virtio_blk: Remove VBID ioctl
With the availablility of a sysfs device attribute for examining disk serial
numbers the ioctl is no longer needed. The user-space changes for this aren't
upstream yet so we don't have any users to worry about.
Signed-off-by: Ryan Harper <ryanh@us.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 7a93b3f..23b7c48 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -225,16 +225,6 @@
struct gendisk *disk = bdev->bd_disk;
struct virtio_blk *vblk = disk->private_data;
- if (cmd == 0x56424944) { /* 'VBID' */
- void __user *usr_data = (void __user *)data;
- char id_str[VIRTIO_BLK_ID_BYTES];
- int err;
-
- err = virtblk_get_id(disk, id_str);
- if (!err && copy_to_user(usr_data, id_str, VIRTIO_BLK_ID_BYTES))
- err = -EFAULT;
- return err;
- }
/*
* Only allow the generic SCSI ioctls if the host can support it.
*/