[dm-devel] [PATCH 0/3] Workqueue framework and ALUA hardware handler

[S. J. van Harmelen]

Hi Hannes,

Can you tell me when these patches get in the kernel? Is that going to
be 2.6.24.x or can we expect them before that?

Sander



On Thu, 2007-11-15 at 10:13 +0100, Hannes Reinecke wrote:
> Hi all,
> 
> this patchset adds some more abstraction to the multipath
> hardware handlers.
> - A generic workqueue framework is added, which allows the
>   hardware handler to submit failover commands independent
>   from multipath I/O.
> - The exsting RDAC hardware handler is converted to use that
>   framework
> - A new SPC-3 ALUA hardware handler is added, using that
>   framework
> - A controller abstraction is added to the framework, which
>   allows for command throttling based on the used controller.
> - The RDAC hardware handler is modified to use the new
>   controller framework.
> 
> This patchset superseded my previous implementation of the
> SPC-3 ALUA handler.
> Next plans are to update the table definitions and multipath-tools
> to allow for a passing of the controller ID from userland; ALUA
> doesn't specify for any controller information, so we have to
> do this by hand based on prior knowledge of the storage array.
> 
> As per normal, comments etc welcome.
> 
> Cheers,
> 
> Hannes