linux-kernel - Re: [RFC] blk-mq and I/O scheduling

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Message-ID: <20151201073728.GA12319@suselix.suse.de>
Date:	Tue, 1 Dec 2015 08:37:28 +0100
From:	Andreas Herrmann <aherrmann@...e.com>
To:	Christoph Hellwig <hch@....de>
Cc:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
	linux-block@...r.kernel.org
Subject: Re: [RFC] blk-mq and I/O scheduling

On Tue, Nov 24, 2015 at 09:19:32AM +0100, Christoph Hellwig wrote:
> Hi Andreas,

Hi Christoph,

> I don't understand the time slicing algorithm to well, but from the
> blk-mq integration perspective this looks nice, and anything that
> helps improving blk-mq for spinning rust is useful.

I'll put description/comments in the next patch version that hopefully
explain it.

> As a nitpick some of the larger "if (use_time_slice)" blocks should
> be moved into separate helper functions‥

And I'll address this also.


Thanks,

Andreas
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