linux-kernel - Re: [PATCH] blk: optimization for classic polling

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Date:   Wed, 10 Oct 2018 11:52:57 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Nitesh Shetty <nj.shetty@...sung.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        viro@...iv.linux.org.uk
Cc:     linux-block@...r.kernel.org, axboe@...com,
        linux-nvme@...ts.infradead.org, joshi.k@...sung.com
Subject: Re: [PATCH] blk: optimization for classic polling

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@...sung.com>

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