Staging: hv: Move the definition of the function put_stor_device()

In preparation for further cleaning up storvsc.c move the definition
of the inline function put_stor_device() from storvsc.c to
storvsc_api.h.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/storvsc.c

@@ -71,15 +71,6 @@ static inline struct storvsc_device *must_get_stor_device(
 	return stor_device;
 }
 
-static inline void put_stor_device(struct hv_device *device)
-{
-	struct storvsc_device *stor_device;
-
-	stor_device = (struct storvsc_device *)device->ext;
-
-	atomic_dec(&stor_device->ref_count);
-}
-
 /* Drop ref count to 1 to effectively disable get_stor_device() */
 static inline struct storvsc_device *release_stor_device(
 					struct hv_device *device)

drivers/staging/hv/storvsc_api.h

@@ -152,6 +152,16 @@ static inline struct storvsc_device *get_stor_device(struct hv_device *device)
 	return stor_device;
 }
 
+
+static inline void put_stor_device(struct hv_device *device)
+{
+	struct storvsc_device *stor_device;
+
+	stor_device = (struct storvsc_device *)device->ext;
+
+	atomic_dec(&stor_device->ref_count);
+}
+
 /* Interface */
 int stor_vsc_on_host_reset(struct hv_device *device);