Re: [PATCH v5 00/10] xen-block: multi hardware-queues/rings support

[Konrad Rzeszutek Wilk]

>   xen/blkback: separate ring information out of struct xen_blkif
>   xen/blkback: pseudo support for multi hardware queues/rings
>   xen/blkback: get the number of hardware queues/rings from blkfront
>   xen/blkback: make pool of persistent grants and free pages per-queue

OK, got to those as well. I have put them in 'devel/for-jens-4.5' and
are going to test them overnight before pushing them out.

I see two bugs in the code that we MUST deal with:

 - print_stats () is going to show zero values.
 - the sysfs code (VBD_SHOW) aren't converted over to fetch data
   from all the rings.

> 
>  drivers/block/xen-blkback/blkback.c | 386 ++++++++++---------
>  drivers/block/xen-blkback/common.h  |  78 ++--
>  drivers/block/xen-blkback/xenbus.c  | 359 ++++++++++++------
>  drivers/block/xen-blkfront.c        | 718 ++++++++++++++++++++++--------------
>  include/xen/interface/io/blkif.h    |  48 +++
>  5 files changed, 971 insertions(+), 618 deletions(-)
> 
> -- 
> 1.8.3.1
> 
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