From: FabF <Fabian.Frederick@skynet.be>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2.6.6-rc3] as-io isolation ?
Date: Thu, 29 Apr 2004 17:38:37 +0200 [thread overview]
Message-ID: <1083253117.4624.3.camel@bluerhyme.real3> (raw)
In-Reply-To: <40904EAA.6010501@yahoo.com.au>
On Thu, 2004-04-29 at 02:39, Nick Piggin wrote:
> FabF wrote:
> > Hi,
> >
> > Here's a patch _idea_ to isolate anticipatory I/O from normal I/O
> > scheduler process by adding a specific put io context method so that
> > ll_rw_blk stuff could be as-iosched transparent.I guess we could point
> > as iosched exit instead of exit_io_context as well ...
>
> Hi,
> This makes ll_rw_blk.c aware of an AS specific function though.
> as-iosched.c is actually a CONFIG option under CONFIG_EMBEDDED.
> What is the actual problem?
AFAICS cfq and other elevators don't interact with ll_rw stuff (?)
but we could release something like the asio later so I was thinking
about somekind of abstraction within ll_rw.This abstraction would
require the patch ad hoc as well as a specific exit point.
FabF
> Nick
>
next prev parent reply other threads:[~2004-04-29 15:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-28 20:24 FabF
2004-04-29 0:39 ` Nick Piggin
2004-04-29 15:38 ` FabF [this message]
2004-04-30 12:18 ` Jens Axboe
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