Re: [fuse-devel] [PATCHSET] CUSE: implement CUSE

[Goswin von Brederlow]

Mike Hommey <mh@xxxxxxxxxxxx> writes:

> On Sat, Aug 30, 2008 at 02:30:32PM +0200, Tejun Heo wrote:
>> Yeah, compared to loopback over FUSE, anything would have less
>> problem. :-) I don't know much about nbd but it's pretty much solving
>> the same problem so I think it's logical to extend nbd including
>> giving it a new transport if necessary?  Or is there something
>> fundamentally better when it's done via FUSE?
>
> My gutt feeling is that it would have less overhead when done via FUSE
> than through nbd, but that could be wrong.
>
> Mike

What I would hope is that BUSE would add some zero copy transport in
there. A way to just redirect the BIOs from the BUSE device to other
block devices without copying the data around.

But maybe BUSE is a bad name for that. That would be more a DUSE -
Device mapper in USEr space.

MfG
        Goswin.
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