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

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 31 Mar 2005, at 19:04, Jens Axboe wrote:

> I cannot immediately see if you call bdev_put() right after queueing 
> the
> io? If so, I think the patch looks fine. If not, you are missing the
> last unplug :-)
That's not the job of bdev_put(): the final unplug is done at the end 
of blkio_schedule -- the same place that I do a run_task_queue() when 
compling for Linux 2.4.
 Cheers,
 Keir


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