We can support HDIO_GET_IDENTITY ioctl, enable blkvsc_ioctl().
Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
Signed-off-by: Hank Janssen <hjans...@microsoft.com>
---
drivers/staging/hv/blkvsc_drv.c | 11 +++--------
1 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 1203049..12a9083 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -412,23 +412,18 @@ 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;
--
1.7.4.1
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