From: Jens Axboe <jens.axboe@oracle.com>
To: Aaron Carroll <aaronc@gelato.unsw.edu.au>
Cc: linux-kernel@vger.kernel.org, Peter Chubb <peterc@gelato.unsw.edu.au>
Subject: Re: [PATCH 0/3] Deadline iosched: Fix batching algorithm
Date: Tue, 30 Oct 2007 10:40:40 +0100 [thread overview]
Message-ID: <20071030094040.GK4993@kernel.dk> (raw)
In-Reply-To: <4726AD03.2080908@gelato.unsw.edu.au>
On Tue, Oct 30 2007, Aaron Carroll wrote:
> Hi Jens,
>
> The following patches correct some issues with the deadline I/O
> scheduler and its batching algorithm.
>
> Patch 1 is a simple function factorisation.
> Patch 2 fixes a missing batch count reset, making the behaviour
> closer to that implied by the documentation.
1+2 are no brainers, applied.
> Patch 3 changes batch start points to resolve a disparity in
> latency and bandwidth between high- and low-sector requests.
This one makes a lot of sense, applied as well.
Thanks!
--
Jens Axboe
prev parent reply other threads:[~2007-10-30 9:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-30 4:03 [PATCH 0/3] Deadline iosched: Fix batching algorithm Aaron Carroll
2007-10-30 4:05 ` [PATCH 1/3] Deadline iosched: Factor out finding latter request Aaron Carroll
2007-10-30 4:05 ` [PATCH 2/3] Deadline iosched: Reset batch for ordered requests Aaron Carroll
2007-10-30 4:06 ` [PATCH 3/3] Deadline iosched: Fix batching fairness Aaron Carroll
2007-10-30 9:40 ` Jens Axboe [this message]
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