Staging: hv: Get rid of the forward declaration of blkvsc_open()

Get rid of the forward declaration of blkvsc_open() by moving the code around.
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

@@ -106,6 +106,7 @@ struct block_device_context {
 	int users;
 };
 
+static DEFINE_MUTEX(blkvsc_mutex);
 
 static const char *g_blk_driver_name = "blkvsc";
 
@@ -251,13 +252,34 @@ static unsigned int blkvsc_check_events(struct gendisk *gd,
 }
 
 
+static int blkvsc_open(struct block_device *bdev, fmode_t mode)
+{
+	struct block_device_context *blkdev = bdev->bd_disk->private_data;
+
+	DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
+		   blkdev->gd->disk_name);
+
+	mutex_lock(&blkvsc_mutex);
+	spin_lock(&blkdev->lock);
+
+	if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
+		spin_unlock(&blkdev->lock);
+		check_disk_change(bdev);
+		spin_lock(&blkdev->lock);
+	}
+
+	blkdev->users++;
+
+	spin_unlock(&blkdev->lock);
+	mutex_unlock(&blkvsc_mutex);
+	return 0;
+}
+
 /* Static decl */
-static DEFINE_MUTEX(blkvsc_mutex);
 static int blkvsc_probe(struct device *dev);
 static int blkvsc_remove(struct device *device);
 static void blkvsc_shutdown(struct device *device);
 
-static int blkvsc_open(struct block_device *bdev,  fmode_t mode);
 static int blkvsc_release(struct gendisk *disk, fmode_t mode);
 static int blkvsc_revalidate_disk(struct gendisk *gd);
 static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg);
@@ -1368,29 +1390,6 @@ static void blkvsc_request(struct request_queue *queue)
 	}
 }
 
-static int blkvsc_open(struct block_device *bdev, fmode_t mode)
-{
-	struct block_device_context *blkdev = bdev->bd_disk->private_data;
-
-	DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
-		   blkdev->gd->disk_name);
-
-	mutex_lock(&blkvsc_mutex);
-	spin_lock(&blkdev->lock);
-
-	if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
-		spin_unlock(&blkdev->lock);
-		check_disk_change(bdev);
-		spin_lock(&blkdev->lock);
-	}
-
-	blkdev->users++;
-
-	spin_unlock(&blkdev->lock);
-	mutex_unlock(&blkvsc_mutex);
-	return 0;
-}
-
 static int blkvsc_release(struct gendisk *disk, fmode_t mode)
 {
 	struct block_device_context *blkdev = disk->private_data;