Staging: hv: Move some definitions/declarations to be earlier in the file

Move some definitions/declarations to be earlier in the file.
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/blkvsc_drv.c

@@ -124,6 +124,14 @@ static const struct hv_guid g_blk_device_type = {
  */
 static void blkvsc_request_completion(struct hv_storvsc_request *request);
 
+static int blkvsc_ringbuffer_size = BLKVSC_RING_BUFFER_SIZE;
+
+/*
+ * There is a circular dependency involving blkvsc_probe()
+ * and block_ops.
+ */
+static int blkvsc_probe(struct device *dev);
+
 static int blk_vsc_on_device_add(struct hv_device *device,
 				void *additional_info)
 {
@@ -1205,10 +1213,7 @@ static void blkvsc_request(struct request_queue *queue)
 	}
 }
 
-/* Static decl */
-static int blkvsc_probe(struct device *dev);
 
-static int blkvsc_ringbuffer_size = BLKVSC_RING_BUFFER_SIZE;
 module_param(blkvsc_ringbuffer_size, int, S_IRUGO);
 MODULE_PARM_DESC(ring_size, "Ring buffer size (in bytes)");