Re: [PATCH] blk: optimization for classic polling
From: Florian Fainelli
Date: Wed Oct 10 2018 - 14:53:12 EST
On 05/29/2083 08:21 PM, Nitesh Shetty wrote:
> This removes the dependency on interrupts to wake up task. Set task
> state as TASK_RUNNING, if need_resched() returns true,
> while polling for IO completion.
> Earlier, polling task used to sleep, relying on interrupt to wake it up.
> This made some IO take very long when interrupt-coalescing is enabled in
> NVMe.
>
> Reference:
> http://lists.infradead.org/pipermail/linux-nvme/2018-February/015435.html
> Signed-off-by: Nitesh Shetty <nj.shetty@xxxxxxxxxxx>
There is something seriously wrong with the date on your computer, this
patch is dated from May 29th 2083,... I would not be surprised if it
messed up people's email client and you did not get any response because
of that...
--
Florian