Re: blktap2 implementation in NetBSD

[Roger Pau Monné <roger.pau%entel.upc.edu@localhost>]

Hello,

Thanks for the help, it took me quite some time to realize that you
can implement block devices inside virtual filesystems, that's a
really good trick.

Regards, Roger.

2011/7/27 Manuel Bouyer <bouyer%antioche.eu.org@localhost>:
> On Wed, Jul 27, 2011 at 12:52:39PM +0200, Roger Pau Monné wrote:
>> Hello,
>>
>> I'm doing some research about how to implement something similar to
>> the blktap2 Linux driver on NetBSD, to be able to use different image
>> formats (other than raw). I've read on other threads that blktap will
>> be implemented using puffs on NetBSD, but I'm not able to see how is
>> that possible, since puffs does not provide a block devices. I've read
>> about RUMP, and it seems it would be best to implement the driver
>> using RUMP, and maybe when it's finished include it in the kernel, but
>> I'm not sure if it's the best way to implement it, could someone give
>> me some advice or status about this project?
>
> Have a look at pkgsrc/net/netbsd-iscsi-initiator, it's a block device
> implemented in userland.
>
> --
> Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>     NetBSD: 26 ans d'experience feront toujours la difference
> --
>