Commit 7b04cd08 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

Staging: hv: Enable blkvsc_ioctl() 



We can support HDIO_GET_IDENTITY ioctl, enable blkvsc_ioctl().

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarHank Janssen <hjanssen@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 8c3ab81c

drivers/staging/hv/blkvsc_drv.c

+3 −8
Original line number Diff line number Diff line
@@ -413,23 +413,18 @@ static void blkvsc_init_rw(struct blkvsc_request *blkvsc_req) 




static int blkvsc_ioctl(struct block_device *bd, fmode_t mode,

			unsigned cmd, unsigned long argument)

			unsigned cmd, unsigned long arg)

{

	int ret;

	struct block_device_context *blkdev = bd->bd_disk->private_data;

	int ret = 0;



	switch (cmd) {

	/*

	 * TODO: I think there is certain format for HDIO_GET_IDENTITY rather

	 * than just a GUID. Commented it out for now.

	 */

#if 0

	case HDIO_GET_IDENTITY:

		DPRINT_INFO(BLKVSC_DRV, "HDIO_GET_IDENTITY\n");

		if (copy_to_user((void __user *)arg, blkdev->device_id,

				 blkdev->device_id_len))

			ret = -EFAULT;

		break;

#endif

	default:

		ret = -EINVAL;

		break;