Re: [Xen-devel] What are the new features from blktaps

[Daniel Stodden <daniel.stodden@xxxxxxxxxx>]

On Tue, 2010-01-12 at 15:05 -0500, Jia Rao wrote:
> Hi all,
> 
> 
> Searched but can't find anything.
> I am wondering what are the new features that will come with blktap2,
> compared to blktap ?

Right now it's mainly an architectural thing.

- The original blktap duplicated a lot of what originally 
  constituted just blkback.

- Access to virtual disk images from within dom0 gets 
  more straightforward. Which matters a lot for some things dom0 can 
  do to disks.

- Request dispatch between kernel and userspace will get way more
  efficient at some point.

- Blktap on non-Xen systems ...

- ...

Daniel


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