Re: ATA TCQ problems in 2.5.59

From: Jens Axboe (axboe@suse.de)
Date: Mon Jan 27 2003 - 09:03:30 EST

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On Mon, Jan 27 2003, Roy Sigurd Karlsbakk wrote:
> > > but it's a flag, not a count. use CONFIG_BLK_DEV_IDE_TCQ_DEPTH
> > > if you want something other than the default depth of 1.
> >
> > It's a flag, correct. The default depth is 32 though, not 1. And with
> > newer hdparms you can use -Q to set/query the tag depth of the drive. Be
> > careful with that though, it's not too well tested. IDE TCQ in 2.5 needs
> > a bit of work, I hope to do so soonish...
>
> but shouldn't the 'echo using_tcq:32' be equivilent of hdparm -Q?

Yes, doesn't that work?

-- Jens Axboe

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