Messages in this thread | | | From | "Petr Vandrovec" <> | Date | Mon, 15 Apr 2002 19:41:57 +0100 | Subject | Re: [PATCH] IDE TCQ #4 |
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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...). Best regards, Petr Vandrovec vandrove@vc.cvut.cz
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