From: Mike Fedyk <mfedyk@matchmail.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [POT] Which journalised filesystem ?
Date: Thu, 4 Oct 2001 18:05:03 -0700 [thread overview]
Message-ID: <20011004180503.A576@mikef-linux.matchmail.com> (raw)
In-Reply-To: <Pine.LNX.4.10.10110031648250.20425-100000@coffee.psychology.mcmaster.ca> <E15pHJT-00041q-00@calista.inka.de> <9pir9h$ief$1@penguin.transmeta.com>
In-Reply-To: <9pir9h$ief$1@penguin.transmeta.com>
On Thu, Oct 04, 2001 at 11:27:45PM +0000, Linus Torvalds wrote:
> We (as in Linux) should make sure that we explicitly tell the disk when
> we need it to flush its disk buffers. We don't do that right, and
> because of _our_ problems some people claim that writeback caching is
> evil and bad.
>
Actually, their claim is that most drives won't even *honor* the request to
sync to oxide.
Once the number of drives that support this goes up, then write cache is
safe to use...
Personally, I have a script that enables write cache, and sets the drive to
its highest dma level on boot...
Mike
next prev parent reply other threads:[~2001-10-05 1:04 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-03 12:00 [POT] Which journalised filesystem uses Linus Torvalds ? sebastien.cabaniols
2001-10-03 12:39 ` [POT] Which journalised filesystem ? Rik van Riel
2001-10-03 12:54 ` Dave Jones
2001-10-03 13:00 ` Billy Harvey
2001-10-04 22:14 ` Alan Cox
2001-10-04 22:14 ` Dave Jones
2001-10-04 22:24 ` Alan Cox
2001-10-03 13:01 ` Ragnar Kjørstad
2001-10-03 13:24 ` Dave Jones
2001-10-03 17:51 ` Andrew Morton
2001-10-03 15:34 ` André Dahlqvist
2001-10-04 21:25 ` Alan Cox
2001-10-04 21:53 ` Alessandro Suardi
2001-10-03 17:03 ` Matthias Andree
2001-10-03 17:40 ` Sujal Shah
2001-10-03 19:13 ` Erik Mouw
2001-10-03 20:52 ` Mark Hahn
2001-10-04 22:49 ` Bernd Eckenfels
2001-10-04 23:27 ` Linus Torvalds
2001-10-04 23:55 ` Rik van Riel
2001-10-05 14:57 ` Alan Cox
2001-10-05 15:25 ` Eric W. Biederman
2001-10-05 20:25 ` Bernd Eckenfels
2001-10-05 23:41 ` Miquel van Smoorenburg
2001-10-06 8:32 ` Tonu Samuel
2001-10-06 9:16 ` Miquel van Smoorenburg
2001-10-06 16:42 ` Bernd Eckenfels
2001-10-05 22:05 ` Pavel Machek
2001-10-07 0:51 ` Eric W. Biederman
2001-10-10 17:29 ` Stephen C. Tweedie
2001-10-05 1:05 ` Mike Fedyk [this message]
2001-10-03 17:41 ` Xavier Bestel
2001-10-03 17:53 ` Matthias Andree
2001-10-03 17:36 ` Stephen C. Tweedie
2001-10-03 17:41 ` Dave Jones
2001-10-04 21:09 ` Alan Cox
2001-10-05 10:27 ` Stephen C. Tweedie
2001-10-03 14:33 ` [POT] Which journalised filesystem uses Linus Torvalds ? Dave Cinege
2001-10-03 14:48 ` Sean Hunter
2001-10-03 16:54 ` Fabbione
2001-10-03 17:52 ` Bernd Eckenfels
2001-10-03 18:01 ` Luigi Genoni
2001-10-04 5:42 ` Andrew Ip
2001-10-04 7:32 ` Constantin Loizides
2001-10-04 16:30 ` Nathan Straz
2001-10-04 17:21 ` Hristo Grigorov
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