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@xxxxxx> 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