Re: [PATCH BUGFIX/IMPROVEMENT 0/3] bfq: one fix and two important improvements for throughput

From: Jens Axboe
Date: Fri Sep 14 2018 - 15:06:34 EST


On 9/14/18 8:23 AM, Paolo Valente wrote:
> Hi Jens,
> the second and third patch in this series provide two important
> improvements in bfq's ability to boost throughput with random I/O. The
> benefits of the second patch concern I/O control, and are described in
> detail in this LWN article [1] (and briefly in the commit message
> itself). The benefits of the other patch should be
> straightforward. Finally, the first patch fixes an I/O-control bug,
> found while making the second patch.
>
> These patches modify somehow core operations of bfq, so, before
> submitting them, I have tested them a lot, and have had them tested by
> other people too. In particular, during these months, they have been
> tested in systems ranging from PCs to development platforms.

Applied for 4.20, thanks Paolo.

--
Jens Axboe