From: Martin Dalecki <dalecki@evision-ventures.com>
To: Petr Vandrovec <VANDROVE@vc.cvut.cz>
Cc: Jens Axboe <axboe@suse.de>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] IDE TCQ #4
Date: Tue, 16 Apr 2002 07:11:12 +0200 [thread overview]
Message-ID: <3CBBB270.2090006@evision-ventures.com> (raw)
In-Reply-To: <274A9BD5C76@vcnet.vc.cvut.cz>
Petr Vandrovec wrote:
> On 15 Apr 02 at 18:44, Jens Axboe wrote:
>
>
>>>You can run a IDENTIFY_DEVICE from user space with the task ioctls and
>>>look at word 83 -- bit 1 and 14 must be set for TCQ to be supported. If
>>>you give me the model identifier from the IBM drive, I can tell you if
>>>it has tcq or not...
>>>
>>>I'll write a small util to detect this tomorrow and send it to you + the
>>>list.
>>
>>Duh, you can of course just look at /proc/ide/ideX/hdY/identify and
>>parse that. The info above is still valid for that, of course :-)
>
>
> If I parsed file correctly (it is 83 decimal word, yes?), WD's
> WDC WD1200JB-00CRA0 supports TCQ too. I'm still deciding which of
> TCQ #X and IDE #YY patches should be aplied to 2.5.8 to get optimal
> results (and I have to disconnect slaves...).
IDE 35 ist the latest from Jens with a fix for a wrong memset.
So you should go for IDE 34, 35, since they apply on top of each other.
next prev parent reply other threads:[~2002-04-16 6:13 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-15 18:41 [PATCH] IDE TCQ #4 Petr Vandrovec
2002-04-15 18:26 ` Jens Axboe
2002-04-16 5:11 ` Martin Dalecki [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-04-18 22:05 Andries.Brouwer
2002-04-15 19:29 Petr Vandrovec
2002-04-15 19:00 ` Jens Axboe
2002-04-15 19:28 Petr Vandrovec
2002-04-16 10:25 ` Jens Axboe
2002-04-16 11:01 ` Martin Dalecki
2002-04-16 12:28 ` Jens Axboe
2002-04-16 11:44 ` Martin Dalecki
2002-04-15 19:11 Petr Vandrovec
2002-04-15 12:56 Jens Axboe
2002-04-15 12:24 ` Martin Dalecki
2002-04-15 13:33 ` Jens Axboe
2002-04-15 12:39 ` Martin Dalecki
2002-04-15 16:13 ` Aaron Tiensivu
2002-04-15 16:18 ` Jens Axboe
2002-04-15 16:44 ` Jens Axboe
2002-04-16 10:25 ` Jens Axboe
[not found] ` <20020416200051.7ae38411.sebastian.droege@gmx.de>
[not found] ` <20020416180914.GR1097@suse.de>
2002-04-16 18:43 ` Sebastian Droege
2002-04-17 7:48 ` Martin Dalecki
2002-04-17 11:28 ` Sebastian Droege
2002-04-17 10:32 ` Martin Dalecki
2002-04-17 11:40 ` Sebastian Droege
2002-04-17 10:42 ` Martin Dalecki
2002-04-18 12:17 ` Sebastian Droege
2002-04-18 11:20 ` Martin Dalecki
2002-04-18 12:26 ` Sebastian Droege
2002-04-18 12:57 ` Jens Axboe
2002-04-18 12:57 ` Jens Axboe
2002-04-18 11:59 ` Martin Dalecki
2002-04-18 13:07 ` Jens Axboe
2002-04-18 12:08 ` Martin Dalecki
2002-04-18 13:12 ` Jens Axboe
2002-04-18 12:16 ` Martin Dalecki
2002-04-18 13:26 ` Jens Axboe
2002-04-18 12:40 ` Martin Dalecki
2002-04-18 12:45 ` Martin Dalecki
2002-04-18 14:17 ` Alan Cox
2002-04-18 13:01 ` Jens Axboe
2002-04-17 7:32 ` Helge Hafting
2002-04-17 13:01 ` Dave Jones
2002-04-17 13:05 ` Jens Axboe
2002-04-30 19:58 ` Martin Schewe
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