From: Pavel Machek <pavel@suse.cz>
To: Jens Axboe <axboe@suse.de>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][RFT] simple deadline I/O scheduler
Date: Sat, 5 Jan 2002 13:38:01 +0000 [thread overview]
Message-ID: <20020105133800.A37@toy.ucw.cz> (raw)
In-Reply-To: <20020104094334.N8673@suse.de>
In-Reply-To: <20020104094334.N8673@suse.de>; from axboe@suse.de on Fri, Jan 04, 2002 at 09:43:34AM +0100
Hi!
> I've played around with implementing an I/O scheduler that _tries_ to
> start request within a given time limit. Note that it makes no
> guarentees of any sort, it's simply a "how does this work in real life"
> sort of thing. It's main use is actually to properly extend the i/o
> scheduler / elevator api to be able to implement more advanced
> schedulers (eg cello).
Would it be possible to introduce concept of I/O priority? I.e. I want
updatedb not to load disk if I need it for something else?
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
next prev parent reply other threads:[~2002-01-07 19:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-04 8:43 Jens Axboe
2002-01-04 9:21 ` Jens Axboe
2002-01-04 10:51 ` Jens Axboe
2002-01-05 13:38 ` Pavel Machek [this message]
2002-01-07 19:31 ` Mark Hahn
2002-01-07 19:57 ` Rik van Riel
2002-01-08 6:43 ` Jens Axboe
2002-03-13 13:33 ` Daniel Phillips
2002-03-14 7:32 ` Jens Axboe
2002-03-14 15:51 ` Daniel Phillips
2002-03-15 10:57 ` Jens Axboe
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