RE: [Xen-devel] poor domU VBD performance.

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

 > Could you try again, but replace calls to 
> blk_run_queue(plugged_queue) in blkback.c with:
>     if ( plugged_queue->unplug_fn )
>            plugged_queue->unplug_fn(plugged_queue);
> 
> This looks like a better match with what various other 
> drivers do (e.g. 
> swraid).

This patch is required to make it work with LVM. 2.0-testing and
unstable will be updated shortly...

Ian 

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