,7 +70,6 @@ struct hv_storvsc_request {
 	u32 bytes_xfer;
 
 	unsigned char *sense_buffer;
-	u32 sense_buffer_size;
 
 	void *context;
 

drivers/staging/hv/storvsc_drv.c

@@ -477,7 +477,7 @@ static void storvsc_commmand_completion(struct hv_storvsc_request *request)
 
 	if (scmnd->result) {
 		if (scsi_normalize_sense(scmnd->sense_buffer,
-				request->sense_buffer_size, &sense_hdr))
+				SCSI_SENSE_BUFFERSIZE, &sense_hdr))
 			scsi_print_sense_hdr("storvsc", &sense_hdr);
 	}
 
@@ -785,7 +785,6 @@ static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd,
 	memcpy(vm_srb->cdb, scmnd->cmnd, vm_srb->cdb_length);
 
 	request->sense_buffer = scmnd->sense_buffer;
-	request->sense_buffer_size = SCSI_SENSE_BUFFERSIZE;
 
 
 	request->data_buffer.len = scsi_bufflen(scmnd);