From: Jeff Garzik <jgarzik@pobox.com>
To: Matthias Andree <matthias.andree@gmx.de>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ide write barrier support
Date: Mon, 13 Oct 2003 20:16:08 -0400 [thread overview]
Message-ID: <3F8B4048.2010007@pobox.com> (raw)
In-Reply-To: <20031013223911.GB14152@merlin.emma.line.org>
Matthias Andree wrote:
> On Mon, 13 Oct 2003, Jens Axboe wrote:
>
>
>>Forward ported and tested today (with the dummy ext3 patch included),
>>works for me. Some todo's left, but I thought I'd send it out to gauge
>>interest. TODO:
>>
>>- Detect write cache setting and only issue SYNC_CACHE if write cache is
>> enabled (not a biggy, all drives ship with it enabled)
>
>
> Yup, and I disable it on all drives at boot time at the latest.
>
> Is there a status document that lists
>
> - what SCSI drivers support write barriers
> (I'm interested in sym53c8xx_2 if that matters)
>
> - what IDE drivers support write barriers
> (VIA for AMD and Intel for PII/PIII/P4 chip sets here)
The device is the entity that does, or does not, support flush-cache...
All IDE chipsets support flush-cache... it's just another IDE command.
Jeff
next prev parent reply other threads:[~2003-10-14 0:16 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-13 14:08 [PATCH] ide write barrier support Jens Axboe
2003-10-13 15:23 ` Jeff Garzik
2003-10-13 15:35 ` Jens Axboe
2003-10-13 15:37 ` Jens Axboe
2003-10-13 22:39 ` Matthias Andree
2003-10-14 0:16 ` Jeff Garzik [this message]
2003-10-16 10:36 ` Jens Axboe
2003-10-16 10:46 ` Jeff Garzik
2003-10-16 10:48 ` Jens Axboe
2003-10-13 23:07 ` Andrew Morton
2003-10-14 6:48 ` Jens Axboe
2003-10-15 3:40 ` Greg Stark
2003-10-16 7:10 ` Jens Axboe
2003-10-20 17:10 ` Daniel Phillips
2003-10-20 19:56 ` Jens Axboe
2003-10-20 23:46 ` Daniel Phillips
2003-10-21 5:40 ` Jens Axboe
2003-10-23 16:22 ` Daniel Phillips
2003-10-23 16:23 ` Jens Axboe
2003-10-23 17:20 ` Daniel Phillips
2003-10-23 23:21 ` Nick Piggin
2003-10-26 21:06 ` Daniel Phillips
2003-10-27 10:29 ` Lars Marowsky-Bree
2003-10-27 21:35 ` Daniel Phillips
2003-10-24 9:36 ` Helge Hafting
2003-10-26 15:38 ` Daniel Phillips
-- strict thread matches above, loose matches on Subject: below --
2003-10-16 16:51 Mudama, Eric
2003-10-16 20:43 ` Greg Stark
2003-10-17 6:44 ` Jens Axboe
2003-10-17 6:46 ` Jens Axboe
2003-10-16 20:51 Mudama, Eric
2003-10-17 6:48 ` Jens Axboe
2003-10-17 16:07 Mudama, Eric
2003-10-17 18:08 ` Jens Axboe
2003-10-17 17:59 Manfred Spraul
2003-10-17 18:06 ` Jens Axboe
2003-10-21 0:47 ` Matthias Andree
2003-10-17 18:42 Mudama, Eric
[not found] <IXzh.61g.5@gated-at.bofh.it>
2003-10-21 19:24 ` Anton Ertl
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