Messages in this thread | | | Date | Tue, 16 Apr 2002 07:11:12 +0200 | From | Martin Dalecki <> | Subject | Re: [PATCH] IDE TCQ #4 |
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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.
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