Re: [Qemu-block] [Qemu-devel] [PATCH] block.c: fix real cdrom detection

[Paolo Bonzini]

On 25/06/2015 17:32, Programmingkid wrote:
>> I think we are going to have to agree to disagree. I have never
>> used the /dev/sr(0 | 1) devices and don't see how they would be
>> effected by this patch. Are you trying to say the /dev/sr(0 | 1)
>> devices *should* be handled by this patch?
> 
> Thinking about your question some more, I see what you mean. On Linux
> /dev/sr0 refers to the cdrom drive. Also on Linux, the /dev/cdrom
> link refers to the /dev/sr0 device file. So if you just use
> /dev/cdrom, you are good.

Well, that's not how things work.

If you do things like that, you end up with a bunch of hacks, not with a
decent piece of software.

There is support for CD-ROM passthrough on Linux and FreeBSD in
block/raw-posix.c.  Perhaps the FreeBSD support can be extended to OS X
as well.

Paolo