Staging: hv: Move the function storvsc_commmand_completion() to earlier in the file
authorK. Y. Srinivasan <kys@microsoft.com>
Tue, 10 May 2011 14:54:41 +0000 (07:54 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 11 May 2011 20:48:39 +0000 (13:48 -0700)
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/hv/storvsc_drv.c

index 0d9ce56fa3dfc0635da4f495ba6acb06077c8688..d10e5331a1f20adfdd5a5f2144f728b8b6ccde2f 100644 (file)
@@ -539,6 +539,64 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
        return ret;
 }
 
+
+/*
+ * storvsc_commmand_completion - Command completion processing
+ */
+static void storvsc_commmand_completion(struct hv_storvsc_request *request)
+{
+       struct storvsc_cmd_request *cmd_request =
+               (struct storvsc_cmd_request *)request->context;
+       struct scsi_cmnd *scmnd = cmd_request->cmd;
+       struct hv_host_device *host_dev =
+               (struct hv_host_device *)scmnd->device->host->hostdata;
+       void (*scsi_done_fn)(struct scsi_cmnd *);
+       struct scsi_sense_hdr sense_hdr;
+       struct vmscsi_request *vm_srb;
+
+       /* ASSERT(request == &cmd_request->request); */
+       /* ASSERT(scmnd); */
+       /* ASSERT((unsigned long)scmnd->host_scribble == */
+       /*        (unsigned long)cmd_request); */
+       /* ASSERT(scmnd->scsi_done); */
+
+       if (cmd_request->bounce_sgl_count) {
+               /* using bounce buffer */
+               /* printk("copy_from_bounce_buffer\n"); */
+
+               /* FIXME: We can optimize on writes by just skipping this */
+               copy_from_bounce_buffer(scsi_sglist(scmnd),
+                                       cmd_request->bounce_sgl,
+                                       scsi_sg_count(scmnd));
+               destroy_bounce_buffer(cmd_request->bounce_sgl,
+                                     cmd_request->bounce_sgl_count);
+       }
+
+       vm_srb = &request->vstor_packet.vm_srb;
+       scmnd->result = vm_srb->scsi_status;
+
+       if (scmnd->result) {
+               if (scsi_normalize_sense(scmnd->sense_buffer,
+                               SCSI_SENSE_BUFFERSIZE, &sense_hdr))
+                       scsi_print_sense_hdr("storvsc", &sense_hdr);
+       }
+
+       /* ASSERT(request->BytesXfer <= request->data_buffer.Length); */
+       scsi_set_resid(scmnd,
+               request->data_buffer.len -
+               vm_srb->data_transfer_length);
+
+       scsi_done_fn = scmnd->scsi_done;
+
+       scmnd->host_scribble = NULL;
+       scmnd->scsi_done = NULL;
+
+       /* !!DO NOT MODIFY the scmnd after this call */
+       scsi_done_fn(scmnd);
+
+       kmem_cache_free(host_dev->request_pool, cmd_request);
+}
+
 /* Static decl */
 static int storvsc_probe(struct hv_device *dev);
 static int storvsc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd);
@@ -718,63 +776,6 @@ static int storvsc_probe(struct hv_device *device)
        return ret;
 }
 
-/*
- * storvsc_commmand_completion - Command completion processing
- */
-static void storvsc_commmand_completion(struct hv_storvsc_request *request)
-{
-       struct storvsc_cmd_request *cmd_request =
-               (struct storvsc_cmd_request *)request->context;
-       struct scsi_cmnd *scmnd = cmd_request->cmd;
-       struct hv_host_device *host_dev =
-               (struct hv_host_device *)scmnd->device->host->hostdata;
-       void (*scsi_done_fn)(struct scsi_cmnd *);
-       struct scsi_sense_hdr sense_hdr;
-       struct vmscsi_request *vm_srb;
-
-       /* ASSERT(request == &cmd_request->request); */
-       /* ASSERT(scmnd); */
-       /* ASSERT((unsigned long)scmnd->host_scribble == */
-       /*        (unsigned long)cmd_request); */
-       /* ASSERT(scmnd->scsi_done); */
-
-       if (cmd_request->bounce_sgl_count) {
-               /* using bounce buffer */
-               /* printk("copy_from_bounce_buffer\n"); */
-
-               /* FIXME: We can optimize on writes by just skipping this */
-               copy_from_bounce_buffer(scsi_sglist(scmnd),
-                                       cmd_request->bounce_sgl,
-                                       scsi_sg_count(scmnd));
-               destroy_bounce_buffer(cmd_request->bounce_sgl,
-                                     cmd_request->bounce_sgl_count);
-       }
-
-       vm_srb = &request->vstor_packet.vm_srb;
-       scmnd->result = vm_srb->scsi_status;
-
-       if (scmnd->result) {
-               if (scsi_normalize_sense(scmnd->sense_buffer,
-                               SCSI_SENSE_BUFFERSIZE, &sense_hdr))
-                       scsi_print_sense_hdr("storvsc", &sense_hdr);
-       }
-
-       /* ASSERT(request->BytesXfer <= request->data_buffer.Length); */
-       scsi_set_resid(scmnd,
-               request->data_buffer.len -
-               vm_srb->data_transfer_length);
-
-       scsi_done_fn = scmnd->scsi_done;
-
-       scmnd->host_scribble = NULL;
-       scmnd->scsi_done = NULL;
-
-       /* !!DO NOT MODIFY the scmnd after this call */
-       scsi_done_fn(scmnd);
-
-       kmem_cache_free(host_dev->request_pool, cmd_request);
-}
-
 /*
  * storvsc_queuecommand - Initiate command processing
  */
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