Re: [Qemu-devel] Re: Commit 622b520f changed -drive if=scsi, index=N, intentional?

[Gerd Hoffmann <kraxel@redhat.com>]

   Hi,

>           } else if (!strcmp(buf, "scsi")) {
>              type = IF_SCSI;
> -            max_devs = MAX_SCSI_DEVS;
> +            max_devs = 7;

> That's very obviously not much more than a hack, but I don't think
> blockdev.c can get the real number easily (please prove me wrong). With
> this hack, we would get the old behaviour for -drive (which doesn't use
> any other controller anyway) and you can still use -device to attach
> more devices to a non-lsi bus.

Looks sensible to me.  scsi controllers with more than 7 devs (megasas 
and whatever else might be coming, virtio?) can't be added via if=scsi 
legacy syntax and must use -blockdev and -device anyway.

We probably want add a comment explaining this though.

cheers,
   Gerd