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From: Jens Axboe <axboe@suse.de>
To: Bernardo Innocenti <bernie@develer.com>
Cc: Andrew Morton <akpm@osdl.org>,
	hch@infradead.org, willy@w.ods.org, hch@lst.de,
	uclinux-dev@uclinux.org, linux-kernel@vger.kernel.org,
	alan@lxorguk.ukuu.org.uk
Subject: Re: [PATCH] Make I/O schedulers optional (Was: Re: Kernel 2.6 size increase)
Date: Sun, 27 Jul 2003 01:41:18 +0200	[thread overview]
Message-ID: <20030726234118.GB1170@suse.de> (raw)
In-Reply-To: <200307270142.47602.bernie@develer.com>

On Sun, Jul 27 2003, Bernardo Innocenti wrote:
> On Saturday 26 July 2003 16:07, Jens Axboe wrote:
> 
> > >  /*
> > >   *  linux/drivers/block/as-iosched.c
> > >   *
> > > - *  Anticipatory & deadline i/o scheduler.
> > > + *  Anticipatory i/o scheduler.
> > >   *
> > >   *  Copyright (C) 2002 Jens Axboe <axboe@suse.de>
> > >   *                     Nick Piggin <piggin@cyberone.com.au>
> >
> > Huh? What is that about? AS is deadline + anticipation. Good rule is not
> > to make comment changes when you don't know your changes to be a fact.
> 
> Oops, I thought it was done by mistake :-)
> 
> By the way, this comment in as-iosched.c refers to a missing file:
> 
>  /*
>   * See Documentation/as-iosched.txt
>   */

Hmm odd, maybe it never got migrated from Andrews tree.

> Another issue: to make the I/O schedulers configurable, I had to
> fiddle with ll_rw_blk.c, makiing it slightly harder to understand.

Don't worry, the current addon of additional schedulers is crap already,
so your patch has to deal with that. The real modular schedulers will
change this, removing the nasty bits that are there know. It doesn't
even belong in ll_rw_blk.c

> > About making it selectable, I'm fine with it. Please send an updated
> > patch.
> 
> Here it is:

Thanks

-- 
Jens Axboe


  reply	other threads:[~2003-07-26 23:42 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-23 18:46 Kernel 2.6 size increase Bernardo Innocenti
2003-07-23 19:14 ` Richard B. Johnson
2003-07-23 20:07   ` David S. Miller
2003-07-23 21:47     ` Randy.Dunlap
2003-07-23 19:32 ` [uClinux-dev] " Christoph Hellwig
2003-07-23 20:11   ` David S. Miller
2003-07-23 20:15     ` Christoph Hellwig
2003-07-23 20:22       ` David S. Miller
2003-07-23 20:27         ` Christoph Hellwig
2003-07-23 22:35           ` [uClinux-dev] Kernel 2.6 size increase - get_current()? Bernardo Innocenti
2003-07-23 22:37             ` Alan Cox
2003-07-23 23:00               ` Bernardo Innocenti
2003-07-24  5:06                 ` David McCullough
2003-07-24 11:28                   ` Alan Cox
2003-07-24 12:04                     ` David McCullough
2003-07-24 14:48                       ` Alan Cox
2003-07-25 18:25                       ` bill davidsen
2003-07-24 15:30                     ` Hollis Blanchard
2003-07-24 19:37                       ` Alan Cox
2003-07-24 19:51                         ` Hollis Blanchard
2003-07-24 21:20                           ` J.A. Magallon
2003-07-25  4:22                             ` Otto Solares
2003-07-25 14:38                               ` Hollis Blanchard
2003-07-28  3:19                                 ` Miles Bader
2003-07-28  8:14                                   ` Ihar "Philips" Filipau
2003-07-28  8:58                                     ` Miles Bader
2003-07-28  9:03                                       ` Ihar "Philips" Filipau
2003-07-23 21:57   ` [uClinux-dev] Kernel 2.6 size increase Bernardo Innocenti
2003-07-23 22:07     ` Bernardo Innocenti
2003-07-23 22:27       ` Willy Tarreau
2003-07-23 22:34         ` Alan Cox
2003-07-24 20:27         ` Bernardo Innocenti
2003-07-25 15:46           ` Christoph Hellwig
2003-07-25 23:55             ` [PATCH] Make I/O schedulers optional (Was: Re: Kernel 2.6 size increase) Bernardo Innocenti
2003-07-26  8:17               ` Andrew Morton
2003-07-26 12:40                 ` Bernardo Innocenti
2003-07-26 14:07                   ` Jens Axboe
2003-07-26 23:42                     ` Bernardo Innocenti
2003-07-26 23:41                       ` Jens Axboe [this message]
2003-07-28 17:13             ` [uClinux-dev] Kernel 2.6 size increase Nicolas Pitre
2003-07-28 23:02               ` Bernardo Innocenti
2003-07-29  2:36                 ` Miles Bader
2003-08-08 13:25                 ` [uClinux-dev] " David Woodhouse
2003-08-08 14:37                   ` Bernardo Innocenti
2003-08-08 14:43                     ` David Woodhouse
2003-07-25 18:16           ` bill davidsen
2003-07-29 22:29           ` Tom Rini
2003-07-29 22:48             ` Alan Cox
2003-07-29 23:06               ` Tom Rini
2003-07-30  2:07                 ` Miles Bader
2003-07-30 15:33                   ` Tom Rini
2003-07-31  1:49                     ` Miles Bader
2003-07-31  4:17                       ` Tom Rini
2003-07-31  5:03                         ` Miles Bader
2003-07-31 15:24                           ` Tom Rini
2003-07-30  2:49             ` [uClinux-dev] " Bernardo Innocenti
2003-07-30 15:35               ` Tom Rini
2003-07-30 16:45                 ` [uClinux-dev] Kernel 2.6 size increase (PATCH) Bernardo Innocenti

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