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


From: Programmingkid
Subject: Re: [Qemu-devel] [PATCH] block.c: fix real cdrom detection
Date: Thu, 25 Jun 2015 13:57:38 -0400

On Jun 25, 2015, at 11:48 AM, Paolo Bonzini wrote:

> 
> 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.

Could you be more specific? A name of a function would be great.



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