Staging: hv: Get rid of blkvsc_check_events()

We don't support removable media in Hyper-V block driver.
Get rid of blkvsc_check_events() as it is efectively "dead code".

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/blkvsc_drv.c

@@ -244,14 +244,6 @@ static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
 }
 
 
-static unsigned int blkvsc_check_events(struct gendisk *gd,
-					unsigned int clearing)
-{
-	DPRINT_DBG(BLKVSC_DRV, "- enter\n");
-	return DISK_EVENT_MEDIA_CHANGE;
-}
-
-
 static int blkvsc_open(struct block_device *bdev, fmode_t mode)
 {
 	struct block_device_context *blkdev = bdev->bd_disk->private_data;
@@ -389,7 +381,6 @@ static const struct block_device_operations block_ops = {
 	.owner = THIS_MODULE,
 	.open = blkvsc_open,
 	.release = blkvsc_release,
-	.check_events = blkvsc_check_events,
 	.revalidate_disk = blkvsc_revalidate_disk,
 	.getgeo = blkvsc_getgeo,
 	.ioctl  = blkvsc_ioctl,