Re: [PATCH v3] virtio_blk: add VIRTIO_BLK_F_LIFETIME feature support

Michael S. Tsirkin
2022-12-07T10:22:09Z

On Tue, Dec 06, 2022 at 11:35:31PM -0800, Christoph Hellwig wrote:
> This just seems like a horrible interface. And virtio-blk should be
> a simple passthrough and not grow tons of side-band crap like this.
>
> If you want to pass through random misc information use virtio-scsi
> or nvme with shadow doorbell buffers.

Christoph you acked the spec patch adding this to virtio blk:

Still not a fan of the encoding, but at least it is properly documented
now:

Acked-by: Christoph Hellwig <hch@lst.de>

Did you change your mind then? Or do you prefer a different encoding for
the ioctl then? could you help sugesting what kind?

Thanks,

--
MST