Staging: hv: storvsc: Get rid of some unnecessary state and definitions

Now, get rid of some unnecessary state and definitions.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index ce8652e..5e306a5 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -245,7 +245,6 @@
 
 
 struct hv_storvsc_request {
-	struct hv_storvsc_request *request;
 	struct hv_device *device;
 
 	/* Synchronize the request/response if needed */
@@ -260,14 +259,6 @@
 };
 
 
-struct storvsc_device_info {
-	u32 ring_buffer_size;
-	unsigned int port_number;
-	unsigned char path_id;
-	unsigned char target_id;
-};
-
-
 /* A storvsc device is a device object that contains a vmbus channel */
 struct storvsc_device {
 	struct hv_device *device;