block: add and use scsi_blk_cmd_ioctl

Introduce a wrapper around scsi_cmd_ioctl that takes a block device.

The function will then be enhanced to detect partition block devices
and, in that case, subject the ioctls to whitelisting.

Cc: linux-scsi@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Cc: James Bottomley <JBottomley@parallels.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index ffd5ca919295..c4a60badf252 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -250,8 +250,8 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
         if (!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_SCSI))
                 return -ENOTTY;
 
-        return scsi_cmd_ioctl(disk->queue, disk, mode, cmd,
-                              (void __user *)data);
+        return scsi_cmd_blk_ioctl(bdev, mode, cmd,
+                                  (void __user *)data);
 }
 
 /* We provide getgeo only to please some old bootloader/partitioning tools */